水電站設計論文范文

時間(jian):2023-04-08 23:23:53

導語:如何(he)才能寫好一篇水電(dian)站(zhan)設(she)計論文(wen),這(zhe)就需(xu)要(yao)搜(sou)集整(zheng)理更多(duo)的(de)(de)資料和文(wen)獻(xian),歡迎閱(yue)讀由(you)公務員(yuan)之家整(zheng)理的(de)(de)十篇范文(wen),供你借鑒。

水電站設計論文

篇1

1.1引水發電系統

1.1.1取水口攔污柵及啟(qi)閉設備

1)優化選型布置設計。發電引(yin)水隧洞喇叭口底檻678.50mm處(chu)設置(zhi)1孔(kong)攔(lan)(lan)污柵(zha)(zha),單孔(kong)孔(kong)口尺寸為(wei)7.5m×10.0m,檢修平(ping)臺高(gao)程(cheng)717.00m,設計水頭4.0m,最大(da)引(yin)用流(liu)量為(wei)42.58m3/s,平(ping)均過(guo)柵(zha)(zha)流(liu)速為(wei)0.811m/s,攔(lan)(lan)污柵(zha)(zha)重量為(wei)26.0t,柵(zha)(zha)槽(cao)埋件重17.0t,型(xing)(xing)式為(wei)平(ping)面(mian)滑動式攔(lan)(lan)污柵(zha)(zha)。選用1臺QPG2×250kN-38m高(gao)揚程(cheng)卷揚式啟(qi)(qi)閉機(ji),安裝高(gao)程(cheng)726.20m,操作運行條件為(wei)靜水啟(qi)(qi)閉。2)蓄(xu)水安全復核(he)計算。攔(lan)(lan)污柵(zha)(zha)主(zhu)支承是增強四(si)氟NL150CHI型(xing)(xing)滑塊,最大(da)線(xian)荷載為(wei)25kN/cm,反向支承是鋼(gang)滑塊。柵(zha)(zha)條間距(ju)50mm,柵(zha)(zha)體主(zhu)材為(wei)Q235B,內力(li)分(fen)析計算[2]成果(guo)為(wei):主(zhu)梁(liang)最大(da)壓應(ying)力(li)為(wei)105.35N/mm2,發生在跨中處(chu);最大(da)剪力(li)為(wei)21.01N/mm2,發生在支座處(chu);最大(da)撓度為(wei)9.5mm,發生在跨中處(chu);柵(zha)(zha)條彎(wan)應(ying)力(li)為(wei)53.1N/mm2,發生在跨中處(chu)。攔(lan)(lan)污柵(zha)(zha)重量為(wei)247kN,提柵(zha)(zha)清污時考慮污物重量為(wei)100kN,攔(lan)(lan)污柵(zha)(zha)啟(qi)(qi)閉力(li)為(wei)450.1kN,啟(qi)(qi)閉機(ji)容量為(wei)2×250kN。

1.1.2取水口事故閘門及啟閉設備

1)優化選型布置(zhi)(zhi)設(she)(she)計。在(zai)(zai)攔污柵(zha)的(de)(de)下游設(she)(she)置(zhi)(zhi)1扇事故閘(zha)門(men)(men),孔口(kou)尺寸(cun)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)4.5m×4.8m,底檻高程(cheng)680.00m,檢修平臺高程(cheng)717.00m,設(she)(she)計水(shui)(shui)(shui)(shui)頭(tou)37.0m,閘(zha)門(men)(men)型式(shi)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)平面定(ding)輪(lun)(lun)鋼閘(zha)門(men)(men)。選用1臺安(an)裝高程(cheng)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)726.20m上的(de)(de)QPG2×800kN-38m高揚(yang)程(cheng)卷(juan)揚(yang)機控制閘(zha)門(men)(men),操(cao)作(zuo)運行條件(jian)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)動(dong)(dong)閉靜(jing)(jing)啟(qi)。2)蓄水(shui)(shui)(shui)(shui)安(an)全復核計算(suan)(suan)。閘(zha)門(men)(men)由門(men)(men)葉結(jie)構、水(shui)(shui)(shui)(shui)封裝置(zhi)(zhi)、4個(ge)簡支(zhi)輪(lun)(lun)主(zhu)支(zhi)承(cheng)(同時兼做反向支(zhi)承(cheng))、4個(ge)側(ce)向限位(wei)裝置(zhi)(zhi)和充水(shui)(shui)(shui)(shui)閥裝置(zhi)(zhi)等組(zu)成。受(shou)力(li)計算(suan)(suan)采(cai)用假設(she)(she)平面體系,按照實際可(ke)能(neng)發(fa)生(sheng)的(de)(de)最(zui)不利荷載組(zu)合情(qing)況,進行強度(du)(du)、剛度(du)(du)和穩定(ding)性驗(yan)算(suan)(suan)。閘(zha)門(men)(men)在(zai)(zai)設(she)(she)計水(shui)(shui)(shui)(shui)頭(tou)下動(dong)(dong)水(shui)(shui)(shui)(shui)操(cao)作(zuo)會受(shou)到不同程(cheng)度(du)(du)的(de)(de)動(dong)(dong)力(li)荷載,動(dong)(dong)力(li)系數取1.1。門(men)(men)體材料(liao)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)Q235B,內力(li)分析計算(suan)(suan)結(jie)果為(wei)(wei)(wei)(wei)(wei)(wei)(wei):閘(zha)門(men)(men)承(cheng)受(shou)的(de)(de)靜(jing)(jing)水(shui)(shui)(shui)(shui)壓(ya)(ya)力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)7713.7kN,動(dong)(dong)水(shui)(shui)(shui)(shui)壓(ya)(ya)力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)8485.1kN;面板(ban)折算(suan)(suan)應力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)157.03N/mm2;主(zhu)梁(liang)最(zui)大壓(ya)(ya)應力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)128.1N/mm2,位(wei)于(yu)(yu)跨中處。最(zui)大剪力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)49.2,位(wei)于(yu)(yu)支(zhi)座處。最(zui)大撓度(du)(du)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)2.71mm,位(wei)于(yu)(yu)跨中處;主(zhu)輪(lun)(lun)與(yu)軌道(dao)的(de)(de)接觸(chu)應力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)844.06N/mm2;主(zhu)軌頸部局部承(cheng)壓(ya)(ya)應力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)173.36N/mm2;閘(zha)門(men)(men)閉門(men)(men)力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)-659.1kN,啟(qi)門(men)(men)力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)479.6kN,持住力(li)為(wei)(wei)(wei)(wei)(wei)(wei)(wei)1394.4kN;啟(qi)閉機容量為(wei)(wei)(wei)(wei)(wei)(wei)(wei)2×800kN。

1.2泄水(shui)系統閘(zha)門及啟(qi)閉設備(bei)

1.2.1溢洪道弧形工作閘門(men)

1)優化(hua)選型(xing)布(bu)置(zhi)(zhi)設(she)(she)(she)計(ji)(ji)(ji)(ji)。該(gai)閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)設(she)(she)(she)置(zhi)(zhi)在(zai)溢洪道上,底檻(jian)設(she)(she)(she)置(zhi)(zhi)在(zai)堰(yan)(yan)頂(ding)(ding)下(xia)游(you)側704.80m處(chu)(chu),堰(yan)(yan)頂(ding)(ding)高(gao)(gao)程(cheng)為(wei)(wei)(wei)717.00m,共設(she)(she)(she)置(zhi)(zhi)3孔閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men),啟(qi)(qi)(qi)閉機(ji)安(an)裝高(gao)(gao)程(cheng)為(wei)(wei)(wei)719.50m。閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)運(yun)行(xing)方式(shi)為(wei)(wei)(wei)動(dong)(dong)水(shui)啟(qi)(qi)(qi)閉,主(zhu)要承(cheng)(cheng)(cheng)擔(dan)水(shui)庫的(de)泄(xie)洪任務(wu)。閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)的(de)孔口尺寸為(wei)(wei)(wei)12.0m×8.5m(寬×高(gao)(gao)),設(she)(she)(she)計(ji)(ji)(ji)(ji)水(shui)頭為(wei)(wei)(wei)8.2m。型(xing)式(shi)為(wei)(wei)(wei)露頂(ding)(ding)式(shi)弧形(xing)閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men),其(qi)面板曲率半徑為(wei)(wei)(wei)10.0m,支(zhi)(zhi)鉸(jiao)高(gao)(gao)度(du)(du)為(wei)(wei)(wei)5.5m,其(qi)結構布(bu)置(zhi)(zhi)見圖1。2)蓄(xu)水(shui)安(an)全復核計(ji)(ji)(ji)(ji)算(suan)。閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)由門(men)(men)(men)(men)葉(xie)結構(焊接件(jian)(jian))、水(shui)封裝置(zhi)(zhi)、支(zhi)(zhi)臂(bei)(bei)(bei)、支(zhi)(zhi)鉸(jiao)和側輪等所組成,支(zhi)(zhi)承(cheng)(cheng)(cheng)為(wei)(wei)(wei)斜支(zhi)(zhi)臂(bei)(bei)(bei)。受力(li)(li)(li)(li)計(ji)(ji)(ji)(ji)算(suan)采(cai)用假設(she)(she)(she)平面體(ti)系(xi),并按照實(shi)際可能發生的(de)最(zui)不利荷(he)載(zai)組合(he)情(qing)況,對(dui)閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)的(de)設(she)(she)(she)計(ji)(ji)(ji)(ji)條(tiao)件(jian)(jian)和校核條(tiao)件(jian)(jian)進行(xing)強(qiang)度(du)(du)、剛度(du)(du)和穩定(ding)性驗(yan)算(suan)。閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)在(zai)動(dong)(dong)水(shui)操作條(tiao)件(jian)(jian)下(xia)各部件(jian)(jian)尚需承(cheng)(cheng)(cheng)受的(de)不同程(cheng)度(du)(du)的(de)動(dong)(dong)力(li)(li)(li)(li)荷(he)載(zai),故將設(she)(she)(she)計(ji)(ji)(ji)(ji)水(shui)頭作用在(zai)閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)部件(jian)(jian)上的(de)靜水(shui)壓(ya)力(li)(li)(li)(li)乘以動(dong)(dong)力(li)(li)(li)(li)系(xi)數,考(kao)慮(lv)為(wei)(wei)(wei)最(zui)不利的(de)荷(he)載(zai)組合(he),動(dong)(dong)力(li)(li)(li)(li)系(xi)數取1.1。門(men)(men)(men)(men)體(ti)材料為(wei)(wei)(wei)Q235B,內(nei)力(li)(li)(li)(li)分(fen)析(xi)計(ji)(ji)(ji)(ji)算(suan)結果表明:閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)承(cheng)(cheng)(cheng)受的(de)靜水(shui)壓(ya)力(li)(li)(li)(li)為(wei)(wei)(wei)4218.0kN,動(dong)(dong)水(shui)壓(ya)力(li)(li)(li)(li)為(wei)(wei)(wei)4639.8kN;面板折(zhe)算(suan)應(ying)(ying)力(li)(li)(li)(li)為(wei)(wei)(wei)181.8N/mm2;主(zhu)梁最(zui)大(da)壓(ya)應(ying)(ying)力(li)(li)(li)(li)為(wei)(wei)(wei)106.3N/mm2,位于(yu)(yu)跨中處(chu)(chu)。最(zui)大(da)剪力(li)(li)(li)(li)為(wei)(wei)(wei)69.2,位于(yu)(yu)支(zhi)(zhi)座(zuo)處(chu)(chu)。最(zui)大(da)撓度(du)(du)為(wei)(wei)(wei)4.36mm,位于(yu)(yu)跨中處(chu)(chu);支(zhi)(zhi)臂(bei)(bei)(bei)平面內(nei)應(ying)(ying)力(li)(li)(li)(li)為(wei)(wei)(wei)76.2N/mm2;主(zhu)支(zhi)(zhi)臂(bei)(bei)(bei)平面外應(ying)(ying)力(li)(li)(li)(li)為(wei)(wei)(wei)66.3N/mm2;閘(zha)(zha)(zha)(zha)(zha)門(men)(men)(men)(men)啟(qi)(qi)(qi)門(men)(men)(men)(men)力(li)(li)(li)(li)為(wei)(wei)(wei)441.7kN,閉門(men)(men)(men)(men)力(li)(li)(li)(li)為(wei)(wei)(wei)246.3kN;啟(qi)(qi)(qi)閉機(ji)容量為(wei)(wei)(wei)2×250kN。

1.2.2放(fang)空(kong)底孔進口事(shi)故閘(zha)門

1)優(you)化(hua)選型布置設計(ji)(ji)。在(zai)放空底孔進(jin)(jin)口設置一道事(shi)故(gu)閘門(men),孔口尺(chi)寸為(wei)(wei)2.5m×2.6m(寬×高),設計(ji)(ji)水(shui)頭52.0m。底檻高程為(wei)(wei)665.00m,檢修平(ping)(ping)臺高程為(wei)(wei)717.00m,啟(qi)(qi)閉機(ji)安(an)(an)裝(zhuang)平(ping)(ping)臺高程為(wei)(wei)723.50m。閘門(men)運行方式(shi)為(wei)(wei)動(dong)(dong)(dong)(dong)閉靜啟(qi)(qi),由1套QPG800kN-53m高揚程卷揚機(ji)控(kong)制。當水(shui)庫(ku)需要放空時(shi)小開度(du)提門(men)充(chong)水(shui)平(ping)(ping)壓,待前后水(shui)壓差小于(yu)4m時(shi),再開啟(qi)(qi)事(shi)故(gu)閘門(men)。2)蓄水(shui)安(an)(an)全復核計(ji)(ji)算(suan)。閘門(men)由門(men)葉(xie)結(jie)構(焊(han)接件)、水(shui)封(feng)裝(zhuang)置、4個懸臂輪主支承(同(tong)時(shi)兼做反向支承)、4個側向限位裝(zhuang)置等所組成。受力(li)計(ji)(ji)算(suan)采用假設平(ping)(ping)面體系,按照(zhao)實際可能(neng)發生(sheng)的(de)最(zui)不利荷載組合情況(kuang),進(jin)(jin)行強(qiang)度(du)、剛度(du)和穩(wen)定性驗(yan)算(suan)。閘門(men)在(zai)設計(ji)(ji)水(shui)頭下動(dong)(dong)(dong)(dong)水(shui)操作會受到不同(tong)程度(du)的(de)動(dong)(dong)(dong)(dong)力(li)荷載,動(dong)(dong)(dong)(dong)力(li)系數取1.1。門(men)體主材為(wei)(wei)Q235B,內(nei)力(li)分析(xi)計(ji)(ji)算(suan)結(jie)果表(biao)明:閘門(men)承受的(de)靜水(shui)壓力(li)為(wei)(wei)3491.5kN,淤沙壓力(li)為(wei)(wei)619.6kN,總壓力(li)為(wei)(wei)4111.1kN;面板折算(suan)應力(li)為(wei)(wei)187.9N/mm2;主梁最(zui)大壓應力(li)為(wei)(wei)101.27N/mm2,位于(yu)跨中處(chu)。最(zui)大剪力(li)為(wei)(wei)65.4,位于(yu)支座處(chu)。最(zui)大撓度(du)為(wei)(wei)0.76mm,位于(yu)跨中處(chu);主輪與軌(gui)道的(de)接觸應力(li)為(wei)(wei)663.1N/mm2;閘門(men)啟(qi)(qi)門(men)力(li)為(wei)(wei)769.1kN,閉門(men)力(li)為(wei)(wei)-22.0kN,持住力(li)為(wei)(wei)206.3kN;啟(qi)(qi)閉機(ji)容量為(wei)(wei)800kN。

1.2.3放(fang)空底(di)孔出口(kou)弧形工作閘門

1)優(you)化選(xuan)型(xing)布置(zhi)設(she)計。在放(fang)空(kong)底孔(kong)出口設(she)置(zhi)一道(dao)弧(hu)(hu)形工(gong)作閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men),孔(kong)口尺寸為(wei)(wei)(wei)(wei)(wei)2.5m×2.2m(寬(kuan)×高(gao)(gao)),承(cheng)壓水頭為(wei)(wei)(wei)(wei)(wei)52.0m,型(xing)式(shi)為(wei)(wei)(wei)(wei)(wei)潛孔(kong)式(shi)弧(hu)(hu)形鋼(gang)閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men),底檻高(gao)(gao)程為(wei)(wei)(wei)(wei)(wei)665.00m,檢修平臺(tai)(tai)高(gao)(gao)程為(wei)(wei)(wei)(wei)(wei)668.70m,啟(qi)閉(bi)機安裝平臺(tai)(tai)高(gao)(gao)程為(wei)(wei)(wei)(wei)(wei)674.60m。閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)運行(xing)方式(shi)為(wei)(wei)(wei)(wei)(wei)動水啟(qi)閉(bi),選(xuan)用1套QH-SY-500/150kN-4.0m弧(hu)(hu)門(men)(men)(men)(men)(men)(men)潛孔(kong)液壓啟(qi)閉(bi)機控制閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men),閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)長期處于閉(bi)門(men)(men)(men)(men)(men)(men)擋水狀態。當水庫需要放(fang)空(kong)時,動水開啟(qi)該閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)鎖定于檢修平臺(tai)(tai)上,待放(fang)空(kong)完畢(bi),放(fang)下工(gong)作閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)封(feng)(feng)閉(bi)孔(kong)口蓄(xu)水。2)蓄(xu)水安全復核(he)計算(suan)。閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)由門(men)(men)(men)(men)(men)(men)葉結(jie)構(焊接件)、水封(feng)(feng)裝置(zhi)、2個支(zhi)鉸支(zhi)承(cheng)和4個側向限位(wei)(wei)裝置(zhi)等所組成。受力(li)(li)計算(suan)采用假設(she)平面(mian)體系(xi)(xi),按(an)照實(shi)際(ji)可能發生的(de)最(zui)不利荷載組合情況,進行(xing)強度、剛度和穩定性驗算(suan)。閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)在實(shi)際(ji)操(cao)作中會受到不同程度的(de)動力(li)(li)荷載,動力(li)(li)系(xi)(xi)數取1.1。門(men)(men)(men)(men)(men)(men)體主材為(wei)(wei)(wei)(wei)(wei)Q235B,內力(li)(li)分析計算(suan)結(jie)果為(wei)(wei)(wei)(wei)(wei):閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)承(cheng)受的(de)靜水壓力(li)(li)為(wei)(wei)(wei)(wei)(wei)3329.7kN,動水壓力(li)(li)為(wei)(wei)(wei)(wei)(wei)3662.7kN;面(mian)板折(zhe)算(suan)應力(li)(li)為(wei)(wei)(wei)(wei)(wei)183.9N/mm2;主梁最(zui)大(da)(da)(da)壓應力(li)(li)為(wei)(wei)(wei)(wei)(wei)33.2N/mm2,位(wei)(wei)于跨(kua)中處。最(zui)大(da)(da)(da)剪(jian)力(li)(li)為(wei)(wei)(wei)(wei)(wei)24.4,位(wei)(wei)于支(zhi)座(zuo)處。最(zui)大(da)(da)(da)撓度為(wei)(wei)(wei)(wei)(wei)0.12mm,位(wei)(wei)于跨(kua)中處;支(zhi)臂平面(mian)內應力(li)(li)為(wei)(wei)(wei)(wei)(wei)98.4N/mm2;閘(zha)(zha)(zha)門(men)(men)(men)(men)(men)(men)啟(qi)門(men)(men)(men)(men)(men)(men)力(li)(li)為(wei)(wei)(wei)(wei)(wei)248.8kN,閉(bi)門(men)(men)(men)(men)(men)(men)力(li)(li)為(wei)(wei)(wei)(wei)(wei)122.7kN;啟(qi)閉(bi)機容量(liang)為(wei)(wei)(wei)(wei)(wei)500/150kN。

1.2.4導流隧洞(dong)封堵閘(zha)門

1)優化選型(xing)布置設(she)計(ji)。導流隧(sui)洞進口設(she)置封(feng)(feng)堵工(gong)作(zuo)閘(zha)(zha)(zha)門(men)(men)(men)一(yi)扇,孔口尺(chi)寸為(wei)(wei)(wei)5.0m×6.5m(寬(kuan)×高),承壓(ya)(ya)水(shui)(shui)頭為(wei)(wei)(wei)44.3m,閉(bi)(bi)門(men)(men)(men)水(shui)(shui)頭:20m,型(xing)式(shi)為(wei)(wei)(wei)潛孔式(shi)平(ping)(ping)面鋼閘(zha)(zha)(zha)門(men)(men)(men),底檻高程(cheng)為(wei)(wei)(wei)647.70m,檢修平(ping)(ping)臺(tai)高程(cheng)為(wei)(wei)(wei)659.00m,啟(qi)閉(bi)(bi)機(ji)安(an)裝平(ping)(ping)臺(tai)高程(cheng)為(wei)(wei)(wei)667.50m。閘(zha)(zha)(zha)門(men)(men)(men)運(yun)行(xing)方式(shi)為(wei)(wei)(wei)動水(shui)(shui)啟(qi)閉(bi)(bi),選用1套QPQ630kN-13m卷揚式(shi)啟(qi)閉(bi)(bi)機(ji)控制(zhi)閘(zha)(zha)(zha)門(men)(men)(men),閘(zha)(zha)(zha)門(men)(men)(men)僅用于導流隧(sui)洞封(feng)(feng)堵時(shi)使用,導流隧(sui)洞在(zai)枯水(shui)(shui)季節封(feng)(feng)堵下閘(zha)(zha)(zha)門(men)(men)(men)。因受(shou)啟(qi)閉(bi)(bi)機(ji)平(ping)(ping)臺(tai)高程(cheng)的(de)限制(zhi)(啟(qi)閉(bi)(bi)機(ji)平(ping)(ping)臺(tai)高程(cheng)為(wei)(wei)(wei)667.50m),閉(bi)(bi)門(men)(men)(men)時(shi)最(zui)不(bu)利(li)水(shui)(shui)頭工(gong)況為(wei)(wei)(wei)啟(qi)閉(bi)(bi)高程(cheng),即水(shui)(shui)頭為(wei)(wei)(wei)20m,因此(ci)整個(ge)閘(zha)(zha)(zha)門(men)(men)(men)啟(qi)閉(bi)(bi)按最(zui)不(bu)利(li)的(de)情(qing)況下水(shui)(shui)頭20m計(ji)算(suan)。2)蓄水(shui)(shui)安(an)全復核計(ji)算(suan)。閘(zha)(zha)(zha)門(men)(men)(men)由門(men)(men)(men)葉結構(焊接件)、水(shui)(shui)封(feng)(feng)裝置、12個(ge)主(zhu)滑塊(kuai)(kuai)和8個(ge)反向滑塊(kuai)(kuai)裝置等所組成(cheng)。受(shou)力(li)計(ji)算(suan)采(cai)用假(jia)設(she)平(ping)(ping)面體系(xi),按照實際可能發生的(de)最(zui)不(bu)利(li)荷載組合情(qing)況,進行(xing)強度(du)(du)、剛度(du)(du)和穩定(ding)性驗算(suan)。門(men)(men)(men)體主(zhu)材為(wei)(wei)(wei)Q235B,內力(li)分析計(ji)算(suan)結果(guo)為(wei)(wei)(wei):閘(zha)(zha)(zha)門(men)(men)(men)承受(shou)的(de)靜水(shui)(shui)壓(ya)(ya)力(li)為(wei)(wei)(wei)13501.9kN,發生在(zai)設(she)計(ji)水(shui)(shui)頭44.3m處(chu);材料容許應(ying)(ying)力(li)(抗(kang)拉、抗(kang)壓(ya)(ya)和抗(kang)彎(wan))為(wei)(wei)(wei)142.5kN,容許應(ying)(ying)力(li)(抗(kang)剪(jian))為(wei)(wei)(wei)85.5kN;面板折(zhe)算(suan)應(ying)(ying)力(li)為(wei)(wei)(wei)138N/mm2;主(zhu)梁最(zui)大(da)(da)壓(ya)(ya)應(ying)(ying)力(li)為(wei)(wei)(wei)84.6N/mm2,位(wei)于跨(kua)中(zhong)(zhong)處(chu)。最(zui)大(da)(da)剪(jian)力(li)為(wei)(wei)(wei)71.92,位(wei)于支(zhi)座處(chu)。最(zui)大(da)(da)撓(nao)度(du)(du)為(wei)(wei)(wei)3.78mm,位(wei)于跨(kua)中(zhong)(zhong)處(chu);閘(zha)(zha)(zha)門(men)(men)(men)閉(bi)(bi)門(men)(men)(men)力(li)為(wei)(wei)(wei)145kN;水(shui)(shui)柱(zhu)壓(ya)(ya)力(li)為(wei)(wei)(wei)898.60kN;啟(qi)閉(bi)(bi)機(ji)容量為(wei)(wei)(wei)630kN。

