國家能源集團低碳院成功刷新大巴車連續加氫多項世界紀錄
2021-07-06
566
gjys004
美國(guo)俄亥俄州(zhou)斯塔克郡2021年7月6日 /美通社/ -- 近日,
在(zai)實地測試條件下,低(di)碳院北美(mei)中心開(kai)創性的基于(yu)潛浸泵(beng)的液氫(qing)(qing)(qing)(qing)(qing)加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)站為SARTA公(gong)(gong)司的10輛氫(qing)(qing)(qing)(qing)(qing)燃(ran)料(liao)電池大(da)巴(ba)車(che)(che)和5輛氫(qing)(qing)(qing)(qing)(qing)燃(ran)料(liao)電池中巴(ba)車(che)(che)共加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)118次(ci),累計氫(qing)(qing)(qing)(qing)(qing)氣(qi)量3700公(gong)(gong)斤。其(qi)中單日(ri)液氫(qing)(qing)(qing)(qing)(qing)泵(beng)運(yun)行11.5小時,一桿加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)槍完成52次(ci)連續加(jia)(jia)(jia)注,總計1322公(gong)(gong)斤氫(qing)(qing)(qing)(qing)(qing)氣(qi),車(che)(che)載儲(chu)(chu)罐(guan)平(ping)均(jun)填(tian)充度(du)(du)達(da)到98.5%。大(da)巴(ba)車(che)(che)加(jia)(jia)(jia)注數量、加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)槍加(jia)(jia)(jia)注速度(du)(du)、車(che)(che)載儲(chu)(chu)罐(guan)加(jia)(jia)(jia)滿程度(du)(du)都超過了之前的世界(jie)紀錄(兩桿加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)槍在(zai)8小時內完成了30輛大(da)巴(ba)車(che)(che)加(jia)(jia)(jia)注,車(che)(che)載儲(chu)(chu)罐(guan)填(tian)充度(du)(du)低(di)于(yu)90%)。該技術的單泵(beng)平(ping)均(jun)加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)速度(du)(du)可(ke)達(da)到4公(gong)(gong)斤/分鐘(zhong),這(zhe)已(yi)超過美(mei)國能(neng)源(yuan)部為加(jia)(jia)(jia)氫(qing)(qing)(qing)(qing)(qing)站設定的2030年速度(du)(du)目(mu)標(雙泵(beng)在(zai)8分鐘(zhong)內加(jia)(jia)(jia)注60公(gong)(gong)斤氫(qing)(qing)(qing)(qing)(qing)氣(qi))。
現(xian)(xian)有(you)液氫(qing)(qing)(qing)(qing)(qing)(qing)加氫(qing)(qing)(qing)(qing)(qing)(qing)站(zhan)使用(yong)外(wai)置(zhi)泵將高壓氫(qing)(qing)(qing)(qing)(qing)(qing)氣輸(shu)送到(dao)(dao)車輛。在(zai)低碳院北美中(zhong)心開發的加氫(qing)(qing)(qing)(qing)(qing)(qing)系統(tong)中(zhong),泵被浸沒在(zai)液氫(qing)(qing)(qing)(qing)(qing)(qing)儲罐中(zhong),保持恒溫。這(zhe)種(zhong)獨特(te)配置(zhi)極大地提(ti)高熱(re)效率、增加可靠性(xing)、減少(shao)維護(hu)成(cheng)本(ben)。加氫(qing)(qing)(qing)(qing)(qing)(qing)過程(cheng)中(zhong)采用(yong)一種(zhong)利用(yong)液氫(qing)(qing)(qing)(qing)(qing)(qing)作為冷(leng)(leng)源的獨特(te)工藝,可完全取(qu)代機械制冷(leng)(leng)系統(tong)并(bing)預冷(leng)(leng)氫(qing)(qing)(qing)(qing)(qing)(qing)氣,不僅可提(ti)高加注速度(du),而且實現(xian)(xian)了即(ji)時(shi)啟動(dong)、直(zhi)接加注,無限(xian)制連續(xu)加氫(qing)(qing)(qing)(qing)(qing)(qing)。通過簡化(hua)設(she)(she)計和(he)提(ti)高熱(re)效率,該加氫(qing)(qing)(qing)(qing)(qing)(qing)技(ji)術(shu)與現(xian)(xian)有(you)加氫(qing)(qing)(qing)(qing)(qing)(qing)站(zhan)技(ji)術(shu)相(xiang)比(bi)(bi),設(she)(she)備成(cheng)本(ben)和(he)運營成(cheng)本(ben)各低30%、蒸發損失低50%、系統(tong)能耗(hao)低90%、維護(hu)成(cheng)本(ben)低75%。液氫(qing)(qing)(qing)(qing)(qing)(qing)泵單泵加氫(qing)(qing)(qing)(qing)(qing)(qing)速度(du)達(da)到(dao)(dao)240公斤(jin)/小(xiao)時(shi),日(ri)加氫(qing)(qing)(qing)(qing)(qing)(qing)量達(da)到(dao)(dao)2噸(dun)(dun)(相(xiang)比(bi)(bi)之下,目前氣氫(qing)(qing)(qing)(qing)(qing)(qing)加氫(qing)(qing)(qing)(qing)(qing)(qing)速度(du)最(zui)高為100公斤(jin)/小(xiao)時(shi),日(ri)加氫(qing)(qing)(qing)(qing)(qing)(qing)量最(zui)高為1噸(dun)(dun))。
SARTA實地加氫演示證明,低碳院北美中心此項開創性的液氫加氫技術在保證有液氫供應的條件下,可實現安全、高效、大容量、無限制的連續加注,其性能達到了世界領先水平,完全有能力為大型燃料電池車隊提供快速、滿裝、無間斷的加氫服務,并有望在不久的將來實現氫燃料與汽柴油平價。低碳院將率先在北美地區推動該項技術的商業化,積累運營經驗并進行產品迭代;待國內液氫民用成熟時,將助力