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日(ri)前，由上海電(dian)(dian)建(jian)建(jian)筑公司承建(jian)的中電(dian)(dian)建(jian)青(qing)海共(gong)和50MW光(guang)熱發(fa)(fa)(fa)電(dian)(dian)項(xiang)目吸(xi)熱塔順利封頂。作為(wei)國內首批光(guang)熱發(fa)(fa)(fa)電(dian)(dian)示范項(xiang)目之一(yi)，它與(yu)光(guang)伏發(fa)(fa)(fa)電(dian)(dian)有啥不一(yi)樣呢？

目前(qian)，利用太陽(yang)能(neng)(neng)(neng)發(fa)(fa)電(dian)(dian)(dian)(dian)主(zhu)要有光(guang)(guang)伏(fu)和光(guang)(guang)熱(re)兩種方式。光(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)主(zhu)要利用太陽(yang)能(neng)(neng)(neng)電(dian)(dian)(dian)(dian)池板將光(guang)(guang)能(neng)(neng)(neng)直接轉化為(wei)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)。而光(guang)(guang)熱(re)發(fa)(fa)電(dian)(dian)(dian)(dian)，是通過(guo)(guo)吸收太陽(yang)光(guang)(guang)轉化為(wei)熱(re)能(neng)(neng)(neng)，再通過(guo)(guo)發(fa)(fa)電(dian)(dian)(dian)(dian)機組將熱(re)能(neng)(neng)(neng)轉化為(wei)電(dian)(dian)(dian)(dian)能(neng)(neng)(neng)。與光(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)相比，光(guang)(guang)熱(re)發(fa)(fa)電(dian)(dian)(dian)(dian)更(geng)接近(jin)現在常(chang)見的(de)熱(re)電(dian)(dian)(dian)(dian)廠的(de)發(fa)(fa)電(dian)(dian)(dian)(dian)模(mo)式，具有連續、穩定(ding)輸出的(de)特點，可以彌補(bu)光(guang)(guang)伏(fu)發(fa)(fa)電(dian)(dian)(dian)(dian)的(de)短(duan)板。

太(tai)陽(yang)能光(guang)熱發電(dian)是一(yi)項具備成為基(ji)礎負荷電(dian)源潛力的新(xin)興能源應(ying)用技術，潛力巨(ju)大。我國在該領域起步較晚，光(guang)熱發電(dian)尚屬于朝陽(yang)產業。

上(shang)海電建(jian)建(jian)筑(zhu)公司(si)承建(jian)的該(gai)吸(xi)(xi)熱塔(ta)(ta)結構頂(ding)高193米(mi)，采(cai)用鋼(gang)筋混(hun)凝土圓錐形(xing)筒體漸變截(jie)面(mian)結構，主體大(da)部分采(cai)用直段體型(xing)。吸(xi)(xi)熱塔(ta)(ta)內按功能布置了(le)滿足工藝要(yao)求(qiu)的通道及各類(lei)輔助房間，是整個(ge)塔(ta)(ta)式(shi)光熱發電站中的重要(yao)構筑(zhu)物之(zhi)一，也(ye)是對工期(qi)影(ying)響(xiang)較(jiao)大(da)的重點單(dan)項工程。

作(zuo)為國(guo)內(nei)首(shou)批光熱(re)發電示(shi)范項目之一，對于國(guo)內(nei)基本(ben)等(deng)于空(kong)白(bai)的(de)光熱(re)發電領(ling)域而言，共和項目的(de)建設有著諸多的(de)困(kun)(kun)難(nan)和挑(tiao)戰(zhan)，除需要克服高(gao)原缺(que)氧、強(qiang)紫外線和沙塵暴等(deng)困(kun)(kun)難(nan)外，因(yin)圓(yuan)錐形(xing)筒體漸變(bian)(bian)截(jie)面(mian)結構本(ben)身工藝難(nan)度就很大，而且(qie)在過程中設計變(bian)(bian)更多，如(ru)塔壁加設孔洞、變(bian)(bian)更埋件形(xing)式(shi)及數量、鋼筋規格及連接方(fang)式(shi)等(deng)，給現場的(de)施工和技術帶來了很大挑(tiao)戰(zhan)。

另一(yi)方面(mian)施工(gong)(gong)(gong)(gong)期(qi)間正值雨(yu)季，大雨(yu)頻下(xia)、溫(wen)度驟降(jiang)等導致晝夜溫(wen)差(cha)大，給工(gong)(gong)(gong)(gong)程施工(gong)(gong)(gong)(gong)及質量控(kong)制(zhi)都帶來了不利(li)因素(su)。面(mian)對(dui)困難和挑(tiao)戰，建(jian)筑公司青海(hai)項(xiang)目(mu)員(yuan)工(gong)(gong)(gong)(gong)發揚電(dian)建(jian)人特別能吃苦、特別能戰斗的精(jing)神(shen)，精(jing)心組織(zhi)、有序(xu)施工(gong)(gong)(gong)(gong)。自2018年5月5日吸(xi)熱塔(ta)(ta)筒(tong)壁第一(yi)板混凝土澆筑以來，經過(guo)136個日夜不懈努力，終于按里程碑節點(dian)要求(qiu)完成(cheng)封頂，為后(hou)續(xu)施工(gong)(gong)(gong)(gong)創(chuang)造了有利(li)條件，得到業(ye)主、監理等高度肯定，由(you)此上(shang)海(hai)電(dian)建(jian)也成(cheng)為了國內少數掌握大規模光熱項(xiang)目(mu)吸(xi)收塔(ta)(ta)施工(gong)(gong)(gong)(gong)技(ji)術的企(qi)業(ye)。