工程概況
風(feng)(feng)灘水電(dian)站工(gong)程(cheng)位于(yu)四川省平(ping)昌(chang)(chang)縣巴河大風(feng)(feng)灘處,距平(ping)昌(chang)(chang)縣城11km,與雙灘水電(dian)站構成(cheng)巴河流(liu)域梯(ti)級電(dian)站。電(dian)站于(yu)70年代末建(jian)成(cheng),為漿砌石溢流(liu)壩,壩高(gao)17.56m,裝機(ji)容(rong)量(liang)為2×3.2MW。本次擴建(jian)工(gong)程(cheng)在原(yuan)電(dian)站大壩基(ji)礎上加壩4m,在原(yuan)廠(chang)房左側(ce)新建(jian)廠(chang)房,新增裝機(ji)2×9.0MW,擴建(jian)后(hou)電(dian)站總裝機(ji)24.4MW。
建設過程
鳳灘(tan)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)和(he)技(ji)改(gai)(gai)工(gong)(gong)程(cheng):鳳灘(tan)水(shui)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)位于(yu)雙灘(tan)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)下(xia)游28km的巴河(he)干流上(shang)(shang),電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)為70年(nian)代(dai)末建(jian)成的一座小型水(shui)電(dian)(dian)(dian)(dian)(dian)工(gong)(gong)程(cheng),電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)規劃裝(zhuang)機(ji)4臺(tai),實(shi)際(ji)裝(zhuang)機(ji)2臺(tai),裝(zhuang)機(ji)容(rong)量6.4MW,年(nian)發電(dian)(dian)(dian)(dian)(dian)量4200多(duo)萬kwh。隨著上(shang)(shang)游電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)的開工(gong)(gong)建(jian)設,為充分利用(yong)上(shang)(shang)游電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)水(shui)庫(ku)庫(ku)容(rong)的調節作用(yong),采取對電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)進行擴(kuo)建(jian)和(he)機(ji)組改(gai)(gai)造(zao)。風灘(tan)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)工(gong)(gong)程(cheng)為在原(yuan)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)大壩基(ji)礎(chu)上(shang)(shang)加壩4m,電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)正常蓄水(shui)位288.2m,新增電(dian)(dian)(dian)(dian)(dian)力裝(zhuang)機(ji)18MW,年(nian)發電(dian)(dian)(dian)(dian)(dian)量8500多(duo)萬kwh,電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)概(gai)(gai)算總投資1.637億(yi)元(yuan),實(shi)際(ji)完成各項投資近(jin)2億(yi)元(yuan)。風灘(tan)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)技(ji)改(gai)(gai)工(gong)(gong)程(cheng)為在現有(you)水(shui)工(gong)(gong)建(jian)筑不變基(ji)礎(chu)上(shang)(shang)將(jiang)現2×3.2MW機(ji)組技(ji)術(shu)改(gai)(gai)造(zao)為2×5MW,技(ji)改(gai)(gai)概(gai)(gai)算總投資為2700多(duo)萬元(yuan)。