中(zhong)國兵器工業集(ji)團北化研究院集(ji)團銀光公司一(yi)(yi)氧(yang)化碳回收(shou)項目(mu)自5月21日生產(chan)出合格光氣(qi)以來,一(yi)(yi)氧(yang)化碳尾氣(qi)回收(shou)量為400千克/小時(shi),解決了TDI生產(chan)線(xian)一(yi)(yi)氧(yang)化碳浪費難題(ti),降低了焦(jiao)炭(tan)、堿液等原材料消耗(hao),減少了二氧(yang)化碳尾氣(qi)排(pai)放,年創效(xiao)達900余萬元。 TDI生(sheng)產線有(you)2套光氣(qi)合成(cheng)(cheng)裝(zhuang)置(zhi),為保(bao)證氯氣(qi)完全反應,一(yi)氧(yang)化(hua)(hua)碳為過(guo)量投料,光氣(qi)合成(cheng)(cheng)裝(zhuang)置(zhi)尾(wei)氣(qi)中含有(you)部分未反應的(de)(de)一(yi)氧(yang)化(hua)(hua)碳。2018年,隨著TDI產能(neng)的(de)(de)提升(sheng),大量一(yi)氧(yang)化(hua)(hua)碳通過(guo)火(huo)炬(ju)焚(fen)燒后(hou)排(pai)放,既增加環(huan)保(bao)負擔(dan),又(you)造成(cheng)(cheng)資源浪(lang)費,使一(yi)氧(yang)化(hua)(hua)碳消耗居高(gao)不(bu)下,導(dao)致焦(jiao)炭消耗升(sheng)高(gao)。 為回(hui)收(shou)(shou)(shou)利(li)用一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)尾(wei)(wei)氣(qi)(qi),進一(yi)(yi)(yi)步挖潛(qian)降耗減排(pai),銀光公司先(xian)后通(tong)過發(fa)布“賽馬”課題、組(zu)建(jian)(jian)“三結合(he)(he)”改善(shan)團(tuan)隊(dui)、開展“黨員創(chuang)新工(gong)(gong)程(cheng)”等活動,廣泛征集合(he)(he)理(li)化(hua)(hua)建(jian)(jian)議,不斷(duan)完(wan)善(shan)一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)回(hui)收(shou)(shou)(shou)工(gong)(gong)藝技(ji)(ji)術方案。該(gai)項(xiang)目借(jie)助(zhu)企業成(cheng)(cheng)(cheng)熟(shu)的(de)(de)光氣(qi)(qi)合(he)(he)成(cheng)(cheng)(cheng)平臺,于(yu)2018年(nian)底完(wan)成(cheng)(cheng)(cheng)自主設(she)計(ji)(ji),利(li)舊原有設(she)備實施改造,今年(nian)年(nian)初完(wan)成(cheng)(cheng)(cheng)初步建(jian)(jian)設(she)。企業及時組(zu)織項(xiang)目單(dan)機、聯動試車,壓力容(rong)器、壓力管道注冊等工(gong)(gong)作。5月(yue)21日(ri),該(gai)項(xiang)目一(yi)(yi)(yi)次投料成(cheng)(cheng)(cheng)功。運(yun)(yun)行(xing)初期,先(xian)接收(shou)(shou)(shou)一(yi)(yi)(yi)套(tao)光氣(qi)(qi)合(he)(he)成(cheng)(cheng)(cheng)單(dan)元(yuan)一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)尾(wei)(wei)氣(qi)(qi),技(ji)(ji)術人員優(you)化(hua)(hua)工(gong)(gong)藝控制,解決運(yun)(yun)行(xing)過程(cheng)中遇到的(de)(de)各類問題,逐(zhu)步提高(gao)一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)回(hui)收(shou)(shou)(shou)量。6月(yue)4日(ri),一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)回(hui)收(shou)(shou)(shou)項(xiang)目達到接收(shou)(shou)(shou)兩套(tao)光氣(qi)(qi)合(he)(he)成(cheng)(cheng)(cheng)單(dan)元(yuan)一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)尾(wei)(wei)氣(qi)(qi)的(de)(de)條件,生(sheng)(sheng)產(chan)線負荷達到設(she)計(ji)(ji)要求。截至6月(yue)25日(ri),累計(ji)(ji)生(sheng)(sheng)產(chan)光氣(qi)(qi)680余噸(dun),回(hui)收(shou)(shou)(shou)一(yi)(yi)(yi)氧(yang)(yang)化(hua)(hua)碳(tan)(tan)190余噸(dun)。(譚順蘭 龔曉(xiao)龍) |