2結語

篇2

甘(gan)(gan)溪三級水(shui)(shui)電(dian)(dian)站(zhan)位于(yu)浙江(jiang)省臨安市(shi)甘(gan)(gan)溪中游,是甘(gan)(gan)溪梯(ti)級開發(fa)(fa)的(de)第三級水(shui)(shui)電(dian)(dian)站(zhan),屬典型的(de)中水(shui)(shui)頭引(yin)水(shui)(shui)式(shi)電(dian)(dian)站(zhan)。工程(cheng)樞紐主(zhu)要由渠(qu)首樞紐、無壓(ya)輸水(shui)(shui)隧洞(dong)、前池、高壓(ya)管道、發(fa)(fa)電(dian)(dian)廠房和尾水(shui)(shui)渠(qu)組成。電(dian)(dian)站(zhan)裝(zhuang)機容量(liang)2×400kW,設計(ji)水(shui)(shui)頭34.6m,單機最大過流(liu)量(liang)1.5m3/s。多年平(ping)均發(fa)(fa)電(dian)(dian)量(liang)223萬kW·h,年利(li)用小(xiao)時數(shu)2788h。電(dian)(dian)站(zhan)出(chu)線T接(jie)至10kV甘(gan)(gan)溪線并網,輸電(dian)(dian)線路長度為500m。

甘(gan)(gan)溪(xi)是天目溪(xi)的一(yi)(yi)條支流(liu),上(shang)游建有甘(gan)(gan)溪(xi)一(yi)(yi)級(ji)(ji)水(shui)電(dian)站(zhan)和甘(gan)(gan)溪(xi)二(er)級(ji)(ji)水(shui)電(dian)站(zhan)。甘(gan)(gan)溪(xi)一(yi)(yi)級(ji)(ji)水(shui)電(dian)站(zhan)裝(zhuang)機容(rong)量(liang)(liang)2×160kW,壩(ba)址控制流(liu)域(yu)面(mian)積19.6km2,水(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)214萬m3。甘(gan)(gan)溪(xi)二(er)級(ji)(ji)水(shui)電(dian)站(zhan)裝(zhuang)機容(rong)量(liang)(liang)3×500kW,利用集雨面(mian)積33.5km2。甘(gan)(gan)溪(xi)流(liu)域(yu)內雨量(liang)(liang)充沛,多年(nian)平均降雨量(liang)(liang)1625mm。多年(nian)平均氣(qi)溫15.6℃,極(ji)端(duan)最高氣(qi)溫41.6℃,極(ji)端(duan)最低氣(qi)溫-13.2℃。

甘溪三級水電站渠首(shou)樞(shu)紐位于甘溪二級水電站尾(wei)水出口下游(you)20m處(chu),壩址(zhi)控制流(liu)(liu)(liu)域面(mian)積(ji)40.3km2,區間引水集(ji)雨面(mian)積(ji)2km2。多年平均(jun)流(liu)(liu)(liu)量1.18m3/s,年徑流(liu)(liu)(liu)量3721萬m3。壩址(zhi)設計(ji)洪(hong)水流(liu)(liu)(liu)量386m3/s(P=10%),校核(he)洪(hong)水流(liu)(liu)(liu)量522m3/s(P=3.33%)。工程區地質(zhi)條件簡單,出露基巖(yan)為奧陶系(xi)上統(tong)於(wu)潛組頁巖(yan)和砂巖(yan),河床處(chu)砂礫石覆蓋(gai)(gai)層(ceng)厚(hou)1~3m,山坡(po)處(chu)覆蓋(gai)(gai)層(ceng)厚(hou)0.5~2m,兩(liang)岸(an)臺地覆蓋(gai)(gai)層(ceng)較(jiao)厚(hou)。河道中水質(zhi)清澈,泥沙含量很少。

2方案選擇

2.1壩址選擇

甘(gan)(gan)溪三級(ji)(ji)水(shui)電站(zhan)是甘(gan)(gan)溪二(er)級(ji)(ji)水(shui)電站(zhan)的(de)下一個(ge)梯級(ji)(ji)電站(zhan),壩(ba)址選擇的(de)原(yuan)則為:1)滿足與(yu)上級(ji)(ji)電站(zhan)尾水(shui)位(wei)的(de)銜接;2)滿足進水(shui)閘(zha)和溢流堰的(de)布置(zhi)要(yao)求;3)不(bu)淹(yan)沒耕(geng)地和房屋;4)使渠首樞(shu)紐(niu)工程(cheng)造價最低(di)。根據地形(xing)地質條(tiao)件,壩(ba)址選定在甘(gan)(gan)溪二(er)級(ji)(ji)水(shui)電站(zhan)尾水(shui)出口下游20m處,該段河床寬約35m,壩(ba)型采用漿砌石(shi)溢流壩(ba)。

2.2廠址選擇

廠(chang)(chang)址(zhi)位于(yu)潘家村烏浪口,電站尾水排入支流烏浪溪中。設(she)計中對(dui)上廠(chang)(chang)址(zhi)方(fang)案和下(xia)廠(chang)(chang)址(zhi)方(fang)案進(jin)行(xing)比選,下(xia)廠(chang)(chang)址(zhi)方(fang)案與(yu)上廠(chang)(chang)址(zhi)方(fang)案相比,水頭增(zeng)加3.6m,電能增(zeng)加23萬(wan)kW·h,效(xiao)益(yi)增(zeng)加9萬(wan)元,投資增(zeng)加25.2萬(wan)元,差(cha)額(e)投資經濟內(nei)部收益(yi)率35.5%,故選用下(xia)廠(chang)(chang)址(zhi)方(fang)案。

2.3無壓輸(shu)水系統方案選(xuan)擇

無壓輸水系統有(you)隧洞(dong)(dong)方(fang)案(an)(an)(an)和明渠結(jie)合(he)(he)隧洞(dong)(dong)方(fang)案(an)(an)(an)兩種(zhong)布置形(xing)式,兩方(fang)案(an)(an)(an)的軸線長度基本相同。明渠結(jie)合(he)(he)隧洞(dong)(dong)方(fang)案(an)(an)(an)是進水閘后(hou)(hou)接長度為425m的漿砌石明渠,其(qi)后(hou)(hou)仍為隧洞(dong)(dong)。經過比較,隧洞(dong)(dong)方(fang)案(an)(an)(an)較明渠結(jie)合(he)(he)隧洞(dong)(dong)方(fang)案(an)(an)(an)減少投資6.2萬(wan)元(yuan),隧洞(dong)(dong)方(fang)案(an)(an)(an)日常維護工作量少,且不(bu)占林地,故無壓輸水系統選用隧洞(dong)(dong)方(fang)案(an)(an)(an)。

3主要建筑物

3.1渠首樞紐

渠首樞紐由攔河堰(yan)(yan)、進水閘(zha)和(he)攔沙坎組成。攔河堰(yan)(yan)為折線型漿(jiang)砌塊石實用堰(yan)(yan),溢(yi)流段長31.1m,堰(yan)(yan)頂高(gao)(gao)程224.63m,最(zui)大堰(yan)(yan)高(gao)(gao)2.23m,堰(yan)(yan)頂寬(kuan)1.5m,上(shang)游(you)面(mian)垂(chui)直(zhi),下游(you)面(mian)坡度(du)1∶2。堰(yan)(yan)體采(cai)用M7.5漿(jiang)砌塊石砌筑(zhu),外包30cm厚C20混凝土。由于上(shang)下游(you)水位(wei)差小,溢(yi)流堰(yan)(yan)僅設置4m長的漿(jiang)砌塊石護(hu)坦來消能,堰(yan)(yan)體防(fang)滲采(cai)用混凝土防(fang)滲墻。

進(jin)水(shui)閘位于甘溪的(de)(de)左岸,緊(jin)鄰甘溪二級(ji)水(shui)電(dian)站(zhan)的(de)(de)進(jin)廠公路,采(cai)用(yong)側(ce)向(xiang)引水(shui),引水(shui)角15°。設(she)(she)置(zhi)(zhi)1孔寬2m的(de)(de)閘孔,閘底板(ban)高程223.35m,后接無(wu)壓隧(sui)洞。進(jin)水(shui)閘為(wei)胸(xiong)墻式(shi)結構,閘室長4.46m,設(she)(she)1道攔污柵和1扇(shan)鑄鐵(tie)工作閘門,手動螺桿(gan)啟閉(bi)機啟閉(bi),啟閉(bi)機平臺(tai)高程227.70m。由于河道中泥沙(sha)(sha)(sha)很少,且大部分淤積在上游(you)的(de)(de)水(shui)庫(ku)中,渠首樞紐不(bu)設(she)(she)置(zhi)(zhi)排沙(sha)(sha)(sha)設(she)(she)施,進(jin)水(shui)閘前設(she)(she)有(you)攔沙(sha)(sha)(sha)坎(kan),攔沙(sha)(sha)(sha)坎(kan)前考慮人工定期清沙(sha)(sha)(sha)。

3.2無壓(ya)輸水隧(sui)洞

進水(shui)閘至(zhi)前池(chi)之(zhi)間為(wei)(wei)無(wu)壓(ya)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)段,長(chang)2354.947m。根(gen)據地(di)形(xing)條件(jian)及施工要(yao)求(qiu),無(wu)壓(ya)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)段由1號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)、2號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)、3號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)和1號(hao)(hao)鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)、2號(hao)(hao)鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)組成,1號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)長(chang)124.100m,2號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)長(chang)855.485m,3號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)長(chang)1315.362m。1號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)、2號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)、3號(hao)(hao)隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)之(zhi)間由鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)連接(jie),1號(hao)(hao)鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)長(chang)50m,2號(hao)(hao)鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)長(chang)10m。隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)沿線(xian)分布的(de)巖(yan)性為(wei)(wei)奧陶系上統(tong)於(wu)潛組砂巖(yan)、頁巖(yan)互層,上覆巖(yan)體厚度30~90m,整體性較好,屬Ⅱ~Ⅲ類圍巖(yan)。隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)斷面(mian)采(cai)(cai)用城門(men)洞(dong)(dong)(dong)(dong)(dong)型,開挖斷面(mian)寬2.4m,高(gao)2.65m(其中直墻高(gao)1.45m,矢高(gao)1.2m,半徑1.2m),縱坡為(wei)(wei)1?2000,洞(dong)(dong)(dong)(dong)(dong)底采(cai)(cai)用10cm厚的(de)C15素混(hun)凝(ning)土(tu)(tu)(tu)找平(ping)。隧(sui)(sui)(sui)洞(dong)(dong)(dong)(dong)(dong)進出口及斷層地(di)段采(cai)(cai)用鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)襯(chen)砌,襯(chen)砌厚度30cm。連接(jie)段鋼(gang)筋(jin)(jin)混(hun)凝(ning)土(tu)(tu)(tu)埋(mai)(mai)(mai)管(guan)采(cai)(cai)用箱(xiang)型結構,凈寬1.8m,高(gao)2.05m,壁(bi)厚0.3m。

在樁號2+139.35處(chu)設置溢流(liu)支(zhi)洞(dong),把(ba)進入隧洞(dong)多余的來水排(pai)入支(zhi)流(liu)烏(wu)浪溪中。溢流(liu)支(zhi)洞(dong)長65m,斷面呈城門洞(dong)型,開(kai)(kai)挖斷面開(kai)(kai)挖寬2.4m,高(gao)2.65m。

3.3前池(chi)及壓力管道

前(qian)池布置在(zai)廠房上(shang)游的山坡上(shang),采用鋼(gang)筋混凝土結構,總長21.2m。正常運行水位223.2m,最低(di)運行水位221.9m,前(qian)池工作容積94.1m3,邊墻(qiang)頂高程224.7m。前(qian)池進水口前(qian)設攔污(wu)柵和(he)事故鋼(gang)閘門。

壓力(li)鋼(gang)(gang)(gang)管(guan)(guan)(guan)布置(zhi)在山(shan)坡中開挖出的管(guan)(guan)(guan)槽(cao)內,全長52.68m。因設計引用(yong)流(liu)量(liang)不大,壓力(li)鋼(gang)(gang)(gang)管(guan)(guan)(guan)采(cai)用(yong)一管(guan)(guan)(guan)二機的供水(shui)方(fang)式,在廠房外(wai)45°卜(bu)形分岔成兩支管(guan)(guan)(guan)。選定主管(guan)(guan)(guan)管(guan)(guan)(guan)徑1.2m,鋼(gang)(gang)(gang)板(ban)(ban)壁厚12mm。支管(guan)(guan)(guan)與(yu)蝶閥(fa)同(tong)直(zhi)徑,管(guan)(guan)(guan)徑0.8m,鋼(gang)(gang)(gang)板(ban)(ban)壁厚8mm。壓力(li)鋼(gang)(gang)(gang)管(guan)(guan)(guan)在樁(zhuang)號(hao)管(guan)(guan)(guan)0+021.44處設鎮墩(dun),每(mei)7米增設支墩(dun),前池壓力(li)墻及鎮墩(dun)后各設1個伸縮節。鋼(gang)(gang)(gang)管(guan)(guan)(guan)槽(cao)底(di)寬(kuan)2.6m,左側布置(zhi)踏步,以便于壓力(li)鋼(gang)(gang)(gang)管(guan)(guan)(guan)的日常維護。

3.4發電廠房

發電(dian)(dian)廠(chang)房(fang)位于潘家村山麓下,廠(chang)房(fang)基礎全部座落在基巖上(shang),根據機電(dian)(dian)設備的布置,采用地(di)面式廠(chang)房(fang)。廠(chang)房(fang)內(nei)布置2臺臥式水輪發電(dian)(dian)機組,機組軸(zhou)線(xian)與廠(chang)房(fang)縱軸(zhou)線(xian)平行,機組間距(ju)7.4m,上(shang)游側(ce)布置蝴蝶閥和(he)(he)控(kong)制保護屏,安(an)(an)裝間位于廠(chang)房(fang)的右端。發電(dian)(dian)機層地(di)面高程(cheng)188.64m,安(an)(an)裝場地(di)面高程(cheng)189.60m。因發電(dian)(dian)機層與安(an)(an)裝場之間存在高差,為便于設備的安(an)(an)裝和(he)(he)檢修,廠(chang)房(fang)內(nei)設1臺5t的單軌(gui)手動葫蘆,架(jia)設于屋面大梁下。廠(chang)房(fang)采用混凝土排架(jia)結構,磚(zhuan)墻圍護,長22.0m,寬8.7m。

篇3

連江(jiang)縣(xian)塘(tang)(tang)坂(ban)(ban)水(shui)(shui)(shui)庫電(dian)站(zhan)(zhan)工(gong)程(cheng)(cheng)位(wei)于鰲江(jiang)干流中(zhong)游(you),在(zai)山(shan)仔水(shui)(shui)(shui)庫下(xia)游(you)約7km,在(zai)連江(jiang)縣(xian)塘(tang)(tang)坂(ban)(ban)村下(xia)游(you)3km,距福(fu)州市(shi)47km,距連江(jiang)縣(xian)城38km,壩(ba)址左岸(an)有公路在(zai)貴(gui)安橋與福(fu)飛公路相接,對外交通方便。連江(jiang)縣(xian)塘(tang)(tang)坂(ban)(ban)水(shui)(shui)(shui)庫電(dian)站(zhan)(zhan)是(shi)以發電(dian)為主,兼有供水(shui)(shui)(shui)等(deng)綜合利用效益的河(he)床(chuang)式水(shui)(shui)(shui)電(dian)樞(shu)紐(niu)工(gong)程(cheng)(cheng),電(dian)站(zhan)(zhan)總裝機(ji)11MW,壩(ba)址以上流域(yu)面積為1701km2,水(shui)(shui)(shui)庫正常蓄水(shui)(shui)(shui)位(wei)36.8m,其相應庫容766萬(wan)m3。該(gai)工(gong)程(cheng)(cheng)系福(fu)州第(di)二(er)水(shui)(shui)(shui)源工(gong)程(cheng)(cheng)的配套工(gong)程(cheng)(cheng),為福(fu)州市(shi)九(jiu)五(wu)計劃中(zhong)重點基本建(jian)設項目。工(gong)程(cheng)(cheng)于1998年10月(yue)28日正式開工(gong),2001年4月(yue)底首(shou)臺(tai)機(ji)組發電(dian),2001年7月(yue)底工(gong)程(cheng)(cheng)竣工(gong),整個(ge)工(gong)程(cheng)(cheng)施工(gong)總工(gong)期(qi)為2年9個(ge)月(yue)。主要水(shui)(shui)(shui)工(gong)建(jian)筑物(wu)由攔(lan)河(he)壩(ba)、廠房和開關站(zhan)(zhan)等(deng)組成。攔(lan)河(he)壩(ba)頂(ding)高(gao)程(cheng)(cheng)39.8m,壩(ba)頂(ding)長226.3m,最(zui)大壩(ba)高(gao)27.3m。溢流壩(ba)段位(wei)于河(he)床(chuang)中(zhong)部,上設4孔鋼(gang)弧形閘門,孔口尺寸(cun)為16X12.5m,堰頂(ding)高(gao)程(cheng)(cheng)24.3m。廠房位(wei)于河(he)床(chuang)左岸(an)。

2.水文地質條件

壩址(zhi)河(he)(he)谷較(jiao)寬呈“U”型。巖性(xing)為侏羅統南(nan)圓組第三段流紋質晶屑凝灰熔巖。兩岸(an)(an)山坡(po)殘積土(tu)夾碎石厚約2~5m。左岸(an)(an)風化(hua)程度較(jiao)右(you)岸(an)(an)深(shen)(shen),尤(you)其(qi)左岸(an)(an)河(he)(he)邊(bian)一(yi)帶風化(hua)較(jiao)深(shen)(shen)。河(he)(he)床(chuang)及(ji)漫灘(tan)階地(di)有卵石覆蓋,厚約7~10m。

壩址(zhi)控制流(liu)域面(mian)積為1701km2,壩區氣候溫和。壩址(zhi)多年年平均流(liu)量59.9m3/s,10月~4月為枯水(shui)(shui)期。施工洪(hong)水(shui)(shui)特性如下(xia)表(biao)。

時段

P(%)

10~12

11~1

10~3

10~4

11~4

全年

5

245

151

265

280

238

4900

10

197

133

242

244

213

3990

20

153

115

224

204

187

3360

33.3

123

103

155

179

167

2240

50

103

94

132

156

149

2180

3.導流標準、流量及導流方式

工(gong)(gong)(gong)(gong)(gong)程(cheng)壩(ba)(ba)(ba)址處河(he)床(chuang)天然常水(shui)(shui)(shui)(shui)位為(wei)(wei)(wei)(wei)(wei)23.5m,相應的(de)(de)水(shui)(shui)(shui)(shui)面(mian)寬為(wei)(wei)(wei)(wei)(wei)90m。河(he)道右(you)側(ce)有近60m寬的(de)(de)大片灘地,兩(liang)岸(an)岸(an)邊較(jiao)緩,故具備分期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)條件。控制工(gong)(gong)(gong)(gong)(gong)期(qi)(qi)(qi)的(de)(de)關鍵項目(mu)為(wei)(wei)(wei)(wei)(wei)廠(chang)房(fang)(fang)工(gong)(gong)(gong)(gong)(gong)程(cheng),同時(shi)(shi)大部分施(shi)工(gong)(gong)(gong)(gong)(gong)輔助企業設在(zai)左(zuo)岸(an),因此(ci)一期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)先(xian)圍(wei)(wei)左(zuo)岸(an)2孔水(shui)(shui)(shui)(shui)閘和發電廠(chang)房(fang)(fang),洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)由右(you)岸(an)明渠通過(guo);二(er)期(qi)(qi)(qi)圍(wei)(wei)右(you)岸(an)2孔水(shui)(shui)(shui)(shui)閘及重(zhong)力壩(ba)(ba)(ba),洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)由已建(jian)的(de)(de)左(zuo)側(ce)2孔水(shui)(shui)(shui)(shui)閘通過(guo)。壩(ba)(ba)(ba)址處河(he)床(chuang)洪(hong)(hong)(hong)枯流(liu)(liu)(liu)(liu)量比(bi)約為(wei)(wei)(wei)(wei)(wei)10,汛(xun)(xun)期(qi)(qi)(qi)洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)較(jiao)大,而上游山仔水(shui)(shui)(shui)(shui)電站系季調節水(shui)(shui)(shui)(shui)庫,調節性能好,為(wei)(wei)(wei)(wei)(wei)減少施(shi)工(gong)(gong)(gong)(gong)(gong)難度,降低導(dao)流(liu)(liu)(liu)(liu)工(gong)(gong)(gong)(gong)(gong)程(cheng)造(zao)(zao)價,施(shi)工(gong)(gong)(gong)(gong)(gong)導(dao)流(liu)(liu)(liu)(liu)時(shi)(shi)段采用(yong)枯水(shui)(shui)(shui)(shui)期(qi)(qi)(qi)10~4月。工(gong)(gong)(gong)(gong)(gong)程(cheng)屬(shu)Ⅳ等工(gong)(gong)(gong)(gong)(gong)程(cheng),主要永久建(jian)筑物為(wei)(wei)(wei)(wei)(wei)4級,相應的(de)(de)臨時(shi)(shi)建(jian)筑物為(wei)(wei)(wei)(wei)(wei)5級。施(shi)工(gong)(gong)(gong)(gong)(gong)洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)導(dao)流(liu)(liu)(liu)(liu)標(biao)準為(wei)(wei)(wei)(wei)(wei):洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)重(zhong)現(xian)期(qi)(qi)(qi)10~5年(土(tu)(tu)石(shi)圍(wei)(wei)堰(yan)(yan))或5~3年(混凝土(tu)(tu)圍(wei)(wei)堰(yan)(yan))。壩(ba)(ba)(ba)址附近有大量的(de)(de)土(tu)(tu)料可(ke)用(yong)于圍(wei)(wei)堰(yan)(yan)填筑,采用(yong)粘土(tu)(tu)圍(wei)(wei)堰(yan)(yan)可(ke)降低導(dao)流(liu)(liu)(liu)(liu)造(zao)(zao)價,圍(wei)(wei)堰(yan)(yan)結構(gou)采用(yong)土(tu)(tu)石(shi)圍(wei)(wei)堰(yan)(yan)。由于廠(chang)房(fang)(fang)工(gong)(gong)(gong)(gong)(gong)程(cheng)結構(gou)復雜,一期(qi)(qi)(qi)工(gong)(gong)(gong)(gong)(gong)程(cheng)量大,施(shi)工(gong)(gong)(gong)(gong)(gong)期(qi)(qi)(qi)長,圍(wei)(wei)堰(yan)(yan)過(guo)水(shui)(shui)(shui)(shui)對工(gong)(gong)(gong)(gong)(gong)期(qi)(qi)(qi)及經濟都影響較(jiao)大,故一期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)標(biao)準選(xuan)為(wei)(wei)(wei)(wei)(wei)洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)重(zhong)現(xian)期(qi)(qi)(qi)10年;二(er)期(qi)(qi)(qi)攔(lan)河(he)壩(ba)(ba)(ba)結構(gou)相對較(jiao)為(wei)(wei)(wei)(wei)(wei)簡單,工(gong)(gong)(gong)(gong)(gong)程(cheng)規模小(xiao),在(zai)一個枯水(shui)(shui)(shui)(shui)期(qi)(qi)(qi)可(ke)完成,故二(er)期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)標(biao)準選(xuan)為(wei)(wei)(wei)(wei)(wei)洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)重(zhong)現(xian)期(qi)(qi)(qi)5年。一期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)量為(wei)(wei)(wei)(wei)(wei)244m3/s,二(er)期(qi)(qi)(qi)導(dao)流(liu)(liu)(liu)(liu)流(liu)(liu)(liu)(liu)量為(wei)(wei)(wei)(wei)(wei)204m3/s。一期(qi)(qi)(qi)廠(chang)房(fang)(fang)施(shi)工(gong)(gong)(gong)(gong)(gong)采用(yong)攔(lan)砂坎(kan)加(jia)高圍(wei)(wei)堰(yan)(yan)或廠(chang)房(fang)(fang)進尾(wei)水(shui)(shui)(shui)(shui)閘門下閘渡汛(xun)(xun)。導(dao)流(liu)(liu)(liu)(liu)平面(mian)布(bu)置見圖3-1。

