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據東(dong)方電氣(qi)股份有限公司消息(xi)，日前(qian)，東(dong)方電氣(qi)自動(dong)控制(zhi)工程有限公司（簡稱：東(dong)方自控）中標中廣核新能源青海德(de)令(ling)哈光儲熱(re)一(yi)體化200萬(wan)千(qian)瓦項目高壓變頻器設備(bei)采購項目。

該項(xiang)目(mu)采用光(guang)伏發(fa)電和(he)光(guang)熱儲能相結合的可再生能源發(fa)電技(ji)術(shu)，建成投產后年上網電量可達36.5億度，是全球最大單機(ji)容量塔式光(guang)熱發(fa)電項(xiang)目(mu)。

項(xiang)目位于青海省海西(xi)州德(de)(de)令(ling)(ling)哈市(shi)柯魯柯鎮，廠(chang)址距(ju)(ju)離(li)柯魯柯鎮公路(lu)里程約(yue)30km，距(ju)(ju)離(li)德(de)(de)令(ling)(ling)哈市(shi)公路(lu)里程約(yue)40km，場區南側臨(lin)近G315及(ji)S20，場區距(ju)(ju)離(li)S20公路(lu)里程約(yue)12km，本(ben)項(xiang)目進廠(chang)道路(lu)從南部國防(fang)(fang)路(lu)引(yin)接，國防(fang)(fang)路(lu)與S20銜接，對外交通便(bian)利。本(ben)項(xiang)目一期(qi)新建200MW光(guang)熱(re)儲(chu)能發電(dian)項(xiang)目，作為德(de)(de)令(ling)(ling)哈“光(guang)熱(re)儲(chu)”一體化項(xiang)目的一部分，利用熔鹽電(dian)加熱(re)裝(zhuang)置有效吸收10%光(guang)伏棄(qi)電(dian)儲(chu)熱(re)，儲(chu)能時長不低于6小(xiao)時。項(xiang)目計劃于2023年12月開工(gong)，建設工(gong)期(qi)為18月。

本(ben)工(gong)程(cheng)為(wei)光(guang)熱(re)(re)(re)儲(chu)一(yi)(yi)體化項目一(yi)(yi)期工(gong)程(cheng)中的光(guang)熱(re)(re)(re)儲(chu)能發(fa)(fa)電(dian)工(gong)程(cheng)，擬(ni)建設1套容(rong)量(liang)為(wei)200MW超高壓、高溫(wen)、一(yi)(yi)次中間再熱(re)(re)(re)、空(kong)冷(leng)凝汽(qi)式汽(qi)輪發(fa)(fa)電(dian)機(ji)組，配套建設1套以熔(rong)(rong)鹽(yan)(yan)為(wei)傳熱(re)(re)(re)介(jie)(jie)質的塔(ta)式聚光(guang)集(ji)熱(re)(re)(re)系(xi)統(tong)(tong)(tong)、1套蒸(zheng)汽(qi)發(fa)(fa)生系(xi)統(tong)(tong)(tong)、1套可滿足(zu)汽(qi)輪發(fa)(fa)電(dian)機(ji)組額定功率運行(xing)6h的熔(rong)(rong)鹽(yan)(yan)儲(chu)熱(re)(re)(re)系(xi)統(tong)(tong)(tong)（有效(xiao)儲(chu)熱(re)(re)(re)容(rong)量(liang)2646MWht）。本(ben)工(gong)程(cheng)采(cai)用二元熔(rong)(rong)鹽(yan)(yan)（60%硝酸鈉與40%硝酸鉀）作(zuo)為(wei)吸熱(re)(re)(re)介(jie)(jie)質和儲(chu)熱(re)(re)(re)系(xi)統(tong)(tong)(tong)儲(chu)熱(re)(re)(re)介(jie)(jie)質。儲(chu)熱(re)(re)(re)系(xi)統(tong)(tong)(tong)設1個冷(leng)熔(rong)(rong)鹽(yan)(yan)罐(guan)(guan)(guan)(guan)和1個熱(re)(re)(re)熔(rong)(rong)鹽(yan)(yan)罐(guan)(guan)(guan)(guan)。熔(rong)(rong)鹽(yan)(yan)系(xi)統(tong)(tong)(tong)配置疏(shu)鹽(yan)(yan)系(xi)統(tong)(tong)(tong)，當(dang)有熔(rong)(rong)鹽(yan)(yan)介(jie)(jie)質的系(xi)統(tong)(tong)(tong)停止使用或(huo)需疏(shu)放時，可在(zai)短的時間內排(pai)空(kong)熔(rong)(rong)鹽(yan)(yan)，防止熔(rong)(rong)鹽(yan)(yan)凝固(gu)。本(ben)工(gong)程(cheng)熔(rong)(rong)鹽(yan)(yan)疏(shu)放系(xi)統(tong)(tong)(tong)設置1臺45m3疏(shu)鹽(yan)(yan)罐(guan)(guan)(guan)(guan)，2臺100%容(rong)量(liang)的立式疏(shu)鹽(yan)(yan)泵。疏(shu)鹽(yan)(yan)泵安裝在(zai)疏(shu)鹽(yan)(yan)罐(guan)(guan)(guan)(guan)的頂部(bu)，將疏(shu)鹽(yan)(yan)罐(guan)(guan)(guan)(guan)中熔(rong)(rong)鹽(yan)(yan)送至低溫(wen)熔(rong)(rong)鹽(yan)(yan)儲(chu)罐(guan)(guan)(guan)(guan)或(huo)高溫(wen)熔(rong)(rong)鹽(yan)(yan)儲(chu)罐(guan)(guan)(guan)(guan)，回(hui)收熔(rong)(rong)鹽(yan)(yan)。