金雞灘水(shui)電站位于右(you)江(隆(long)安段(duan))上游河段(duan),距(ju)隆(long)安縣城北西(xi)8km,距(ju)南寧市(shi)約96km,是一(yi)個以發電、航(hang)運為主,兼(jian)有防(fang)洪(hong)、供水(shui)、電灌、養(yang)殖(zhi)、旅游等綜合效(xiao)益(yi)的(de)水(shui)利樞紐工程,電站裝機容量72兆瓦,年平均發電量3.343億(yi)千瓦時。
基本概述
壩址以上控制(zhi)流(liu)域面積32506平方(fang)公里,水(shui)(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong)為(wei)(wei)2.309億立方(fang)米(mi),為(wei)(wei)日(ri)調(diao)節水(shui)(shui)(shui)(shui)庫(ku)(ku);電(dian)站總裝(zhuang)機容(rong)(rong)(rong)(rong)(rong)量為(wei)(wei)72MW,廠內安(an)裝(zhuang)3臺(tai)單機容(rong)(rong)(rong)(rong)(rong)量24MW的燈(deng)泡貫(guan)流(liu)式水(shui)(shui)(shui)(shui)輪發(fa)電(dian)機組(zu)。原(yuan)設計經(jing)批準工(gong)程為(wei)(wei)二(er)等(deng)工(gong)程,大(da)壩等(deng)擋水(shui)(shui)(shui)(shui)建筑(zhu)物為(wei)(wei)3級建筑(zhu)物;工(gong)程按(an)100年一(yi)遇洪水(shui)(shui)(shui)(shui)設計,相(xiang)應(ying)洪水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)和庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong)分別(bie)為(wei)(wei)97.16m和0.2044億立方(fang)米(mi);按(an)500年一(yi)遇洪水(shui)(shui)(shui)(shui)校核,相(xiang)應(ying)洪水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)和庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong)(總庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong))分別(bie)為(wei)(wei)98.59m和2.309億立方(fang)米(mi);水(shui)(shui)(shui)(shui)庫(ku)(ku)正(zheng)常蓄水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)為(wei)(wei)88.60m,相(xiang)應(ying)庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong)為(wei)(wei)0.988億立方(fang)米(mi);死水(shui)(shui)(shui)(shui)位(wei)(wei)(wei)為(wei)(wei)87.60m,相(xiang)應(ying)庫(ku)(ku)容(rong)(rong)(rong)(rong)(rong)為(wei)(wei)0.886億立方(fang)米(mi)。
工程建筑
工(gong)程樞紐(niu)建(jian)筑物從左到(dao)右依次為(wei)左岸接(jie)頭(tou)重力壩(ba)、船閘、廠房、溢(yi)流(liu)(liu)壩(ba)、右岸接(jie)頭(tou)重力壩(ba)、開(kai)關站、主變平臺等組(zu)成。壩(ba)頂(ding)(ding)高(gao)程為(wei)102.70m,最大壩(ba)高(gao)42.70m,壩(ba)軸(zhou)線總(zong)長(chang)337.44m。泄水建(jian)筑物由7孔溢(yi)流(liu)(liu)壩(ba)組(zu)成,采用(yong)弧形閘門和(he)液壓啟閉(bi)機啟閉(bi),閘門尺寸(cun)16m×14.1m(寬度×高(gao)度),堰頂(ding)(ding)高(gao)程75.00m,消能方(fang)式(shi)為(wei)底流(liu)(liu)消能。大壩(ba)基礎主要為(wei)粉砂質泥巖、泥巖,巖石完整均一,地(di)質條(tiao)件良好。地(di)震(zhen)基本烈度為(wei)Ⅶ度。
工程建設
工程于2003年(nian)12月(yue)7日(ri)(ri)(ri)開工建(jian)設(she),2005年(nian)6月(yue)10日(ri)(ri)(ri)通(tong)(tong)過(guo)(guo)一期水下工程驗收(shou),2006年(nian)3月(yue)26日(ri)(ri)(ri)電(dian)(dian)(dian)站第一臺機組正(zheng)式投產(chan)發(fa)電(dian)(dian)(dian),2006年(nian)6月(yue)6日(ri)(ri)(ri)通(tong)(tong)過(guo)(guo)二期工程蓄水前(qian)階(jie)段驗收(shou),2006年(nian)6月(yue)通(tong)(tong)過(guo)(guo)中國水利水電(dian)(dian)(dian)科學(xue)研(yan)究院(yuan)的工程蓄水安全鑒定,2007年(nian)1月(yue)10日(ri)(ri)(ri)通(tong)(tong)過(guo)(guo)工程蓄水階(jie)段驗收(shou),2007年(nian)2月(yue)9日(ri)(ri)(ri)最后一臺機組投產(chan)發(fa)電(dian)(dian)(dian),2007年(nian)9月(yue)廣(guang)(guang)西(xi)水電(dian)(dian)(dian)建(jian)設(she)工程質量監督中心站對(dui)工程的施工質量進行(xing)評(ping)價結論“金雞(ji)灘水利樞紐工程具備(bei)竣工驗收(shou)條件”。工程設(she)計(ji)單位(wei)為(wei)(wei)(wei)廣(guang)(guang)西(xi)南寧水利電(dian)(dian)(dian)力(li)設(she)計(ji)院(yuan),監理(li)單位(wei)為(wei)(wei)(wei)廣(guang)(guang)西(xi)桂能(neng)(neng)工程咨(zi)詢有限公司,施工單位(wei)為(wei)(wei)(wei)廣(guang)(guang)西(xi)壯族自治區(qu)水電(dian)(dian)(dian)工程局,主(zhu)管單位(wei)為(wei)(wei)(wei)大唐廣(guang)(guang)源水力(li)發(fa)電(dian)(dian)(dian)有限公司,運行(xing)單位(wei)為(wei)(wei)(wei)廣(guang)(guang)西(xi)隆安廣(guang)(guang)能(neng)(neng)電(dian)(dian)(dian)力(li)開發(fa)有限公司。