4.導流建筑物

4.1導流明渠

導流明渠(qu)(qu)布置在右岸灘地(di)上(shang),長(chang)169.78m,梯形過水斷面,左(zuo)(zuo)邊(bian)坡(po)為(wei)(wei)垂直坡(po),右邊(bian)坡(po)為(wei)(wei)1:1,明渠(qu)(qu)底(di)(di)寬為(wei)(wei)20.0m,上(shang)游(you)首(shou)部(bu)底(di)(di)板高程為(wei)(wei)22.50m,下(xia)游(you)尾部(bu)底(di)(di)板高程為(wei)(wei)22.00m。明渠(qu)(qu)樁號壩(ba)(ba)上(shang)0+020上(shang)游(you)段(duan)右轉27°后與(yu)(yu)河道相接(jie),明渠(qu)(qu)樁號壩(ba)(ba)上(shang)0+020至壩(ba)(ba)下(xia)0+040與(yu)(yu)壩(ba)(ba)軸線(xian)平行,明渠(qu)(qu)樁號壩(ba)(ba)下(xia)0+040下(xia)游(you)段(duan)左(zuo)(zuo)轉14°后直線(xian)與(yu)(yu)河道順接(jie)。明渠(qu)(qu)上(shang)游(you)首(shou)部(bu)左(zuo)(zuo)側設一長(chang)15.7m的竹籠導墻,改善(shan)進口水力條件。明渠(qu)(qu)底(di)(di)板采

用150#竹筋砼(tong),厚300mm,竹筋間距為200X200mm。明渠(qu)左側(ce)為一期(qi)縱向砼(tong)圍(wei)堰,右(you)側(ce)為漿(jiang)砌(qi)塊石護坡(po)擋墻。

4.2一期圍堰

一(yi)期縱(zong)(zong)向圍(wei)(wei)堰(yan)(yan)布置在(zai)3#閘墩右(you)側25m處(壩0+095.3),長169.78m,圍(wei)(wei)堰(yan)(yan)頂高(gao)程從27.0m漸變到26.5m,圍(wei)(wei)堰(yan)(yan)頂寬2.0m,最(zui)大(da)堰(yan)(yan)高(gao)11m,縱(zong)(zong)向圍(wei)(wei)堰(yan)(yan)樁號壩上0+020以上段(duan)兩側邊坡(po)1:0.3,其(qi)余段(duan)迎水面垂(chui)直(zhi),背水面1:0.6,采(cai)用(yong)(yong)(yong)150#混合料砼。一(yi)期縱(zong)(zong)向圍(wei)(wei)堰(yan)(yan)子堰(yan)(yan)采(cai)用(yong)(yong)(yong)土石圍(wei)(wei)堰(yan)(yan),利用(yong)(yong)(yong)縱(zong)(zong)向圍(wei)(wei)堰(yan)(yan)外側原狀砂(sha)卵(luan)石,在(zai)右(you)側增加防(fang)滲結構,防(fang)滲結構采(cai)用(yong)(yong)(yong)粘土心墻結合土工膜形(xing)式。一(yi)期縱(zong)(zong)向圍(wei)(wei)堰(yan)(yan)及子堰(yan)(yan)斷面見圖4-1。

一(yi)期(qi)上(shang)游(you)圍堰(yan)(yan)(yan)采用土(tu)(tu)石(shi)圍堰(yan)(yan)(yan),堰(yan)(yan)(yan)項高(gao)程為(wei)27.0m,堰(yan)(yan)(yan)頂寬6.0m,兩側邊坡為(wei)1:2.0,最(zui)大堰(yan)(yan)(yan)高(gao)約(yue)為(wei)9.0m,圍堰(yan)(yan)(yan)基礎采用粘土(tu)(tu)心墻結合土(tu)(tu)工膜防滲,上(shang)下(xia)游(you)采用填筑石(shi)料護面(mian)。一(yi)期(qi)下(xia)游(you)圍堰(yan)(yan)(yan)采用土(tu)(tu)石(shi)圍堰(yan)(yan)(yan),堰(yan)(yan)(yan)項高(gao)程為(wei)26.0m,最(zui)大堰(yan)(yan)(yan)高(gao)約(yue)為(wei)8.0m,圍堰(yan)(yan)(yan)結構形式(shi)同上(shang)游(you)圍堰(yan)(yan)(yan)。一(yi)期(qi)上(shang)游(you)圍堰(yan)(yan)(yan)斷面(mian)見圖4-2。

4.3二期圍堰

二(er)期縱(zong)向圍(wei)(wei)堰(yan)(yan)(yan)(yan)(yan)利用(yong)(yong)攔(lan)河閘2#中墩并向上(shang)游延伸到(dao)壩上(shang)0+030.965,向下游延伸至壩下0+073.97。縱(zong)向圍(wei)(wei)堰(yan)(yan)(yan)(yan)(yan)上(shang)游段堰(yan)(yan)(yan)(yan)(yan)頂(ding)高(gao)程(cheng)27.0m,采用(yong)(yong)75#漿(jiang)砌(qi)石堰(yan)(yan)(yan)(yan)(yan)身,寬600mm的150#砼(tong)心墻防滲(shen)結構(gou),堰(yan)(yan)(yan)(yan)(yan)頂(ding)寬2.0m,最大堰(yan)(yan)(yan)(yan)(yan)高(gao)8.0m,迎水面(mian)垂直,背水面(mian)1:0.6。縱(zong)向圍(wei)(wei)堰(yan)(yan)(yan)(yan)(yan)下游段堰(yan)(yan)(yan)(yan)(yan)頂(ding)高(gao)程(cheng)26.0m,采用(yong)(yong)150#砼(tong)心墻兩側夯填(tian)砂卵石結構(gou),堰(yan)(yan)(yan)(yan)(yan)頂(ding)寬700mm,最大堰(yan)(yan)(yan)(yan)(yan)高(gao)6.4m。砼(tong)心墻迎水面(mian)上(shang)部(bu)垂直,下部(bu)邊坡1:0.25,背水面(mian)成階梯狀,臺階寬700mm,高(gao)2.0m。二(er)期縱(zong)向圍(wei)(wei)堰(yan)(yan)(yan)(yan)(yan)下游斷(duan)面(mian)見圖4-3。

二期上(shang)(shang)游圍(wei)(wei)堰(yan)(yan)(yan)(yan)采用土石圍(wei)(wei)堰(yan)(yan)(yan)(yan),堰(yan)(yan)(yan)(yan)項(xiang)高程為(wei)(wei)27.0m,堰(yan)(yan)(yan)(yan)頂寬5.5m,迎水面邊坡(po)為(wei)(wei)1:2.5,背水面邊坡(po)為(wei)(wei)1:1.5,最大堰(yan)(yan)(yan)(yan)高約為(wei)(wei)4.5m,圍(wei)(wei)堰(yan)(yan)(yan)(yan)基(ji)礎(chu)采用粘土斜(xie)墻(qiang)結合鋪(pu)蓋防滲。二期下游圍(wei)(wei)堰(yan)(yan)(yan)(yan)采用土石圍(wei)(wei)堰(yan)(yan)(yan)(yan),堰(yan)(yan)(yan)(yan)項(xiang)高程為(wei)(wei)26.0m,最大堰(yan)(yan)(yan)(yan)高約為(wei)(wei)4.0m,圍(wei)(wei)堰(yan)(yan)(yan)(yan)結構形(xing)式(shi)同上(shang)(shang)游圍(wei)(wei)堰(yan)(yan)(yan)(yan)。

4.4圍堰防滲形式

一期縱向圍(wei)堰(yan)(yan)布置在3#閘墩右側(ce)(ce)25m處(壩0+095.3),提(ti)高建基面高程(cheng),覆蓋層(ceng)較(jiao)淺。縱向圍(wei)堰(yan)(yan)基礎開挖和(he)(he)滲水量較(jiao)小,在縱向圍(wei)堰(yan)(yan)左(zuo)(zuo)側(ce)(ce)填筑(zhu)子堰(yan)(yan),防滲結(jie)構采用粘(zhan)土心(xin)墻結(jie)合(he)土工膜形(xing)式。在縱向子堰(yan)(yan)的左(zuo)(zuo)側(ce)(ce)依次填筑(zhu)袋裝砂、土工布、土工膜、土工布和(he)(he)粘(zhan)土,防滲效果良(liang)好。

一(yi)期(qi)上下(xia)游(you)圍堰(yan)基(ji)礎(chu)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)形式在(zai)招標階段(duan)選(xuan)用(yong)旋噴(pen)砼(tong)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)墻。這種(zhong)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)體(ti)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)效果較(jiao)(jiao)有保證(zheng),基(ji)坑滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)流(liu)(liu)(liu)小,但(dan)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)時(shi)間(jian)長(chang)(chang),且(qie)其(qi)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)期(qi)內(nei)要求(qiu)(qiu)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)墻兩側不能形成較(jiao)(jiao)大的水(shui)(shui)(shui)位差,導(dao)致基(ji)坑排(pai)水(shui)(shui)(shui)和(he)開挖(wa)(wa)時(shi)間(jian)滯(zhi)后,影(ying)響施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)期(qi)。在(zai)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)圖階段(duan)經多方面比(bi)較(jiao)(jiao)論(lun)證(zheng),一(yi)期(qi)上下(xia)游(you)橫向圍堰(yan)采(cai)(cai)(cai)用(yong)粘(zhan)土(tu)(tu)心墻結合土(tu)(tu)工(gong)(gong)(gong)膜復合防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)。這種(zhong)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)形式具有施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)時(shi)段(duan)較(jiao)(jiao)短,不占用(yong)截流(liu)(liu)(liu)后的關鍵線路(lu)工(gong)(gong)(gong)期(qi),為主體(ti)工(gong)(gong)(gong)程(cheng)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)爭取較(jiao)(jiao)多的施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)時(shi)間(jian),但(dan)需要解(jie)決防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)體(ti)水(shui)(shui)(shui)中施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)的技(ji)術問題。通過(guo)調查分析,上游(you)的山(shan)仔(zi)(zi)水(shui)(shui)(shui)庫(ku)為季(ji)調節水(shui)(shui)(shui)庫(ku),冬季(ji)庫(ku)水(shui)(shui)(shui)位較(jiao)(jiao)低(di),一(yi)般(ban)不泄流(liu)(liu)(liu)。塘(tang)坂壩址來水(shui)(shui)(shui)主要為山(shan)仔(zi)(zi)水(shui)(shui)(shui)庫(ku)的發電泄水(shui)(shui)(shui)。因此考慮山(shan)仔(zi)(zi)水(shui)(shui)(shui)庫(ku)短時(shi)間(jian)停機(ji),降低(di)塘(tang)坂壩址水(shui)(shui)(shui)位,為堰(yan)基(ji)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)體(ti)溝槽開挖(wa)(wa)施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)創造條件。防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)體(ti)溝槽采(cai)(cai)(cai)用(yong)長(chang)(chang)臂(bei)反(fan)鏟(chan)挖(wa)(wa)掘(jue)機(ji)開挖(wa)(wa),倒退法施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)。長(chang)(chang)臂(bei)反(fan)鏟(chan)挖(wa)(wa)掘(jue)機(ji)挖(wa)(wa)深可達6~7m,基(ji)本(ben)(ben)能將覆蓋層(ceng)挖(wa)(wa)除(chu)。粘(zhan)土(tu)(tu)填筑采(cai)(cai)(cai)取端進法施(shi)(shi)(shi)(shi)工(gong)(gong)(gong)。由(you)于防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)土(tu)(tu)料系在(zai)水(shui)(shui)(shui)中拋填,無法壓實,無法完全達到抗滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)要求(qiu)(qiu),故擬在(zai)粘(zhan)土(tu)(tu)之后鋪(pu)設一(yi)道土(tu)(tu)工(gong)(gong)(gong)膜,粘(zhan)土(tu)(tu)和(he)土(tu)(tu)工(gong)(gong)(gong)膜共同(tong)防(fang)(fang)(fang)(fang)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen),基(ji)本(ben)(ben)解(jie)決堰(yan)基(ji)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)流(liu)(liu)(liu)問題。通過(guo)幾個月的觀察和(he)量測,其(qi)滲(shen)(shen)(shen)(shen)(shen)(shen)(shen)流(liu)(liu)(liu)基(ji)本(ben)(ben)控制在(zai)30m3/h之內(nei),達到預期(qi)效果。

二期上(shang)下游圍堰(yan)(yan)在導流明渠(qu)上(shang),基礎為砼底(di)板(ban),主要是(shi)堰(yan)(yan)體的防(fang)滲(shen),由于堰(yan)(yan)高較小,采用粘土斜墻加(jia)鋪蓋(gai)的防(fang)滲(shen)形式。上(shang)游部(bu)分(fen)圍堰(yan)(yan)和縱向圍堰(yan)(yan)采用漿砌石加(jia)砼心墻結構防(fang)滲(shen)。

5.截流

根據施工總進度的安排,大壩一期(qi)截流安排在(zai)(zai)1999年10月初,二期(qi)圍堰截流安排在(zai)(zai)2000年10月中(zhong)旬。截流時考慮山仔水(shui)庫短時間停機,截流設計(ji)流量很小,施工難(nan)度較小。采用單戧堤立(li)堵截流。

篇4

以(yi)杏南小區(qu)污水(shui)泵站建設工(gong)程(cheng)為例,闡(chan)述污水(shui)提升(sheng)泵站污水(shui)處理流(liu)程(cheng)。該(gai)泵站中有兩臺潛水(shui)泵(一(yi)用一(yi)備),生活污水(shui)不斷的注入集水(shui)池內,當(dang)集水(shui)池內水(shui)位升(sheng)至(zhi)(zhi)一(yi)個高水(shui)位時(shi),一(yi)臺泵啟動(dong)(dong),水(shui)位下降至(zhi)(zhi)一(yi)個低水(shui)位時(shi),泵自動(dong)(dong)停(ting)止(zhi)工(gong)作。當(dang)集水(shui)池再(zai)次(ci)充滿水(shui)時(shi),起(qi)動(dong)(dong)另外一(yi)臺水(shui)泵,直至(zhi)(zhi)停(ting)止(zhi)工(gong)作。

2電氣系(xi)統設計組成

根據污水泵站(zhan)(zhan)污水處(chu)理過(guo)程(cheng)的(de)(de)流程(cheng)和(he)現(xian)(xian)場設備的(de)(de)要(yao)求(qiu),整個(ge)污水泵站(zhan)(zhan)污水處(chu)理站(zhan)(zhan)控(kong)制部分由(you)電氣部分、PLC控(kong)制系統(tong)以(yi)及(ji)監控(kong)系統(tong)。系統(tong)為(wei)集散(san)型(xing)計算機控(kong)制系統(tong)。系統(tong)采用以(yi)太網(wang)和(he)現(xian)(xian)場總線混(hun)合(he)型(xing)結構,PLC作為(wei)現(xian)(xian)場總線中(zhong)的(de)(de)一(yi)個(ge)站(zhan)(zhan),又作為(wei)以(yi)太網(wang)上的(de)(de)一(yi)個(ge)站(zhan)(zhan)點(dian),而(er)(er)(er)監控(kong)中(zhong)心不(bu)作為(wei)現(xian)(xian)場總線網(wang)絡(luo)中(zhong)的(de)(de)站(zhan)(zhan)點(dian),只作為(wei)以(yi)太網(wang)中(zhong)的(de)(de)節(jie)點(dian),此網(wang)上的(de)(de)各站(zhan)(zhan)點(dian)相互之間的(de)(de)數據交換通過(guo)以(yi)太網(wang)進行,而(er)(er)(er)現(xian)(xian)場的(de)(de)信息(xi)也(ye)(ye)通過(guo)以(yi)太網(wang)從PLC的(de)(de)寄存(cun)器(qi)中(zhong)讀取,控(kong)制現(xian)(xian)場的(de)(de)參數也(ye)(ye)由(you)以(yi)太網(wang)送到主(zhu)(zhu)站(zhan)(zhan)PLC的(de)(de)寄存(cun)器(qi)中(zhong),再通過(guo)主(zhu)(zhu)/從協議傳送到現(xian)(xian)場總線中(zhong)的(de)(de)各從站(zhan)(zhan)。從而(er)(er)(er)實現(xian)(xian)污水站(zhan)(zhan)的(de)(de)遠程(cheng)監視控(kong)制。

2.1電氣部分設計。

由于(yu)污(wu)水處理(li)是(shi)一個連(lian)續的(de)(de)非常重(zhong)要的(de)(de)項目,如果(guo)在正(zheng)常生產(chan)中有電源中斷,那樣(yang)會引起工藝(yi)狀態混亂,需要很長時間(jian)才(cai)能恢(hui)復。所(suo)以供電負(fu)荷要求(qiu)為(wei)(wei)二級,供電電源采用(yong)(yong)雙回(hui)線(xian)路。泵(beng)站(zhan)的(de)(de)主要用(yong)(yong)電負(fu)荷為(wei)(wei)一臺(tai)90kW的(de)(de)潛水泵(beng)。電機實現手(shou)動(dong)/自動(dong)兩(liang)種控(kong)制(zhi)方式,手(shou)動(dong)方式下(xia)實現就地控(kong)制(zhi),正(zheng)常運行情況下(xia)PLC控(kong)制(zhi)為(wei)(wei)主。電機采用(yong)(yong)軟(ruan)啟動(dong)方式啟動(dong)。另外還要給軸流風機和泵(beng)站(zhan)的(de)(de)一些正(zheng)常用(yong)(yong)電配電。

2.2PLC控制系統設(she)計。

在(zai)整個(ge)控(kong)制(zhi)系統中(zhong),自(zi)動(dong)(dong)(dong)(dong)控(kong)制(zhi)部(bu)分(fen)主要有集(ji)水(shui)(shui)(shui)(shui)池(chi)的(de)液位(wei)(wei)(wei)控(kong)制(zhi)、潛(qian)水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)本身(shen)的(de)溫度、漏油控(kong)制(zhi)。下(xia)面仍以泵(beng)(beng)(beng)站中(zhong)有兩(liang)臺(tai)潛(qian)水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(一(yi)用(yong)(yong)一(yi)備)為例(li),具(ju)體的(de)說明集(ji)水(shui)(shui)(shui)(shui)池(chi)的(de)液位(wei)(wei)(wei)控(kong)制(zhi)流程(cheng)及程(cheng)序設計。集(ji)水(shui)(shui)(shui)(shui)內安裝2個(ge)浮球(qiu)液位(wei)(wei)(wei)計和1個(ge)投入式(shi)液位(wei)(wei)(wei)變送器。投入式(shi)液位(wei)(wei)(wei)變送器預先(xian)設定啟(qi)泵(beng)(beng)(beng)(-3.0m)和停(ting)泵(beng)(beng)(beng)(-5.95m)的(de)數值(zhi)(可更改(gai)的(de))。污水(shui)(shui)(shui)(shui)不斷的(de)注(zhu)入集(ji)水(shui)(shui)(shui)(shui)池(chi)內,當(dang)集(ji)水(shui)(shui)(shui)(shui)池(chi)內水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)升(sheng)至-3.0m時(shi)(shi),一(yi)臺(tai)泵(beng)(beng)(beng)啟(qi)動(dong)(dong)(dong)(dong),水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)下(xia)降(jiang)至-5.95m時(shi)(shi),泵(beng)(beng)(beng)自(zi)動(dong)(dong)(dong)(dong)停(ting)止工(gong)作(zuo)。當(dang)集(ji)水(shui)(shui)(shui)(shui)池(chi)再次(ci)充滿水(shui)(shui)(shui)(shui)時(shi)(shi),起動(dong)(dong)(dong)(dong)另(ling)外一(yi)臺(tai)水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng),直(zhi)至停(ting)止工(gong)作(zuo)。兩(liang)臺(tai)水(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)可由程(cheng)序控(kong)制(zhi)自(zi)動(dong)(dong)(dong)(dong)切換使(shi)用(yong)(yong),以保證各(ge)臺(tai)泵(beng)(beng)(beng)平均使(shi)用(yong)(yong);泵(beng)(beng)(beng)出口電動(dong)(dong)(dong)(dong)閥門與(yu)相應泵(beng)(beng)(beng)聯鎖。開(kai)泵(beng)(beng)(beng)過程(cheng)為:先(xian)啟(qi)泵(beng)(beng)(beng)后開(kai)閥;停(ting)泵(beng)(beng)(beng)過程(cheng)為:先(xian)關(guan)閥后停(ting)泵(beng)(beng)(beng)。2個(ge)浮球(qiu)液位(wei)(wei)(wei)計分(fen)別設在(zai)高低液位(wei)(wei)(wei)的(de)兩(liang)個(ge)值(zhi),當(dang)達(da)到這兩(liang)個(ge)值(zhi)時(shi)(shi),通(tong)過PLC與(yu)報警呼叫裝置連接(jie),通(tong)過通(tong)信(xin)網絡傳到監控(kong)中(zhong)心。

2.3監控(kong)及安防系統設計。

污水站,除(chu)了有遠程監(jian)(jian)控系統外,還必須有遠程視(shi)頻監(jian)(jian)控及(ji)防盜(dao)等的安防系統。

2.3.1周界(jie)防范(fan)報警系(xi)統。

周界防范(fan)報(bao)警系(xi)統通(tong)過在泵站的四周圍墻(qiang)上(shang)安置主動紅外對(dui)射(she)探(tan)測器,對(dui)周界分段警戒(jie),防范(fan)閑雜人(ren)員(yuan)翻(fan)越圍墻(qiang)進入泵站,當(dang)圍墻(qiang)上(shang)有人(ren)翻(fan)越時(shi),泵站報(bao)警主機上(shang)會出現(xian)聲光報(bao)警,同時(shi)報(bao)警信號自動傳輸到(dao)監控中心,并自動記錄報(bao)警時(shi)間與保存(cun)報(bao)警信息。

2.3.2防盜(dao)系(xi)統。

在泵(beng)站的室內安裝了(le)幕(mu)簾式被動(dong)紅外入(ru)侵探測器,用于(yu)防止他人(ren)未經許可進入(ru)房間(jian)實(shi)施破壞(huai)。

2.3.3遠程視頻圖象監控系統。

遠程視頻(pin)圖象監(jian)(jian)控系(xi)統是在污水泵(beng)站(zhan)(zhan)配(pei)電間、污水泵(beng)站(zhan)(zhan)院內等(deng)設置(zhi)前端攝像機(ji),將(jiang)圖象傳送(song)到監(jian)(jian)控中心(xin),由(you)監(jian)(jian)控中心(xin)對(dui)整個泵(beng)站(zhan)(zhan)進行實時(shi)監(jian)(jian)控和記錄(lu)(lu),使管理人員充分了解泵(beng)站(zhan)(zhan)的動(dong)態(tai)。該系(xi)統與泵(beng)站(zhan)(zhan)室內防(fang)盜報警(jing)、周界報警(jing)等(deng)系(xi)統聯動(dong),通(tong)過數字(zi)硬盤錄(lu)(lu)像機(ji),完成監(jian)(jian)視、報警(jing)、設防(fang)和監(jian)(jian)視圖象的存儲和檢索。

3設計時(shi)應(ying)該注(zhu)意的一些問題(ti)

這幾年做污水提升泵站的電氣系統設(she)計(ji),設(she)計(ji)時(shi)出(chu)現過一些問題,值得大家以后(hou)在(zai)設(she)計(ji)中應該注意的。

3.1電源的(de)問(wen)題(ti)。

污水站(zhan)屬于二級(ji)負荷(he)(he)。在(zai)水專(zhuan)業的規(gui)(gui)范(fan)中(zhong)有(you)說(shuo)明(ming),在(zai)電氣規(gui)(gui)范(fan)中(zhong)沒(mei)有(you)說(shuo)明(ming),說(shuo)以在(zai)設(she)(she)計時,我們都查了規(gui)(gui)范(fan),可(ke)以沒(mei)有(you)看到是二級(ji)負荷(he)(he),就沒(mei)有(you)按照二級(ji)負荷(he)(he)考(kao)慮電源的問題。根據民用建筑電氣設(she)(she)計規(gui)(gui)范(fan)(JGJ16-2008)3.2.10,二級(ji)負荷(he)(he)的供電系(xi)統,宜采(cai)用兩回線路供電。一定要跟高(gao)壓部門結合好引電源的位置,是不是可(ke)以增容。

