概述
山秀水電(dian)(dian)站(zhan)位于左江主干流下游河段,距崇左市(shi)扶綏縣約(yue)14km,距南寧市(shi)約(yue)90km,是一(yi)座以發電(dian)(dian)為(wei)主、兼顧航運(yun)、灌(guan)溉等(deng)綜合效益的(de)水利水電(dian)(dian)工程(cheng)(cheng)。壩址以上控制流域面積29562平方公(gong)里,水庫總庫容(rong)(rong)(rong)為(wei)6.063億(yi)立(li)(li)(li)方米(mi),為(wei)日調節水庫;電(dian)(dian)站(zhan)總裝機容(rong)(rong)(rong)量為(wei)78MW,廠內安裝3臺單機容(rong)(rong)(rong)量26MW的(de)燈泡貫流式水輪發電(dian)(dian)機組;工程(cheng)(cheng)為(wei)二等(deng)工程(cheng)(cheng),大壩等(deng)擋水建(jian)筑(zhu)物為(wei)2級(ji)建(jian)筑(zhu)物,按(an)100年一(yi)遇洪(hong)水設計,相(xiang)應(ying)洪(hong)水位和(he)庫容(rong)(rong)(rong)分別(bie)為(wei)92.80m和(he)4.795億(yi)立(li)(li)(li)方米(mi);按(an)1000年一(yi)遇洪(hong)水校核(he)(右岸接頭(tou)土壩為(wei)2000年),相(xiang)應(ying)洪(hong)水位和(he)庫容(rong)(rong)(rong)(總庫容(rong)(rong)(rong))分別(bie)為(wei)95.80m和(he)6.063億(yi)立(li)(li)(li)方米(mi);水庫正常蓄水位為(wei)86.50m,相(xiang)應(ying)庫容(rong)(rong)(rong)為(wei)2.855億(yi)立(li)(li)(li)方米(mi);死水位為(wei)85.00m,相(xiang)應(ying)庫容(rong)(rong)(rong)為(wei)2.466億(yi)立(li)(li)(li)方米(mi)。
樞紐
山秀水(shui)(shui)(shui)電站(zhan)是(shi)左(zuo)江干梯(ti)級規劃中的(de)第三梯(ti)級,是(shi)一(yi)座(zuo)以發(fa)電為(wei)(wei)主(zhu),兼顧航運、電灌、供水(shui)(shui)(shui)、養殖、旅游(you)等(deng)綜合利用(yong)(yong)的(de)水(shui)(shui)(shui)電工程。水(shui)(shui)(shui)庫(ku)的(de)正(zheng)常蓄水(shui)(shui)(shui)位為(wei)(wei)86.5m,相應(ying)庫(ku)容(rong)(rong)2.855億立方米(mi)。近期在下游(you)老口(kou)電站(zhan)未投產前能(neng)更充分(fen)地利用(yong)(yong)該段水(shui)(shui)(shui)頭16.1m(裝(zhuang)(zhuang)機(ji)78mw),遠期仍保留一(yi)定的(de)水(shui)(shui)(shui)頭12.5m(裝(zhuang)(zhuang)機(ji)54mw)船閘通航標準(zhun)為(wei)(wei)V級船閘300t級頂推船隊(dui)。本工程屬Ⅱ級工程,擋(dang)水(shui)(shui)(shui)建筑(zhu)物按100年(nian)一(yi)遇洪水(shui)(shui)(shui)設計,100年(nian)一(yi)遇洪水(shui)(shui)(shui)校核,溢流(liu)壩的(de)最(zui)大壩高39.5m,堰(yan)頂高程為(wei)(wei)71.5m 。電站(zhan)裝(zhuang)(zhuang)設3臺燈泡貫流(liu)式機(ji)組,單(dan)機(ji)容(rong)(rong)量26mw,總裝(zhuang)(zhuang)機(ji)容(rong)(rong)量78mw。
工程(cheng)樞紐建筑(zhu)物從左(zuo)到右(you)依次(ci)為(wei)左(zuo)岸(an)接(jie)頭(tou)重力(li)壩(ba)(ba)(ba)、船閘、溢(yi)流(liu)壩(ba)(ba)(ba)、河床式廠房、右(you)岸(an)接(jie)頭(tou)重力(li)壩(ba)(ba)(ba)、右(you)岸(an)接(jie)頭(tou)土壩(ba)(ba)(ba)等組(zu)成(cheng)(cheng)(cheng)。壩(ba)(ba)(ba)頂高(gao)程(cheng)為(wei)98.40m(黃基(ji)),最(zui)大(da)壩(ba)(ba)(ba)高(gao)40.50m,壩(ba)(ba)(ba)軸線總(zong)長435.96m。泄水建筑(zhu)物由(you)9孔(kong)溢(yi)流(liu)壩(ba)(ba)(ba)組(zu)成(cheng)(cheng)(cheng),采用弧形閘門(men)和液壓(ya)啟(qi)閉機啟(qi)閉,閘門(men)尺寸14m×16.5m(寬度×高(gao)度),堰頂高(gao)程(cheng)70.50m,消能方式為(wei)底流(liu)消能。大(da)壩(ba)(ba)(ba)基(ji)礎主要由(you)灰巖、白云(yun)質灰巖、白云(yun)巖等組(zu)成(cheng)(cheng)(cheng)。地震基(ji)本(ben)烈度為(wei)Ⅵ度。
建設
工(gong)程于2003年(nian)(nian)3月21日正(zheng)式開(kai)工(gong)興建,2005年(nian)(nian)6月6日通過(guo)一期(qi)水(shui)(shui)(shui)(shui)下工(gong)程驗收(shou),2006年(nian)(nian)6月3日通過(guo)二期(qi)水(shui)(shui)(shui)(shui)下工(gong)程驗收(shou),2006年(nian)(nian)9月19日第一臺機組正(zheng)式投(tou)產發電,2007年(nian)(nian)8月通過(guo)中國水(shui)(shui)(shui)(shui)利水(shui)(shui)(shui)(shui)電科學研究院的工(gong)程蓄水(shui)(shui)(shui)(shui)安(an)全鑒定(ding),2007年(nian)(nian)8月9日最(zui)后一臺機組投(tou)產發電。工(gong)程設(she)計(ji)單位(wei)為(wei)(wei)廣西南(nan)寧水(shui)(shui)(shui)(shui)利電力(li)設(she)計(ji)院;施工(gong)單位(wei)為(wei)(wei)廣西壯族自治區水(shui)(shui)(shui)(shui)電工(gong)程局,監(jian)理單位(wei)為(wei)(wei)廣西力(li)元建設(she)監(jian)理有(you)限(xian)責任公(gong)(gong)司(si),主(zhu)管單位(wei)為(wei)(wei)大唐廣源(yuan)水(shui)(shui)(shui)(shui)力(li)發電有(you)限(xian)公(gong)(gong)司(si),運行單位(wei)為(wei)(wei)扶綏廣能電力(li)開(kai)發有(you)限(xian)公(gong)(gong)司(si)。