金雞灘水(shui)電站位(wei)于右(you)江(jiang)(隆安(an)段(duan))上游河(he)段(duan),距(ju)隆安(an)縣城北西8km,距(ju)南寧市約96km,是一個(ge)以發電、航運為主,兼有防洪、供(gong)水(shui)、電灌(guan)、養殖(zhi)、旅游等綜合效(xiao)益的水(shui)利樞紐(niu)工程(cheng),電站裝機(ji)容量(liang)72兆瓦,年平均發電量(liang)3.343億千瓦時。
基本概述
壩址以上控制流(liu)域面積32506平方(fang)公(gong)里,水(shui)(shui)庫(ku)總庫(ku)容(rong)(rong)為(wei)(wei)2.309億(yi)立(li)方(fang)米(mi),為(wei)(wei)日調節水(shui)(shui)庫(ku);電(dian)站總裝機(ji)容(rong)(rong)量為(wei)(wei)72MW,廠內(nei)安裝3臺單機(ji)容(rong)(rong)量24MW的(de)燈泡貫流(liu)式水(shui)(shui)輪發電(dian)機(ji)組(zu)。原(yuan)設(she)計經批(pi)準工程(cheng)(cheng)為(wei)(wei)二等工程(cheng)(cheng),大壩等擋水(shui)(shui)建(jian)筑(zhu)物為(wei)(wei)3級建(jian)筑(zhu)物;工程(cheng)(cheng)按100年一遇(yu)洪水(shui)(shui)設(she)計,相(xiang)(xiang)應(ying)洪水(shui)(shui)位和(he)(he)庫(ku)容(rong)(rong)分別為(wei)(wei)97.16m和(he)(he)0.2044億(yi)立(li)方(fang)米(mi);按500年一遇(yu)洪水(shui)(shui)校核,相(xiang)(xiang)應(ying)洪水(shui)(shui)位和(he)(he)庫(ku)容(rong)(rong)(總庫(ku)容(rong)(rong))分別為(wei)(wei)98.59m和(he)(he)2.309億(yi)立(li)方(fang)米(mi);水(shui)(shui)庫(ku)正常蓄(xu)水(shui)(shui)位為(wei)(wei)88.60m,相(xiang)(xiang)應(ying)庫(ku)容(rong)(rong)為(wei)(wei)0.988億(yi)立(li)方(fang)米(mi);死水(shui)(shui)位為(wei)(wei)87.60m,相(xiang)(xiang)應(ying)庫(ku)容(rong)(rong)為(wei)(wei)0.886億(yi)立(li)方(fang)米(mi)。
工程建筑
工程樞紐建筑物從左到右依次(ci)為(wei)左岸接頭重力壩(ba)、船(chuan)閘(zha)、廠房、溢流(liu)(liu)壩(ba)、右岸接頭重力壩(ba)、開關(guan)站、主(zhu)(zhu)變(bian)平臺等組成。壩(ba)頂(ding)高(gao)(gao)程為(wei)102.70m,最大(da)壩(ba)高(gao)(gao)42.70m,壩(ba)軸線總長337.44m。泄水建筑物由(you)7孔溢流(liu)(liu)壩(ba)組成,采用弧形閘(zha)門和液壓啟閉(bi)機(ji)啟閉(bi),閘(zha)門尺寸16m×14.1m(寬度(du)×高(gao)(gao)度(du)),堰頂(ding)高(gao)(gao)程75.00m,消(xiao)能方式為(wei)底流(liu)(liu)消(xiao)能。大(da)壩(ba)基(ji)礎主(zhu)(zhu)要為(wei)粉(fen)砂質泥(ni)巖、泥(ni)巖,巖石完整均一,地(di)質條件良好(hao)。地(di)震基(ji)本烈度(du)為(wei)Ⅶ度(du)。
工程建設
工(gong)(gong)程(cheng)(cheng)于(yu)2003年(nian)(nian)12月(yue)(yue)7日(ri)開工(gong)(gong)建設(she),2005年(nian)(nian)6月(yue)(yue)10日(ri)通過(guo)一(yi)(yi)期水(shui)(shui)(shui)下工(gong)(gong)程(cheng)(cheng)驗(yan)收,2006年(nian)(nian)3月(yue)(yue)26日(ri)電站(zhan)(zhan)第一(yi)(yi)臺機組正式投產(chan)發(fa)(fa)電,2006年(nian)(nian)6月(yue)(yue)6日(ri)通過(guo)二期工(gong)(gong)程(cheng)(cheng)蓄(xu)水(shui)(shui)(shui)前階段驗(yan)收,2006年(nian)(nian)6月(yue)(yue)通過(guo)中國水(shui)(shui)(shui)利水(shui)(shui)(shui)電科學研究(jiu)院的工(gong)(gong)程(cheng)(cheng)蓄(xu)水(shui)(shui)(shui)安全鑒定,2007年(nian)(nian)1月(yue)(yue)10日(ri)通過(guo)工(gong)(gong)程(cheng)(cheng)蓄(xu)水(shui)(shui)(shui)階段驗(yan)收,2007年(nian)(nian)2月(yue)(yue)9日(ri)最后一(yi)(yi)臺機組投產(chan)發(fa)(fa)電,2007年(nian)(nian)9月(yue)(yue)廣西(xi)(xi)水(shui)(shui)(shui)電建設(she)工(gong)(gong)程(cheng)(cheng)質(zhi)量監(jian)督中心(xin)站(zhan)(zhan)對(dui)工(gong)(gong)程(cheng)(cheng)的施(shi)工(gong)(gong)質(zhi)量進行(xing)評價結論“金(jin)雞(ji)灘水(shui)(shui)(shui)利樞紐工(gong)(gong)程(cheng)(cheng)具備(bei)竣(jun)工(gong)(gong)驗(yan)收條件”。工(gong)(gong)程(cheng)(cheng)設(she)計單(dan)位(wei)為(wei)(wei)(wei)廣西(xi)(xi)南寧水(shui)(shui)(shui)利電力設(she)計院,監(jian)理(li)單(dan)位(wei)為(wei)(wei)(wei)廣西(xi)(xi)桂(gui)能工(gong)(gong)程(cheng)(cheng)咨詢有限(xian)(xian)公司,施(shi)工(gong)(gong)單(dan)位(wei)為(wei)(wei)(wei)廣西(xi)(xi)壯族(zu)自治區水(shui)(shui)(shui)電工(gong)(gong)程(cheng)(cheng)局,主(zhu)管單(dan)位(wei)為(wei)(wei)(wei)大唐廣源水(shui)(shui)(shui)力發(fa)(fa)電有限(xian)(xian)公司,運行(xing)單(dan)位(wei)為(wei)(wei)(wei)廣西(xi)(xi)隆安廣能電力開發(fa)(fa)有限(xian)(xian)公司。