3.2配(pei)電柜內設備(bei)的問題。

從現場的實際來看,進線柜(ju)(ju)若是雙電源切換柜(ju)(ju),1000mm寬(kuan)(kuan)的柜(ju)(ju)子(zi)還是比較(jiao)小,排的滿(man)滿(man)的,電纜在后面都沒有(you)多(duo)余的空間,所以柜(ju)(ju)體寬(kuan)(kuan)度最好為1200mm。

3.3自控設備的問題。

設計(ji)中采用了(le)超(chao)聲波(bo)液(ye)位計(ji)和浮球(qiu)液(ye)位計(ji),以后的(de)設計(ji)中可以考慮雷達液(ye)位計(ji)、激光液(ye)位計(ji)等。設計(ji)時,可根據(ju)每(mei)個物業的(de)情況選擇相應的(de)液(ye)位計(ji)。

3.4加裝雨棚燈、院內照明的問題。

在做擁(yong)軍(jun)污水(shui)泵(beng)站設(she)計(ji)時給(gei)我們(men)的(de)(de)圖紙就(jiu)沒有(you)雨(yu)棚(peng),也(ye)沒有(you)道路規劃(hua),所以電氣設(she)計(ji)時就(jiu)沒有(you)安裝(zhuang)雨(yu)棚(peng)燈(deng)(deng),也(ye)沒有(you)設(she)計(ji)道路照明。在以后的(de)(de)設(she)計(ji)中,細節的(de)(de)地方最(zui)好(hao)溝通一下,解(jie)決(jue)方法有(you)很(hen)多:可以安裝(zhuang)聲光(guang)控雨(yu)棚(peng)燈(deng)(deng);污水(shui)泵(beng)房頂四周增(zeng)設(she)投(tou)光(guang)燈(deng)(deng);有(you)磚圍(wei)欄的(de)(de),也(ye)可在圍(wei)欄柱上安裝(zhuang)燈(deng)(deng)具;站內道路也(ye)可以增(zeng)設(she)路燈(deng)(deng)。另(ling)外一定要注意的(de)(de)是:污水(shui)池內的(de)(de)照明燈(deng)(deng)具要選用防爆燈(deng)(deng)。從人性化(hua)的(de)(de)考慮,可以在大門處(chu)增(zeng)加門鈴,以便(bian)來(lai)訪(fang)人員。

4結語

篇5

[論(lun)文摘要(yao)] 我(wo)縣(xian)擁有小(xiao)水(shui)(shui)電(dian)站(zhan)154多(duo)座(zuo),大(da)多(duo)數建于上世(shi)紀七、八十(shi)年代(dai),經過幾十(shi)年運行,這些小(xiao)水(shui)(shui)電(dian)站(zhan)設備(bei)陳(chen)舊,電(dian)氣(qi)老化嚴(yan)重(zhong)(zhong),絕緣性差,控制保(bao)護方式(shi)落后,機(ji)組(zu)振動及噪(zao)音大(da),整(zheng)體故(gu)障率(lv)(lv)高,能(neng)量轉換效率(lv)(lv)低,甚至存在嚴(yan)重(zhong)(zhong)安全(quan)(quan)隱患(huan),嚴(yan)重(zhong)(zhong)威脅(xie)著電(dian)站(zhan)職工的(de)身心健康和(he)生(sheng)命安全(quan)(quan),急需(xu)進(jin)行技(ji)術改造(zao)。該文分析了(le)平和(he)縣(xian)已建小(xiao)水(shui)(shui)電(dian)站(zhan)存在的(de)主要(yao)問題,并就小(xiao)水(shui)(shui)電(dian)站(zhan)技(ji)術改造(zao)的(de)方法、政策和(he)保(bao)障措施提出了(le)相應的(de)建議。

1 目前(qian)存(cun)在的主要問題

根據(ju)對平和縣的小水(shui)電(dian)站(zhan)進行的初步(bu)調查(cha)發現,建于(yu)上世紀七(qi)、八十年代的小水(shui)電(dian)站(zhan)主要存在以下問題:

(1)機(ji)(ji)組(zu)設備本(ben)身存在缺(que)陷(xian)。由于(yu)當時(shi)設備制造技術水平所限,加上這些年來企業對老(lao)電站維護投入不足,導致(zhi)整個機(ji)(ji)組(zu)跑、冒(mao)、滲、漏(lou)現象嚴重,機(ji)(ji)組(zu)整體故障率高,發電能力(li)大大下降。

(2)設備(bei)陳舊(jiu)。調查中發現,有(you)的電站(zhan)機組(zu)已(yi)超期年限,電氣(qi)設備(bei)老化嚴(yan)重,絕緣(yuan)性差,絕大(da)部分(fen)器件(jian)已(yi)屬淘汰(tai)產品,備(bei)品備(bei)件(jian)解決困(kun)難,隨(sui)時(shi)都有(you)可(ke)能發生事故。

(3)機(ji)(ji)(ji)組主要(yao)性(xing)能(neng)參數與電(dian)(dian)(dian)(dian)站實際運(yun)行參數不(bu)匹配,水(shui)(shui)(shui)輪機(ji)(ji)(ji)處(chu)于(yu)(yu)(yu)非(fei)最優工況區運(yun)行,導致(zhi)(zhi)機(ji)(ji)(ji)組運(yun)行效率低、振動及噪音(yin)大,而且機(ji)(ji)(ji)組使用壽命也將大大縮短。產(chan)生這一問題的(de)主要(yao)原(yuan)因為(wei):①早(zao)期建成(cheng)的(de)一些小水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)站,由(you)于(yu)(yu)(yu)當時客觀條(tiao)件限制(zhi),常(chang)(chang)常(chang)(chang)出現“有機(ji)(ji)(ji)找窩”或“有窩找機(ji)(ji)(ji)”現象。②許多老電(dian)(dian)(dian)(dian)站的(de)機(ji)(ji)(ji)組生產(chan)于(yu)(yu)(yu)特殊年(nian)代,不(bu)按電(dian)(dian)(dian)(dian)站具體條(tiao)件而硬(ying)性(xing)套用定型(xing)(xing)圖紙,而我(wo)國早(zao)期編制(zhi)的(de)水(shui)(shui)(shui)輪機(ji)(ji)(ji)模型(xing)(xing)轉輪型(xing)(xing)譜(pu)中(zhong)可供各水(shui)(shui)(shui)頭段選用的(de)轉輪型(xing)(xing)號少,不(bu)少小水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)站只能(neng)套用相近轉輪。③電(dian)(dian)(dian)(dian)站設(she)(she)計時由(you)于(yu)(yu)(yu)缺少必要(yao)的(de)水(shui)(shui)(shui)文資料,導致(zhi)(zhi)電(dian)(dian)(dian)(dian)站建成(cheng)后實際的(de)來水(shui)(shui)(shui)量(liang)和水(shui)(shui)(shui)頭與設(she)(she)計工況不(bu)符;或電(dian)(dian)(dian)(dian)站由(you)于(yu)(yu)(yu)泥沙淤(yu)積,下(xia)游水(shui)(shui)(shui)位提高(gao),使得(de)電(dian)(dian)(dian)(dian)站的(de)發(fa)電(dian)(dian)(dian)(dian)水(shui)(shui)(shui)頭降低,導致(zhi)(zhi)機(ji)(ji)(ji)組的(de)運(yun)行工況偏(pian)離最優工況。

(4)電站運行管理技術(shu)、方(fang)法落(luo)后,監控(kong)、操作(zuo)、記錄等(deng)均(jun)需人工(gong)進(jin)行,自動化管理程度低(di)。當(dang)機組發(fa)生異常(chang)、狀態發(fa)生變化或參(can)數超限時(shi),難以及時(shi)報警,安(an)全可靠性差(cha)。值得一提的是,該類電站職工(gong)長期在噪音(yin)嚴(yan)(yan)重的機組旁值守,其(qi)身心(xin)健康必將受到(dao)嚴(yan)(yan)重影響。

(5)電(dian)站技術人員觀(guan)念陳舊,信息(xi)相對(dui)封閉,缺乏培訓,許多先(xian)進的管理(li)經(jing)驗(yan)和經(jing)濟實(shi)用的新材料、新技術、新設(she)備(bei)得不到很好的推(tui)廣應用。

2 小水(shui)電站的(de)改造建議

2.1 對(dui)小(xiao)水(shui)電站(zhan)(zhan)(zhan)的(de)現(xian)狀進(jin)(jin)行(xing)(xing)全(quan)(quan)面(mian)調(diao)查評(ping)估。建(jian)(jian)議由(you)行(xing)(xing)業主(zhu)(zhu)管部(bu)(bu)門(例如市水(shui)電局)牽頭,會同(tong)各縣行(xing)(xing)業主(zhu)(zhu)管部(bu)(bu)門對(dui)全(quan)(quan)市小(xiao)水(shui)電站(zhan)(zhan)(zhan)進(jin)(jin)行(xing)(xing)注冊登記,并組(zu)(zu)織有關專家(jia)組(zu)(zu)對(dui)電站(zhan)(zhan)(zhan)的(de)設備狀況(包(bao)括檢修及事(shi)故停機(ji)時間)、技(ji)(ji)術(shu)水(shui)平(機(ji)組(zu)(zu)的(de)先進(jin)(jin)性和(he)運行(xing)(xing)管理(li)現(xian)代化程度(du))、能量轉(zhuan)換效率和(he)安全(quan)(quan)隱患等(deng)進(jin)(jin)行(xing)(xing)全(quan)(quan)面(mian)調(diao)查和(he)評(ping)估。在此基礎(chu)上編(bian)制切實可行(xing)(xing)的(de)老(lao)電站(zhan)(zhan)(zhan)技(ji)(ji)術(shu)改造規劃,建(jian)(jian)議參照水(shui)庫(ku)大(da)壩評(ping)估方法,按電站(zhan)(zhan)(zhan)存在問題的(de)類型和(he)嚴重(zhong)程度(du),將(jiang)全(quan)(quan)國小(xiao)水(shui)電站(zhan)(zhan)(zhan)分為一(yi)、二、三(san)類,對(dui)于問題嚴重(zhong)的(de)三(san)類電站(zhan)(zhan)(zhan),限期進(jin)(jin)行(xing)(xing)技(ji)(ji)術(shu)改造。

2.2 制定相關政(zheng)策(ce)支持小(xiao)水電(dian)(dian)(dian)站(zhan)技(ji)(ji)(ji)術改(gai)造(zao)(zao)。調查表明,老電(dian)(dian)(dian)站(zhan)經改(gai)造(zao)(zao)后,平(ping)均效(xiao)率(lv)能提高(gao)15%左(zuo)右(you),可更為高(gao)效(xiao)利(li)用水利(li)資源,有(you)利(li)于節約(yue)型社會建設。同時,老電(dian)(dian)(dian)站(zhan)技(ji)(ji)(ji)術改(gai)造(zao)(zao)幾乎不(bu)會對生態環(huan)境(jing)造(zao)(zao)成(cheng)任何破壞,如果引入“一體化設計”的新理(li)念(nian)(nian),反而會有(you)利(li)于生態環(huan)境(jing)的改(gai)善,在水電(dian)(dian)(dian)開(kai)發受生態環(huan)境(jing)制約(yue)愈來愈嚴(yan)重(zhong)的今天(tian),其意(yi)義(yi)更為重(zhong)大(da)。但(dan)目前,經濟發達的地區,老電(dian)(dian)(dian)站(zhan)技(ji)(ji)(ji)術改(gai)造(zao)(zao)工作(zuo)進展較好,而經濟欠發達地區老電(dian)(dian)(dian)站(zhan)技(ji)(ji)(ji)術改(gai)造(zao)(zao)工作(zuo)舉步艱(jian)難(nan),究其原因主要(yao)是政(zheng)策(ce)和觀(guan)念(nian)(nian)問題。建議參照病險水庫除險加固(gu)的辦法,由國(guo)家出臺相關政(zheng)策(ce),如中央(yang)財政(zheng)補助(zhu)、稅收(shou)優惠和新電(dian)(dian)(dian)新價政(zheng)策(ce)等(deng),鼓勵投資流(liu)向老電(dian)(dian)(dian)站(zhan)技(ji)(ji)(ji)術改(gai)造(zao)(zao)。

2.3 加(jia)大(da)監(jian)(jian)督(du)和檢(jian)查(cha)力度。小水(shui)電行業(ye)主(zhu)管部(bu)門(men)應對各地老電站技(ji)術改造(zao)規劃(hua)、國(guo)家(jia)相關政策(ce)執行情況及國(guo)家(jia)財政資金使用(yong)情況加(jia)大(da)監(jian)(jian)督(du)和檢(jian)查(cha)力度,并(bing)會同地方行業(ye)主(zhu)管部(bu)門(men),組織有關專(zhuan)家(jia)及時對完成(cheng)技(ji)術改造(zao)后電站的運行效果進(jin)行評估和驗收(shou)。

2.4 加強人才(cai)培養和技(ji)術(shu)(shu)培訓。行(xing)業主管部門應(ying)采(cai)用多種形式加強小水電(dian)規(gui)劃、設計(ji)、施工(gong)和管理(li)人員的(de)(de)(de)技(ji)術(shu)(shu)培訓工(gong)作,切(qie)實引導先進(jin)(jin)的(de)(de)(de)規(gui)劃設計(ji)理(li)念、先進(jin)(jin)的(de)(de)(de)運行(xing)管理(li)方法以及先進(jin)(jin)實用的(de)(de)(de)新(xin)材料(liao)、新(xin)技(ji)術(shu)(shu)、新(xin)設備在小水電(dian)建設和管理(li)中的(de)(de)(de)應(ying)用。

3 改造效益

對近年(nian)來我縣(xian)的實(shi)踐(jian)表明,小水電(dian)站實(shi)施技術改造后社會、經濟和生態環境效益(yi)明顯,主(zhu)要體(ti)現在:

(1)顯(xian)著(zhu)的(de)社會效益。小水電(dian)(dian)站技術改造工程可(ke)大(da)大(da)提高(gao)電(dian)(dian)站運行的(de)安全可(ke)靠(kao)性,電(dian)(dian)站噪(zao)音明顯(xian)降低,職工勞(lao)動強度顯(xian)著(zhu)減輕生產條(tiao)件得到(dao)改善,從(cong)而更(geng)好(hao)地保障(zhang)職工的(de)身心健康和生命安全。

(2)顯著的(de)經濟效(xiao)(xiao)益(yi)。一般情況下(xia),技術改(gai)(gai)造(zao)后,機組(zu)的(de)能量(liang)(liang)轉換(huan)效(xiao)(xiao)率平均能提高15%左右,對于(yu)可(ke)實行增(zeng)容的(de)電(dian)站(zhan),發電(dian)量(liang)(liang)的(de)提高幅(fu)度(du)可(ke)更大(da),如對我縣老電(dian)站(zhan)全部進行技術改(gai)(gai)造(zao),相當于(yu)新增(zeng)2.5萬(wan)多(duo)kW裝(zhuang)機,每年可(ke)增(zeng)加(jia)發電(dian)量(liang)(liang)7500萬(wan)kwh。從而不僅使我縣有(you)限的(de)水電(dian)資(zi)源充分(fen)發揮作用,有(you)益(yi)于(yu)節約型社(she)會(hui)建設,而且具有(you)十分(fen)明(ming)顯的(de)經濟效(xiao)(xiao)益(yi)。

(3)顯著的(de)(de)生態(tai)(tai)效益。近年來(lai),水(shui)電(dian)(dian)開發受生態(tai)(tai)環(huan)境(jing)(jing)因素制約的(de)(de)情況(kuang)愈來(lai)愈嚴重(zhong),而老電(dian)(dian)站技(ji)術(shu)改(gai)造幾乎(hu)對生態(tai)(tai)環(huan)境(jing)(jing)沒有任何(he)破壞,如果引(yin)入“一體化設計”的(de)(de)新理念,反(fan)而會有利于(yu)生態(tai)(tai)環(huan)境(jing)(jing)的(de)(de)改(gai)善(shan)。

篇6

【關鍵(jian)詞】梯級電站(zhan)機組;優化調度;運行策略

近些年來,在社(she)會(hui)經(jing)濟和科學技(ji)術(shu)的快速發(fa)展背(bei)景(jing)下,先進科學技(ji)術(shu)的運用更為廣泛(fan)。結合電力的市場環境,采用適宜的競價(jia)對策,系統(tong)、全(quan)面地處理水電站機組(zu)的優化調度問題,確保水電站可(ke)以(yi)安全(quan)、可(ke)靠的提供用電,從而創造經(jing)濟效益,提升能源的應用效率。對于創建(jian)現代化社(she)會(hui)與和諧社(she)會(hui)有著(zhu)深遠意義。

1.梯級水電站機組的特點

梯(ti)級水電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)運(yun)營(ying)特(te)(te)(te)點包含三(san)個方面,首(shou)先是能量特(te)(te)(te)性(xing)(xing)(xing),也(ye)就是效率(lv)問題,其次是空化(hua)與空蝕(shi)特(te)(te)(te)性(xing)(xing)(xing),最后(hou)是電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)穩定(ding)(ding)性(xing)(xing)(xing)。對(dui)于效率(lv)特(te)(te)(te)性(xing)(xing)(xing)主要關系到水能的(de)(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)程(cheng)度(du),而(er)(er)空蝕(shi)與空化(hua)特(te)(te)(te)性(xing)(xing)(xing)之間關系到電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)運(yun)用(yong)壽(shou)命(ming),機(ji)(ji)(ji)組(zu)(zu)穩定(ding)(ding)性(xing)(xing)(xing)不(bu)但(dan)影(ying)(ying)響(xiang)著(zhu)(zhu)電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)運(yun)用(yong)壽(shou)命(ming),還(huan)影(ying)(ying)響(xiang)著(zhu)(zhu)機(ji)(ji)(ji)組(zu)(zu)和整個電(dian)(dian)站(zhan)(zhan)(zhan)的(de)(de)(de)(de)(de)(de)(de)(de)順利運(yun)營(ying)[1]。通常情況下,電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)效率(lv)特(te)(te)(te)點能夠反映出(chu)水電(dian)(dian)廠(chang)的(de)(de)(de)(de)(de)(de)(de)(de)具(ju)體動(dong)力(li)特(te)(te)(te)性(xing)(xing)(xing),其中動(dong)力(li)特(te)(te)(te)性(xing)(xing)(xing)直接決定(ding)(ding)著(zhu)(zhu)電(dian)(dian)網負荷的(de)(de)(de)(de)(de)(de)(de)(de)分配,所(suo)有(you)(you)對(dui)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)效率(lv)特(te)(te)(te)性(xing)(xing)(xing)進(jin)行研究,不(bu)但(dan)要對(dui)電(dian)(dian)廠(chang)的(de)(de)(de)(de)(de)(de)(de)(de)經(jing)濟運(yun)營(ying)官(guan)和電(dian)(dian)網的(de)(de)(de)(de)(de)(de)(de)(de)優化(hua)調度(du)有(you)(you)著(zhu)(zhu)深遠意(yi)義,還(huan)對(dui)水輪機(ji)(ji)(ji)有(you)(you)關特(te)(te)(te)性(xing)(xing)(xing),比如(ru)氣(qi)蝕(shi)與磨損特(te)(te)(te)性(xing)(xing)(xing)等具(ju)有(you)(you)參考價值。另外,對(dui)于水輪機(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)空化(hua)特(te)(te)(te)性(xing)(xing)(xing)研究可(ke)以確保電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)壽(shou)命(ming)與機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)安全(quan)(quan)運(yun)行。機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)穩定(ding)(ding)性(xing)(xing)(xing)可(ke)以反映出(chu)所(suo)有(you)(you)激震源對(dui)電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)安全(quan)(quan)、可(ke)靠運(yun)行的(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響(xiang),因此(ci)研究機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)穩定(ding)(ding)性(xing)(xing)(xing)可(ke)以技(ji)術發現裝(zhuang)置存在的(de)(de)(de)(de)(de)(de)(de)(de)缺陷,從而(er)(er)消除隱患,提(ti)升電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)安全(quan)(quan)、可(ke)靠性(xing)(xing)(xing)和應(ying)用(yong)壽(shou)命(ming),并未電(dian)(dian)站(zhan)(zhan)(zhan)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)設計(ji)、制造、安裝(zhuang)和運(yun)行等多個方面的(de)(de)(de)(de)(de)(de)(de)(de)完(wan)善提(ti)供先進(jin)的(de)(de)(de)(de)(de)(de)(de)(de)科學依(yi)據。

2.梯級電站機(ji)組的(de)優化調(diao)度研(yan)究

水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站的(de)(de)(de)(de)(de)(de)短期(qi)調(diao)(diao)(diao)(diao)度(du)(du)必須依(yi)據長期(qi)調(diao)(diao)(diao)(diao)度(du)(du)的(de)(de)(de)(de)(de)(de)時(shi)期(qi)對(dui)引(yin)用(yong)(yong)的(de)(de)(de)(de)(de)(de)流量(liang)(liang)相關需(xu)求,一(yi)般情況下(xia)每天(tian)(tian)(tian)的(de)(de)(de)(de)(de)(de)總水(shui)(shui)(shui)(shui)(shui)量(liang)(liang)是固定(ding)的(de)(de)(de)(de)(de)(de),因此(ci)梯級水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站一(yi)定(ding)要在依(yi)據以往的(de)(de)(de)(de)(de)(de)調(diao)(diao)(diao)(diao)度(du)(du)經(jing)驗在明確(que)(que)引(yin)用(yong)(yong)流量(liang)(liang)與(yu)發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)水(shui)(shui)(shui)(shui)(shui)頭(tou)的(de)(de)(de)(de)(de)(de)前提(ti)下(xia)實現(xian)發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)效益的(de)(de)(de)(de)(de)(de)最(zui)大化[2]。某省水(shui)(shui)(shui)(shui)(shui)庫在依(yi)據水(shui)(shui)(shui)(shui)(shui)庫的(de)(de)(de)(de)(de)(de)長期(qi)運營(ying)特點(dian)(dian)建立調(diao)(diao)(diao)(diao)度(du)(du)圖之后,可以明確(que)(que)其在每個(ge)季節的(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)位與(yu)調(diao)(diao)(diao)(diao)節流量(liang)(liang),并結合長期(qi)的(de)(de)(de)(de)(de)(de)優(you)(you)化調(diao)(diao)(diao)(diao)度(du)(du)結果明確(que)(que)初始狀(zhuang)態,選擇某個(ge)水(shui)(shui)(shui)(shui)(shui)文階段的(de)(de)(de)(de)(de)(de)一(yi)天(tian)(tian)(tian)當(dang)(dang)作(zuo)(zuo)研究(jiu)對(dui)象,同時(shi)給定(ding)水(shui)(shui)(shui)(shui)(shui)庫和(he)下(xia)游每一(yi)個(ge)水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站初始時(shi)刻的(de)(de)(de)(de)(de)(de)有關庫存水(shui)(shui)(shui)(shui)(shui)量(liang)(liang),當(dang)(dang)作(zuo)(zuo)全梯級的(de)(de)(de)(de)(de)(de)初始時(shi)蓄(xu)能(neng)狀(zhuang)態。依(yi)據有關水(shui)(shui)(shui)(shui)(shui)文資(zi)料,對(dui)一(yi)天(tian)(tian)(tian)之內的(de)(de)(de)(de)(de)(de)上游來流與(yu)區(qu)(qu)(qu)間的(de)(de)(de)(de)(de)(de)入流進行模(mo)擬,完(wan)成梯級水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站的(de)(de)(de)(de)(de)(de)長期(qi)優(you)(you)化調(diao)(diao)(diao)(diao)度(du)(du)的(de)(de)(de)(de)(de)(de)計算。對(dui)于水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站的(de)(de)(de)(de)(de)(de)優(you)(you)化目標,本(ben)文是在市場經(jing)濟(ji)背景下(xia),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)當(dang)(dang)作(zuo)(zuo)指導(dao)商(shang)(shang)品的(de)(de)(de)(de)(de)(de)生產與(yu)消費(fei)的(de)(de)(de)(de)(de)(de)主要指標。因此(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)一(yi)定(ding)要滿足電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)產業的(de)(de)(de)(de)(de)(de)簡(jian)單再身纏與(yu)擴大再生產的(de)(de)(de)(de)(de)(de)相關需(xu)求。與(yu)此(ci)同時(shi),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)不可超(chao)出用(yong)(yong)戶的(de)(de)(de)(de)(de)(de)心理買(mai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)需(xu)要付出的(de)(de)(de)(de)(de)(de)價(jia)(jia)(jia)格(ge)。通(tong)常情況下(xia),價(jia)(jia)(jia)格(ge)是由賣方與(yu)買(mai)方經(jing)過自由競(jing)爭(zheng)實現(xian)供(gong)求平衡(heng)決定(ding)的(de)(de)(de)(de)(de)(de),經(jing)過市場的(de)(de)(de)(de)(de)(de)競(jing)爭(zheng)體系,商(shang)(shang)品的(de)(de)(de)(de)(de)(de)價(jia)(jia)(jia)格(ge)會(hui)(hui)更為(wei)合理。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)作(zuo)(zuo)為(wei)一(yi)項特殊產品,具有供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)、售(shou)點(dian)(dian)的(de)(de)(de)(de)(de)(de)地區(qu)(qu)(qu)性(xing)、壟斷性(xing)及運用(yong)(yong)的(de)(de)(de)(de)(de)(de)同時(shi)性(xing)。因此(ci)這些特點(dian)(dian)導(dao)致(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)控制(zhi)和(he)普通(tong)商(shang)(shang)品不同。如果電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)超(chao)出企業承受能(neng)力(li)的(de)(de)(de)(de)(de)(de)范圍時(shi),用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)(liang)就會(hui)(hui)明顯(xian)降低。其在現(xian)實中已(yi)直接影(ying)響(xiang)著高耗(hao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)企業的(de)(de)(de)(de)(de)(de)發展地區(qu)(qu)(qu)分布與(yu)現(xian)有布局[3]。另外,高耗(hao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)企業一(yi)定(ding)會(hui)(hui)從電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)高的(de)(de)(de)(de)(de)(de)區(qu)(qu)(qu)域轉移至(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)相對(dui)較(jiao)低的(de)(de)(de)(de)(de)(de)區(qu)(qu)(qu)域,導(dao)致(zhi)各個(ge)區(qu)(qu)(qu)域的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)需(xu)求發展格(ge)局出現(xian)明顯(xian)變化。當(dang)(dang)前,在廠網(wang)(wang)分開與(yu)競(jing)價(jia)(jia)(jia)上網(wang)(wang)的(de)(de)(de)(de)(de)(de)背景下(xia),制(zhi)定(ding)合理的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)體系已(yi)經(jing)越來越重要。國內許多地方已(yi)落實了分時(shi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)市場形勢,執(zhi)行豐、枯與(yu)峰(feng)、谷(gu)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)(jia)(jia)。

