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水電集團施工的龍灘電站首批3臺機組投產發電

文章(zhang)來源:中國水(shui)利(li)水(shui)電建設(she)集團公司  發布時間(jian):2008-12-27

  12月(yue)26日上午,中國水電(dian)(dian)(dian)集(ji)(ji)團擔綱建(jian)設的我國目前投產(chan)發電(dian)(dian)(dian)的第二大水電(dian)(dian)(dian)工程(cheng)——龍灘水電(dian)(dian)(dian)工程(cheng)首(shou)批3臺機(ji)組(zu)提(ti)前投產(chan)發電(dian)(dian)(dian),廣西壯族自治區人民政(zheng)府(fu)、貴州省人民政(zheng)府(fu)和(he)中國大唐集(ji)(ji)團公司在龍灘水電(dian)(dian)(dian)站隆重舉行發電(dian)(dian)(dian)慶(qing)典儀式。

  國務院(yuan)副總(zong)理曾培炎發(fa)來(lai)(lai)賀電(dian):六(liu)年來(lai)(lai),龍灘(tan)水電(dian)工(gong)程瞄準“精(jing)品工(gong)程”、“綠色工(gong)程”、“和諧工(gong)程”的(de)目(mu)標,精(jing)心施工(gong),科學(xue)管理,初(chu)步實現了(le)又好又快(kuai)建設(she)、安全高效(xiao)生產(chan),在(zai)我國水電(dian)建設(she)史上寫(xie)下(xia)了(le)新(xin)的(de)一頁。

  龍(long)灘水(shui)(shui)電(dian)工(gong)(gong)(gong)(gong)程(cheng)位于廣西(xi)(xi)壯族(zu)自治區天(tian)峨縣境內,是紅(hong)水(shui)(shui)河梯級開發(fa)龍(long)頭骨干控制性(xing)工(gong)(gong)(gong)(gong)程(cheng),21世(shi)紀我(wo)國第一個(ge)舉世(shi)矚目(mu)的(de)(de)特大(da)型水(shui)(shui)電(dian)工(gong)(gong)(gong)(gong)程(cheng),國家西(xi)(xi)部大(da)開發(fa)標志(zhi)性(xing)工(gong)(gong)(gong)(gong)程(cheng)和“西(xi)(xi)電(dian)東送”的(de)(de)戰略工(gong)(gong)(gong)(gong)程(cheng)之一。規劃總裝機(ji)(ji)容量630萬(wan)千瓦(wa)(wa),安裝9臺70萬(wan)千瓦(wa)(wa)的(de)(de)全空(kong)冷式水(shui)(shui)輪發(fa)電(dian)機(ji)(ji)組,是我(wo)國目(mu)前投(tou)產發(fa)電(dian)的(de)(de)第二大(da)水(shui)(shui)電(dian)工(gong)(gong)(gong)(gong)程(cheng)。該工(gong)(gong)(gong)(gong)程(cheng)擁有四項世(shi)界(jie)之最(zui)(zui):世(shi)界(jie)上最(zui)(zui)高(gao)(gao)的(de)(de)碾壓混(hun)凝(ning)土大(da)壩、最(zui)(zui)大(da)的(de)(de)地下廠(chang)房(fang)、提升高(gao)(gao)度(du)最(zui)(zui)高(gao)(gao)的(de)(de)垂(chui)直升船(chuan)機(ji)(ji)及單(dan)機(ji)(ji)容量最(zui)(zui)大(da)的(de)(de)70萬(wan)千瓦(wa)(wa)全空(kong)冷式水(shui)(shui)輪發(fa)電(dian)機(ji)(ji)組。工(gong)(gong)(gong)(gong)程(cheng)規模之大(da)、技術含量之高(gao)(gao)、施(shi)工(gong)(gong)(gong)(gong)難度(du)之大(da),為(wei)水(shui)(shui)電(dian)工(gong)(gong)(gong)(gong)程(cheng)所罕見。

  中(zhong)國(guo)(guo)水(shui)電集(ji)團擔綱主力,為中(zhong)國(guo)(guo)水(shui)電第(di)一(yi)品牌再添(tian)光(guang)彩(cai)。以中(zhong)國(guo)(guo)水(shui)電七局(ju)為責任(ren)方(fang)組成的(de)(de)七局(ju)八局(ju)葛洲壩(ba)(ba)聯營體承擔大(da)(da)(da)(da)壩(ba)(ba)施(shi)工(gong)(gong),他們為大(da)(da)(da)(da)壩(ba)(ba)量(liang)身打造了(le)世(shi)界最先進的(de)(de)建壩(ba)(ba)技術“特殊氣候下的(de)(de)碾壓混凝(ning)土(tu)大(da)(da)(da)(da)壩(ba)(ba)快速(su)施(shi)工(gong)(gong)技術”,成功地(di)攻克了(le)高溫季節大(da)(da)(da)(da)倉位混凝(ning)土(tu)施(shi)工(gong)(gong)的(de)(de)溫控難題,并實現(xian)了(le)大(da)(da)(da)(da)壩(ba)(ba)澆筑(zhu)(zhu)的(de)(de)完全流水(shui)線作(zuo)業(ye),創造了(le)水(shui)電行(xing)業(ye)大(da)(da)(da)(da)壩(ba)(ba)主體工(gong)(gong)程(cheng)(cheng)單倉日澆筑(zhu)(zhu)15816立方(fang)米混凝(ning)土(tu)的(de)(de)世(shi)界紀錄。2007年11月,作(zuo)為中(zhong)國(guo)(guo)的(de)(de)唯一(yi)代表,龍灘(tan)大(da)(da)(da)(da)壩(ba)(ba)被國(guo)(guo)際大(da)(da)(da)(da)壩(ba)(ba)委員會、中(zhong)國(guo)(guo)大(da)(da)(da)(da)壩(ba)(ba)委員會和(he)西班牙大(da)(da)(da)(da)壩(ba)(ba)委員會首次授予“碾壓混凝(ning)土(tu)國(guo)(guo)際性(xing)里程(cheng)(cheng)碑工(gong)(gong)程(cheng)(cheng)”榮譽。

