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日前，由電建核電公司承建的全國第一個大型商業化槽式光熱項目青海德令哈電站工程順利進入聯合調試階段。在光熱電站工程建設標準高、技術難點多、可借鑒經驗少的困難情況下，電建核電公司德令哈項目部干部員工以“敢為天下先”的精神投入施工，周密組織、攻堅克難、精心施工，工程安全和質量工藝得到了業主方的高度贊譽，工程建設進展順利。

中廣核德令(ling)哈50兆(zhao)瓦(wa)光熱(re)(re)發電項目(mu)是國內第一(yi)個商(shang)業化槽(cao)式太(tai)(tai)(tai)陽(yang)(yang)能(neng)光熱(re)(re)項目(mu)，由SOF(太(tai)(tai)(tai)陽(yang)(yang)島)、HTF+TES(傳熱(re)(re)及儲熱(re)(re)島)、BOP(常(chang)規(gui)島)三部分(fen)組成，項目(mu)規(gui)劃裝機容(rong)(rong)量100兆(zhao)瓦(wa)，其(qi)中本(ben)期建(jian)設(she)50兆(zhao)瓦(wa)。本(ben)項目(mu)采用拋物面槽(cao)式(PTC)導熱(re)(re)油(you)太(tai)(tai)(tai)陽(yang)(yang)能(neng)熱(re)(re)發電技術，建(jian)設(she)190個槽(cao)式集熱(re)(re)器標準回路，設(she)置一(yi)套雙罐二元硝酸鹽(yan)儲熱(re)(re)系統(儲熱(re)(re)容(rong)(rong)量1300MWh)，帶7.5小時儲能(neng)，并建(jian)設(she)一(yi)套50兆(zhao)瓦(wa)規(gui)模的中溫、高壓、一(yi)次(ci)再(zai)熱(re)(re)的水冷汽輪發電機組。電建(jian)核電公司主要(yao)承擔SOF(太(tai)(tai)(tai)陽(yang)(yang)島)的施工和調試工作。

太(tai)(tai)陽(yang)島做為光(guang)熱電(dian)站的(de)核心，其(qi)建設標(biao)準要求非常高(gao)，該(gai)項目(mu)太(tai)(tai)陽(yang)島部分由西(xi)班(ban)牙英赫特(te)安(an)公(gong)司和德國SBP公(gong)司設計，西(xi)班(ban)牙Aries公(gong)司作(zuo)為業主工(gong)程(cheng)師進行現場管理。槽(cao)式太(tai)(tai)陽(yang)島特(te)點(dian)是土(tu)建和安(an)裝調(diao)試要求高(gao)，太(tai)(tai)陽(yang)能槽(cao)式集熱器其(qi)實就是一種在野(ye)外惡劣環(huan)境下使用(yong)的(de)精密(mi)光(guang)學設備，施(shi)工(gong)技術難(nan)度大，土(tu)建和安(an)裝施(shi)工(gong)標(biao)準要求精確到毫米，挑戰性強，其(qi)土(tu)建和安(an)裝調(diao)試精度要求遠高(gao)于(yu)核電(dian)、火電(dian)以(yi)及(ji)光(guang)伏工(gong)程(cheng)。