3.梯級(ji)電站機組的運營策(ce)略研究

水電(dian)交易結(jie)算方式與水電(dian)結(jie)算報價(jia)策略。

針對(dui)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)情況(kuang)(kuang),在網上競(jing)價(jia)過(guo)程(cheng)中(zhong)必(bi)須綜合考慮自身(shen)特性。首先是(shi)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)建設的(de)(de)(de)(de)(de)(de)投資(zi)相(xiang)(xiang)對(dui)較大,且運行費(fei)用(yong)(yong)比較熟啊(a),也就是(shi)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)固定(ding)成本(ben)比較高,而(er)變動的(de)(de)(de)(de)(de)(de)成本(ben)比較低。其(qi)次是(shi)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)主要依(yi)靠水(shui)(shui)(shui)力進(jin)行發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),其(qi)中(zhong)氣候(hou)等因素直接影響著(zhu)來水(shui)(shui)(shui)量(liang),也就是(shi)說電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)是(shi)受限(xian)制的(de)(de)(de)(de)(de)(de)。在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力市場的(de)(de)(de)(de)(de)(de)競(jing)爭體(ti)系背景下(xia),要想(xiang)實(shi)現系統(tong)購電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)費(fei)用(yong)(yong)最(zui)小(xiao)目標,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力的(de)(de)(de)(de)(de)(de)競(jing)價(jia)需要一個討價(jia)與還價(jia)的(de)(de)(de)(de)(de)(de)過(guo)程(cheng)。首先,水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系統(tong)與火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系統(tong)在明(ming)(ming)確(que)(que)周(zhou)期之內可(ke)(ke)以發(fa)(fa)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)過(guo)后(hou),通過(guo)系統(tong)的(de)(de)(de)(de)(de)(de)搓和(he),同時在充分(fen)應用(yong)(yong)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)前提下(xia),確(que)(que)定(ding)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)格。其(qi)次,在確(que)(que)定(ding)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)格過(guo)后(hou),水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系統(tong)可(ke)(ke)以完(wan)成自身(shen)的(de)(de)(de)(de)(de)(de)運營優化,從而(er)設計(ji)最(zui)理想(xiang)的(de)(de)(de)(de)(de)(de)放水(shui)(shui)(shui)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)。上述是(shi)競(jing)價(jia)的(de)(de)(de)(de)(de)(de)相(xiang)(xiang)關(guan)(guan)步(bu)驟,通過(guo)研究可(ke)(ke)以總結出兩(liang)種(zhong)對(dui)策。一方面是(shi)在明(ming)(ming)確(que)(que)周(zhou)期內的(de)(de)(de)(de)(de)(de)每(mei)個時段(duan)(duan),各個水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站機(ji)組的(de)(de)(de)(de)(de)(de)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)過(guo)后(hou),依(yi)據(ju)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)盡可(ke)(ke)能減小(xiao)峰荷的(de)(de)(de)(de)(de)(de)規則,試(shi)探性明(ming)(ming)確(que)(que)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站的(de)(de)(de)(de)(de)(de)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)工作時間(jian)與各個時間(jian)段(duan)(duan)的(de)(de)(de)(de)(de)(de)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia),同時利用(yong)(yong)等值火電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)中(zhong)當(dang)(dang)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)當(dang)(dang)作評估依(yi)據(ju)。另一方面是(shi)在明(ming)(ming)確(que)(que)周(zhou)內各個時間(jian)段(duan)(duan)的(de)(de)(de)(de)(de)(de)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)與報價(jia)過(guo)后(hou),直接和(he)市場上其(qi)他有關(guan)(guan)機(ji)組完(wan)成價(jia)格與最(zui)優的(de)(de)(de)(de)(de)(de)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位置進(jin)行博弈(yi)。在博弈(yi)過(guo)程(cheng)中(zhong)必(bi)須充分(fen)考慮水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站機(ji)組的(de)(de)(de)(de)(de)(de)本(ben)身(shen)水(shui)(shui)(shui)庫(ku)調度情況(kuang)(kuang)與水(shui)(shui)(shui)利特點(dian)等相(xiang)(xiang)關(guan)(guan)約束與最(zui)優化。

為了(le)可以(yi)確(que)保(bao)電力(li)(li)(li)系統(tong)的(de)(de)(de)(de)(de)可靠、安全(quan)運行(xing)(xing)及電力(li)(li)(li)的(de)(de)(de)(de)(de)質量(liang)(liang),一定要確(que)保(bao)電網鋪設的(de)(de)(de)(de)(de)服務能力(li)(li)(li),包含黑(hei)啟動、調峰和(he)調頻(pin)及無(wu)功調整(zheng)等(deng)等(deng)。而在電力(li)(li)(li)的(de)(de)(de)(de)(de)交(jiao)易中(zhong)(zhong)心完(wan)成搓(cuo)和(he)交(jiao)易過(guo)程(cheng)中(zhong)(zhong),必(bi)須(xu)完(wan)成網絡的(de)(de)(de)(de)(de)安全(quan)運營校核。一旦(dan)依據初期(qi)的(de)(de)(de)(de)(de)搓(cuo)和(he)交(jiao)易相(xiang)關結果,網絡中(zhong)(zhong)的(de)(de)(de)(de)(de)部(bu)分節點就會發生阻塞,必(bi)須(xu)對分區(qu)的(de)(de)(de)(de)(de)搓(cuo)和(he)進(jin)行(xing)(xing)調整(zheng),將阻塞的(de)(de)(de)(de)(de)節點當作界線(xian)。其中(zhong)(zhong)負(fu)荷量(liang)(liang)相(xiang)對比較高(gao)的(de)(de)(de)(de)(de)區(qu)域的(de)(de)(de)(de)(de)發電量(liang)(liang)一定要增(zeng)加(jia),而市場的(de)(de)(de)(de)(de)出(chu)清價格(ge)要提升。而負(fu)荷相(xiang)對較低(di)地區(qu)的(de)(de)(de)(de)(de)發電量(liang)(liang)需要進(jin)行(xing)(xing)調整(zheng),市場的(de)(de)(de)(de)(de)出(chu)清價格(ge)要降低(di)[4]。因此(ci),在水(shui)電站機組的(de)(de)(de)(de)(de)報(bao)價過(guo)程(cheng)中(zhong)(zhong),必(bi)須(xu)綜(zong)合考慮各個機組的(de)(de)(de)(de)(de)出(chu)線(xian)地區(qu)的(de)(de)(de)(de)(de)網絡安全(quan)及約束問題。

4.結束語

從世(shi)界的(de)(de)(de)發(fa)(fa)展(zhan)情(qing)況來看(kan),電(dian)(dian)力(li)的(de)(de)(de)市場(chang)(chang)化是(shi)必然的(de)(de)(de)。而(er)電(dian)(dian)力(li)的(de)(de)(de)市場(chang)(chang)化主(zhu)要(yao)是(shi)把電(dian)(dian)力(li)企(qi)業(ye)(ye)歸屬到市場(chang)(chang)經濟(ji)體系中,經過市場(chang)(chang)的(de)(de)(de)資源競爭(zheng),提升(sheng)電(dian)(dian)力(li)的(de)(de)(de)生產效率,確保電(dian)(dian)價的(de)(de)(de)公(gong)開(kai)、公(gong)平(ping)與合理,推(tui)動電(dian)(dian)力(li)企(qi)業(ye)(ye)的(de)(de)(de)可持(chi)續(xu)發(fa)(fa)展(zhan),提升(sheng)供電(dian)(dian)質量,進而(er)提升(sheng)社會(hui)經濟(ji)效益。

【參考文獻】

[1]宗航(hang),周建中(zhong),張勇(yong)傳.POA 改進算(suan)法(fa)在(zai)梯級電站優(you)化調度中(zhong)的研究和(he)應用[J].計算(suan)機工程(cheng),2013,29(17):105-109.

[2]梅(mei)亞東,朱教新.黃河上游梯(ti)級水電站短期(qi)優化調(diao)度模型及迭(die)代解法(fa)[J].水力(li)發電學報,2010,69(2):1-7.

篇7

項目(mu)(mu)后(hou)(hou)評(ping)價是水電站(zhan)基本建設程序(xu)中(zhong)的(de)一個重要階(jie)段(duan),是對項目(mu)(mu)決(jue)策(ce)(ce)、實施、運行等各階(jie)段(duan)工(gong)(gong)作通過全面系統的(de)調查和客觀的(de)對比分析(xi)、總結(jie)并進行的(de)綜(zong)合(he)評(ping)價。其目(mu)(mu)的(de)是通過工(gong)(gong)程項目(mu)(mu)的(de)后(hou)(hou)評(ping)價,總結(jie)經驗,汲取教訓(xun),不斷提(ti)高項目(mu)(mu)決(jue)策(ce)(ce)、工(gong)(gong)程實施和運營管(guan)理(li)水平,為合(he)理(li)利用資(zi)金,提(ti)高投資(zi)效(xiao)益,改進管(guan)理(li),制定相(xiang)關政策(ce)(ce)等提(ti)供科學依(yi)據。

筆者根據在水(shui)電(dian)站(zhan)規劃、建設、運(yun)營中的工(gong)作經(jing)驗,結合實(shi)際開(kai)展工(gong)作,就(jiu)水(shui)電(dian)站(zhan)項目后評價中的利(li)率、移民征(zheng)地安(an)置補(bu)償、電(dian)價等(deng)因素進(jin)行(xing)梳理,對(dui)工(gong)程投資與生產運(yun)營環(huan)節的關(guan)鍵要點(dian)進(jin)行(xing)分析,為相(xiang)關(guan)電(dian)站(zhan)投資決策提(ti)供幫助,促進(jin)投資者科(ke)學分析,規避風險(xian)。

1利率因素

水(shui)電站投資較大(da),工(gong)期(qi)較長,工(gong)程概算中(zhong)利(li)(li)息(xi)(xi)支(zhi)出(chu)約(yue)占總(zong)投資的(de)(de)10%左右,控制好貸(dai)款利(li)(li)率(lv)水(shui)平是(shi)控制總(zong)投資的(de)(de)關鍵(jian)。工(gong)程建設期(qi)的(de)(de)貸(dai)款利(li)(li)息(xi)(xi)依據資金流、資本金平均投入,按(an)照年利(li)(li)率(lv)的(de)(de)復利(li)(li)進行(xing)測(ce)算。建設期(qi)內(nei)人民(min)銀行(xing)五年以(yi)上的(de)(de)中(zhong)長期(qi)貸(dai)款年利(li)(li)率(lv)一(yi)般都(dou)有(you)相應的(de)(de)調息(xi)(xi)政策,為科學(xue)合理(li)地預(yu)測(ce)利(li)(li)息(xi)(xi)支(zhi)出(chu),水(shui)電站項目的(de)(de)投資者對于利(li)(li)率(lv)的(de)(de)預(yu)測(ce)要考慮到(dao)以(yi)下的(de)(de)因素:

1.1分年度的(de)項(xiang)(xiang)目(mu)投資計(ji)劃表(biao)是確(que)保(bao)利息(xi)合(he)理支出(chu)的(de)基(ji)礎,同時在項(xiang)(xiang)目(mu)建設的(de)過(guo)程中,通(tong)過(guo)運用有(you)效(xiao)的(de)合(he)同約束條(tiao)款對工程款、物(wu)資設備(bei)款進行有(you)步驟地支付,可以(yi)確(que)保(bao)年度資金計(ji)劃的(de)準確(que)性。

1.2項目(mu)貸(dai)款合(he)同的簽訂建議采用隨人民銀(yin)行公布的中長期貸(dai)款利(li)率。因(yin)為水電站(zhan)(zhan)的建設工期一般較長,3-5年以上,而業主(zhu)單位對于國際(ji)經濟態(tai)勢、國內(nei)貨幣政策的把(ba)握不準,簽訂這種浮動的利(li)率約(yue)定合(he)同,可以對水電站(zhan)(zhan)投(tou)資(zi)的資(zi)金總成本進行控制。

1.3在水電站的(de)實際(ji)建設中,業(ye)主(zhu)單位應根據(ju)項目特性靈活運用政(zheng)策性銀(yin)行的(de)技援搭(da)橋(qiao)貸款(kuan)(kuan),中國農業(ye)銀(yin)行的(de)扶貧(pin)貸款(kuan)(kuan)資金(jin)以(yi)及(ji)商業(ye)銀(yin)行等(deng)金(jin)融(rong)(rong)機構的(de)銀(yin)行兌(dui)匯票、協定存款(kuan)(kuan)帳戶等(deng)金(jin)融(rong)(rong)工具,從而(er)節約(yue)利息支出。

2移民征地安置補償(chang)因(yin)素

移民工作(zuo)在(zai)水電站的(de)(de)建設中一(yi)直是(shi)一(yi)個特殊(shu)而(er)敏感的(de)(de)話題,特別是(shi)水庫(ku)淹沒的(de)(de)投資(zi)概(gai)算(suan)(suan)政(zheng)(zheng)策(ce)性強(qiang),參照(zhao)設計規(gui)范(fan)審查通過的(de)(de)補償(chang)范(fan)圍(wei)、基(ji)數、標(biao)(biao)準等往往與安置實施實際(ji)執行存在(zai)偏差(cha)。這主要是(shi)因為淹沒區域的(de)(de)地方(fang)(fang)政(zheng)(zheng)府根據經濟發展(zhan)水平逐(zhu)年公布的(de)(de)補償(chang)標(biao)(biao)準文件(jian)與設計規(gui)范(fan)存在(zai)較大差(cha)異,對于土地的(de)(de)分類、林地和(he)未(wei)利用地的(de)(de)補償(chang)方(fang)(fang)式(shi)都不相同(tong)。所以,借鑒(jian)同(tong)時期(qi)水電站的(de)(de)實際(ji)補償(chang)范(fan)圍(wei)、倍(bei)數對移民投資(zi)概(gai)算(suan)(suan)進行修(xiu)正才能滿足實際(ji)移民工作(zuo)需求,確保(bao)工程進度未(wei)因移民工作(zuo)受(shou)阻(zu)。

3電價因素

上(shang)網(wang)電價(jia)是制約水電站效益的(de)關鍵因素(su)。在目前的(de)電價(jia)申報與核準體制下,各(ge)地省市物價(jia)局、電網(wang)公司(si)、發電企業(ye)根(gen)據當地的(de)經(jing)濟發展(zhan)水平與上(shang)網(wang)電價(jia)承受能力存在博弈。物價(jia)局在核定上(shang)網(wang)電價(jia)時,通常(chang)會(hui)根(gen)據某個電站的(de)總投資、庫容、裝機規模、發電量和(he)一系列的(de)社會(hui)平均成(cheng)本來(lai)反推(tui)其上(shang)網(wang)電價(jia)。在水電站投資決策中,對于(yu)新電站推(tui)算的(de)上(shang)網(wang)電價(jia)一定要參(can)照近期實際的(de)上(shang)網(wang)平均電價(jia),來(lai)測算投資回收(shou)期。

目前設計單位(wei)編寫(xie)的(de)水電(dian)站可行(xing)性研究報(bao)告,測算(suan)的(de)上網(wang)電(dian)價(jia)(jia)(jia)通常為不含稅(shui)電(dian)價(jia)(jia)(jia),而物(wu)價(jia)(jia)(jia)局(ju)批準的(de)為含稅(shui)上網(wang)電(dian)價(jia)(jia)(jia)。這往往在(zai)項(xiang)目評估決策時容易被忽視(shi)(shi),特(te)別(bie)需要引起水電(dian)站投(tou)資者(zhe)的(de)重視(shi)(shi),需對評估電(dian)價(jia)(jia)(jia)進(jin)行(xing)同口徑還原(yuan),提供真(zhen)實的(de)決策依(yi)據。

一(yi)般電(dian)(dian)站(zhan)在(zai)(zai)投(tou)運(yun)初期都很(hen)少能獲得設計(ji)平均電(dian)(dian)價,所(suo)以(yi)運(yun)營(ying)(ying)初期多為虧損,這與可研(yan)報告中的(de)(de)25年經營(ying)(ying)效益的(de)(de)平均推(tui)算又存(cun)在(zai)(zai)偏差(cha)。水電(dian)(dian)站(zhan)多作(zuo)為電(dian)(dian)網的(de)(de)主力調(diao)峰(feng)電(dian)(dian)站(zhan)承(cheng)擔了重大的(de)(de)調(diao)峰(feng)、調(diao)頻(pin)(pin)任務,因(yin)此無功、空轉較多。但是因(yin)電(dian)(dian)網調(diao)峰(feng)、調(diao)頻(pin)(pin)的(de)(de)補(bu)償方案一(yi)直(zhi)未正式出(chu)臺執行,所(suo)以(yi)無法在(zai)(zai)上網電(dian)(dian)費上得到補(bu)償。

作為經營者,必須要有足夠的(de)(de)現金流來(lai)就(jiu)應對這種差(cha)異。隨著電價的(de)(de)穩步增長,經濟效益會越(yue)來(lai)越(yue)好(hao),來(lai)平(ping)衡投(tou)運前期的(de)(de)虧(kui)損,綜合多年(nian)的(de)(de)經濟效益。

4水資源費(fei)和庫區(qu)維護費(fei)

在(zai)水(shui)電站(zhan)的經濟評價中(zhong),總成本費(fei)(fei)(fei)用(yong)主要考慮了折舊費(fei)(fei)(fei)、修理(li)費(fei)(fei)(fei)、工(gong)程(cheng)保險費(fei)(fei)(fei)、職工(gong)工(gong)資及福利費(fei)(fei)(fei)、勞保統籌和(he)住房公積(ji)金(jin)(jin)、材料費(fei)(fei)(fei)、庫區維護費(fei)(fei)(fei)和(he)移民后(hou)期扶持基金(jin)(jin)、利息支出及其它(ta)費(fei)(fei)(fei)用(yong)。庫區維護費(fei)(fei)(fei)多按(an)(an)廠供電量0.001元(yuan)(yuan)/千瓦時計算,移民后(hou)期扶持基金(jin)(jin)從(cong)工(gong)程(cheng)竣工(gong)后(hou)開始按(an)(an)400元(yuan)(yuan)/人.年提取,共提取10年,水(shui)資源費(fei)(fei)(fei)是暫未考慮的。

而(er)筆者(zhe)參與的(de)幾個水(shui)電站從投產以(yi)來,水(shui)資源費(fei)的(de)開征從0.001元/千瓦(wa)時目(mu)前逐步提高(gao)到(dao)0.008元/千瓦(wa)時,而(er)且還有上(shang)漲趨勢。根據《中華人民共(gong)和(he)國(guo)水(shui)法》、各省(sheng)市的(de)水(shui)資源管(guan)理條(tiao)例(li)、取(qu)水(shui)許可和(he)水(shui)資源費(fei)征收管(guan)理辦法規(gui)定??,?凡利用取(qu)水(shui)工程或者(zhe)設施(shi)直接(jie)從江河(he)(溪流)、湖泊或者(zhe)地下水(shui)取(qu)用水(shui)資源的(de)單位和(he)個人,應按照(zhao)有關(guan)規(gui)定繳納水(shui)資源費(fei)。

財綜〔2007〕26號《大中型水(shui)(shui)庫(ku)(ku)庫(ku)(ku)區(qu)基(ji)金(jin)(jin)征(zheng)收(shou)(shou)使用管(guan)理暫行辦法(fa)》規(gui)定,庫(ku)(ku)區(qu)基(ji)金(jin)(jin)從自有發(fa)電(dian)收(shou)(shou)入(ru)(ru)的(de)大中型水(shui)(shui)庫(ku)(ku)發(fa)電(dian)收(shou)(shou)入(ru)(ru)中籌集,根據水(shui)(shui)庫(ku)(ku)實際上網銷售電(dian)量,按不高(gao)于8厘/千瓦(wa)時的(de)標準(zhun)征(zheng)收(shou)(shou)。庫(ku)(ku)區(qu)基(ji)金(jin)(jin)屬于政(zheng)府性基(ji)金(jin)(jin),實行分省統籌,納入(ru)(ru)財政(zheng)預算,實行“收(shou)(shou)支兩條線”管(guan)理。其(qi)中,省級轄區(qu)內大中型水(shui)(shui)庫(ku)(ku)的(de)庫(ku)(ku)區(qu)基(ji)金(jin)(jin),由省級財政(zheng)部門負(fu)責(ze)征(zheng)收(shou)(shou);各省市庫(ku)(ku)區(qu)維護費(fei)標準(zhun)多按廠(chang)供電(dian)量0.008元/千瓦(wa)時征(zheng)收(shou)(shou)。投(tou)資(zi)概算中按廠(chang)供電(dian)量0.001元/千瓦(wa)時計算明顯偏低。

鑒于(yu)水資源費和庫區維護費密切與上網(wang)電量掛鉤,對于(yu)新電站的(de)效益分析都應(ying)考慮到這(zhe)些政策(ce)性因素調(diao)整的(de)差異,目前每千瓦(wa)時(shi)0.15元的(de)固定成本壓(ya)力是經營(ying)者(zhe)必(bi)須自行(xing)消化的(de)。

5土地使用稅(shui)和房產稅(shui)

在經(jing)濟評價中(zhong),土地使(shi)用稅和房(fang)產稅都(dou)未列入成本。根據項目后(hou)評價分(fen)析,這兩者因素影響(xiang)較(jiao)大,應在投資決(jue)策中(zhong)單列分(fen)析。

水電站由(you)于占地(di)面積廣,加上國家對土(tu)(tu)地(di)稀(xi)缺資源的調控(kong),且城鎮土(tu)(tu)地(di)使用(yong)稅(shui)等級稅(shui)額標準(zhun)呈增長(chang)趨勢,所(suo)以土(tu)(tu)地(di)使用(yong)稅(shui)是經營中(zhong)一個不容忽視的稅(shui)金。