  該工(gong)(gong)程(cheng)(cheng)2001年(nian)7月(yue)(yue)1日(ri)開工(gong)(gong)以(yi)來,大(da)壩完(wan)成(cheng)混(hun)凝土澆(jiao)筑660多萬立方米,大(da)壩混(hun)凝土施工(gong)(gong)最高澆(jiao)筑到(dao)壩頂382米高程(cheng)(cheng),為(wei)蓄水(shui)發(fa)電(dian)奠(dian)定堅實基(ji)礎;2006年(nian)9月(yue)(yue)30日(ri),工(gong)(gong)程(cheng)(cheng)順利提(ti)前下閘(zha)蓄水(shui);2007年(nian)5月(yue)(yue)以(yi)來,龍灘水(shui)電(dian)工(gong)(gong)程(cheng)(cheng)1號~3號機組相繼并(bing)網發(fa)電(dian),分別(bie)比(bi)國家批準(zhun)計(ji)劃工(gong)(gong)期提(ti)前8個(ge)(ge)月(yue)(yue)、11個(ge)(ge)月(yue)(yue)和14個(ge)(ge)月(yue)(yue)投(tou)產,成(cheng)為(wei)我國建設(she)速度(du)最快(kuai)的特大(da)型水(shui)電(dian)工(gong)(gong)程(cheng)(cheng)。

  以中國(guo)水(shui)電十四局為責任方的(de)1478聯營體承(cheng)擔地下(xia)廠房(fang)及引(yin)水(shui)系統施(shi)工,他們(men)攻(gong)克了世(shi)界(jie)(jie)跨大(da)最(zui)大(da)頂拱開挖安全、世(shi)界(jie)(jie)最(zui)大(da)巖錨梁施(shi)工質量和高直立(li)墻(qiang)穩定等三大(da)特大(da)型地下(xia)洞室(shi)群施(shi)工的(de)世(shi)界(jie)(jie)性難(nan)題,石方洞挖月均(jun)12萬(wan)立(li)方米,年最(zui)高127.7立(li)方米,刷新世(shi)界(jie)(jie)紀(ji)錄,合格率100%,優良率94.4%。

  中(zhong)國水(shui)電(dian)七局承擔1號(hao)~4號(hao)水(shui)輪發(fa)(fa)電(dian)機(ji)組(zu)(zu)和全廠全部電(dian)氣(qi)設備(bei)安(an)(an)裝。龍(long)灘1號(hao)機(ji)組(zu)(zu)是(shi)世界上(shang)首(shou)臺(tai)單機(ji)容量最(zui)大(da)的(de)(de)全空(kong)冷式機(ji)組(zu)(zu),代(dai)表著今后特大(da)型(xing)(xing)水(shui)電(dian)站(zhan)機(ji)電(dian)設備(bei)選(xuan)型(xing)(xing)的(de)(de)一個發(fa)(fa)展(zhan)方向(xiang);500KVGIS、500KV三(san)相組(zu)(zu)合式變(bian)壓器同(tong)樣(yang)為(wei)國內(nei)技術(shu)(shu)水(shui)平(ping)最(zui)高、安(an)(an)裝最(zui)為(wei)復雜的(de)(de)高端設備(bei)。2007年(nian)5月21日,1號(hao)機(ji)組(zu)(zu)帶負(fu)荷72小時連續試運行(xing)一次成(cheng)功,創造(zao)(zao)了(le)國內(nei)同(tong)等規模(mo)機(ji)組(zu)(zu)安(an)(an)裝、調試的(de)(de)新紀錄,標志著我國在特大(da)型(xing)(xing)空(kong)冷式水(shui)輪發(fa)(fa)電(dian)機(ji)組(zu)(zu)制造(zao)(zao)、安(an)(an)裝核(he)心(xin)技術(shu)(shu)上(shang)達(da)到國際先進水(shui)平(ping),被業內(nei)專家(jia)譽為(wei)“水(shui)電(dian)技術(shu)(shu)的(de)(de)盛宴(yan),機(ji)組(zu)(zu)安(an)(an)裝的(de)(de)典范。”

  龍灘水電工程首批3臺機組提前投產發電,對于滿足廣西、廣東兩省(區)經濟社會發展對電力增長的需求、緩解全國用電緊張局面,促進東西部合作,對于優化華南地區電源結構和電力結構以及改善紅水河通航條件,提高珠江水系防洪標準都將發揮巨大作用。

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