工(gong)(gong)(gong)(gong)程(cheng)(cheng)建(jian)設中，電(dian)(dian)建(jian)核電(dian)(dian)公司在項目地處高(gao)(gao)(gao)原，海拔高(gao)(gao)(gao)、嚴寒、風沙、高(gao)(gao)(gao)原反應(ying)明顯以及(ji)全(quan)年可(ke)施(shi)工(gong)(gong)(gong)(gong)期短(duan)、施(shi)工(gong)(gong)(gong)(gong)難度大(da)、技術要求高(gao)(gao)(gao)、施(shi)工(gong)(gong)(gong)(gong)可(ke)借鑒經(jing)驗少等困難條件下，堅持精品工(gong)(gong)(gong)(gong)程(cheng)(cheng)戰略(lve)，將(jiang)電(dian)(dian)建(jian)核電(dian)(dian)公司的“核文(wen)化(hua)”與中廣(guang)核集團“安(an)全(quan)第一(yi)，質(zhi)量第一(yi)，追求卓越”的核文(wen)化(hua)理念有機結(jie)合，適時提出了“創(chuang)一(yi)流光熱項目，建(jian)金(jin)(jin)牌(pai)品質(zhi)工(gong)(gong)(gong)(gong)程(cheng)(cheng)”的管理理念，全(quan)面實施(shi)工(gong)(gong)(gong)(gong)程(cheng)(cheng)建(jian)設精細(xi)化(hua)管理，確保主要技術經(jing)濟指標達到國際(ji)先(xian)進水平，爭創(chuang)國家優質(zhi)工(gong)(gong)(gong)(gong)程(cheng)(cheng)金(jin)(jin)獎(jiang)，全(quan)力將(jiang)德令哈(ha)光熱電(dian)(dian)站打造成世界“光熱之都”的橋頭堡工(gong)(gong)(gong)(gong)程(cheng)(cheng)。

由(you)于是全(quan)國(guo)第一(yi)個大型商業(ye)化槽式光熱(re)項目，無任何施(shi)(shi)(shi)工(gong)經(jing)驗(yan)可以借鑒，電(dian)(dian)建核電(dian)(dian)公司的(de)建設者們(men)在工(gong)程建設中(zhong)克服了一(yi)道道施(shi)(shi)(shi)工(gong)難題(ti)。例(li)如針(zhen)對太(tai)陽島集熱(re)器樁基基礎既要防(fang)(fang)震、又(you)要抗腐蝕還(huan)要滿(man)足冬季施(shi)(shi)(shi)工(gong)的(de)要求，電(dian)(dian)建核電(dian)(dian)公司通過(guo)理論計算(suan)和多(duo)次試驗(yan)，選用(yong)合(he)適的(de)砂(sha)率，以達到砂(sha)石(shi)的(de)最(zui)小(xiao)孔隙率，提高混凝(ning)土的(de)密(mi)實性，提高抗滲等級。在混凝(ning)土防(fang)(fang)凍(dong)方面(mian)，他們(men)選用(yong)性能穩定的(de)早強防(fang)(fang)凍(dong)劑(ji)，給冬季施(shi)(shi)(shi)工(gong)增加一(yi)份保(bao)障，最(zui)終(zhong)他們(men)的(de)混凝(ning)土施(shi)(shi)(shi)工(gong)質量(liang)得到了到現場參觀的(de)全(quan)國(guo)第二屆光熱(re)大會代表和專家(jia)的(de)一(yi)致(zhi)稱贊。

針對業(ye)主(zhu)提出的太陽島槽(cao)式(shi)集熱(re)器(qi)光效(xiao)率必須達到95％以(yi)上的要求，電(dian)建核電(dian)公司德令哈項目(mu)部專門成立攻(gong)堅小組(zu)，對集熱(re)器(qi)安裝(zhuang)從(cong)初(chu)期就(jiu)詳細(xi)策劃(hua)方案(an)，大量收集國內外相關工(gong)(gong)(gong)程經驗(yan)，仔細(xi)研究設計方提供的技術資料，制(zhi)訂(ding)了(le)周(zhou)密的施(shi)工(gong)(gong)(gong)方案(an)，施(shi)工(gong)(gong)(gong)步驟甚至詳細(xi)到每(mei)(mei)個(ge)螺栓的擰(ning)緊。施(shi)工(gong)(gong)(gong)中更是注重細(xi)節，追求完美，將一(yi)(yi)絲(si)不茍、精(jing)益求精(jing)的“工(gong)(gong)(gong)匠精(jing)神”融入每(mei)(mei)一(yi)(yi)個(ge)安裝(zhuang)環節和每(mei)(mei)一(yi)(yi)道工(gong)(gong)(gong)序。該項目(mu)完工(gong)(gong)(gong)后，槽(cao)式(shi)太陽島集熱(re)器(qi)從(cong)細(xi)節看，轉角圓潤流暢，焊縫平整(zheng)光滑(hua)，晶片如出一(yi)(yi)轍；從(cong)航拍效(xiao)果看，整(zheng)齊劃(hua)一(yi)(yi)，漂亮非(fei)凡，場面震撼。業(ye)主(zhu)和監(jian)理單位對此非(fei)常滿意，稱贊電(dian)建核電(dian)公司的技術團(tuan)隊(dui)為“工(gong)(gong)(gong)匠團(tuan)隊(dui)”。