根據[89]國(guo)稅(shui)(shui)(shui)地(di)(di)(di)字(zi)第(di)(di)013號文(wen)(wen)件《國(guo)家稅(shui)(shui)(shui)務(wu)局(ju)對關(guan)(guan)于電力(li)行業征免(mian)(mian)土(tu)(tu)地(di)(di)(di)使(shi)用(yong)稅(shui)(shui)(shui)問題的(de)(de)(de)規(gui)(gui)定(ding)》及(ji)(ji)[89]國(guo)稅(shui)(shui)(shui)地(di)(di)(di)字(zi)第(di)(di)044號文(wen)(wen)件《國(guo)家稅(shui)(shui)(shui)務(wu)局(ju)對<關(guan)(guan)于請(qing)求再次(ci)明確電力(li)行業土(tu)(tu)地(di)(di)(di)使(shi)用(yong)稅(shui)(shui)(shui)征免(mian)(mian)范圍(wei)問題的(de)(de)(de)函>的(de)(de)(de)復函》,國(guo)稅(shui)(shui)(shui)地(di)(di)(di)字(zi)[1989]第(di)(di)140號文(wen)(wen)件國(guo)家稅(shui)(shui)(shui)務(wu)局(ju)關(guan)(guan)于印發《關(guan)(guan)于土(tu)(tu)地(di)(di)(di)稅(shui)(shui)(shui)若干具體(ti)問題的(de)(de)(de)補充規(gui)(gui)定(ding)》的(de)(de)(de)文(wen)(wen)件精神(shen),對水庫庫區(qu)用(yong)地(di)(di)(di),免(mian)(mian)征土(tu)(tu)地(di)(di)(di)使(shi)用(yong)稅(shui)(shui)(shui);對企業范圍(wei)內的(de)(de)(de)荒山(shan)、林地(di)(di)(di)、湖泊等占地(di)(di)(di),尚未(wei)利用(yong)的(de)(de)(de),經(jing)各省、自治區(qu)、直(zhi)轄(xia)市地(di)(di)(di)方(fang)稅(shui)(shui)(shui)務(wu)局(ju)審批(pi),可暫(zan)免(mian)(mian)征收(shou)城鎮(zhen)土(tu)(tu)地(di)(di)(di)使(shi)用(yong)稅(shui)(shui)(shui)。但(dan)壩區(qu)征收(shou)土(tu)(tu)地(di)(di)(di)使(shi)用(yong)稅(shui)(shui)(shui)是不能減免(mian)(mian)的(de)(de)(de),壩區(qu)的(de)(de)(de)涉稅(shui)(shui)(shui)面積也較大(da),稅(shui)(shui)(shui)額標(biao)準高,這部(bu)分稅(shui)(shui)(shui)金在經(jing)濟評價中都未(wei)涉及(ji)(ji),但(dan)在電站運營期是需按年繳納的(de)(de)(de)。

從(cong)(cong)2006年(nian)1月起,根(gen)據財(cai)(cai)政部、國家(jia)稅(shui)務總局關(guan)于具備房屋功能(neng)的(de)(de)(de)地(di)下(xia)(xia)(xia)建(jian)筑征收房產(chan)(chan)稅(shui)的(de)(de)(de)通知,凡在房產(chan)(chan)稅(shui)征收范(fan)圍內(nei)的(de)(de)(de)具備房屋功能(neng)的(de)(de)(de)地(di)下(xia)(xia)(xia)建(jian)筑,包括與地(di)上房屋相連的(de)(de)(de)地(di)下(xia)(xia)(xia)建(jian)筑以及(ji)完(wan)全(quan)建(jian)在地(di)面(mian)以下(xia)(xia)(xia)建(jian)筑、地(di)下(xia)(xia)(xia)人防設施等,均應(ying)當依照有(you)關(guan)規定征收房產(chan)(chan)稅(shui)。水電(dian)站的(de)(de)(de)地(di)下(xia)(xia)(xia)廠(chang)房都(dou)納(na)入了房產(chan)(chan)稅(shui)的(de)(de)(de)征收范(fan)圍。雖然業內(nei)一直對(dui)水電(dian)站的(de)(de)(de)地(di)下(xia)(xia)(xia)廠(chang)房征收房產(chan)(chan)稅(shui)有(you)異議,無論是從(cong)(cong)地(di)下(xia)(xia)(xia)廠(chang)房工(gong)程(cheng)結(jie)構特點(結(jie)構形態、施工(gong)組織、投資造(zao)價(jia)、功能(neng)形態),水電(dian)站臨時工(gong)程(cheng)費用的(de)(de)(de)分攤還(huan)是從(cong)(cong)國家(jia)的(de)(de)(de)能(neng)源政策、清潔能(neng)源的(de)(de)(de)長遠發(fa)展、水電(dian)產(chan)(chan)業的(de)(de)(de)政策導向(xiang)來看(kan)都(dou)不(bu)適宜,但是財(cai)(cai)稅(shui)[2005]181號的(de)(de)(de)要求(qiu)從(cong)(cong)2006年(nian)1月起已經執行。對(dui)于造(zao)價(jia)較(jiao)高的(de)(de)(de)地(di)下(xia)(xia)(xia)廠(chang)房和(he)綜合辦公樓等都(dou)應(ying)計算繳納(na)房產(chan)(chan)稅(shui)。

6流域水情分析

來(lai)水(shui)量、發(fa)電(dian)用水(shui)量與發(fa)電(dian)量之間(jian)的(de)(de)相(xiang)(xiang)關性(xing)(xing)密(mi)切,相(xiang)(xiang)關密(mi)切程度高(gao),充分體現了(le)水(shui)電(dian)“以(yi)水(shui)定電(dian)”的(de)(de)特性(xing)(xing)。從電(dian)站運行結果來(lai)看,來(lai)水(shui)量是制(zhi)約電(dian)站發(fa)電(dian)及(ji)經濟效(xiao)益(yi)最(zui)根(gen)本(ben)的(de)(de)因素.所以(yi)投資(zi)前(qian)的(de)(de)水(shui)情與水(shui)情資(zi)料(liao)的(de)(de)收集(ji)、分析相(xiang)(xiang)當重要。

水(shui)(shui)電站(zhan)(zhan)水(shui)(shui)情自(zi)動測(ce)報系(xi)統的(de)水(shui)(shui)文(wen)氣(qi)象情報站(zhan)(zhan)網站(zhan)(zhan)所進行的(de)水(shui)(shui)文(wen)氣(qi)象要素觀測(ce)項目包(bao)括(kuo):雨量、水(shui)(shui)位(wei)、流量等。從(cong)流域(yu)洪(hong)水(shui)(shui)特點及傳播(bo)時間可(ke)(ke)以(yi)看出:要充分利(li)用電站(zhan)(zhan)洪(hong)水(shui)(shui)預(yu)報系(xi)統提供(gong)短(duan)期(qi)預(yu)報的(de)水(shui)(shui)情信息,提前1-2天預(yu)知每(mei)一次洪(hong)水(shui)(shui)過程。即便在電站(zhan)(zhan)洪(hong)水(shui)(shui)預(yu)報系(xi)統失靈,也(ye)可(ke)(ke)充分發揮水(shui)(shui)文(wen)站(zhan)(zhan)的(de)作用,人工點繪洪(hong)水(shui)(shui)過程線(xian),也(ye)可(ke)(ke)提前5-7小時預(yu)知洪(hong)峰到(dao)達(da)壩前時間和(he)可(ke)(ke)能(neng)的(de)入庫洪(hong)量。

因(yin)此(ci),在洪水(shui)(shui)(shui)(shui)(shui)起漲階(jie)(jie)段,結(jie)合壩前實(shi)際運(yun)行(xing)(xing)水(shui)(shui)(shui)(shui)(shui)位(wei)(wei),推(tui)(tui)算本(ben)次洪水(shui)(shui)(shui)(shui)(shui)可能出現(xian)的(de)最高壩前水(shui)(shui)(shui)(shui)(shui)位(wei)(wei),若推(tui)(tui)算造成(cheng)(cheng)棄(qi)水(shui)(shui)(shui)(shui)(shui),可提前與調(diao)度溝通協調(diao),加大(da)機(ji)組(zu)出力運(yun)行(xing)(xing),提前騰出庫容,調(diao)蓄(xu)洪水(shui)(shui)(shui)(shui)(shui),避免造成(cheng)(cheng)過多的(de)棄(qi)水(shui)(shui)(shui)(shui)(shui)或不棄(qi)水(shui)(shui)(shui)(shui)(shui)。在洪水(shui)(shui)(shui)(shui)(shui)退水(shui)(shui)(shui)(shui)(shui)階(jie)(jie)段,把握好蓄(xu)水(shui)(shui)(shui)(shui)(shui)時(shi)機(ji),及時(shi)攔(lan)蓄(xu)尾洪,力爭將(jiang)水(shui)(shui)(shui)(shui)(shui)庫蓄(xu)至(zhi)較(jiao)高水(shui)(shui)(shui)(shui)(shui)位(wei)(wei),提高水(shui)(shui)(shui)(shui)(shui)能利用率、增發(fa)電(dian)量。超(chao)級秘書網

7結束語

重視項目經濟(ji)后(hou)評價工(gong)作(zuo),規(gui)范管(guan)理流程(cheng)

各項目(mu)(mu)(mu)建(jian)設單(dan)位必須高(gao)(gao)度重視項目(mu)(mu)(mu)經濟(ji)后評價工作(zuo),并不是(shi)電(dian)(dian)站(zhan)(zhan)正常(chang)發(fa)電(dian)(dian)交付使用,竣工決算歸檔后項目(mu)(mu)(mu)建(jian)設就終結(jie),而(er)要在(zai)統(tong)一的指導下進行系統(tong)性(xing)(xing)地項目(mu)(mu)(mu)經濟(ji)后評價工作(zuo)。將此項工作(zuo)納入項目(mu)(mu)(mu)建(jian)設管(guan)理(li)的常(chang)規(gui)性(xing)(xing)步驟。為有效地節省(sheng)評估(gu)成本和時間,對(dui)于(yu)水電(dian)(dian)站(zhan)(zhan)這種建(jian)設周(zhou)期相(xiang)對(dui)較長的工程,可以在(zai)階段性(xing)(xing)地進程中引(yin)入后評估(gu)工作(zuo),納入項目(mu)(mu)(mu)管(guan)理(li)的日常(chang)工作(zuo)任務。為電(dian)(dian)站(zhan)(zhan)的經濟(ji)可行性(xing)(xing)提高(gao)(gao)更可靠的保證。

注重項目后評估結果的反饋應(ying)用

項(xiang)(xiang)(xiang)目(mu)(mu)經濟后評(ping)(ping)價發(fa)揮(hui)作用的(de)(de)(de)關鍵在(zai)于所總結的(de)(de)(de)經驗教訓在(zai)新立項(xiang)(xiang)(xiang)項(xiang)(xiang)(xiang)目(mu)(mu)投資的(de)(de)(de)決策、項(xiang)(xiang)(xiang)目(mu)(mu)設計(ji)、建設管理(li)等(deng)過(guo)程(cheng)中被采納和(he)應(ying)(ying)用的(de)(de)(de)效果。遇到類似的(de)(de)(de)、同(tong)規(gui)模、同(tong)區域、同(tong)特性的(de)(de)(de)在(zai)建項(xiang)(xiang)(xiang)目(mu)(mu)是否(fou)可以(yi)(yi)將(jiang)后評(ping)(ping)估(gu)(gu)(gu)結論中差異(yi)較大(da)的(de)(de)(de)項(xiang)(xiang)(xiang)目(mu)(mu)進(jin)行(xing)修(xiu)正,有效避免(mian)同(tong)類差異(yi)。同(tong)時項(xiang)(xiang)(xiang)目(mu)(mu)經濟后評(ping)(ping)估(gu)(gu)(gu)的(de)(de)(de)反饋(kui)和(he)應(ying)(ying)用還是一個動(dong)態(tai)的(de)(de)(de)過(guo)程(cheng),因(yin)此必須建立一個使(shi)項(xiang)(xiang)(xiang)目(mu)(mu)后評(ping)(ping)估(gu)(gu)(gu)信息得(de)以(yi)(yi)反饋(kui)和(he)應(ying)(ying)用的(de)(de)(de)機制與平(ping)(ping)臺(tai)。企(qi)業(ye)應(ying)(ying)在(zai)相應(ying)(ying)的(de)(de)(de)工作流程(cheng)中明確(que)規(gui)定(ding)后評(ping)(ping)估(gu)(gu)(gu)結果的(de)(de)(de)應(ying)(ying)用制度。為新項(xiang)(xiang)(xiang)目(mu)(mu)的(de)(de)(de)決策和(he)提高投資決策管理(li)水平(ping)(ping)提供參(can)考,確(que)保項(xiang)(xiang)(xiang)目(mu)(mu)的(de)(de)(de)立項(xiang)(xiang)(xiang)成功。

篇8

關鍵詞:中(zhong)小型水(shui)電(dian)站;項目建設;管理;措施

水(shui)電工程建(jian)(jian)設(she)(she)(she)管理(li)(li)(li)協調工作量大,管理(li)(li)(li)難度(du)也較大。所以在管理(li)(li)(li)過程中(zhong),要采取有(you)效的措施,應用(yong)一些管理(li)(li)(li)方法、技巧,以確保建(jian)(jian)設(she)(she)(she)項目(mu)的順利完成(cheng)。雖然(ran)現(xian)在的水(shui)電站項目(mu)較多(duo),各電站的建(jian)(jian)設(she)(she)(she)管理(li)(li)(li)實際情(qing)況也不一樣,各具(ju)特點,但項目(mu)建(jian)(jian)設(she)(she)(she)管理(li)(li)(li)還是有(you)其規(gui)律性,也有(you)共(gong)通的地方,具(ju)有(you)一定的建(jian)(jian)設(she)(she)(she)管理(li)(li)(li)方法技巧。

1、中小型水電站建設中存在(zai)的問題

1.1水(shui)資源管理和(he)水(shui)能開(kai)發管理脫(tuo)節

水(shui)(shui)(shui)能(neng)(neng)資源(yuan)是水(shui)(shui)(shui)資源(yuan)不可(ke)分割的一(yi)個重要組成(cheng)部(bu)分,按有關規定,水(shui)(shui)(shui)資源(yuan)的開(kai)發必(bi)須辦理取水(shui)(shui)(shui)許(xu)可(ke)證(zheng)和(he)進行建(jian)設項目(mu)(mu)水(shui)(shui)(shui)資源(yuan)論證(zheng)。“跑馬圈水(shui)(shui)(shui)”后,一(yi)些開(kai)發商往往既不辦取水(shui)(shui)(shui)許(xu)可(ke),也不經水(shui)(shui)(shui)能(neng)(neng)資源(yuan)開(kai)發許(xu)可(ke),就直接開(kai)始建(jian)設。最(zui)終電站建(jian)起(qi)來(lai)了(le),發電的目(mu)(mu)標實現了(le),河(he)流(liu)的防洪、灌(guan)溉、老百姓的人(ren)畜飲(yin)水(shui)(shui)(shui)等(deng)卻被撂在一(yi)邊,寶貴的水(shui)(shui)(shui)資源(yuan)變成(cheng)了(le)單純的開(kai)發商賺錢的工具。

1.2 原有生態環境被破壞,河床干涸,河道(dao)坍(tan)塌,甚至引發泥石(shi)流和滑坡等地質災害。

1.3資(zi)源被炒作、浪費(fei),“四無(wu)(wu)(wu)”電站紛(fen)紛(fen)上(shang)馬(ma)。個別資(zi)源條(tiao)件較(jiao)好的(de)(de)電站,被炒了五六次,還沒(mei)有正式開發。個別實(shi)力(li)不(bu)夠,資(zi)金不(bu)足(zu)的(de)(de)開發商(shang),按水頭和來水情況,本該裝1萬千(qian)瓦裝機(ji)的(de)(de)電站,有的(de)(de)裝五六千(qian)瓦就了事。一批“無(wu)(wu)(wu)立(li)項、無(wu)(wu)(wu)設計、無(wu)(wu)(wu)管理、無(wu)(wu)(wu)驗收”的(de)(de)“四無(wu)(wu)(wu)”小水電站,也趁(chen)機(ji)紛(fen)紛(fen)上(shang)馬(ma)。

2、土(tu)建(jian)施工(gong)全過程(cheng)的管理措施

2.1 提(ti)高中小型水(shui)電站建設的(de)前期工作質量

(1)優化水資源配置

以統籌考慮流域水量的分析為基礎(chu)(chu),在流域水資源分析多方(fang)案比較(jiao)的基礎(chu)(chu)上(shang),通過經(jing)濟、技術和生態環境分析論(lun)證與比選(xuan),確(que)定合理配(pei)置方(fang)案。同時為總體布局(ju)、水資源工程(cheng)和非工程(cheng)措(cuo)施的選(xuan)擇及(ji)其實施確(que)定方(fang)向和提(ti)出要(yao)求。

(2)優化設計方案

設(she)計(ji)者(zhe)必須(xu)實(shi)(shi)地勘察、認真調查、搜集水(shui)文氣象(xiang)及地質資料,并加以歸納分析,并堅持理論聯系實(shi)(shi)際,選(xuan)用合(he)適的(de)(de)水(shui)能計(ji)算方法(fa),通過電力電量平衡,對本地電力供需(xu)市場進行客(ke)觀(guan)、公(gong)正和(he)實(shi)(shi)事求是的(de)(de)分析和(he)預測。按(an)照小水(shui)電站(zhan)的(de)(de)設(she)計(ji)規范和(he)經(jing)濟評價規程,最終確(que)定保證出力倍比系數、裝(zhuang)機規模和(he)年利(li)用小時(shi)數。

(3)因地(di)制宜開發小(xiao)水電

一般(ban)說(shuo)來(lai),山區河流(liu)縱橫(heng)密布,山高水陡,自(zi)然落差大,森(sen)林植被覆蓋不(bu)盡相同,其涵養(yang)水源(yuan)能(neng)力亦有差別。如果規劃的(de)(de)電(dian)站庫區植被覆蓋好,水土流(liu)失輕,則其地表和地下徑流(liu)相對穩定,受自(zi)然氣候影響小,只要落差、流(liu)量符合要求,且有一定的(de)(de)調節性能(neng),是適宜于開發小水電(dian)的(de)(de)場所。如果不(bu)遵從自(zi)然資(zi)源(yuan)規律,盲目(mu)上馬,必然導致資(zi)金(jin)的(de)(de)浪(lang)費和資(zi)產的(de)(de)閑置。

2.2 提高工程的設計質量

(1)根據實際情況(kuang)在(zai)進(jin)行(xing)(xing)小水電站建筑(zhu)(zhu)物(wu)總體布置(zhi)時,應根據地形、地貌及地質(zhi)條(tiao)件,因地制(zhi)宜(yi)、精益(yi)求精的進(jin)行(xing)(xing)各單項建筑(zhu)(zhu)的設(she)(she)計(ji),盡可能實現某些單項建筑(zhu)(zhu)物(wu)設(she)(she)計(ji)的定(ding)型化(hua)(hua)、標(biao)準化(hua)(hua)和規范化(hua)(hua),對設(she)(she)計(ji)標(biao)準、施工方便(bian)、保(bao)障(zhang)運用功能及控制(zhi)投資等(deng)進(jin)行(xing)(xing)多方案分析。以達到美(mei)觀大方和降(jiang)低造(zao)價的目的。

(2) 進行設(she)計階段(duan)質(zhi)量(liang)控制。對設(she)計進行質(zhi)量(liang)跟蹤,定期對設(she)計文件進行審核,防(fang)止過分設(she)計和不足設(she)計兩種極端情況(kuang)。

(3)要妥善(shan)處理(li)好建(jian)(jian)筑(zhu)物的安全和(he)節省(sheng)投資的矛盾。在設計過程(cheng)中,應力求在經(jing)濟可行(xing)的前提下在建(jian)(jian)筑(zhu)物的安全可靠和(he)靈活(huo)運(yun)(yun)用上下功(gong)夫,特別是應該注意研究防洪(hong)標準、洪(hong)水計算辦法及(ji)泥沙淤積與(yu)建(jian)(jian)筑(zhu)物安全運(yun)(yun)用及(ji)投資等相互之間關系。

(4)在(zai)進行(xing)小(xiao)水(shui)電項目經濟評價時,要堅(jian)持實事(shi)求是的科(ke)學態(tai)度。按照小(xiao)水(shui)電建設項目經濟評價規程,對項目的可行(xing)性、投入與產出、投資回報(bao)等進行(xing)詳(xiang)細的分析論(lun)證,為投資者提供(gong)詳(xiang)實可靠(kao)的決策依據。

2.3 加強工(gong)程質量的監(jian)督管理

(1)建立咨(zi)詢(xun)工(gong)作成果的質量評審制度

建立評(ping)審制度是保證和提高(gao)咨詢成果質量(liang)的重要手段,通過評(ping)審,吸取更多(duo)專家的知識(shi)和智慧,可以(yi)發(fa)現問題,優化咨詢成果。

(2)狠抓施(shi)工過(guo)程的質(zhi)量控制。

施(shi)(shi)工(gong)(gong)(gong)(gong)是形(xing)成(cheng)工(gong)(gong)(gong)(gong)程(cheng)項目實體的(de)過(guo)(guo)程(cheng),也是決定最終產(chan)品質(zhi)(zhi)(zhi)量的(de)關鍵階段,工(gong)(gong)(gong)(gong)程(cheng)項目施(shi)(shi)工(gong)(gong)(gong)(gong)涉及(ji)面(mian)廣,是一個(ge)極其復雜(za)的(de)過(guo)(guo)程(cheng),影響質(zhi)(zhi)(zhi)量的(de)因素很多,使用材料的(de)微小(xiao)差(cha)異、操作(zuo)(zuo)的(de)微小(xiao)變化、環境的(de)微小(xiao)波動,機械設備的(de)正常磨損,都會產(chan)生質(zhi)(zhi)(zhi)量變異,造成(cheng)質(zhi)(zhi)(zhi)量事故(gu)。因此(ci),在施(shi)(shi)工(gong)(gong)(gong)(gong)過(guo)(guo)程(cheng)中(zhong)必(bi)須委托(tuo)項目監理(li)單(dan)位對施(shi)(shi)工(gong)(gong)(gong)(gong)單(dan)位質(zhi)(zhi)(zhi)量管理(li)體系的(de)實施(shi)(shi)狀況進(jin)行監控(kong);監督檢(jian)查在工(gong)(gong)(gong)(gong)序施(shi)(shi)工(gong)(gong)(gong)(gong)過(guo)(guo)程(cheng)中(zhong)的(de)施(shi)(shi)工(gong)(gong)(gong)(gong)人(ren)員、施(shi)(shi)工(gong)(gong)(gong)(gong)機械設備、施(shi)(shi)工(gong)(gong)(gong)(gong)方法、工(gong)(gong)(gong)(gong)藝或操作(zuo)(zuo)是否處(chu)于良好狀態,是否符合保證質(zhi)(zhi)(zhi)量的(de)要求;做好設計變更的(de)控(kong)制工(gong)(gong)(gong)(gong)作(zuo)(zuo);做好施(shi)(shi)工(gong)(gong)(gong)(gong)過(guo)(guo)程(cheng)中(zhong)的(de)檢(jian)查驗收工(gong)(gong)(gong)(gong)作(zuo)(zuo);做好工(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)量問題(ti)和質(zhi)(zhi)(zhi)量事故(gu)的(de)處(chu)理(li)。

2.4 要取得各職能部(bu)門(men)的大力協作(zuo)和(he)支(zhi)持(chi)

小水電(dian)站大(da)多座(zuo)落在(zai)(zai)邊遠(yuan)山區(qu),工程的(de)立(li)項、審批、融資(zi)、建(jian)設及電(dian)力(li)銷售等(deng)(deng)涉及到水利、城建(jian)、環(huan)保(bao)、土(tu)地、銀行、供電(dian)及所在(zai)(zai)地鄉(xiang)、鎮、村等(deng)(deng)諸多環(huan)節,觸(chu)一發而動全(quan)身。這就要求各級各部(bu)門要按照(zhao)“你發財、我發展”原則,在(zai)(zai)手(shou)續上(shang)從簡、政(zheng)策(ce)上(shang)優惠、資(zi)金投(tou)(tou)(tou)向上(shang)傾斜等(deng)(deng)手(shou)段,協調好(hao)各個環(huan)節存在(zai)(zai)的(de)問題和矛(mao)盾(dun),為投(tou)(tou)(tou)資(zi)者(zhe)提供良好(hao)的(de)施(shi)工條件和施(shi)工環(huan)境(jing),解除投(tou)(tou)(tou)資(zi)者(zhe)的(de)后顧之憂,確保(bao)工程按期施(shi)工、竣工,并(bing)取得預(yu)定(ding)的(de)投(tou)(tou)(tou)資(zi)回報。

