文(wen)章來(lai)源:中國鋁業公司(si) 發布時(shi)間:2009-01-14
大(da)(da)力(li)推進節能(neng)減(jian)排(pai)工(gong)(gong)作,是我國(guo)(guo)(guo)國(guo)(guo)(guo)民(min)經(jing)濟和(he)社會(hui)發(fa)(fa)展 “十一(yi)五”規劃的(de)重(zhong)要內容,是貫徹落實科(ke)(ke)(ke)學發(fa)(fa)展觀,建(jian)設資源節約(yue)型、環境友好型社會(hui),構建(jian)社會(hui)主義和(he)諧(xie)社會(hui)的(de)重(zhong)大(da)(da)舉措。近(jin)年來,中國(guo)(guo)(guo)鋁業公司認真落實國(guo)(guo)(guo)家節能(neng)減(jian)排(pai)政策措施,按照國(guo)(guo)(guo)務院國(guo)(guo)(guo)資委的(de)部署(shu)和(he)要求,扎實推進節能(neng)減(jian)排(pai)工(gong)(gong)作,收(shou)到了良(liang)好的(de)效果。特別是在(zai)電解(jie)鋁節能(neng)減(jian)排(pai)方面(mian),中鋁公司轉變觀念、強化措施,大(da)(da)力(li)開展科(ke)(ke)(ke)技(ji)研發(fa)(fa),積極(ji)推廣應用(yong)先進技(ji)術和(he)工(gong)(gong)藝,保持了節能(neng)減(jian)排(pai)和(he)科(ke)(ke)(ke)技(ji)研發(fa)(fa)水平(ping)不斷進步的(de)良(liang)好態勢。
2005年(nian)到2007年(nian)三年(nian)中(zhong),中(zhong)鋁(lv)(lv)公(gong)(gong)(gong)(gong)司(si)(si)組織召開了(le)五次公(gong)(gong)(gong)(gong)司(si)(si)范圍(wei)內(nei)的(de)(de)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)(lv)節(jie)能(neng)降(jiang)耗綜(zong)(zong)合(he)技(ji)術(shu)交(jiao)流推(tui)廣(guang)會,以推(tui)進低電(dian)(dian)(dian)壓(ya)、低效(xiao)(xiao)(xiao)應(ying)等技(ji)術(shu)為(wei)突破口,先后推(tui)廣(guang)應(ying)用了(le)強化(hua)(hua)電(dian)(dian)(dian)流技(ji)術(shu)、陽極(ji)(ji)(ji)底部開槽技(ji)術(shu)和(he)(he)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)(lv)鑄(zhu)造免打渣等12項(xiang)技(ji)術(shu),實(shi)現了(le)不同成分的(de)(de)石墨(mo)質陰極(ji)(ji)(ji)和(he)(he)石墨(mo)化(hua)(hua)陰極(ji)(ji)(ji)生(sheng)產(chan)技(ji)術(shu)的(de)(de)產(chan)業化(hua)(hua),初(chu)步建(jian)立了(le)一(yi)整(zheng)套公(gong)(gong)(gong)(gong)司(si)(si)大型鋁(lv)(lv)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)槽運行和(he)(he)管(guan)理(li)的(de)(de)理(li)念和(he)(he)管(guan)理(li)辦(ban)法,全(quan)面(mian)(mian)推(tui)進了(le)各成員企業的(de)(de)技(ji)術(shu)共享,保持(chi)(chi)了(le)公(gong)(gong)(gong)(gong)司(si)(si)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)(lv)技(ji)術(shu)經濟指標的(de)(de)全(quan)面(mian)(mian)優化(hua)(hua)。與(yu)2004年(nian)度相(xiang)比,2007年(nian)中(zhong)鋁(lv)(lv)公(gong)(gong)(gong)(gong)司(si)(si)鋁(lv)(lv)錠(ding)綜(zong)(zong)合(he)交(jiao)流電(dian)(dian)(dian)耗、氟化(hua)(hua)鹽(yan)消(xiao)耗、原鋁(lv)(lv)炭(tan)(tan)陽極(ji)(ji)(ji)凈(jing)耗、電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)槽效(xiao)(xiao)(xiao)應(ying)系數等節(jie)能(neng)減排關(guan)鍵指標實(shi)現了(le)持(chi)(chi)續(xu)優化(hua)(hua)。噸鋁(lv)(lv)鋁(lv)(lv)錠(ding)綜(zong)(zong)合(he)交(jiao)流電(dian)(dian)(dian)耗降(jiang)低343.24度,氟化(hua)(hua)鹽(yan)消(xiao)耗降(jiang)低4.39Kg/t,原鋁(lv)(lv)炭(tan)(tan)陽極(ji)(ji)(ji)凈(jing)耗降(jiang)低4.17Kg/t,僅2007年(nian)度公(gong)(gong)(gong)(gong)司(si)(si)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)(lv)企業節(jie)電(dian)(dian)(dian)達12.25億度,少用石油焦(jiao)近2萬(wan)噸。由于(yu)全(quan)面(mian)(mian)控制了(le)鋁(lv)(lv)電(dian)(dian)(dian)解(jie)(jie)(jie)(jie)過程中(zhong)的(de)(de)陽極(ji)(ji)(ji)效(xiao)(xiao)(xiao)應(ying)時間(jian),PFC減排達53%,每(mei)年(nian)減少近萬(wan)噸含氟固體廢(fei)棄物排放,取得了(le)巨(ju)大的(de)(de)環境效(xiao)(xiao)(xiao)益和(he)(he)經濟效(xiao)(xiao)(xiao)益。
