什么叫低谷電鎂磚蓄熱蒸汽鍋爐?
目前電(dian)(dian)(dian)力管理部門將(jiang)全天用(yong)(yong)(yong)電(dian)(dian)(dian)分為4個時(shi)段;尖峰(feng)用(yong)(yong)(yong)電(dian)(dian)(dian)、峰(feng)用(yong)(yong)(yong)電(dian)(dian)(dian)、谷(gu)用(yong)(yong)(yong)電(dian)(dian)(dian)、平用(yong)(yong)(yong)電(dian)(dian)(dian)。尖峰(feng)用(yong)(yong)(yong)電(dian)(dian)(dian)是指(zhi)在(zai)用(yong)(yong)(yong)電(dian)(dian)(dian)量(liang)(liang)集中的(de)(de)時(shi)間(jian)(jian)段;峰(feng)用(yong)(yong)(yong)電(dian)(dian)(dian)是指(zhi)在(zai)用(yong)(yong)(yong)電(dian)(dian)(dian)量(liang)(liang)相對集中的(de)(de)時(shi)間(jian)(jian)段;谷(gu)用(yong)(yong)(yong)電(dian)(dian)(dian)是指(zhi)在(zai)用(yong)(yong)(yong)電(dian)(dian)(dian)量(liang)(liang)相對較少的(de)(de)時(shi)間(jian)(jian)段;平用(yong)(yong)(yong)電(dian)(dian)(dian)為剩(sheng)余(yu)時(shi)間(jian)(jian)段。具體每個時(shi)間(jian)(jian)段的(de)(de)界(jie)定,各(ge)地政(zheng)策均有不同。
對于終(zhong)端(duan)用電(dian)單(dan)位來講,使用低谷電(dian)可以降低企事業單(dan)位的(de)運行成本,同時因為使用清潔能源,可以避免一系列的(de)環保問題(ti)。
基于這樣(yang)的環境,我們研發設計生產(chan)了低谷電(dian)(dian)(dian)蓄熱(re)(re)(re)鍋(guo)爐,主要原理是(shi),在(zai)(zai)夜(ye)間(jian)供電(dian)(dian)(dian)低谷時(shi)(shi)段(一(yi)般(ban)為22點至7點,每度電(dian)(dian)(dian)一(yi)般(ban)在(zai)(zai)0.30元-0.60元之間(jian),根(gen)據各地(di)政策略有差(cha)異(yi)),利用夜(ye)間(jian)廉價的低谷電(dian)(dian)(dian),將固體合(he)金蓄熱(re)(re)(re)介(jie)質加熱(re)(re)(re)到預定溫度儲存(cun)熱(re)(re)(re)量,然后通(tong)過自控裝(zhuang)置,將低谷電(dian)(dian)(dian)時(shi)(shi)段儲存(cun)的熱(re)(re)(re)量在(zai)(zai)非低谷電(dian)(dian)(dian)時(shi)(shi)段或者全天24小時(shi)(shi)按(an)需(xu)要釋放,從而(er)實現均(jun)衡(heng)供熱(re)(re)(re)需(xu)求(qiu)。
金喆新能源設計生產的低谷電蓄熱蒸汽鍋爐,又因為其蓄熱介質的基礎材料為鎂,又常被稱為鎂磚蓄熱蒸汽鍋爐、固體蓄熱蒸汽鍋爐、固體電蓄熱蒸汽機組。
低谷電蓄熱蒸汽鍋爐的運行原理解析
利用谷電時段價格(ge)低廉(lian)的電能將固(gu)體蓄熱體加熱到超高(gao)溫(wen),工作時間段啟動(dong)高(gao)溫(wen)循環風機(ji)將高(gao)溫(wen)熱風送入蒸汽發生(sheng)器(qi),在(zai)蒸汽發生(sheng)器(qi)內加熱高(gao)壓(ya)柱塞泵加壓(ya)送入的軟化水,經換(huan)熱產生(sheng)高(gao)溫(wen)高(gao)壓(ya)蒸汽,本機(ji)組可利用天然(ran)氣燃燒補(bu)熱,蒸汽穩定。
低谷電蓄熱蒸汽鍋爐的運行成本解析
因為鍋爐主要耗電時段是電價低廉的低谷電時段,所以,運行成本僅為傳統電蒸汽發生器的1/3-1/2,并且占地面積小50%以上,是非常省錢、新型高效的電蒸汽鍋爐(電蒸汽機組)。
電蒸汽(qi)(qi)鍋(guo)爐噸蒸汽(qi)(qi)成(cheng)本(ben)超過500元,天然氣超過300元,利用谷電蓄熱(re)產(chan)蒸汽(qi)(qi),噸蒸汽(qi)(qi)成(cheng)本(ben)在210元左右,是(shi)目(mu)前除了燃煤機組或者電廠(chang)余熱(re)外價格較低的清潔(jie)能源供(gong)熱(re)方式。