2.5加強施工的安全(quan)管理

(1)由于(yu)水電站施(shi)工(gong)(gong)一(yi)般施(shi)工(gong)(gong)工(gong)(gong)期緊、強度(du)大(da),多種工(gong)(gong)藝、設備交叉作(zuo)業,相互干擾大(da),安(an)(an)(an)全生產(chan)工(gong)(gong)作(zuo)面臨(lin)著諸多壓力(li)(li)和隱患。為(wei)了促(cu)進(jin)各項施(shi)工(gong)(gong)安(an)(an)(an)全制(zhi)度(du)及(ji)安(an)(an)(an)全保護措施(shi)的落(luo)實,要(yao)建(jian)立以(yi)項目(mu)(mu)經理為(wei)安(an)(an)(an)全生產(chan)第一(yi)責(ze)任人的安(an)(an)(an)全保障體系,并聘任專職安(an)(an)(an)全員主抓項目(mu)(mu)部及(ji)施(shi)工(gong)(gong)現(xian)場的安(an)(an)(an)全工(gong)(gong)作(zuo)。堅(jian)持“安(an)(an)(an)全第一(yi),預防為(wei)主”的方針(zhen),積極實踐“以(yi)人為(wei)本,警鐘長鳴”的安(an)(an)(an)全理念(nian),在搶工(gong)(gong)期、搶進(jin)度(du)的同時,始終把(ba)安(an)(an)(an)全工(gong)(gong)作(zuo)放(fang)在首位,努力(li)(li)營造良(liang)好的安(an)(an)(an)全生產(chan)氛圍,讓“安(an)(an)(an)全重于(yu)泰山”貫穿整個工(gong)(gong)期。

(2)通(tong)過(guo)層(ceng)層(ceng)落實安(an)(an)全責任,抓(zhua)(zhua)嚴、抓(zhua)(zhua)細、抓(zhua)(zhua)實安(an)(an)全工作(zuo)(zuo),制定(ding)防(fang)(fang)范措施,杜絕了安(an)(an)全事(shi)故的發生;嚴禁安(an)(an)全工作(zuo)(zuo)目標漂移、作(zuo)(zuo)風漂浮(fu)、思想(xiang)飄然;通(tong)過(guo)認真開展(zhan)重大危險(xian)(xian)源的普查登(deng)記(ji)和監控(kong)管理工作(zuo)(zuo),摸清和掌(zhang)握重大危險(xian)(xian)源的數(shu)量和分布(bu)狀(zhuang)況(kuang),對存(cun)在缺陷和事(shi)故隱患的重大危險(xian)(xian)源實施重點(dian)監控(kong)、整改,提高預防(fang)(fang)和控(kong)制事(shi)故的能力。

3、結束語

當(dang)前和今(jin)后一個(ge)時期小(xiao)(xiao)水(shui)電(dian)開發(fa)(fa)(fa)、建(jian)設(she)應堅持發(fa)(fa)(fa)展與管(guan)(guan)理(li)并舉的(de)(de)方針,“管(guan)(guan)理(li)也是生產(chan)力”,管(guan)(guan)理(li)因素在(zai)小(xiao)(xiao)水(shui)電(dian)站(zhan)建(jian)設(she)中舉足輕重。水(shui)電(dian)站(zhan)工程(cheng)(cheng)項目應建(jian)立嚴密的(de)(de)規劃、設(she)計、施工保證體(ti)系和責(ze)任制,明確各(ge)自責(ze)任。施工過程(cheng)(cheng)的(de)(de)各(ge)個(ge)環節要嚴格控制,各(ge)分部、分項工程(cheng)(cheng)均要全面(mian)實施到位管(guan)(guan)理(li)。既要加快發(fa)(fa)(fa)展步伐,又要加強(qiang)、規范(fan)小(xiao)(xiao)水(shui)電(dian)站(zhan)的(de)(de)規劃、設(she)計、施工管(guan)(guan)理(li),提(ti)高管(guan)(guan)理(li)水(shui)平,做到以發(fa)(fa)(fa)展帶管(guan)(guan)理(li),以管(guan)(guan)理(li)促發(fa)(fa)(fa)展,從(cong)而推動小(xiao)(xiao)水(shui)電(dian)事業(ye)健康、協調、穩步前進。

參考文獻

篇9

【關鍵詞】電力;水電站;安全水平(ping);技術措施

隨著經濟的迅猛發(fa)展(zhan),電(dian)(dian)力已成(cheng)為(wei)當(dang)今社會不(bu)可缺(que)少的能(neng)源物質,而水(shui)(shui)電(dian)(dian)站(zhan)(zhan)(zhan)作為(wei)發(fa)電(dian)(dian)體(ti)系中的重(zhong)要組成(cheng),它的發(fa)展(zhan)更是(shi)重(zhong)中之(zhi)重(zhong)。目前我(wo)(wo)國是(shi)世界水(shui)(shui)電(dian)(dian)裝機(ji)(ji)第一(yi)大(da)國,也是(shi)目前世界上擁有(you)(you)水(shui)(shui)電(dian)(dian)在(zai)建規模最大(da)、發(fa)展(zhan)速(su)度最快的國家。近(jin)些年來一(yi)大(da)批擁有(you)(you)70萬kw級大(da)容量(liang)的水(shui)(shui)電(dian)(dian)機(ji)(ji)組如三峽、小灣、龍灘、向家壩(ba)等巨型水(shui)(shui)電(dian)(dian)站(zhan)(zhan)(zhan)的成(cheng)功運行有(you)(you)力證明(ming)了我(wo)(wo)國水(shui)(shui)電(dian)(dian)在(zai)電(dian)(dian)站(zhan)(zhan)(zhan)設(she)計、設(she)備制造、工(gong)程建設(she)、運行管理等方面(mian)正逐步全(quan)面(mian)達到了一(yi)個新的高度。水(shui)(shui)電(dian)(dian)站(zhan)(zhan)(zhan)的運行安(an)(an)(an)全(quan)不(bu)但涉(she)及自身(shen)利益(yi),而且涉(she)及電(dian)(dian)站(zhan)(zhan)(zhan)周邊、河流(liu)下游的居(ju)民及環境安(an)(an)(an)全(quan),因(yin)此,我(wo)(wo)們(men)必(bi)須重(zhong)視水(shui)(shui)電(dian)(dian)運行安(an)(an)(an)全(quan)問題,切(qie)實在(zai)發(fa)展(zhan)經濟的同時也要做好安(an)(an)(an)全(quan)防(fang)護工(gong)作。

1 水電站運(yun)行(xing)安全面臨的新(xin)形勢

水(shui)(shui)(shui)力發(fa)電(dian)(dian)(dian)是一種(zhong)技(ji)術、資金(jin)密集型產業,安(an)(an)全(quan)、高(gao)(gao)效、環保(bao)是水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)運(yun)行(xing)(xing)(xing)追求的(de)(de)目標。水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)具有(you)大(da)(da)(da)壩(ba)建(jian)設(she)(she)(she)投資高(gao)(gao)、機(ji)電(dian)(dian)(dian)設(she)(she)(she)備(bei)昂貴等特點,若(ruo)運(yun)行(xing)(xing)(xing)中(zhong)發(fa)生(sheng)事(shi)故(gu)將會帶來巨大(da)(da)(da)的(de)(de)經濟損(sun)(sun)失,乃至(zhi)造(zao)成人(ren)員(yuan)傷(shang)亡。水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)的(de)(de)安(an)(an)全(quan)運(yun)行(xing)(xing)(xing)涉及(ji)(ji)到(dao)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)周邊、河流下(xia)游(you)的(de)(de)居(ju)民以(yi)及(ji)(ji)環境安(an)(an)全(quan)等多(duo)方(fang)面利益。如2009年俄羅斯薩陽水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)由于(yu)水(shui)(shui)(shui)輪機(ji)軸(zhou)承震(zhen)動幅(fu)值(zhi)超(chao)過規定限值(zhi)運(yun)行(xing)(xing)(xing)而引發(fa)重(zhong)大(da)(da)(da)安(an)(an)全(quan)事(shi)故(gu),該事(shi)故(gu)中(zhong)有(you)75人(ren)死亡、13人(ren)受傷(shang)。2014年9月2日,湖北(bei)省(sheng)秭歸縣(xian)隸屬三峽庫區的(de)(de)利豐(feng)源水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)由于(yu)發(fa)生(sheng)重(zhong)大(da)(da)(da)巖體滑坡而導致(zhi)該電(dian)(dian)(dian)站(zhan)被完全(quan)損(sun)(sun)毀。以(yi)上事(shi)故(gu)發(fa)生(sheng)導致(zhi)廠房及(ji)(ji)設(she)(she)(she)備(bei)損(sun)(sun)壞(huai)嚴(yan)重(zhong)、河流下(xia)游(you)受到(dao)嚴(yan)重(zhong)污(wu)染,這些均(jun)給我們如何確保(bao)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)安(an)(an)全(quan)運(yun)行(xing)(xing)(xing)敲響了警鐘。隨著(zhu)水(shui)(shui)(shui)電(dian)(dian)(dian)運(yun)行(xing)(xing)(xing)技(ji)術的(de)(de)進(jin)(jin)步與發(fa)展以(yi)及(ji)(ji)管理經驗的(de)(de)日益見長,我們要堅持以(yi)“防(fang)(fang)重(zhong)大(da)(da)(da)設(she)(she)(she)備(bei)損(sun)(sun)壞(huai)、防(fang)(fang)水(shui)(shui)(shui)淹廠房、防(fang)(fang)嚴(yan)重(zhong)火災、防(fang)(fang)潰壩(ba)漫壩(ba)”為目標,對水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)在水(shui)(shui)(shui)工建(jian)筑物、機(ji)電(dian)(dian)(dian)設(she)(she)(she)備(bei)的(de)(de)控(kong)制、保(bao)護、運(yun)行(xing)(xing)(xing)等方(fang)面提出更(geng)加完善(shan)的(de)(de)技(ji)術措施,以(yi)期進(jin)(jin)一步提高(gao)(gao)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)的(de)(de)運(yun)行(xing)(xing)(xing)安(an)(an)全(quan)水(shui)(shui)(shui)平,為建(jian)設(she)(she)(she)安(an)(an)全(quan)型水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)打下(xia)堅實的(de)(de)基礎。

2 做好水電站(zhan)大壩安(an)全監督(du)和(he)管理的各項(xiang)工作

水(shui)電(dian)站(zhan)建設的(de)(de)(de)核心內容為(wei)水(shui)電(dian)大(da)壩(ba)(ba)(ba)的(de)(de)(de)建立(li),目前我(wo)國(guo)(guo)主要(yao)通過以(yi)下五個方面(mian)開展(zhan)(zhan)對(dui)大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)技(ji)術(shu)(shu)(shu)監(jian)督服務(wu)工(gong)(gong)作:一是建立(li)和(he)完善(shan)大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)法(fa)規和(he)制度,如(ru)我(wo)國(guo)(guo)自1985年第一個大(da)壩(ba)(ba)(ba)中心建立(li)起頒布了(le)一系列的(de)(de)(de)法(fa)律(lv)法(fa)規制度,為(wei)大(da)壩(ba)(ba)(ba)的(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)保駕(jia)護航。二是全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)面(mian)開展(zhan)(zhan)大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)注冊(ce)工(gong)(gong)作,政府的(de)(de)(de)相關(guan)部門(men)單位(wei)可以(yi)通過對(dui)水(shui)電(dian)站(zhan)大(da)壩(ba)(ba)(ba)申報安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)注冊(ce)進行有(you)(you)效監(jian)管(guan)(guan)(guan)。三(san)是有(you)(you)計劃、有(you)(you)步驟(zou)地開展(zhan)(zhan)大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)定檢(jian)(jian),大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)定檢(jian)(jian)是大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)中的(de)(de)(de)重要(yao)工(gong)(gong)作之一,定檢(jian)(jian)不(bu)僅(jin)能(neng)(neng)夠檢(jian)(jian)查出長期存在的(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)隱患問題,推(tui)動(dong)了(le)監(jian)測(ce)設施(shi)的(de)(de)(de)更(geng)新改造與(yu)監(jian)測(ce)系統自動(dong)化,還能(neng)(neng)增強(qiang)領導及管(guan)(guan)(guan)理(li)(li)人員的(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)意識(shi)(shi)。四是加強(qiang)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)技(ji)術(shu)(shu)(shu)培(pei)訓,提(ti)高大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)隊(dui)伍的(de)(de)(de)技(ji)術(shu)(shu)(shu)與(yu)管(guan)(guan)(guan)理(li)(li)水(shui)平,要(yao)做好水(shui)電(dian)站(zhan)大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)工(gong)(gong)作就需要(yao)積極開展(zhan)(zhan)對(dui)相關(guan)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)人員的(de)(de)(de)培(pei)訓工(gong)(gong)作,提(ti)高他們的(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)意識(shi)(shi)、業務(wu)能(neng)(neng)力(li)以(yi)及安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)水(shui)平。五要(yao)依靠科技(ji)進步,開展(zhan)(zhan)相關(guan)科學研(yan)(yan)究與(yu)技(ji)術(shu)(shu)(shu)攻關(guan)。大(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)技(ji)術(shu)(shu)(shu)與(yu)多種學科如(ru)水(shui)文(wen)、地質、水(shui)工(gong)(gong)建筑(zhu)、大(da)壩(ba)(ba)(ba)性態分(fen)析(xi)技(ji)術(shu)(shu)(shu)、施(shi)工(gong)(gong)技(ji)術(shu)(shu)(shu)、工(gong)(gong)程經濟學、社會管(guan)(guan)(guan)理(li)(li)學等緊密相關(guan)。因此(ci)大(da)壩(ba)(ba)(ba)的(de)(de)(de)安(an)(an)(an)全(quan)(quan)(quan)(quan)(quan)(quan)(quan)(quan)管(guan)(guan)(guan)理(li)(li)與(yu)檢(jian)(jian)測(ce)離(li)不(bu)開各種科學技(ji)術(shu)(shu)(shu)的(de)(de)(de)支(zhi)持,我(wo)們需要(yao)不(bu)斷研(yan)(yan)究和(he)探索新方法(fa)和(he)新手段(duan)進一步加強(qiang)其科技(ji)攻關(guan)。

3 提高(gao)水電站(zhan)運行安全水平的具體(ti)措施(shi)

3.1 完善(shan)水電站(zhan)大壩和(he)廠房的監測(ce)防護技術技術措施

水電站(zhan)大(da)壩(ba)是(shi)電站(zhan)建(jian)設時間最長,投資最多的(de)(de)(de)(de)設施(shi),也是(shi)保障水電站(zhan)蓄水量(liang)和(he)發(fa)電量(liang)的(de)(de)(de)(de)關(guan)鍵。我(wo)國目前已經(jing)建(jian)成了一(yi)大(da)批世界級(ji)的(de)(de)(de)(de)水電站(zhan)大(da)壩(ba),取得了顯(xian)著的(de)(de)(de)(de)社會效益和(he)經(jing)濟效益。然而(er),一(yi)旦水電站(zhan)大(da)壩(ba)或(huo)者(zhe)廠房(fang)發(fa)生事故,其(qi)帶來的(de)(de)(de)(de)危害往往是(shi)無(wu)法估算的(de)(de)(de)(de),或(huo)者(zhe)說是(shi)災(zai)難性(xing)的(de)(de)(de)(de)。因此,我(wo)們(men)在(zai)嚴(yan)格按照相關(guan)規章制度開展大(da)壩(ba)和(he)廠房(fang)設施(shi)維護工作以外(wai),還需要進一(yi)步完善水電站(zhan)大(da)壩(ba)和(he)廠房(fang)的(de)(de)(de)(de)監測防護技(ji)術(shu)(shu)技(ji)術(shu)(shu)措施(shi)。

首先應當(dang)完(wan)善大(da)壩(ba)(ba)的(de)安全(quan)監測(ce)系統(tong),保障系統(tong)的(de)穩定(ding)運行(xing)。這需(xu)要根據(ju)大(da)壩(ba)(ba)的(de)實際情況,布置相(xiang)應的(de)測(ce)點,從而能(neng)(neng)夠及時分析掌握大(da)壩(ba)(ba)狀態。比(bi)如(ru)規模、庫容(rong)較(jiao)大(da)的(de)大(da)壩(ba)(ba),可以配(pei)置自動化(hua)的(de)監測(ce)系統(tong),從而提(ti)(ti)高測(ce)點數(shu)據(ju)的(de)上(shang)傳效(xiao)率(lv),以便于更加及時準確的(de)掌握第一手信(xin)息(xi)。其次要完(wan)善好大(da)壩(ba)(ba)及廠房(fang)周圍環境的(de)防護措施,加強對地質、氣象等災害的(de)監測(ce),以便能(neng)(neng)夠對這些自然災害做(zuo)到迅速(su)的(de)反(fan)應,避免或減少災害帶(dai)來的(de)影(ying)響(xiang)。比(bi)如(ru)廣東省(sheng)受(shou)臺風影(ying)響(xiang)較(jiao)大(da),需(xu)要加強對于臺風災害的(de)防御能(neng)(neng)力。此外,要努力提(ti)(ti)高水(shui)電站(zhan)泄(xie)洪(hong)閘門(men)啟閉系統(tong)的(de)配(pei)置水(shui)平,需(xu)同(tong)時具備(bei)手動和遠程操(cao)控的(de)能(neng)(neng)力,并提(ti)(ti)供雙電源供電。對泄(xie)洪(hong)閘門(men)的(de)關(guan)鍵參數(shu)要進行(xing)嚴(yan)格(ge)的(de)監測(ce),發現問題要及時排(pai)查。最后(hou),還應當(dang)注意健全(quan)水(shui)電站(zhan)流域內的(de)水(shui)情監測(ce),合理布置站(zhan)點,確保大(da)壩(ba)(ba)的(de)防洪(hong)安全(quan)水(shui)平。

3.2 完善主要機電設備的監(jian)測和保護(hu)技術措施

除了完(wan)善(shan)水電站大(da)壩和(he)廠房(fang)的監測(ce)防(fang)護技(ji)術(shu),還需要加強(qiang)完(wan)善(shan)主要機電設備的檢測(ce)和(he)防(fang)護。在(zai)這一過程(cheng)(cheng)中(zhong),如果(guo)能夠更進(jin)一步的利(li)用(yong)好(hao)現代科學技(ji)術(shu)創新帶(dai)來的成(cheng)果(guo),則可以大(da)大(da)提(ti)高水電站運行的安(an)全程(cheng)(cheng)度。這些新技(ji)術(shu)包括(kuo)互聯網通訊技(ji)術(shu)、數據處理技(ji)術(shu)、現代監測(ce)技(ji)術(shu)等。

首先,我們(men)可(ke)(ke)以(yi)利(li)用計(ji)算機(ji)和互聯網技術,建立(li)一(yi)個(ge)(ge)可(ke)(ke)以(yi)對水電站(zhan)進行遠(yuan)程(cheng)(cheng)監控(kong)(kong)的(de)(de)(de)遠(yuan)程(cheng)(cheng)計(ji)算機(ji)監控(kong)(kong)系(xi)統。這樣的(de)(de)(de)一(yi)個(ge)(ge)監控(kong)(kong)中心,可(ke)(ke)以(yi)同(tong)時對多個(ge)(ge)水電站(zhan)傳輸(shu)過來(lai)的(de)(de)(de)數據進行全面的(de)(de)(de)監測、記錄(lu)和分析,實現對水電站(zhan)的(de)(de)(de)遠(yuan)程(cheng)(cheng)控(kong)(kong)制,并可(ke)(ke)以(yi)將結果反饋給各水電站(zhan),從而(er)形(xing)成一(yi)個(ge)(ge)有(you)效的(de)(de)(de)監控(kong)(kong)系(xi)統。其(qi)次(ci),需要對一(yi)些重點設備(bei)(bei)配置相(xiang)應(ying)的(de)(de)(de)防(fang)(fang)(fang)護裝(zhuang)(zhuang)置,可(ke)(ke)以(yi)確保(bao)當發生故障(zhang)(zhang)時,防(fang)(fang)(fang)護裝(zhuang)(zhuang)置可(ke)(ke)以(yi)準確制動(dong),從而(er)控(kong)(kong)制事態影響。與此同(tong)時,這些防(fang)(fang)(fang)護裝(zhuang)(zhuang)置還(huan)(huan)需要能夠保(bao)障(zhang)(zhang)主要設備(bei)(bei)在(zai)發生故障(zhang)(zhang)時候的(de)(de)(de)安全,避免其(qi)由于緊急跳閘(zha)停機(ji)等原因(yin)造成的(de)(de)(de)損壞。此外(wai),各主要設備(bei)(bei)除了(le)需要配置遠(yuan)程(cheng)(cheng)操控(kong)(kong),還(huan)(huan)需要保(bao)留手動(dong)操作(zuo)(zuo),以(yi)便(bian)工(gong)作(zuo)(zuo)人員(yuan)可(ke)(ke)以(yi)在(zai)緊急情(qing)況(kuang)下采用手動(dong)關(guan)閉的(de)(de)(de)方式(shi)。此外(wai),水電站(zhan)的(de)(de)(de)一(yi)些重要場所和主要儀器附(fu)近還(huan)(huan)應(ying)當實現視頻監控(kong)(kong),并且視頻最(zui)好具備(bei)(bei)錄(lu)像(xiang)和自(zi)動(dong)提示異常(chang)情(qing)況(kuang)的(de)(de)(de)功能,方便(bian)工(gong)作(zuo)(zuo)人員(yuan)及時做出(chu)反應(ying)。最(zui)后,我們(men)還(huan)(huan)可(ke)(ke)以(yi)利(li)用一(yi)些設備(bei)(bei)的(de)(de)(de)自(zi)動(dong)檢測功能,以(yi)觀(guan)察一(yi)些細微的(de)(de)(de)但是(shi)同(tong)樣有(you)可(ke)(ke)能影響儀器設備(bei)(bei)正(zheng)常(chang)運轉的(de)(de)(de)變化(hua),提高預防(fang)(fang)(fang)事故的(de)(de)(de)能力(li)。

3.3 提高水(shui)電站故障自動處理能力

為了(le)提(ti)(ti)高水(shui)(shui)(shui)電站(zhan)的(de)(de)(de)安全(quan)運(yun)行(xing)水(shui)(shui)(shui)平(ping),水(shui)(shui)(shui)電站(zhan)在發生故(gu)障(zhang)時(shi)(shi)候,除了(le)可以(yi)自動報警以(yi)外,還應當具備一定的(de)(de)(de)自控(kong)、調節或(huo)者(zhe)限制的(de)(de)(de)能力(li),從而使(shi)之(zhi)處于(yu)或(huo)暫時(shi)(shi)處于(yu)相對安全(quan)狀(zhuang)態(tai)或(huo)隔離狀(zhuang)態(tai),控(kong)制災害的(de)(de)(de)進(jin)一步加劇,并給應急處理人員提(ti)(ti)供寶貴的(de)(de)(de)時(shi)(shi)間。主要(yao)(yao)的(de)(de)(de)措(cuo)施包括機組必(bi)須配置振動保護裝置,導水(shui)(shui)(shui)葉緊(jin)急關閉(bi)的(de)(de)(de)同時(shi)(shi)應該聯動關閉(bi)進(jin)水(shui)(shui)(shui)閥(fa)和進(jin)水(shui)(shui)(shui)口(kou)事故(gu)門,防(fang)范水(shui)(shui)(shui)淹和火災的(de)(de)(de)自動處理措(cuo)施等。這(zhe)些故(gu)障(zhang)自動處理能力(li)的(de)(de)(de)提(ti)(ti)升,對于(yu)保護水(shui)(shui)(shui)電站(zhan)工作人員安全(quan),提(ti)(ti)高水(shui)(shui)(shui)電站(zhan)安全(quan)運(yun)行(xing)水(shui)(shui)(shui)平(ping)是重要(yao)(yao)的(de)(de)(de)補(bu)充和必(bi)要(yao)(yao)的(de)(de)(de)途徑。

4 結語

隨著(zhu)科學技(ji)術的(de)不(bu)斷進(jin)(jin)步(bu)和電力系(xi)統的(de)不(bu)斷發(fa)展,進(jin)(jin)一步(bu)提(ti)高水(shui)電站安全(quan)運行水(shui)平有了更多的(de)方式方法(fa)。然(ran)而,現如今我們依然(ran)不(bu)能放松對水(shui)電站運行情況的(de)監測,但是,我們相信隨著(zhu)技(ji)術水(shui)平的(de)進(jin)(jin)一步(bu)提(ti)高,“無人值班(ban)”運行管理(li)模式遲早會成(cheng)為(wei)現實。

參考文獻:

[1]唐軍,蔣(jiang)毅(yi).水電站運行管(guan)理問題(ti)探(tan)討[J].中國新(xin)技術新(xin)產品,2013.

