金雞(ji)灘水電(dian)站(zhan)位于右江(隆(long)安(an)段(duan))上游河段(duan),距隆(long)安(an)縣城北(bei)西8km,距南(nan)寧市約(yue)96km,是一個(ge)以發電(dian)、航運為主,兼有防洪(hong)、供水、電(dian)灌(guan)、養殖、旅(lv)游等綜合效益的水利樞紐工(gong)程,電(dian)站(zhan)裝機容量(liang)72兆瓦,年(nian)平均發電(dian)量(liang)3.343億千瓦時(shi)。
基本概述
壩址以(yi)上控制流域面積32506平方(fang)公(gong)里,水(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)2.309億(yi)立(li)(li)方(fang)米(mi),為(wei)(wei)(wei)日調節水(shui)庫(ku)(ku);電站總裝機容(rong)(rong)量為(wei)(wei)(wei)72MW,廠內(nei)安裝3臺單機容(rong)(rong)量24MW的燈泡貫(guan)流式水(shui)輪發電機組。原設(she)計(ji)(ji)經批準工(gong)(gong)程為(wei)(wei)(wei)二等(deng)工(gong)(gong)程,大壩等(deng)擋水(shui)建筑物(wu)(wu)為(wei)(wei)(wei)3級建筑物(wu)(wu);工(gong)(gong)程按100年(nian)一(yi)遇(yu)(yu)洪(hong)水(shui)設(she)計(ji)(ji),相應洪(hong)水(shui)位和庫(ku)(ku)容(rong)(rong)分別為(wei)(wei)(wei)97.16m和0.2044億(yi)立(li)(li)方(fang)米(mi);按500年(nian)一(yi)遇(yu)(yu)洪(hong)水(shui)校核,相應洪(hong)水(shui)位和庫(ku)(ku)容(rong)(rong)(總庫(ku)(ku)容(rong)(rong))分別為(wei)(wei)(wei)98.59m和2.309億(yi)立(li)(li)方(fang)米(mi);水(shui)庫(ku)(ku)正常(chang)蓄(xu)水(shui)位為(wei)(wei)(wei)88.60m,相應庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)0.988億(yi)立(li)(li)方(fang)米(mi);死水(shui)位為(wei)(wei)(wei)87.60m,相應庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)0.886億(yi)立(li)(li)方(fang)米(mi)。
工程建筑
工程樞紐建筑物從左(zuo)到右依次為(wei)(wei)左(zuo)岸接頭(tou)重(zhong)力壩、船閘(zha)(zha)、廠房(fang)、溢流(liu)壩、右岸接頭(tou)重(zhong)力壩、開(kai)關站、主(zhu)變平臺等組成。壩頂高程為(wei)(wei)102.70m,最(zui)大壩高42.70m,壩軸(zhou)線總長337.44m。泄水建筑物由7孔溢流(liu)壩組成,采(cai)用(yong)弧形閘(zha)(zha)門和液壓啟(qi)閉機啟(qi)閉,閘(zha)(zha)門尺寸(cun)16m×14.1m(寬度×高度),堰頂高程75.00m,消能方式為(wei)(wei)底流(liu)消能。大壩基(ji)礎(chu)主(zhu)要為(wei)(wei)粉砂質泥巖(yan)、泥巖(yan),巖(yan)石(shi)完整均一,地質條件(jian)良好。地震基(ji)本(ben)烈度為(wei)(wei)Ⅶ度。
工程建設
工(gong)(gong)(gong)程(cheng)(cheng)于2003年(nian)12月7日開(kai)工(gong)(gong)(gong)建設(she),2005年(nian)6月10日通(tong)(tong)(tong)過(guo)一期(qi)水(shui)(shui)(shui)下工(gong)(gong)(gong)程(cheng)(cheng)驗收,2006年(nian)3月26日電(dian)站第一臺機組正(zheng)式投(tou)產發(fa)(fa)(fa)電(dian),2006年(nian)6月6日通(tong)(tong)(tong)過(guo)二期(qi)工(gong)(gong)(gong)程(cheng)(cheng)蓄水(shui)(shui)(shui)前階(jie)段驗收,2006年(nian)6月通(tong)(tong)(tong)過(guo)中國水(shui)(shui)(shui)利水(shui)(shui)(shui)電(dian)科學研(yan)究院(yuan)的(de)工(gong)(gong)(gong)程(cheng)(cheng)蓄水(shui)(shui)(shui)安(an)全鑒定,2007年(nian)1月10日通(tong)(tong)(tong)過(guo)工(gong)(gong)(gong)程(cheng)(cheng)蓄水(shui)(shui)(shui)階(jie)段驗收,2007年(nian)2月9日最(zui)后一臺機組投(tou)產發(fa)(fa)(fa)電(dian),2007年(nian)9月廣(guang)西(xi)水(shui)(shui)(shui)電(dian)建設(she)工(gong)(gong)(gong)程(cheng)(cheng)質(zhi)量監(jian)督中心站對(dui)工(gong)(gong)(gong)程(cheng)(cheng)的(de)施(shi)工(gong)(gong)(gong)質(zhi)量進行(xing)評價結論(lun)“金(jin)雞(ji)灘(tan)水(shui)(shui)(shui)利樞(shu)紐(niu)工(gong)(gong)(gong)程(cheng)(cheng)具備(bei)竣工(gong)(gong)(gong)驗收條(tiao)件(jian)”。工(gong)(gong)(gong)程(cheng)(cheng)設(she)計單(dan)(dan)位(wei)為(wei)廣(guang)西(xi)南寧水(shui)(shui)(shui)利電(dian)力設(she)計院(yuan),監(jian)理(li)單(dan)(dan)位(wei)為(wei)廣(guang)西(xi)桂能(neng)(neng)工(gong)(gong)(gong)程(cheng)(cheng)咨(zi)詢有限(xian)(xian)公(gong)司(si),施(shi)工(gong)(gong)(gong)單(dan)(dan)位(wei)為(wei)廣(guang)西(xi)壯族自治區水(shui)(shui)(shui)電(dian)工(gong)(gong)(gong)程(cheng)(cheng)局,主管(guan)單(dan)(dan)位(wei)為(wei)大(da)唐廣(guang)源水(shui)(shui)(shui)力發(fa)(fa)(fa)電(dian)有限(xian)(xian)公(gong)司(si),運行(xing)單(dan)(dan)位(wei)為(wei)廣(guang)西(xi)隆安(an)廣(guang)能(neng)(neng)電(dian)力開(kai)發(fa)(fa)(fa)有限(xian)(xian)公(gong)司(si)。