文章來(lai)源:中(zhong)國(guo)水(shui)(shui)利水(shui)(shui)電建設集團公司 發(fa)布時間:2008-12-27
12月26日上午,中國水(shui)電(dian)(dian)集(ji)團擔綱建設的(de)我國目前(qian)投(tou)產發(fa)(fa)(fa)電(dian)(dian)的(de)第二(er)大水(shui)電(dian)(dian)工(gong)程——龍(long)灘(tan)水(shui)電(dian)(dian)工(gong)程首批(pi)3臺機(ji)組(zu)提(ti)前(qian)投(tou)產發(fa)(fa)(fa)電(dian)(dian),廣西壯族自治(zhi)區(qu)人民(min)政(zheng)(zheng)府、貴州省人民(min)政(zheng)(zheng)府和中國大唐集(ji)團公司(si)在龍(long)灘(tan)水(shui)電(dian)(dian)站隆重舉行發(fa)(fa)(fa)電(dian)(dian)慶典儀(yi)式(shi)。
國務院(yuan)副總理(li)曾培炎發來(lai)賀電(dian)(dian):六(liu)年來(lai),龍(long)灘(tan)水電(dian)(dian)工程瞄準“精(jing)品工程”、“綠色工程”、“和諧工程”的(de)目標,精(jing)心施工,科學管理(li),初步實現了又好(hao)又快建設(she)(she)、安全高效生(sheng)產,在我國水電(dian)(dian)建設(she)(she)史上寫下了新的(de)一(yi)頁。
龍灘水(shui)(shui)電工(gong)(gong)(gong)程(cheng)(cheng)(cheng)位(wei)于廣西(xi)壯(zhuang)族(zu)自治(zhi)區(qu)天峨縣境內,是紅水(shui)(shui)河梯級(ji)開發龍頭(tou)骨干控(kong)制性工(gong)(gong)(gong)程(cheng)(cheng)(cheng),21世(shi)(shi)紀我國(guo)第一個舉世(shi)(shi)矚目的(de)特大(da)(da)型水(shui)(shui)電工(gong)(gong)(gong)程(cheng)(cheng)(cheng),國(guo)家西(xi)部(bu)大(da)(da)開發標志性工(gong)(gong)(gong)程(cheng)(cheng)(cheng)和“西(xi)電東送(song)”的(de)戰略工(gong)(gong)(gong)程(cheng)(cheng)(cheng)之(zhi)一。規劃總裝機(ji)(ji)容(rong)量630萬千(qian)瓦,安(an)裝9臺70萬千(qian)瓦的(de)全空冷(leng)式水(shui)(shui)輪(lun)發電機(ji)(ji)組,是我國(guo)目前投產(chan)發電的(de)第二大(da)(da)水(shui)(shui)電工(gong)(gong)(gong)程(cheng)(cheng)(cheng)。該工(gong)(gong)(gong)程(cheng)(cheng)(cheng)擁有四項世(shi)(shi)界之(zhi)最(zui):世(shi)(shi)界上最(zui)高的(de)碾壓混凝土大(da)(da)壩(ba)、最(zui)大(da)(da)的(de)地下廠(chang)房、提升高度最(zui)高的(de)垂直升船機(ji)(ji)及單機(ji)(ji)容(rong)量最(zui)大(da)(da)的(de)70萬千(qian)瓦全空冷(leng)式水(shui)(shui)輪(lun)發電機(ji)(ji)組。工(gong)(gong)(gong)程(cheng)(cheng)(cheng)規模(mo)之(zhi)大(da)(da)、技術含量之(zhi)高、施(shi)工(gong)(gong)(gong)難度之(zhi)大(da)(da),為水(shui)(shui)電工(gong)(gong)(gong)程(cheng)(cheng)(cheng)所罕見。
中(zhong)國(guo)(guo)(guo)水(shui)電(dian)集團擔(dan)綱主力,為(wei)(wei)(wei)中(zhong)國(guo)(guo)(guo)水(shui)電(dian)第(di)一(yi)品牌再添光彩。