獅子灘水電(dian)(dian)(dian)站(zhan)位(wei)于(yu)重慶市長壽區長壽湖鎮。建在新中國(guo)第一條梯(ti)級開發的(de)河流--龍(long)溪河,是我國(guo)第一個(ge)五年計(ji)劃重點建設項(xiang)(xiang)目。由蘇聯支(zhi)援建設。電(dian)(dian)(dian)站(zhan)興建于(yu)1954年,建成于(yu)1957年。第一臺機(ji)組(zu)于(yu)1956年10月1日并網(wang)發電(dian)(dian)(dian),電(dian)(dian)(dian)站(zhan)原裝(zhuang)(zhuang)有4臺單機(ji)容(rong)量為(wei)12MW的(de)水輪發電(dian)(dian)(dian)機(ji)組(zu),設計(ji)年均(jun)發電(dian)(dian)(dian)量為(wei)2.06億kW.h。年有效(xiao)運(yun)行小(xiao)時(shi)為(wei)4290h,機(ji)組(zu)立項(xiang)(xiang)改造(zao)前安裝(zhuang)(zhuang)投運(yun)以來共發電(dian)(dian)(dian)(截(jie)止1992年底)63.41億kW.h,有效(xiao)運(yun)行小(xiao)時(shi)(截(jie)止1992年底)為(wei)65.62萬(wan)(wan)h,其中:1號機(ji)運(yun)行17.3萬(wan)(wan)h,發電(dian)(dian)(dian)16.31億kW.h;2號機(ji)運(yun)行15.4萬(wan)(wan)h,發電(dian)(dian)(dian)15.06億kW.h;3號機(ji)運(yun)行16.8萬(wan)(wan)h,發電(dian)(dian)(dian)1.61億kW.h;4號機(ji)運(yun)行16.09萬(wan)(wan)h,發電(dian)(dian)(dian)15.95kW.h。
樞紐
獅子灘電站是龍溪河(he)梯級(ji)電站的(de)第一(yi)級(ji),首部有(you)庫容為10.28億立(li)(li)方米(有(you)效庫容7.48億立(li)(li)方米)的(de)多(duo)年(nian)調節水(shui)庫,控(kong)制流(liu)域面(mian)積3020平方公里,多(duo)年(nian)平均流(liu)量(liang)(liang)44.8秒(miao)立(li)(li)米,設(she)計洪(hong)水(shui)流(liu)量(liang)(liang)4.080秒(miao)立(li)(li)米,設(she)計灌溉面(mian)積0.5萬畝,裝機容量(liang)(liang)4.8 萬千(qian)瓦。
主壩(ba)壩(ba)型為鋼筋混(hun)凝土(tu)斜(xie)墻堆石(shi)壩(ba),最大壩(ba)高52米(mi)(mi),壩(ba)頂長度1014.3米(mi)(mi)(主壩(ba)),壩(ba)基(ji)巖(yan)石(shi)為砂質(zhi)粘土(tu)巖(yan)和泥質(zhi)砂巖(yan),壩(ba)體工程量堆石(shi)為40.5萬(wan)立米(mi)(mi),混(hun)凝土(tu)為24萬(wan)立米(mi)(mi),主要泄洪方式為岸邊溢洪道。
獅子(zi)灘水(shui)(shui)(shui)庫(ku)經過長度為(wei)(wei)1462.5m、直徑為(wei)(wei)5m的(de)(de)壓(ya)力隧洞、差動式調壓(ya)井及(ji)長度為(wei)(wei)133.213m、直徑為(wei)(wei)5m的(de)(de)壓(ya)力鋼(gang)管及(ji)4根直徑為(wei)(wei)2.6m的(de)(de)鋼(gang)支管分別引(yin)水(shui)(shui)(shui)至各機組。各機組壓(ya)力水(shui)(shui)(shui)道長度分別為(wei)(wei):1636.18m(1號);1638.978m(2號);1642.131m(3號),1644.83m(4號)。
效益
建成(cheng)后,梯(ti)級電(dian)(dian)站(zhan)在(zai)重慶系(xi)統(tong)中擔(dan)負調(diao)(diao)頻、調(diao)(diao)相、調(diao)(diao)峰和(he)事故備用等任務。隨著(zhu)電(dian)(dian)網(wang)的擴大(da),1975年四川省形成(cheng)了(le)統(tong)一電(dian)(dian)網(wang),陸續修建了(le)一批大(da)、中型水電(dian)(dian)站(zhan)。但(dan)是,網(wang)內水電(dian)(dian)站(zhan)除(chu)龍溪(xi)河梯(ti)級和(he)我廠大(da)洪河電(dian)(dian)站(zhan)(有不完全(quan)年調(diao)(diao)節水庫,電(dian)(dian)站(zhan)裝機(ji)35MW)外,均(jun)為逕流式電(dian)(dian)站(zhan),因(yin)此,龍溪(xi)河梯(ti)級電(dian)(dian)站(zhan)在(zai)系(xi)統(tong)中擔(dan)負了(le)對川西逕流電(dian)(dian)站(zhan)一定的補償調(diao)(diao)節作用。
歷史
長壽獅子(zi)灘水(shui)電(dian)(dian)站(zhan)(zhan)興建(jian)(jian)于1954年(nian),建(jian)(jian)成于1957年(nian),是(shi)我國第(di)(di)一個五年(nian)計劃(hua)第(di)(di)一批水(shui)電(dian)(dian)站(zhan)(zhan)中最大的(de)工程建(jian)(jian)設項目,也是(shi)新中國第(di)(di)一個自己(ji)設計、自己(ji)施(shi)工的(de)全流域(yu)梯(ti)級水(shui)電(dian)(dian)開(kai)發工程。龍溪(xi)河水(shui)電(dian)(dian)開(kai)發建(jian)(jian)設,得到了(le)黨和國家領導(dao)人(ren)的(de)高(gao)度(du)重視,周恩來(lai)、朱(zhu)德、李富春、李先(xian)(xian)念(nian),等老一輩無產階級革命家都曾先(xian)(xian)后(hou)親臨電(dian)(dian)站(zhan)(zhan)視察。水(shui)電(dian)(dian)站(zhan)(zhan)第(di)(di)一任施(shi)工隊(dui)隊(dui)長為胡流栓(shuan)。