概述
山秀水(shui)電站位于左江主干流(liu)下(xia)游(you)河(he)段,距崇左市扶綏縣約14km,距南寧市約90km,是一(yi)座(zuo)以發電為主、兼顧航運、灌(guan)溉等(deng)(deng)綜(zong)合效益的水(shui)利水(shui)電工程。壩(ba)址以上(shang)控制(zhi)流(liu)域面積29562平方公里,水(shui)庫(ku)總庫(ku)容(rong)(rong)為6.063億(yi)(yi)立(li)方米,為日(ri)調節水(shui)庫(ku);電站總裝機容(rong)(rong)量為78MW,廠內安裝3臺單機容(rong)(rong)量26MW的燈泡貫流(liu)式水(shui)輪發電機組;工程為二等(deng)(deng)工程,大壩(ba)等(deng)(deng)擋水(shui)建(jian)筑物(wu)為2級建(jian)筑物(wu),按(an)100年一(yi)遇洪(hong)(hong)(hong)水(shui)設計(ji),相(xiang)應(ying)洪(hong)(hong)(hong)水(shui)位和(he)庫(ku)容(rong)(rong)分別(bie)為92.80m和(he)4.795億(yi)(yi)立(li)方米;按(an)1000年一(yi)遇洪(hong)(hong)(hong)水(shui)校核(右(you)岸(an)接頭土壩(ba)為2000年),相(xiang)應(ying)洪(hong)(hong)(hong)水(shui)位和(he)庫(ku)容(rong)(rong)(總庫(ku)容(rong)(rong))分別(bie)為95.80m和(he)6.063億(yi)(yi)立(li)方米;水(shui)庫(ku)正(zheng)常蓄水(shui)位為86.50m,相(xiang)應(ying)庫(ku)容(rong)(rong)為2.855億(yi)(yi)立(li)方米;死水(shui)位為85.00m,相(xiang)應(ying)庫(ku)容(rong)(rong)為2.466億(yi)(yi)立(li)方米。
樞紐
山(shan)秀水(shui)(shui)(shui)電站是(shi)左江干梯級(ji)(ji)規劃中的第三梯級(ji)(ji),是(shi)一(yi)座以(yi)發電為(wei)主,兼(jian)顧航(hang)運、電灌、供水(shui)(shui)(shui)、養殖(zhi)、旅游(you)等綜(zong)合利用的水(shui)(shui)(shui)電工程(cheng)。水(shui)(shui)(shui)庫的正常蓄水(shui)(shui)(shui)位為(wei)86.5m,相(xiang)應庫容(rong)2.855億立方米。近期在下游(you)老(lao)口電站未投產前能更充分地利用該(gai)段水(shui)(shui)(shui)頭16.1m(裝(zhuang)(zhuang)機(ji)78mw),遠期仍保(bao)留一(yi)定的水(shui)(shui)(shui)頭12.5m(裝(zhuang)(zhuang)機(ji)54mw)船(chuan)閘(zha)通(tong)航(hang)標準為(wei)V級(ji)(ji)船(chuan)閘(zha)300t級(ji)(ji)頂推船(chuan)隊。本工程(cheng)屬Ⅱ級(ji)(ji)工程(cheng),擋水(shui)(shui)(shui)建(jian)筑物按100年一(yi)遇(yu)(yu)洪水(shui)(shui)(shui)設(she)計,100年一(yi)遇(yu)(yu)洪水(shui)(shui)(shui)校(xiao)核,溢流(liu)壩的最大壩高39.5m,堰頂高程(cheng)為(wei)71.5m 。電站裝(zhuang)(zhuang)設(she)3臺燈泡貫(guan)流(liu)式機(ji)組,單機(ji)容(rong)量(liang)26mw,總裝(zhuang)(zhuang)機(ji)容(rong)量(liang)78mw。
工程樞(shu)紐建筑物從左到右依次為左岸接(jie)頭重力壩、船閘、溢(yi)流壩、河(he)床式廠房、右岸接(jie)頭重力壩、右岸接(jie)頭土壩等組(zu)(zu)成。壩頂高(gao)程為98.40m(黃基),最大壩高(gao)40.50m,壩軸線總長435.96m。泄水建筑物由9孔溢(yi)流壩組(zu)(zu)成,采用弧形閘門和液(ye)壓啟(qi)閉機啟(qi)閉,閘門尺寸14m×16.5m(寬度(du)×高(gao)度(du)),堰(yan)頂高(gao)程70.50m,消(xiao)(xiao)能方(fang)式為底(di)流消(xiao)(xiao)能。大壩基礎(chu)主要由灰巖、白云(yun)質灰巖、白云(yun)巖等組(zu)(zu)成。地震基本烈(lie)度(du)為Ⅵ度(du)。
建設
工(gong)(gong)程(cheng)(cheng)于(yu)2003年(nian)3月(yue)(yue)21日(ri)正式(shi)開工(gong)(gong)興(xing)建,2005年(nian)6月(yue)(yue)6日(ri)通過一(yi)期水(shui)(shui)下工(gong)(gong)程(cheng)(cheng)驗收,2006年(nian)6月(yue)(yue)3日(ri)通過二(er)期水(shui)(shui)下工(gong)(gong)程(cheng)(cheng)驗收,2006年(nian)9月(yue)(yue)19日(ri)第一(yi)臺機組正式(shi)投(tou)產發電(dian)(dian),2007年(nian)8月(yue)(yue)通過中國水(shui)(shui)利(li)水(shui)(shui)電(dian)(dian)科學(xue)研(yan)究院的工(gong)(gong)程(cheng)(cheng)蓄水(shui)(shui)安全(quan)鑒定(ding),2007年(nian)8月(yue)(yue)9日(ri)最后一(yi)臺機組投(tou)產發電(dian)(dian)。工(gong)(gong)程(cheng)(cheng)設計單(dan)(dan)位(wei)為(wei)廣西(xi)南寧水(shui)(shui)利(li)電(dian)(dian)力設計院;施工(gong)(gong)單(dan)(dan)位(wei)為(wei)廣西(xi)壯族自治(zhi)區水(shui)(shui)電(dian)(dian)工(gong)(gong)程(cheng)(cheng)局,監(jian)理單(dan)(dan)位(wei)為(wei)廣西(xi)力元建設監(jian)理有限責(ze)任公(gong)司,主管單(dan)(dan)位(wei)為(wei)大唐(tang)廣源水(shui)(shui)力發電(dian)(dian)有限公(gong)司,運行單(dan)(dan)位(wei)為(wei)扶綏廣能電(dian)(dian)力開發有限公(gong)司。