近日(ri),中鋁(lv)公(gong)司召開第二輪(lun)電(dian)(dian)解(jie)鋁(lv)節能(neng)(neng)(neng)減(jian)排(pai)(pai)(pai)啟動會,進一步明確了今后推動電(dian)(dian)解(jie)鋁(lv)節能(neng)(neng)(neng)減(jian)排(pai)(pai)(pai)工作(zuo)的措施,提出了第二輪(lun)電(dian)(dian)解(jie)鋁(lv)節能(neng)(neng)(neng)減(jian)排(pai)(pai)(pai)工作(zuo)目標:到(dao)(dao)2010年,第二階(jie)段(duan)節能(neng)(neng)(neng)降耗工作(zuo)結束(shu),公(gong)司電(dian)(dian)解(jie)鋁(lv)技術(shu)總體(ti)水平(ping)達(da)到(dao)(dao)世(shi)界領(ling)先水平(ping),原鋁(lv)綜合交流電(dian)(dian)耗要低于14300 kWh/t,噸鋁(lv)節電(dian)(dian)250 kWh以上(shang);氟化鹽消耗再降低4公(gong)斤(jin),槽(cao)壽命達(da)到(dao)(dao)1900天以上(shang);陽極效應系數降到(dao)(dao)0.08次(ci)/槽(cao)日(ri)以下,實現(xian)大幅度減(jian)排(pai)(pai)(pai);廢槽(cao)襯(chen)基本(ben)實行無害化處(chu)理,實現(xian)無廢渣排(pai)(pai)(pai)放。
在第(di)一階段電(dian)解鋁(lv)節(jie)能降(jiang)耗綜(zong)合(he)交流技(ji)術(shu)(shu)(shu)推廣取(qu)得顯著成(cheng)績的基礎上(shang),中鋁(lv)公司將以(yi)《電(dian)解槽三度尋優控(kong)制技(ji)術(shu)(shu)(shu)》為突破(po)口,大力(li)(li)推進科(ke)技(ji)成(cheng)果的產業化和(he)推廣應用,全面提升公司電(dian)解鋁(lv)生(sheng)產技(ji)術(shu)(shu)(shu)水(shui)平,優化各項(xiang)技(ji)術(shu)(shu)(shu)經濟指標,大力(li)(li)開(kai)展第(di)二階段的電(dian)解鋁(lv)節(jie)能降(jiang)耗工(gong)(gong)作(zuo),確保完成(cheng)國(guo)家(jia)給(gei)公司下達的“十一五”節(jie)能減(jian)排的目標,并以(yi)此增強我國(guo)電(dian)解鋁(lv)工(gong)(gong)業的競爭(zheng)力(li)(li)。
《電(dian)(dian)解(jie)(jie)(jie)槽三度尋優控制(zhi)(zhi)技術》是中鋁公司近期成功開發的一項節能(neng)減排技術,以(yi)(yi)電(dian)(dian)解(jie)(jie)(jie)質溫(wen)度、初晶溫(wen)度和(he)過熱(re)度的控制(zhi)(zhi)為切入點,實(shi)現電(dian)(dian)解(jie)(jie)(jie)槽物(wu)料(liao)平(ping)衡和(he)能(neng)量(liang)平(ping)衡,從而獲(huo)得電(dian)(dian)解(jie)(jie)(jie)槽的穩定運行(xing),電(dian)(dian)流(liu)效(xiao)(xiao)率(lv)的提高(gao)(gao)、物(wu)料(liao)消耗和(he)能(neng)耗的降低以(yi)(yi)及陽(yang)極(ji)效(xiao)(xiao)應(ying)和(he)PFC排放(fang)的減少。該技術在中國(guo)鋁業(ye)廣西分公司160KA和(he)320KA大型鋁電(dian)(dian)解(jie)(jie)(jie)槽上(shang)應(ying)用后電(dian)(dian)解(jie)(jie)(jie)槽運行(xing)穩定,電(dian)(dian)流(liu)效(xiao)(xiao)率(lv)大幅提高(gao)(gao),節能(neng)和(he)提產(chan)效(xiao)(xiao)果顯著(zhu)。總(zong)體上(shang)提高(gao)(gao)電(dian)(dian)流(liu)效(xiao)(xiao)率(lv)2.0%以(yi)(yi)上(shang),噸鋁陽(yang)極(ji)毛耗降低9.8Kg,噸鋁直(zhi)流(liu)電(dian)(dian)耗降低137kwh/t.Al以(yi)(yi)上(shang),經濟效(xiao)(xiao)益(yi)十(shi)分顯著(zhu)。經中國(guo)有色金屬工業(ye)協(xie)會組織的專家鑒定認(ren)為:整體技術達到了(le)國(guo)際先進水平(ping)。
節能(neng)減排是(shi)推(tui)進經濟結構調整、切實(shi)轉(zhuan)變增長方式、實(shi)現(xian)企業(ye)更(geng)好更(geng)快發(fa)展(zhan)(zhan)的(de)(de)必由(you)之路(lu)。作為中央企業(ye)一員(yuan),中鋁(lv)公司將把落實(shi)國家(jia)發(fa)展(zhan)(zhan)規劃作為企業(ye)的(de)(de)重(zhong)要(yao)責任,進一步深化觀念創新(xin)、科技創新(xin)和管理創新(xin),認真做好節能(neng)減排工作,實(shi)現(xian)節約(yue)發(fa)展(zhan)(zhan)、清潔發(fa)展(zhan)(zhan)和安全發(fa)展(zhan)(zhan),力(li)爭做環境友好型、資源節約(yue)型的(de)(de)企業(ye),為實(shi)現(xian)國家(jia)節能(neng)減排工作目標、推(tui)進社會(hui)主義和諧社會(hui)建設做出新(xin)的(de)(de)更(geng)大的(de)(de)貢獻。