概述
山(shan)秀水(shui)(shui)(shui)(shui)(shui)(shui)電站(zhan)位(wei)于左江(jiang)主干(gan)流下游河段,距崇左市(shi)扶綏縣(xian)約14km,距南寧市(shi)約90km,是(shi)一(yi)(yi)座(zuo)以(yi)發(fa)(fa)電為(wei)(wei)(wei)主、兼顧航運、灌(guan)溉等綜合(he)效益的水(shui)(shui)(shui)(shui)(shui)(shui)利水(shui)(shui)(shui)(shui)(shui)(shui)電工(gong)程。壩址以(yi)上(shang)控制流域面(mian)積29562平(ping)方(fang)公里,水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)6.063億(yi)(yi)立(li)方(fang)米(mi)(mi),為(wei)(wei)(wei)日調節水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku);電站(zhan)總裝機(ji)容(rong)(rong)量為(wei)(wei)(wei)78MW,廠(chang)內安裝3臺單機(ji)容(rong)(rong)量26MW的燈泡貫(guan)流式水(shui)(shui)(shui)(shui)(shui)(shui)輪發(fa)(fa)電機(ji)組;工(gong)程為(wei)(wei)(wei)二等工(gong)程,大壩等擋水(shui)(shui)(shui)(shui)(shui)(shui)建筑物為(wei)(wei)(wei)2級建筑物,按(an)100年一(yi)(yi)遇洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)設(she)計,相(xiang)(xiang)應洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)和庫(ku)(ku)容(rong)(rong)分別(bie)為(wei)(wei)(wei)92.80m和4.795億(yi)(yi)立(li)方(fang)米(mi)(mi);按(an)1000年一(yi)(yi)遇洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)校(xiao)核(he)(右(you)岸接頭土壩為(wei)(wei)(wei)2000年),相(xiang)(xiang)應洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)和庫(ku)(ku)容(rong)(rong)(總庫(ku)(ku)容(rong)(rong))分別(bie)為(wei)(wei)(wei)95.80m和6.063億(yi)(yi)立(li)方(fang)米(mi)(mi);水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)正(zheng)常蓄水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)(wei)(wei)86.50m,相(xiang)(xiang)應庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)2.855億(yi)(yi)立(li)方(fang)米(mi)(mi);死水(shui)(shui)(shui)(shui)(shui)(shui)位(wei)為(wei)(wei)(wei)85.00m,相(xiang)(xiang)應庫(ku)(ku)容(rong)(rong)為(wei)(wei)(wei)2.466億(yi)(yi)立(li)方(fang)米(mi)(mi)。
樞紐
山秀水電站是左江干梯級規劃中的(de)(de)(de)(de)第三梯級,是一(yi)(yi)座(zuo)以發電為主,兼顧(gu)航運(yun)、電灌、供(gong)水、養殖、旅游(you)(you)等綜(zong)合利(li)用的(de)(de)(de)(de)水電工程。水庫的(de)(de)(de)(de)正(zheng)常蓄水位為86.5m,相應(ying)庫容2.855億立方米(mi)。近期(qi)在下游(you)(you)老口電站未投(tou)產(chan)前能更充分地利(li)用該段水頭16.1m(裝(zhuang)機(ji)78mw),遠期(qi)仍保留(liu)一(yi)(yi)定的(de)(de)(de)(de)水頭12.5m(裝(zhuang)機(ji)54mw)船(chuan)閘通航標準為V級船(chuan)閘300t級頂(ding)推船(chuan)隊。本工程屬Ⅱ級工程,擋水建筑物按100年一(yi)(yi)遇(yu)洪水設計,100年一(yi)(yi)遇(yu)洪水校核,溢流壩的(de)(de)(de)(de)最大壩高39.5m,堰頂(ding)高程為71.5m 。電站裝(zhuang)設3臺燈泡(pao)貫流式(shi)機(ji)組,單機(ji)容量26mw,總裝(zhuang)機(ji)容量78mw。
工程(cheng)(cheng)樞(shu)紐建(jian)筑物從左(zuo)到右依(yi)次為(wei)左(zuo)岸接頭重(zhong)力壩(ba)、船閘、溢流(liu)壩(ba)、河床式廠房、右岸接頭重(zhong)力壩(ba)、右岸接頭土(tu)壩(ba)等(deng)組(zu)成。壩(ba)頂(ding)高程(cheng)(cheng)為(wei)98.40m(黃基(ji)),最大(da)壩(ba)高40.50m,壩(ba)軸線總長435.96m。泄水(shui)建(jian)筑物由(you)9孔溢流(liu)壩(ba)組(zu)成,采用弧形(xing)閘門和液壓啟閉(bi)機啟閉(bi),閘門尺寸14m×16.5m(寬度×高度),堰(yan)頂(ding)高程(cheng)(cheng)70.50m,消能方式為(wei)底流(liu)消能。大(da)壩(ba)基(ji)礎主要(yao)由(you)灰(hui)巖、白云質灰(hui)巖、白云巖等(deng)組(zu)成。地(di)震基(ji)本烈(lie)度為(wei)Ⅵ度。
建設
工(gong)(gong)(gong)程(cheng)于2003年(nian)3月(yue)(yue)(yue)21日(ri)正式開工(gong)(gong)(gong)興建,2005年(nian)6月(yue)(yue)(yue)6日(ri)通過(guo)一期水(shui)下(xia)工(gong)(gong)(gong)程(cheng)驗收,2006年(nian)6月(yue)(yue)(yue)3日(ri)通過(guo)二期水(shui)下(xia)工(gong)(gong)(gong)程(cheng)驗收,2006年(nian)9月(yue)(yue)(yue)19日(ri)第一臺機組正式投產(chan)發(fa)電,2007年(nian)8月(yue)(yue)(yue)通過(guo)中國水(shui)利(li)水(shui)電科(ke)學研究院的工(gong)(gong)(gong)程(cheng)蓄(xu)水(shui)安全鑒(jian)定,2007年(nian)8月(yue)(yue)(yue)9日(ri)最(zui)后一臺機組投產(chan)發(fa)電。工(gong)(gong)(gong)程(cheng)設計單位(wei)為(wei)廣(guang)西(xi)南寧(ning)水(shui)利(li)電力(li)(li)設計院;施工(gong)(gong)(gong)單位(wei)為(wei)廣(guang)西(xi)壯族自治區水(shui)電工(gong)(gong)(gong)程(cheng)局,監理單位(wei)為(wei)廣(guang)西(xi)力(li)(li)元建設監理有限責(ze)任公司,主(zhu)管單位(wei)為(wei)大(da)唐廣(guang)源水(shui)力(li)(li)發(fa)電有限公司,運行單位(wei)為(wei)扶綏廣(guang)能電力(li)(li)開發(fa)有限公司。