工程概況
風灘水(shui)電(dian)站(zhan)工程位于四(si)川省(sheng)平昌縣巴河大風灘處,距平昌縣城11km,與雙灘水(shui)電(dian)站(zhan)構成(cheng)巴河流(liu)域梯級電(dian)站(zhan)。電(dian)站(zhan)于70年代末(mo)建成(cheng),為漿砌石溢(yi)流(liu)壩(ba),壩(ba)高(gao)17.56m,裝機容(rong)量(liang)為2×3.2MW。本次(ci)擴建工程在(zai)原電(dian)站(zhan)大壩(ba)基礎上加壩(ba)4m,在(zai)原廠房左側新(xin)建廠房,新(xin)增(zeng)裝機2×9.0MW,擴建后電(dian)站(zhan)總裝機24.4MW。
建設過程
鳳灘電(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)和(he)(he)技改(gai)工程(cheng):鳳灘水(shui)電(dian)(dian)(dian)站(zhan)位于雙(shuang)灘電(dian)(dian)(dian)站(zhan)下游28km的巴河(he)干流(liu)上,電(dian)(dian)(dian)站(zhan)為(wei)(wei)(wei)70年代末建(jian)成(cheng)的一座小(xiao)型水(shui)電(dian)(dian)(dian)工程(cheng),電(dian)(dian)(dian)站(zhan)規劃裝(zhuang)機(ji)4臺,實際(ji)裝(zhuang)機(ji)2臺,裝(zhuang)機(ji)容(rong)量6.4MW,年發電(dian)(dian)(dian)量4200多萬kwh。隨著上游電(dian)(dian)(dian)站(zhan)的開工建(jian)設,為(wei)(wei)(wei)充分利用(yong)(yong)上游電(dian)(dian)(dian)站(zhan)水(shui)庫庫容(rong)的調節作用(yong)(yong),采取對電(dian)(dian)(dian)站(zhan)進行擴(kuo)建(jian)和(he)(he)機(ji)組改(gai)造。風灘電(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)工程(cheng)為(wei)(wei)(wei)在原電(dian)(dian)(dian)站(zhan)大壩基礎上加壩4m,電(dian)(dian)(dian)站(zhan)正常蓄水(shui)位288.2m,新增(zeng)電(dian)(dian)(dian)力裝(zhuang)機(ji)18MW,年發電(dian)(dian)(dian)量8500多萬kwh,電(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)概(gai)算總投資1.637億(yi)元,實際(ji)完成(cheng)各項投資近(jin)2億(yi)元。風灘電(dian)(dian)(dian)站(zhan)技改(gai)工程(cheng)為(wei)(wei)(wei)在現有水(shui)工建(jian)筑不變(bian)基礎上將(jiang)現2×3.2MW機(ji)組技術改(gai)造為(wei)(wei)(wei)2×5MW,技改(gai)概(gai)算總投資為(wei)(wei)(wei)2700多萬元。