工程概況
風(feng)灘(tan)水電(dian)站(zhan)工(gong)程位于四川省平(ping)昌(chang)縣巴河(he)大風(feng)灘(tan)處,距平(ping)昌(chang)縣城11km,與雙(shuang)灘(tan)水電(dian)站(zhan)構成巴河(he)流(liu)域(yu)梯(ti)級(ji)電(dian)站(zhan)。電(dian)站(zhan)于70年代末建成,為漿砌石(shi)溢流(liu)壩(ba),壩(ba)高17.56m,裝(zhuang)(zhuang)機(ji)容量為2×3.2MW。本次擴建工(gong)程在原電(dian)站(zhan)大壩(ba)基礎上加壩(ba)4m,在原廠房左側(ce)新建廠房,新增裝(zhuang)(zhuang)機(ji)2×9.0MW,擴建后電(dian)站(zhan)總裝(zhuang)(zhuang)機(ji)24.4MW。
建設過程
鳳灘(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)和(he)技(ji)改(gai)(gai)(gai)工(gong)程(cheng):鳳灘(tan)(tan)水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)站(zhan)(zhan)位于雙灘(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)(zhan)下游(you)28km的(de)巴河干流上(shang)(shang),電(dian)(dian)(dian)(dian)站(zhan)(zhan)為(wei)70年(nian)代(dai)末建(jian)成的(de)一座小型水(shui)(shui)(shui)電(dian)(dian)(dian)(dian)工(gong)程(cheng),電(dian)(dian)(dian)(dian)站(zhan)(zhan)規劃裝(zhuang)機(ji)(ji)4臺,實際(ji)(ji)裝(zhuang)機(ji)(ji)2臺,裝(zhuang)機(ji)(ji)容(rong)量(liang)6.4MW,年(nian)發電(dian)(dian)(dian)(dian)量(liang)4200多萬(wan)kwh。隨著上(shang)(shang)游(you)電(dian)(dian)(dian)(dian)站(zhan)(zhan)的(de)開工(gong)建(jian)設(she),為(wei)充(chong)分利用上(shang)(shang)游(you)電(dian)(dian)(dian)(dian)站(zhan)(zhan)水(shui)(shui)(shui)庫庫容(rong)的(de)調節(jie)作用,采取(qu)對電(dian)(dian)(dian)(dian)站(zhan)(zhan)進行擴(kuo)建(jian)和(he)機(ji)(ji)組改(gai)(gai)(gai)造(zao)。風(feng)灘(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)工(gong)程(cheng)為(wei)在原電(dian)(dian)(dian)(dian)站(zhan)(zhan)大壩(ba)基礎上(shang)(shang)加壩(ba)4m,電(dian)(dian)(dian)(dian)站(zhan)(zhan)正常蓄水(shui)(shui)(shui)位288.2m,新增電(dian)(dian)(dian)(dian)力裝(zhuang)機(ji)(ji)18MW,年(nian)發電(dian)(dian)(dian)(dian)量(liang)8500多萬(wan)kwh,電(dian)(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)概算總投資1.637億元(yuan),實際(ji)(ji)完成各項投資近(jin)2億元(yuan)。風(feng)灘(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)(zhan)技(ji)改(gai)(gai)(gai)工(gong)程(cheng)為(wei)在現有水(shui)(shui)(shui)工(gong)建(jian)筑(zhu)不變基礎上(shang)(shang)將(jiang)現2×3.2MW機(ji)(ji)組技(ji)術改(gai)(gai)(gai)造(zao)為(wei)2×5MW,技(ji)改(gai)(gai)(gai)概算總投資為(wei)2700多萬(wan)元(yuan)。