以中(zhong)國(guo)(guo)(guo)水(shui)電(dian)七(qi)局為(wei)(wei)(wei)責任方組成(cheng)(cheng)的七(qi)局八(ba)局葛(ge)洲(zhou)壩(ba)(ba)聯營體(ti)承擔(dan)大(da)壩(ba)(ba)施工(gong),他(ta)們(men)為(wei)(wei)(wei)大(da)壩(ba)(ba)量身打(da)造(zao)了(le)(le)世界(jie)最先進的建壩(ba)(ba)技術“特殊氣候下的碾壓混(hun)凝土大(da)壩(ba)(ba)快速(su)施工(gong)技術”,成(cheng)(cheng)功(gong)地(di)攻克了(le)(le)高溫(wen)季節大(da)倉位混(hun)凝土施工(gong)的溫(wen)控難題,并(bing)實現了(le)(le)大(da)壩(ba)(ba)澆筑的完全流水(shui)線作(zuo)業,創造(zao)了(le)(le)水(shui)電(dian)行業大(da)壩(ba)(ba)主體(ti)工(gong)程單倉日(ri)澆筑15816立(li)方米混(hun)凝土的世界(jie)紀錄。2007年11月,作(zuo)為(wei)(wei)(wei)中(zhong)國(guo)(guo)(guo)的唯一(yi)代(dai)表,龍灘大(da)壩(ba)(ba)被(bei)國(guo)(guo)(guo)際大(da)壩(ba)(ba)委(wei)員(yuan)會、中(zhong)國(guo)(guo)(guo)大(da)壩(ba)(ba)委(wei)員(yuan)會和西班牙大(da)壩(ba)(ba)委(wei)員(yuan)會首(shou)次授予“碾壓混(hun)凝土國(guo)(guo)(guo)際性里程碑工(gong)程”榮譽。
該工(gong)(gong)(gong)程(cheng)2001年(nian)7月1日開工(gong)(gong)(gong)以來(lai)(lai),大壩完(wan)成(cheng)混(hun)凝(ning)土(tu)澆(jiao)筑660多萬(wan)立方米,大壩混(hun)凝(ning)土(tu)施(shi)工(gong)(gong)(gong)最(zui)高澆(jiao)筑到壩頂382米高程(cheng),為(wei)蓄水發電(dian)(dian)(dian)奠定(ding)堅實基(ji)礎(chu);2006年(nian)9月30日,工(gong)(gong)(gong)程(cheng)順利提前下閘蓄水;2007年(nian)5月以來(lai)(lai),龍灘水電(dian)(dian)(dian)工(gong)(gong)(gong)程(cheng)1號~3號機組相繼并網發電(dian)(dian)(dian),分別比(bi)國(guo)家批準計(ji)劃(hua)工(gong)(gong)(gong)期提前8個月、11個月和14個月投產,成(cheng)為(wei)我國(guo)建設速(su)度最(zui)快(kuai)的(de)特大型水電(dian)(dian)(dian)工(gong)(gong)(gong)程(cheng)。
以中國(guo)水電十四局為責(ze)任(ren)方的(de)1478聯(lian)營體承擔地下廠房及引水系統施(shi)工,他們攻克了世界跨大最大頂(ding)拱開(kai)挖安全、世界最大巖錨梁施(shi)工質(zhi)量和高直立墻穩定等三大特大型(xing)地下洞(dong)室群施(shi)工的(de)世界性難(nan)題,石方洞(dong)挖月均12萬立方米,年最高127.7立方米,刷新世界紀錄,合格率100%,優良率94.4%。
中國(guo)水電(dian)(dian)七局承擔1號~4號水輪發(fa)(fa)電(dian)(dian)機(ji)(ji)組(zu)(zu)和全廠(chang)全部電(dian)(dian)氣設備安(an)裝(zhuang)。龍灘1號機(ji)(ji)組(zu)(zu)是世界(jie)上首(shou)臺單機(ji)(ji)容量最大的全空(kong)冷式機(ji)(ji)組(zu)(zu),代表著(zhu)今后特大型水電(dian)(dian)站機(ji)(ji)電(dian)(dian)設備選(xuan)型的一個發(fa)(fa)展方向;500KVGIS、500KV三(san)相(xiang)組(zu)(zu)合式變壓器同樣(yang)為國(guo)內(nei)(nei)技(ji)術水平(ping)最高、安(an)裝(zhuang)最為復雜的高端設備。2007年5月21日(ri),1號機(ji)(ji)組(zu)(zu)帶負荷72小時連續試(shi)運行一次成功,創(chuang)造(zao)了國(guo)內(nei)(nei)同等規模機(ji)(ji)組(zu)(zu)安(an)裝(zhuang)、調試(shi)的新紀錄(lu),標志著(zhu)我國(guo)在特大型空(kong)冷式水輪發(fa)(fa)電(dian)(dian)機(ji)(ji)組(zu)(zu)制造(zao)、安(an)裝(zhuang)核(he)心技(ji)術上達到國(guo)際先進(jin)水平(ping),被業內(nei)(nei)專(zhuan)家(jia)譽為“水電(dian)(dian)技(ji)術的盛宴,機(ji)(ji)組(zu)(zu)安(an)裝(zhuang)的典范。”
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。