太(tai)(tai)陽(yang)能光熱發電(dian)(dian)項(xiang)目(mu)在(zai)(zai)國(guo)內(nei)尚屬于(yu)示(shi)范之列，國(guo)內(nei)真正(zheng)掌(zhang)握光熱發電(dian)(dian)設計(ji)、制造(zao)及施(shi)(shi)工(gong)(gong)的單位較少(shao)，為此(ci)，電(dian)(dian)建(jian)核電(dian)(dian)公司制定(ding)了(le)《太(tai)(tai)陽(yang)島工(gong)(gong)程(cheng)創優規(gui)劃》，在(zai)(zai)工(gong)(gong)程(cheng)建(jian)設中積極開展科(ke)技(ji)(ji)(ji)(ji)(ji)創新和技(ji)(ji)(ji)(ji)(ji)術(shu)攻(gong)關(guan)工(gong)(gong)作，先后(hou)攻(gong)克槽式(shi)集熱器(qi)(qi)支(zhi)架地腳(jiao)螺栓(shuan)預(yu)埋技(ji)(ji)(ji)(ji)(ji)術(shu)，集熱器(qi)(qi)支(zhi)架直線度調整技(ji)(ji)(ji)(ji)(ji)術(shu)、集熱器(qi)(qi)驅動系(xi)統安(an)裝技(ji)(ji)(ji)(ji)(ji)術(shu)、集熱器(qi)(qi)單元吊裝技(ji)(ji)(ji)(ji)(ji)術(shu)、集熱器(qi)(qi)裝置(zhi)校準技(ji)(ji)(ji)(ji)(ji)術(shu)，并(bing)在(zai)(zai)過(guo)程(cheng)中形成(cheng)相關(guan)發明(ming)專(zhuan)利和工(gong)(gong)法。截至目(mu)前，該工(gong)(gong)程(cheng)共(gong)申報科(ke)技(ji)(ji)(ji)(ji)(ji)創新項(xiang)目(mu)8項(xiang)、施(shi)(shi)工(gong)(gong)工(gong)(gong)法研究2項(xiang)、（公司）2017年度QC小組(zu)注冊完成(cheng)QC課題5個(ge)，形成(cheng)了(le)很多專(zhuan)用工(gong)(gong)具、器(qi)(qi)具、技(ji)(ji)(ji)(ji)(ji)術(shu)方案等。

據悉，光熱(re)發(fa)(fa)電(dian)(dian)(dian)(dian)是可以實現24小時穩(wen)定連續(xu)發(fa)(fa)電(dian)(dian)(dian)(dian)的(de)太陽(yang)能(neng)(neng)發(fa)(fa)電(dian)(dian)(dian)(dian)技術，能(neng)(neng)夠替代火(huo)電(dian)(dian)(dian)(dian)成為(wei)電(dian)(dian)(dian)(dian)網(wang)基(ji)(ji)礎負荷。青海德(de)令(ling)哈年平均日照時數為(wei)3500小時以上(shang)，年平均太陽(yang)總輻(fu)射量(liang)為(wei)7000兆焦/平方米，長時的(de)強烈光照及廣闊戈壁(bi)為(wei)光熱(re)產業(ye)發(fa)(fa)展提供了(le)卓絕的(de)區(qu)位資源(yuan)。青海德(de)令(ling)哈槽式(shi)光熱(re)電(dian)(dian)(dian)(dian)站工程作為(wei)全國第一個商用光熱(re)項目，其工程建設的(de)順利推進為(wei)打造(zao)青海10000兆瓦級清潔能(neng)(neng)源(yuan)基(ji)(ji)地(di)奠定了(le)堅實基(ji)(ji)礎。

注：本文轉自電建核電公司，文中觀點不代表本網立場。