[2]向澤江(jiang),楊春明.提高水電站運行安全(quan)水平的技術措施(shi)[A].水電2013大會――中國(guo)大壩協會2013學術年會暨第三屆堆石壩國(guo)際研討(tao)會論文集[C].2013.

篇10

關鍵詞 水(shui)電(dian)調(diao)度 專(zhuan)題任務 研究生(sheng) 培養(yang)模(mo)式

中(zhong)圖分類號:G643.0 文獻標識碼:A

Discussion on Hydroelectric Scheduling Postgraduate

Training Mode Based on Thematic Mandates

SHEN Jianjian, CHENG Chuntian, WU Xinyu, LI Gang, LIAO Shengli

(Hydropower and Water Information Institute, Dalian University of Technology, Dalian, Liaoning 116024)

Abstract As China enters a large-scale hydropower dispatching stage, hydropower professionals become particularly strong demand, especially in the theory and practice of graduate students put forward higher requirements. For this reason, the design of a hydroelectric scheduling postgraduate training mode thematic mandates around practical engineering problems, from the task design, professional study of theory, research and development, the key issues discussed, given the results of a detailed evaluation of other aspects of the implementation of the thematic program. Training model proposed will help to deepen the understanding of graduate professional knowledge and improve the ability of engineering practice; can provide a viable idea for improving the training level of our students.

Key words hydropower scheduling; thematic mandates; postgraduates; training model

我國實行(xing)研究(jiu)(jiu)生(sheng)教(jiao)育改革10多年來,已經培(pei)養(yang)了大批高(gao)層次人才,為(wei)經濟和社會發展做出了巨大貢獻。然而,隨著研究(jiu)(jiu)生(sheng)招生(sheng)規(gui)模(mo)的(de)(de)(de)急(ji)劇擴大,傳統的(de)(de)(de)針對(dui)小規(gui)模(mo)研究(jiu)(jiu)生(sheng)的(de)(de)(de)培(pei)養(yang)模(mo)式已很難滿(man)足當前的(de)(de)(de)教(jiao)育現狀,研究(jiu)(jiu)生(sheng)的(de)(de)(de)培(pei)養(yang)質(zhi)量暴露出許多亟待解決(jue)的(de)(de)(de)問(wen)題,尤(you)其對(dui)于工程應用類專業(ye),如何提高(gao)研究(jiu)(jiu)生(sheng)的(de)(de)(de)理論和實踐水平是非常棘手和緊(jin)迫的(de)(de)(de)問(wen)題之一,解決(jue)好這(zhe)一問(wen)題對(dui)全面提升(sheng)我國工程技(ji)術和管理人員的(de)(de)(de)整(zheng)體水平,保(bao)障工程安全可靠經濟運行(xing)具有重要現實意義。

水電(dian)作為我國電(dian)力工(gong)業長期發(fa)展的(de)(de)(de)(de)主要方針,在過去10年間(jian)實現了高(gao)速發(fa)展,三峽(xia)、龍(long)灘、小(xiao)灣、糯扎渡、溪洛(luo)渡、向(xiang)家壩等一大(da)批巨型水電(dian)站相(xiang)繼投入運行,標志著我國已經(jing)邁入了大(da)規模水電(dian)系統運行和管(guan)理(li)階段,與(yu)此同時水電(dian)專(zhuan)(zhuan)業人才需求也(ye)變得(de)非常(chang)強烈。水電(dian)調(diao)度專(zhuan)(zhuan)業有(you)典(dian)型的(de)(de)(de)(de)工(gong)程(cheng)應用特(te)色,對工(gong)程(cheng)技(ji)術(shu)和管(guan)理(li)人員(yuan)的(de)(de)(de)(de)專(zhuan)(zhuan)業知識(shi)特(te)別是實踐(jian)能力要求很高(gao),隨著水電(dian)調(diao)度和管(guan)理(li)越(yue)來(lai)越(yue)復雜(za),現階段人才的(de)(de)(de)(de)需求也(ye)轉(zhuan)移到(dao)碩士和博士等高(gao)層次研(yan)究人員(yuan),因而對研(yan)究生的(de)(de)(de)(de)培(pei)(pei)養(yang)提(ti)出(chu)了更高(gao)的(de)(de)(de)(de)要求。本文結(jie)合作者在研(yan)究生教育培(pei)(pei)養(yang)中(zhong)的(de)(de)(de)(de)實踐(jian)經(jing)驗,介(jie)紹了一種(zhong)基于(yu)專(zhuan)(zhuan)題任(ren)(ren)務的(de)(de)(de)(de)水電(dian)調(diao)度專(zhuan)(zhuan)業研(yan)究生培(pei)(pei)養(yang)模式,圍繞實際工(gong)程(cheng)課題,從(cong)任(ren)(ren)務設計、專(zhuan)(zhuan)業理(li)論學習、研(yan)究與(yu)開發(fa)、關(guan)鍵(jian)問題討論、成果評價等方面給出(chu)了詳(xiang)盡的(de)(de)(de)(de)專(zhuan)(zhuan)題實施(shi)方案。經(jing)過兩年的(de)(de)(de)(de)實踐(jian)檢(jian)驗,提(ti)出(chu)的(de)(de)(de)(de)培(pei)(pei)養(yang)模式確實有(you)助于(yu)深化研(yan)究生對專(zhuan)(zhuan)業知識(shi)的(de)(de)(de)(de)理(li)解,提(ti)高(gao)工(gong)程(cheng)實踐(jian)能力,可(ke)以(yi)為改善我國研(yan)究生培(pei)(pei)養(yang)水平提(ti)供一種(zhong)可(ke)行的(de)(de)(de)(de)思路。

1 水電調度專業(ye)研究生專題培養模(mo)式概述(shu)

正如上文所提(ti)(ti)及的(de),水(shui)(shui)電(dian)(dian)(dian)調度(du)專(zhuan)(zhuan)(zhuan)(zhuan)業(ye)的(de)研(yan)究(jiu)生培養(yang)在注重深化專(zhuan)(zhuan)(zhuan)(zhuan)業(ye)理(li)(li)論(lun)知識(shi)的(de)同時(shi),需要更(geng)加重視(shi)工(gong)程(cheng)實(shi)踐應(ying)用(yong),這對當前(qian)我(wo)國(guo)(guo)大(da)多數高(gao)校普遍采用(yong)的(de)“課本化”教(jiao)學(xue)(xue)培養(yang)方(fang)式提(ti)(ti)出(chu)了很大(da)挑戰。本文基(ji)于(yu)專(zhuan)(zhuan)(zhuan)(zhuan)題任(ren)(ren)務(wu)的(de)培養(yang)模式就是立(li)足于(yu)我(wo)國(guo)(guo)水(shui)(shui)電(dian)(dian)(dian)調度(du)和管理(li)(li)現在和長遠需求(qiu)提(ti)(ti)出(chu)的(de),這種(zhong)模式依托巨型水(shui)(shui)電(dian)(dian)(dian)站(zhan)水(shui)(shui)庫、特大(da)流域梯級水(shui)(shui)電(dian)(dian)(dian)站(zhan)群,以及省級和區域電(dian)(dian)(dian)網水(shui)(shui)電(dian)(dian)(dian)系統(tong)等代表性工(gong)程(cheng),針(zhen)對工(gong)程(cheng)實(shi)際中面臨的(de)關(guan)鍵科學(xue)(xue)技術難題和應(ying)用(yong)問題,構建具體(ti)的(de)專(zhuan)(zhuan)(zhuan)(zhuan)題任(ren)(ren)務(wu);同時(shi)結合(he)專(zhuan)(zhuan)(zhuan)(zhuan)題特點,分(fen)組分(fen)階段(duan)進行特定專(zhuan)(zhuan)(zhuan)(zhuan)題任(ren)(ren)務(wu)的(de)研(yan)究(jiu)與開發,以此(ci)強化研(yan)究(jiu)生的(de)理(li)(li)論(lun)知識(shi),增強學(xue)(xue)習興趣,加快專(zhuan)(zhuan)(zhuan)(zhuan)業(ye)入門速度(du),更(geng)重要的(de)是可以依托具體(ti)專(zhuan)(zhuan)(zhuan)(zhuan)題任(ren)(ren)務(wu),將理(li)(li)論(lun)與工(gong)程(cheng)實(shi)踐緊(jin)密結合(he),實(shi)現活學(xue)(xue)活用(yong),提(ti)(ti)高(gao)研(yan)究(jiu)生的(de)整體(ti)專(zhuan)(zhuan)(zhuan)(zhuan)業(ye)素養(yang)。

2 專題培養模式的實施方(fang)案(an)

2.1 專題任務設計(ji)

專題任(ren)(ren)務的(de)(de)(de)設計需(xu)要(yao)緊跟當前(qian)水電系統調度(du)的(de)(de)(de)前(qian)沿方向、涵蓋重要(yao)的(de)(de)(de)基(ji)礎理(li)論知識,同時(shi)需(xu)要(yao)兼顧研究生的(de)(de)(de)專業知識水平,目的(de)(de)(de)是激發(fa)學生對專題任(ren)(ren)務和解(jie)決實際(ji)問(wen)題的(de)(de)(de)興趣,同時(shi)也不會因為專題任(ren)(ren)務難度(du)過大(da)、方向過時(shi)無(wu)法調動學生的(de)(de)(de)積(ji)極主動性(xing)。

首先專(zhuan)題任務的來源是我(wo)國西(xi)南地區巨(ju)型(xing)水(shui)電(dian)(dian)(dian)站(zhan)、流域(yu)梯(ti)(ti)級水(shui)電(dian)(dian)(dian)站(zhan)群、以及電(dian)(dian)(dian)網水(shui)電(dian)(dian)(dian)系統等實際(ji)工程,由于(yu)電(dian)(dian)(dian)網水(shui)電(dian)(dian)(dian)系統規(gui)模較大,且調度問題復(fu)雜(za),所以一(yi)般選擇(ze)具有代表性(xing)的巨(ju)型(xing)水(shui)電(dian)(dian)(dian)站(zhan)或者流域(yu)干(gan)流梯(ti)(ti)級水(shui)電(dian)(dian)(dian)站(zhan)群作為任務研究對象,如龍灘、小(xiao)灣(wan)、糯扎渡(du)、溪洛(luo)渡(du)等巨(ju)型(xing)水(shui)電(dian)(dian)(dian)站(zhan),以及紅水(shui)河流域(yu)、瀾滄江(jiang)流域(yu)、金沙江(jiang)流域(yu)等。

第二,在研究對(dui)象確(que)定后,按照水電(dian)調(diao)度(du)(du)的問(wen)題(ti)類型(xing)劃分專題(ti)任務(wu),大致包(bao)括優(you)化(hua)調(diao)度(du)(du)規(gui)則、中長期優(you)化(hua)調(diao)度(du)(du)、短期優(you)化(hua)調(diao)度(du)(du)、實時調(diao)度(du)(du)和梯級AGC策(ce)略、廠內經濟(ji)運行等(deng)幾(ji)大類主要問(wen)題(ti)。

第(di)三(san),按(an)照由易至難的(de)(de)順序,設(she)計各個專題任務的(de)(de)分階(jie)段(duan)實施計劃,基(ji)本遵循從單(dan)庫到(dao)梯(ti)級、從單(dan)目標到(dao)多目標的(de)(de)思路確(que)定(ding)各階(jie)段(duan)的(de)(de)具體研(yan)究(jiu)問(wen)題。例如對于中(zhong)長期優(you)(you)(you)化(hua)(hua)調(diao)度(du)專題,第(di)一階(jie)段(duan)主要(yao)研(yan)究(jiu)單(dan)一龍頭水(shui)(shui)(shui)庫的(de)(de)年度(du)或季(ji)度(du)的(de)(de)調(diao)度(du)決策方案,采用發電(dian)量最大(da)作為優(you)(you)(you)化(hua)(hua)目標;第(di)二階(jie)段(duan)則集中(zhong)在流(liu)(liu)域梯(ti)級水(shui)(shui)(shui)庫群的(de)(de)聯合優(you)(you)(you)化(hua)(hua)調(diao)度(du)上,并(bing)分步驟進行單(dan)目標優(you)(you)(you)化(hua)(hua)和多目標優(you)(you)(you)化(hua)(hua);第(di)三(san)階(jie)段(duan)重點針對跨流(liu)(liu)域水(shui)(shui)(shui)電(dian)站水(shui)(shui)(shui)庫群補償優(you)(you)(you)化(hua)(hua)調(diao)度(du),研(yan)究(jiu)流(liu)(liu)域梯(ti)級間的(de)(de)補償優(you)(you)(you)化(hua)(hua)策略。

在設計(ji)完成后,由導師(shi)和研究(jiu)生(sheng)共同(tong)確定各組學生(sheng)的(de)研究(jiu)專題(ti),并制定專題(ti)研發、討論(lun)交流、以(yi)及評(ping)價(jia)考(kao)核的(de)詳細執行計(ji)劃。

2.2 專業理(li)論(lun)學習

在開展專(zhuan)題(ti)(ti)(ti)研(yan)(yan)究(jiu)之前,需要(yao)由研(yan)(yan)究(jiu)生(sheng)導師或(huo)者所(suo)在課題(ti)(ti)(ti)組(zu)教師統一進行為期8課時左右的(de)專(zhuan)業基(ji)礎理論(lun)教學(xue)(xue),目的(de)是讓(rang)學(xue)(xue)生(sheng)掌握(wo)水(shui)庫(群)調(diao)度相關的(de)基(ji)本概念、基(ji)本原理、常規計算方(fang)法,了解國內(nei)外水(shui)庫(群)調(diao)度的(de)發展歷程、研(yan)(yan)究(jiu)現狀、經典問(wen)題(ti)(ti)(ti)及求解算法、前沿(yan)問(wen)題(ti)(ti)(ti)等。與此同時,導師可以推薦一些水(shui)電調(diao)度領域(yu)權威專(zhuan)家(jia)和學(xue)(xue)者的(de)研(yan)(yan)究(jiu)論(lun)文和書籍,通過查閱這些經典論(lun)著,便于研(yan)(yan)究(jiu)生(sheng)掌握(wo)更(geng)多的(de)問(wen)題(ti)(ti)(ti)建模思路和求解方(fang)法細節,這對于開展專(zhuan)題(ti)(ti)(ti)研(yan)(yan)究(jiu)有非(fei)常重要(yao)的(de)作用。

2.3 專題(ti)研究與開發

水電調度專題主要包括三項任(ren)務,一是(shi)開展建模及求解算法研究(jiu),二(er)是(shi)利用(yong)(yong)計算機編制算法程序,三是(shi)開發系統用(yong)(yong)戶界面展示(shi)優化計算結果(guo)。

(1)水電(dian)調度是(shi)典(dian)型(xing)(xing)的(de)(de)大規(gui)(gui)模(mo)高維、離散、非線性復(fu)雜優化(hua)問(wen)(wen)題(ti)(ti),包括大量(liang)的(de)(de)電(dian)站、機組時間耦(ou)合(he)型(xing)(xing)約束(shu),以及系統空間耦(ou)合(he)型(xing)(xing)約束(shu),需要(yao)考慮(lv)發電(dian)、防洪、航(hang)運、生態、灌溉等多目(mu)(mu)標綜合(he)利用要(yao)求,所以該問(wen)(wen)題(ti)(ti)的(de)(de)建模(mo)求解(jie)是(shi)一項非常復(fu)雜的(de)(de)工作。這(zhe)項任務可以培(pei)養研究(jiu)生對實(shi)際(ji)工程(cheng)問(wen)(wen)題(ti)(ti)的(de)(de)理(li)(li)解(jie),通過研究(jiu)大規(gui)(gui)模(mo)復(fu)雜水電(dian)調度約束(shu)和多目(mu)(mu)標處(chu)理(li)(li)的(de)(de)簡化(hua)策(ce)略,掌握能夠(gou)準確反映實(shi)際(ji)工程(cheng)問(wen)(wen)題(ti)(ti)的(de)(de)數學建模(mo)方法,同時結合(he)模(mo)型(xing)(xing)特點,可以進一步研究(jiu)解(jie)決模(mo)型(xing)(xing)的(de)(de)優化(hua)算(suan)法,提升對實(shi)際(ji)問(wen)(wen)題(ti)(ti)的(de)(de)分析和解(jie)決能力。

(2)計(ji)算(suan)機編程(cheng)是解決水電優化(hua)調度(du)問(wen)題的(de)必備(bei)工具(ju),因本科階段(duan)計(ji)算(suan)機課(ke)程(cheng)的(de)差異,學生可(ke)以(yi)自由選擇最為(wei)熟悉的(de)編程(cheng)語言如JAVA或者C++等(deng)編制(zhi)算(suan)法(fa)程(cheng)序(xu)。同時,為(wei)保證算(suan)法(fa)流程(cheng)的(de)準(zhun)確(que)性以(yi)及(ji)提高算(suan)法(fa)編制(zhi)效率,可(ke)以(yi)從(cong)書籍或網絡(luo)上下載一些經(jing)典算(suan)法(fa)的(de)標(biao)準(zhun)程(cheng)序(xu),參考借鑒其(qi)實(shi)現思路(lu),使(shi)水電優化(hua)調度(du)算(suan)法(fa)程(cheng)序(xu)盡可(ke)能規范化(hua)、標(biao)準(zhun)化(hua)。

(3)水電調(diao)度(du)涉及到大量的(de)模型輸入條(tiao)件和(he)(he)輸出結(jie)果,若直接在程序中寫(xie)入或輸出這(zhe)些數據,既不利于修改(gai)維護,也無法(fa)(fa)直觀展(zhan)示調(diao)度(du)過(guo)程,所以利用(yong)(yong)JAVA等工具(ju)包(bao)開發輸入和(he)(he)輸出用(yong)(yong)戶界面是非常有必要的(de),通過(guo)這(zhe)項任(ren)務,可以提高學生(sheng)利用(yong)(yong)計算(suan)機(ji)工具(ju)解(jie)決實(shi)際工程問題的(de)能力,同時也能改(gai)善針對水電優化算(suan)法(fa)(fa)的(de)調(diao)試效率和(he)(he)查(cha)錯水平。

2.4 關鍵(jian)問題(ti)討論

受專(zhuan)業知識和(he)(he)(he)計算(suan)機(ji)水(shui)平的(de)(de)限制,學生在(zai)專(zhuan)題(ti)(ti)研究與開發過程中不可(ke)避(bi)免地會遇到優化調度算(suan)法和(he)(he)(he)計算(suan)機(ji)編(bian)程等方面的(de)(de)技術難(nan)題(ti)(ti)和(he)(he)(he)問題(ti)(ti),對(dui)于這種情況,導師(shi)需要定期組織各專(zhuan)題(ti)(ti)小組進(jin)行(xing)成(cheng)果匯報(bao)和(he)(he)(he)問題(ti)(ti)集中討(tao)論(lun),了解(jie)學生的(de)(de)專(zhuan)題(ti)(ti)實施進(jin)度,以及對(dui)問題(ti)(ti)的(de)(de)理(li)解(jie)水(shui)平,并針對(dui)一些共性的(de)(de)重(zhong)點(dian)難(nan)點(dian)問題(ti)(ti),進(jin)行(xing)詳細的(de)(de)剖析和(he)(he)(he)講解(jie),發散性地給出(chu)這些問題(ti)(ti)在(zai)實際工程中的(de)(de)產生原因和(he)(he)(he)常用(yong)的(de)(de)解(jie)決(jue)手(shou)段,拓寬(kuan)學生的(de)(de)專(zhuan)業知識面,加(jia)深其(qi)對(dui)問題(ti)(ti)的(de)(de)理(li)解(jie)。

2.5 專(zhuan)題成果評價(jia)

從三(san)個方面(mian)對(dui)(dui)專(zhuan)(zhuan)(zhuan)題成(cheng)果(guo)(guo)進行(xing)評(ping)價:一是(shi)在定(ding)期的(de)(de)(de)專(zhuan)(zhuan)(zhuan)題匯報(bao)(bao)中,由導師(shi)和(he)課題組其(qi)他教師(shi)組成(cheng)評(ping)委(wei)會,針對(dui)(dui)學(xue)生的(de)(de)(de)匯報(bao)(bao)成(cheng)果(guo)(guo)和(he)對(dui)(dui)問題的(de)(de)(de)回復(fu)情(qing)況(kuang)給出(chu)總體評(ping)分(fen);二是(shi)根據最終專(zhuan)(zhuan)(zhuan)題研究報(bao)(bao)告的(de)(de)(de)完(wan)成(cheng)情(qing)況(kuang)和(he)完(wan)成(cheng)水平確(que)定(ding)報(bao)(bao)告成(cheng)績;三(san)是(shi)考察各專(zhuan)(zhuan)(zhuan)題小組成(cheng)果(guo)(guo)的(de)(de)(de)創新性,是(shi)否已經或者可(ke)以提(ti)煉出(chu)可(ke)發表的(de)(de)(de)創新成(cheng)果(guo)(guo),目的(de)(de)(de)是(shi)鼓勵學(xue)生獨立完(wan)成(cheng)學(xue)術論文,這(zhe)對(dui)(dui)于培養學(xue)生的(de)(de)(de)邏輯思維(wei)能(neng)力(li)和(he)文筆(bi)功底是(shi)非常重要的(de)(de)(de)。

3 結語

作(zuo)為(wei)世(shi)界上(shang)水(shui)電(dian)(dian)裝(zhuang)機(ji)規模(mo)最大、調(diao)度(du)問題最為(wei)復(fu)雜的(de)(de)(de)國家,中國對(dui)于水(shui)電(dian)(dian)調(diao)度(du)和(he)管理人(ren)才(cai)的(de)(de)(de)專(zhuan)業(ye)水(shui)平(ping)(ping)和(he)實(shi)(shi)踐(jian)能(neng)力要求(qiu)極(ji)高,人(ren)才(cai)需(xu)(xu)求(qiu)非(fei)常強烈,迫切需(xu)(xu)要從高等教(jiao)育階段(duan)著(zhu)手全面(mian)提(ti)升碩士(shi)和(he)博士(shi)研(yan)(yan)究(jiu)生的(de)(de)(de)整體專(zhuan)業(ye)素養(yang),以及(ji)解決水(shui)電(dian)(dian)工程(cheng)實(shi)(shi)際問題的(de)(de)(de)實(shi)(shi)踐(jian)能(neng)力。本文提(ti)出的(de)(de)(de)基于專(zhuan)題任務的(de)(de)(de)水(shui)電(dian)(dian)調(diao)度(du)專(zhuan)業(ye)研(yan)(yan)究(jiu)生培養(yang)模(mo)式,可以調(diao)動學(xue)生的(de)(de)(de)積極(ji)性(xing),激發對(dui)專(zhuan)業(ye)知識的(de)(de)(de)學(xue)習興趣,提(ti)高研(yan)(yan)究(jiu)生的(de)(de)(de)科研(yan)(yan)創新(xin)水(shui)平(ping)(ping)和(he)計算機(ji)應用(yong)水(shui)平(ping)(ping)。多次實(shi)(shi)踐(jian)結果表明,一個(ge)學(xue)期左右的(de)(de)(de)專(zhuan)題培養(yang)可以使(shi)學(xue)生基本掌握水(shui)電(dian)(dian)調(diao)度(du)的(de)(de)(de)基礎理論知識和(he)計算機(ji)編程(cheng)技術,具備參與實(shi)(shi)際工程(cheng)項目和(he)獨立科研(yan)(yan)的(de)(de)(de)能(neng)力,可以為(wei)類(lei)似專(zhuan)業(ye)的(de)(de)(de)研(yan)(yan)究(jiu)生培養(yang)提(ti)供(gong)借(jie)鑒(jian)。

基金資助(zhu):教育(yu)部中央高校(xiao)基本(ben)科研業(ye)務費專項基金(DUT14RC(3)089)

參考文獻

[1] 王二寶,劉(liu)全(quan)菊(ju).關于提高研究生培養質(zhi)量的思考[J].高教發展與評估,2005.21(3):47-49.

[2] 桂淑華.電(dian)氣工程全日(ri)制專(zhuan)業學位研(yan)究生培養研(yan)究[J].中國(guo)電(dian)力教育(yu),2014.8:14-15.

[3] 張仰森(sen).基于導師角(jiao)度的研究生培養(yang)質量提升研究[J].中國電力教育,2014.12: 13-15.