文章來(lai)源:中國國電集團公司(si) 發布時間:2018-06-29
6月27日,世界首(shou)座(zuo)分體(ti)式220kV海上(shang)升壓站(zhan)在中國國電集(ji)團龍源江(jiang)蘇大(da)豐(feng)20萬千瓦海上(shang)風電項目場區成(cheng)功吊裝。
該(gai)項(xiang)目(mu)位(wei)(wei)于江蘇(su)省鹽城市大豐區(qu)外(wai)側東沙(sha)沙(sha)洲北部海(hai)(hai)(hai)(hai)域(yu),場區(qu)東西長(chang)約(yue)16公里,其西側邊(bian)線離(li)海(hai)(hai)(hai)(hai)岸線直(zhi)線最(zui)短距(ju)離(li)約(yue)24公里,海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)設(she)計(ji)安(an)(an)裝(zhuang)位(wei)(wei)置距(ju)項(xiang)目(mu)登陸點直(zhi)線距(ju)離(li)約(yue)為22公里。受(shou)海(hai)(hai)(hai)(hai)洋地質(zhi)環境影響(xiang),海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)無法像陸上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)那(nei)樣逐層建設(she)、逐個安(an)(an)裝(zhuang)。目(mu)前,國(guo)內外(wai)海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)風電項(xiang)目(mu)普(pu)遍采用(yong)整體(ti)(ti)式吊(diao)裝(zhuang)建設(she)方案(an),即海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)上(shang)(shang)(shang)部組塊作為一個整體(ti)(ti)模(mo)塊,在(zai)岸上(shang)(shang)(shang)制(zhi)作完(wan)成后運輸(shu)到指定(ding)位(wei)(wei)置,通過大型起(qi)重船安(an)(an)裝(zhuang)。但該(gai)項(xiang)目(mu)海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)重量超(chao)過2500噸,且設(she)計(ji)安(an)(an)裝(zhuang)位(wei)(wei)置水深不足(zu),超(chao)大型海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)起(qi)重船只無法進入該(gai)區(qu)域(yu)施工。通過探(tan)索,龍源電力創造性地采取“模(mo)塊化設(she)計(ji)、分(fen)(fen)體(ti)(ti)式安(an)(an)裝(zhuang)”的施工方案(an),將該(gai)項(xiang)目(mu)海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)按功(gong)能(neng)設(she)計(ji)成5個獨立模(mo)塊,分(fen)(fen)批運輸(shu)至升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)設(she)計(ji)安(an)(an)裝(zhuang)位(wei)(wei)置,并實施分(fen)(fen)體(ti)(ti)式安(an)(an)裝(zhuang),僅(jin)花費4天時間(jian),就成功(gong)完(wan)成世界(jie)首個分(fen)(fen)體(ti)(ti)式海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)吊(diao)裝(zhuang)工作。龍源電力將加緊該(gai)項(xiang)目(mu)海(hai)(hai)(hai)(hai)上(shang)(shang)(shang)升(sheng)(sheng)(sheng)壓(ya)(ya)(ya)站(zhan)(zhan)的調(diao)試工作,為項(xiang)目(mu)早日投(tou)產、發電做好準備。