據國家能源集團河北公司之聲消息,9月17日,隨著(zhu)最(zui)后一塊32毫米鋼板就(jiu)位(wei),龍山電廠(chang)抽汽(qi)蓄能項(xiang)(xiang)目(mu)熔鹽罐(guan)成功落(luo)庫,標(biao)志(zhi)著(zhu)項(xiang)(xiang)目(mu)罐(guan)區全面(mian)進(jin)入設備安裝(zhuang)階(jie)段。
該項目是集團公司重點科技(ji)項目,是國內首個采用多源抽汽(qi)—配汽(qi)調控(kong)技(ji)術,既能(neng)(neng)調峰(feng)又可(ke)頂峰(feng)的大規模抽汽(qi)熔鹽(yan)蓄能(neng)(neng)項目,總(zong)投資3.2億元(yuan),占(zhan)地(di)面(mian)積(ji)約7900平方米。預計該項目投運后,機組(zu)調峰(feng)能(neng)(neng)力將在現(xian)有基礎上增加100兆(zhao)瓦(wa),時(shi)(shi)長(chang)達4小時(shi)(shi),頂峰(feng)能(neng)(neng)力增加30-60兆(zhao)瓦(wa),放熱(re)時(shi)(shi)長(chang)不(bu)低于6小時(shi)(shi),同(tong)時(shi)(shi)解決了火(huo)電廠深度調峰(feng)所面(mian)臨(lin)的鍋爐燃燒(shao)不(bu)穩、水動力不(bu)足、再熱(re)器超溫等(deng)一(yi)系列(lie)難題(ti),不(bu)僅可(ke)以有效提(ti)升河(he)北(bei)南網調峰(feng)能(neng)(neng)力,提(ti)高新(xin)能(neng)(neng)源消納比(bi)例,促進河(he)北(bei)省新(xin)能(neng)(neng)源發展和能(neng)(neng)源結(jie)構轉型(xing),而且還將為全(quan)國現(xian)存(cun)煤電機組(zu)大幅提(ti)高調峰(feng)能(neng)(neng)力提(ti)供技(ji)術借鑒,起到示范引領作(zuo)用。
熔(rong)鹽(yan)(yan)(yan)儲罐(guan)(guan)是熔(rong)鹽(yan)(yan)(yan)儲熱系統(tong)中(zhong)(zhong)的主要(yao)設(she)備(bei)之一,該項目(mu)設(she)有冷鹽(yan)(yan)(yan)罐(guan)(guan)、熱鹽(yan)(yan)(yan)罐(guan)(guan)各(ge)一個,為立(li)式圓(yuan)筒形儲罐(guan)(guan),罐(guan)(guan)體(ti)為全焊(han)接(jie)結構,采用倒裝(zhuang)法(fa)安裝(zhuang),儲罐(guan)(guan)直壁12米,其中(zhong)(zhong),熱鹽(yan)(yan)(yan)罐(guan)(guan)容(rong)積7920立(li)方米、直徑(jing)29米,冷鹽(yan)(yan)(yan)罐(guan)(guan)容(rong)積7655立(li)方米、直徑(jing)28.5米,兩(liang)個熔(rong)鹽(yan)(yan)(yan)儲罐(guan)(guan)儲熱總容(rong)量730兆瓦(wa)時(shi),熔(rong)鹽(yan)(yan)(yan)量12600噸。項目(mu)建設(she)過程中(zhong)(zhong),該廠克服高溫和(he)陰雨天(tian)氣影響,合理調(diao)整作業時(shi)間,嚴把(ba)焊(han)接(jie)質量關,每(mei)天(tian)對施工人員做好安全交底,多措(cuo)并舉保(bao)障施工的安全、質量、進度。