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據(ju)東方電(dian)氣股份有(you)限(xian)公司(si)消息，日前(qian)，東方電(dian)氣自動控制(zhi)工(gong)程有(you)限(xian)公司(si)（簡稱：東方自控）中(zhong)標中(zhong)廣核(he)新能源青海德(de)令(ling)哈光(guang)儲熱(re)一體(ti)化200萬千瓦項(xiang)目高壓變頻器設備采購(gou)項(xiang)目。

該項目采用光伏發電(dian)和光熱儲能(neng)相結合(he)的可再生能(neng)源發電(dian)技術，建成投(tou)產后年上(shang)網電(dian)量可達(da)36.5億度，是全(quan)球(qiu)最大單(dan)機容量塔式(shi)光熱發電(dian)項目。

項(xiang)目位于青海省海西州德(de)令(ling)哈市柯(ke)魯柯(ke)鎮，廠址距(ju)(ju)離(li)柯(ke)魯柯(ke)鎮公路(lu)(lu)(lu)里程約(yue)30km，距(ju)(ju)離(li)德(de)令(ling)哈市公路(lu)(lu)(lu)里程約(yue)40km，場(chang)區南側臨近G315及S20，場(chang)區距(ju)(ju)離(li)S20公路(lu)(lu)(lu)里程約(yue)12km，本(ben)(ben)項(xiang)目進廠道(dao)路(lu)(lu)(lu)從(cong)南部國(guo)(guo)防路(lu)(lu)(lu)引接，國(guo)(guo)防路(lu)(lu)(lu)與(yu)S20銜接，對外交通(tong)便利(li)。本(ben)(ben)項(xiang)目一(yi)(yi)期(qi)新建200MW光(guang)熱(re)儲(chu)能發(fa)電項(xiang)目，作為德(de)令(ling)哈“光(guang)熱(re)儲(chu)”一(yi)(yi)體化項(xiang)目的一(yi)(yi)部分，利(li)用熔(rong)鹽電加熱(re)裝置有效吸收10%光(guang)伏棄(qi)電儲(chu)熱(re)，儲(chu)能時長(chang)不低于6小(xiao)時。項(xiang)目計(ji)劃于2023年12月(yue)開(kai)工(gong)，建設工(gong)期(qi)為18月(yue)。

本工程(cheng)為光(guang)熱(re)(re)(re)(re)(re)(re)儲(chu)(chu)(chu)(chu)一體化(hua)項目一期工程(cheng)中的(de)(de)光(guang)熱(re)(re)(re)(re)(re)(re)儲(chu)(chu)(chu)(chu)能發(fa)(fa)電(dian)(dian)工程(cheng)，擬建設(she)1套(tao)容(rong)量為200MW超高壓、高溫、一次中間再(zai)熱(re)(re)(re)(re)(re)(re)、空冷(leng)(leng)凝(ning)汽(qi)式汽(qi)輪發(fa)(fa)電(dian)(dian)機(ji)組，配套(tao)建設(she)1套(tao)以熔(rong)(rong)(rong)鹽(yan)(yan)(yan)為傳熱(re)(re)(re)(re)(re)(re)介質的(de)(de)塔式聚光(guang)集熱(re)(re)(re)(re)(re)(re)系(xi)(xi)統(tong)(tong)(tong)(tong)、1套(tao)蒸汽(qi)發(fa)(fa)生系(xi)(xi)統(tong)(tong)(tong)(tong)、1套(tao)可滿(man)足汽(qi)輪發(fa)(fa)電(dian)(dian)機(ji)組額定功率運行6h的(de)(de)熔(rong)(rong)(rong)鹽(yan)(yan)(yan)儲(chu)(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)系(xi)(xi)統(tong)(tong)(tong)(tong)（有效儲(chu)(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)容(rong)量2646MWht）。本工程(cheng)采用二元熔(rong)(rong)(rong)鹽(yan)(yan)(yan)（60%硝酸鈉與(yu)40%硝酸鉀(jia)）作(zuo)為吸(xi)熱(re)(re)(re)(re)(re)(re)介質和儲(chu)(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)系(xi)(xi)統(tong)(tong)(tong)(tong)儲(chu)(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)介質。儲(chu)(chu)(chu)(chu)熱(re)(re)(re)(re)(re)(re)系(xi)(xi)統(tong)(tong)(tong)(tong)設(she)1個冷(leng)(leng)熔(rong)(rong)(rong)鹽(yan)(yan)(yan)罐和1個熱(re)(re)(re)(re)(re)(re)熔(rong)(rong)(rong)鹽(yan)(yan)(yan)罐。熔(rong)(rong)(rong)鹽(yan)(yan)(yan)系(xi)(xi)統(tong)(tong)(tong)(tong)配置(zhi)疏(shu)(shu)鹽(yan)(yan)(yan)系(xi)(xi)統(tong)(tong)(tong)(tong)，當有熔(rong)(rong)(rong)鹽(yan)(yan)(yan)介質的(de)(de)系(xi)(xi)統(tong)(tong)(tong)(tong)停(ting)止使用或需疏(shu)(shu)放時，可在(zai)短的(de)(de)時間內排空熔(rong)(rong)(rong)鹽(yan)(yan)(yan)，防止熔(rong)(rong)(rong)鹽(yan)(yan)(yan)凝(ning)固。本工程(cheng)熔(rong)(rong)(rong)鹽(yan)(yan)(yan)疏(shu)(shu)放系(xi)(xi)統(tong)(tong)(tong)(tong)設(she)置(zhi)1臺(tai)45m3疏(shu)(shu)鹽(yan)(yan)(yan)罐，2臺(tai)100%容(rong)量的(de)(de)立式疏(shu)(shu)鹽(yan)(yan)(yan)泵。疏(shu)(shu)鹽(yan)(yan)(yan)泵安(an)裝在(zai)疏(shu)(shu)鹽(yan)(yan)(yan)罐的(de)(de)頂(ding)部，將疏(shu)(shu)鹽(yan)(yan)(yan)罐中熔(rong)(rong)(rong)鹽(yan)(yan)(yan)送至低溫熔(rong)(rong)(rong)鹽(yan)(yan)(yan)儲(chu)(chu)(chu)(chu)罐或高溫熔(rong)(rong)(rong)鹽(yan)(yan)(yan)儲(chu)(chu)(chu)(chu)罐，回收(shou)熔(rong)(rong)(rong)鹽(yan)(yan)(yan)。