文(wen)章來源:中國華電集團公司 發布(bu)時間:2012-04-11
4月10日,四川(chuan)華電(dian)瀘定(ding)水電(dian)站(zhan)3#發電(dian)機轉子成功吊裝,標(biao)志著該水輪發電(dian)機組(zu)(zu)的機組(zu)(zu)安裝進(jin)入最(zui)后的總裝和調試階段(duan),同時也為按期完成3#機組(zu)(zu)的發電(dian)目標(biao)奠定(ding)了堅實基礎。
此次吊(diao)(diao)(diao)裝(zhuang)的3#水輪(lun)發電(dian)機轉(zhuan)子起(qi)吊(diao)(diao)(diao)總重量約(yue)為(wei)686.5噸,是瀘定水電(dian)站機電(dian)設(she)備安(an)裝(zhuang)中單(dan)件(jian)吊(diao)(diao)(diao)裝(zhuang)最大的設(she)備,轉(zhuan)子直徑為(wei)13.740米,磁(ci)極對(dui)數30對(dui),磁(ci)軛高度為(wei)1.9米,采用(yong)2臺400噸橋式起(qi)重機并車吊(diao)(diao)(diao)裝(zhuang)。
瀘(lu)定(ding)(ding)(ding)電(dian)站3#機(ji)(ji)組(zu)(zu)定(ding)(ding)(ding)于6月10日投(tou)(tou)產(chan)(chan)發(fa)電(dian),時間緊(jin)迫。轉子吊入機(ji)(ji)坑的前提是水輪機(ji)(ji)、下(xia)機(ji)(ji)架等(deng)(deng)重(zhong)要(yao)部(bu)件(jian)初步安裝完畢。前期由(you)于水輪機(ji)(ji)轉輪現場需要(yao)對接、組(zu)(zu)焊、鏟磨、車圓(yuan)、打磨、靜平衡等(deng)(deng)多(duo)道工(gong)(gong)(gong)序,而生(sheng)產(chan)(chan)廠家人力物(wu)力投(tou)(tou)入不足(zu),造成工(gong)(gong)(gong)期滯(zhi)后。瀘(lu)定(ding)(ding)(ding)公司想方設法,協調多(duo)方關系,增加資源投(tou)(tou)入,通過加班加點趕進度,同時大膽創新(xin),改進施工(gong)(gong)(gong)工(gong)(gong)(gong)序,采用在(zai)機(ji)(ji)坑先完成下(xia)機(ji)(ji)架預裝工(gong)(gong)(gong)作的方法,從而消除轉輪滯(zhi)后對總工(gong)(gong)(gong)期的影響。此外,瀘(lu)定(ding)(ding)(ding)公司、監理單位對吊裝工(gong)(gong)(gong)作進行(xing)了精心組(zu)(zu)織(zhi)和周密(mi)安排;設備廠商也(ye)進行(xing)了全力配合;承擔安裝工(gong)(gong)(gong)作的施工(gong)(gong)(gong)單位成立了定(ding)(ding)(ding)子吊裝現場組(zu)(zu)織(zhi)機(ji)(ji)構(gou),制定(ding)(ding)(ding)了嚴密(mi)的技術、質量(liang)、安全保證措施。
隨著瀘(lu)定電站3#機組轉子平穩地(di)座落在發電機組正中(zhong)心,至(zhi)此,該機組的“三大件”已全(quan)部就位(wei),這為今(jin)年六月實現該機組投產發電的目標提供了(le)強有力的保證。