用(yong)太陽能(neng)提供熱(re)源,用(yong)熔鹽吸收熱(re)量,轉換成(cheng)蒸汽發(fa)(fa)(fa)電(dian)(dian),夜間(jian)或陰雨天也能(neng)持續發(fa)(fa)(fa)電(dian)(dian)。近(jin)日,藍星(北京)化工機械有限(xian)公(gong)司(以下簡稱“藍星北化機”)開發(fa)(fa)(fa)的光(guang)(guang)熱(re)發(fa)(fa)(fa)電(dian)(dian)儲(chu)能(neng)技術繼成(cheng)功(gong)應用(yong)于(yu)(yu)青(qing)(qing)海德令(ling)哈10MW光(guang)(guang)熱(re)發(fa)(fa)(fa)電(dian)(dian)站項目后,又(you)成(cheng)功(gong)應用(yong)于(yu)(yu)青(qing)(qing)海中控德令(ling)哈50MW光(guang)(guang)熱(re)發(fa)(fa)(fa)電(dian)(dian)站項目,實現(xian)了科技成(cheng)果產業(ye)轉化。
光熱發(fa)電(dian)是繼風電(dian)、核能(neng)(neng)、光伏發(fa)電(dian)之后(hou)在(zai)全球范圍(wei)內發(fa)展迅速(su)的(de)新能(neng)(neng)源(yuan)技術,全生(sheng)命(ming)周(zhou)期碳排放量(liang)低于(yu)現有各種(zhong)能(neng)(neng)源(yuan),被認為(wei)是最清潔的(de)能(neng)(neng)源(yuan)利用形式(shi)。藍(lan)星北化機開發(fa)的(de)熔鹽儲熱系統(tong),是光熱發(fa)電(dian)站的(de)核心(xin)組成(cheng)部分之一,熔鹽儲熱系統(tong)使電(dian)廠能(neng)(neng)不受(shou)環境影響(xiang)持續穩定輸出電(dian)力,克服(fu)了新能(neng)(neng)源(yuan)中普遍存在(zai)的(de)“棄風”“棄光”問題。
“該技(ji)(ji)術白天利用太(tai)陽能(neng)(neng)將流過吸熱(re)(re)(re)(re)(re)器的(de)(de)熔(rong)(rong)(rong)鹽(yan)加熱(re)(re)(re)(re)(re)至高(gao)溫(wen)狀(zhuang)態(tai),一部分(fen)(fen)通過換熱(re)(re)(re)(re)(re)器產生(sheng)(sheng)蒸(zheng)汽(qi)直(zhi)接發電(dian)(dian),一部分(fen)(fen)在(zai)高(gao)溫(wen)熔(rong)(rong)(rong)鹽(yan)罐中儲(chu)(chu)存(cun)起來。”藍星北化機相關(guan)(guan)負責人說,即便是在(zai)夜(ye)間或(huo)陰雨天,儲(chu)(chu)存(cun)的(de)(de)能(neng)(neng)量(liang)通過換熱(re)(re)(re)(re)(re)器產生(sheng)(sheng)高(gao)溫(wen)高(gao)壓蒸(zheng)汽(qi)發電(dian)(dian),溫(wen)度降低(di)的(de)(de)熔(rong)(rong)(rong)鹽(yan)進入(ru)低(di)溫(wen)罐,準備(bei)進入(ru)下一個循(xun)環。該技(ji)(ji)術成功(gong)解(jie)決了熔(rong)(rong)(rong)鹽(yan)介質高(gao)溫(wen)、腐蝕性強、基(ji)礎散熱(re)(re)(re)(re)(re)、熱(re)(re)(re)(re)(re)變形(xing)及保溫(wen)等難(nan)題。熔(rong)(rong)(rong)鹽(yan)蓄熱(re)(re)(re)(re)(re)儲(chu)(chu)能(neng)(neng)技(ji)(ji)術是使太(tai)陽能(neng)(neng)光熱(re)(re)(re)(re)(re)發電(dian)(dian)具備(bei)調峰能(neng)(neng)力新型基(ji)礎電(dian)(dian)源的(de)(de)關(guan)(guan)鍵(jian)技(ji)(ji)術,還可用于(yu)供暖供氣領(ling)域。
藍星北(bei)化機繼把該技(ji)術(shu)成功(gong)(gong)應(ying)用于(yu)青(qing)海德(de)令哈(ha)10MW光熱(re)發電(dian)站項(xiang)(xiang)目(mu)后,又成功(gong)(gong)應(ying)用于(yu)青(qing)海中(zhong)控德(de)令哈(ha)50MW光熱(re)發電(dian)站項(xiang)(xiang)目(mu),該項(xiang)(xiang)目(mu)的(de)成功(gong)(gong)并網發電(dian)穩定(ding)運行帶給(gei)了業主(zhu)優秀的(de)經營業績與實質的(de)碳匯交易效(xiao)果(guo)。50MW塔式光熱(re)發電(dian)熔鹽蓄熱(re)儲能系統及裝備項(xiang)(xiang)目(mu)還得到了北(bei)京市節能技(ji)術(shu)產(chan)品(pin)(pin)評審專家的(de)認可,列入北(bei)京市節能技(ji)術(shu)產(chan)品(pin)(pin)推薦目(mu)錄。