昨日晚(wan)間,央(yang)視財經頻道播出了大型紀錄片《能源(yuan)浪潮》第二集(ji)《博弈爭鋒》,講述在能源(yuan)革(ge)命的浪潮中(zhong),中(zhong)國正全力突破(po)與創新。
片中主角之(zhi)一是(shi)阿克塞(sai)匯東750MW光(guang)(guang)(guang)熱+光(guang)(guang)(guang)伏試(shi)點項目,紀錄片向(xiang)觀(guan)眾生動揭示(shi)了我國光(guang)(guang)(guang)熱發電(dian)領域的建設成就。該項目位于甘(gan)肅阿克塞(sai)哈薩克族自治縣千(qian)萬千(qian)瓦級可再生能(neng)源多能(neng)互補基地,總裝(zhuang)機容量750MW,包括110MW光(guang)(guang)(guang)熱發電(dian)和640MW光(guang)(guang)(guang)伏發電(dian)。是(shi)國內第一批在建的“光(guang)(guang)(guang)熱+光(guang)(guang)(guang)伏”電(dian)站(zhan)。
光熱項目采用塔式聚光集熱技術,使用國內首創的五邊形巨蜥式定日鏡。單塊定日鏡重約1.2噸,面積48平方米,總的鏡場面積達58萬平方米。河西走廊上,光熱與光伏攜手,一個個50平方米的超級大鏡子正井然有序地跟隨太陽轉動。這些(xie)五邊形的定(ding)日鏡,直徑9米,能像向(xiang)日葵(kui)一樣(yang)追蹤收(shou)集陽光,反(fan)射(she)到吸熱塔(ta)上,通過(guo)塔(ta)內熔鹽儲(chu)存熱量,產(chan)生高溫高壓蒸汽推動汽輪機發電。
每面(mian)(mian)鏡子既(ji)能(neng)獨立追光(guang)(guang)(guang)(guang),又(you)能(neng)編(bian)組發電。太陽(yang)(yang)每天東升(sheng)西(xi)落(luo),一年四(si)季在空(kong)中的位置(zhi)在不斷變化,不同(tong)位置(zhi)的定日鏡也要實時移動,調整(zheng)(zheng)角度,吸收(shou)最(zui)多的陽(yang)(yang)光(guang)(guang)(guang)(guang),每面(mian)(mian)鏡子都要追得住,還要把光(guang)(guang)(guang)(guang)斑準確打到(dao)面(mian)(mian)積并不大的吸熱(re)器(qi)上。光(guang)(guang)(guang)(guang)熱(re)自(zi)帶儲熱(re)能(neng)力,可以調峰,光(guang)(guang)(guang)(guang)伏(fu)能(neng)降(jiang)低整(zheng)(zheng)體成(cheng)本(ben)。
據(ju)此(ci)前報(bao)道(dao),阿(a)(a)克(ke)塞(sai)縣匯東新能(neng)源750MW光(guang)熱(re)+光(guang)伏試點(dian)(dian)項目(mu)(mu)占地(di)(di)約20.6平(ping)方(fang)(fang)公里,是阿(a)(a)克(ke)塞(sai)縣通過招商引(yin)資(zi)方(fang)(fang)式,引(yin)進的千萬(wan)(wan)千瓦(wa)級多能(neng)互補基地(di)(di)首(shou)批重點(dian)(dian)項目(mu)(mu),是國(guo)(guo)內首(shou)批“光(guang)熱(re)+光(guang)伏”試點(dian)(dian)項目(mu)(mu),國(guo)(guo)家“沙漠(mo)、戈壁、荒漠(mo)”大型太陽(yang)能(neng)熱(re)發(fa)(fa)電(dian)(dian)基地(di)(di)示范(續建)項目(mu)(mu)之(zhi)一(yi)。該項目(mu)(mu)由(you)中國(guo)(guo)能(neng)建華東電(dian)(dian)力設計(ji)院(yuan)自主(zhu)開(kai)發(fa)(fa)并(bing)(bing)承(cheng)(cheng)擔(dan)EPC總(zong)承(cheng)(cheng)包(bao),集熱(re)場由(you)東方(fang)(fang)電(dian)(dian)氣集團東方(fang)(fang)鍋(guo)爐(lu)股份(fen)有(you)限公司設計(ji)、供貨。項目(mu)(mu)建成(cheng)后,預(yu)計(ji)年(nian)(nian)發(fa)(fa)電(dian)(dian)量將達(da)17億千瓦(wa)時,每(mei)年(nian)(nian)可節約標(biao)煤50.7萬(wan)(wan)噸,減(jian)排二氧化碳147萬(wan)(wan)噸。計(ji)劃于(yu)2024年(nian)(nian)年(nian)(nian)中完(wan)成(cheng)并(bing)(bing)網(wang)發(fa)(fa)電(dian)(dian)工(gong)作。