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電解鋁廠布袋除塵器

發布時間:2022-08-18人(ren)氣(qi):

  隨(sui)著環保標(biao)準的(de)(de)(de)提(ti)(ti)高和大氣污染問題的(de)(de)(de)日益(yi)突顯,電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)業(ye)對除(chu)塵(chen)技術(shu)也提(ti)(ti)出(chu)了(le)的(de)(de)(de)要求。電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)業(ye)用(yong)(yong)(yong)(yong)是(shi)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)煙氣干(gan)(gan)法(fa)凈(jing)化(hua)(hua)系(xi)(xi)(xi)統(tong)的(de)(de)(de)重(zhong)要組成(cheng)部(bu)分,它不同(tong)于常(chang)規(gui),而是(shi)具有(you)(you)協(xie)同(tong)控制功能的(de)(de)(de)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)。電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)一(yi)方面(mian)要促使氧化(hua)(hua)鋁(lv)吸附含(han)氟煙氣,另(ling)一(yi)方面(mian)還要過濾含(han)氟氧化(hua)(hua)鋁(lv)粉塵(chen),所以電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)既是(shi)干(gan)(gan)法(fa)凈(jing)化(hua)(hua)系(xi)(xi)(xi)統(tong)中的(de)(de)(de)吸附反(fan)應容器(qi)的(de)(de)(de)一(yi)部(bu)分,也是(shi)氣固分離設備,在整個干(gan)(gan)法(fa)凈(jing)化(hua)(hua)系(xi)(xi)(xi)統(tong)中有(you)(you)著重(zhong)要的(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong),其過濾特性直接影響(xiang)到干(gan)(gan)法(fa)凈(jing)化(hua)(hua)系(xi)(xi)(xi)統(tong)的(de)(de)(de)性能。研究電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)協(xie)同(tong)控制用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)的(de)(de)(de)流場特性,從(cong)而電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)內部(bu)流場和濾袋(dai)(dai)(dai)(dai)(dai)場的(de)(de)(de)分布規(gui)律,來進(jin)一(yi)步(bu)分析(xi)影響(xiang)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)濾袋(dai)(dai)(dai)(dai)(dai)過濾特性的(de)(de)(de)因(yin)素,對提(ti)(ti)高電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)工(gong)(gong)藝(yi)(yi)用(yong)(yong)(yong)(yong)袋(dai)(dai)(dai)(dai)(dai)式(shi)(shi)(shi)除(chu)塵(chen)器(qi)對電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)(jie)鋁(lv)煙氣凈(jing)化(hua)(hua)效率,具有(you)(you)的(de)(de)(de)參考(kao)意(yi)義。

 對電(dian)(dian)解(jie)鋁預焙槽(cao)煙(yan)(yan)氣(qi)(qi)使用干(gan)法凈(jing)化技術(shu),也就是(shi)用引(yin)風機負(fu)壓進行電(dian)(dian)解(jie)煙(yan)(yan)氣(qi)(qi)的(de)(de)收集,而(er)由于氧化鋁對氟(fu)化氫會產生吸附作用,這(zhe)(zhe)是(shi)在反應裝置中完成,利用可以進固分離,這(zhe)(zhe)樣讓煙(yan)(yan)氣(qi)(qi)較好凈(jing)化的(de)(de)同時,還會使得氟(fu)化氫和(he)粉(fen)塵去除。這(zhe)(zhe)種技術(shu)當前也較為(wei)成熟,并對大型的(de)(de)電(dian)(dian)解(jie)槽(cao)煙(yan)(yan)氣(qi)(qi)凈(jing)化系統也能(neng)夠(gou)使其運行,并達到(dao)排放標(biao)準和(he)要求。

鋁廠煙(yan)(yan)氣(qi)(qi)凈(jing)化(hua)(hua)系(xi)(xi)統(tong)(tong)的(de)特點:鋁電解煙(yan)(yan)氣(qi)(qi)干法凈(jing)化(hua)(hua)系(xi)(xi)統(tong)(tong)與一(yi)般的(de)除塵(chen)方(fang)法相比,具有(you)的(de)難度及其(qi)特性(xing),具體體現如下,煙(yan)(yan)氣(qi)(qi)量大(da)(da),煙(yan)(yan)氣(qi)(qi)含(han)塵(chen)濃(nong)度高(20-60g/m3);氧化(hua)(hua)鋁的(de)琢磨性(xing)強,粒(li)徑大(da)(da),其(qi)中大(da)(da)于20?m的(de)占(zhan)60%以上;煙(yan)(yan)氣(qi)(qi)處(chu)理溫度較高,一(yi)般要(yao)求處(chu)理溫度120℃;煙(yan)(yan)氣(qi)(qi)危害性(xing)大(da)(da),氟(fu)化(hua)(hua)氫對人體和周圍(wei)環境(jing)都有(you)相當大(da)(da)的(de)危害性(xing);氧化(hua)(hua)鋁粉塵(chen)是生產原料(liao),市場價4000多(duo)元每噸;要(yao)求排(pai)放濃(nong)度低,要(yao)小于10mg/m3.

鋁(lv)廠(chang)電(dian)解(jie)煙(yan)氣凈(jing)化(hua)(hua)工(gong)藝流(liu)程,鋁(lv)電(dian)解(jie)槽煙(yan)氣干(gan)法(fa)凈(jing)化(hua)(hua)工(gong)藝采用(yong)生產原料(liao)氧(yang)化(hua)(hua)鋁(lv)作為吸(xi)附劑(ji),吸(xi)附煙(yan)氣中的(de)(de)氟(fu)化(hua)(hua)氫等物質,吸(xi)附后的(de)(de)氧(yang)化(hua)(hua)鋁(lv)返回到(dao)生產工(gong)藝中,直接(jie)回收氟(fu),是具有(you)綜(zong)合(he)利用(yong)的(de)(de)凈(jing)化(hua)(hua)工(gong)藝。干(gan)法(fa)凈(jing)化(hua)(hua)工(gong)藝具有(you)流(liu)程短,凈(jing)化(hua)(hua),電(dian)能消耗低,運行,無(wu)二次污染(ran),操作管理方便(bian)的(de)(de)特點,能的(de)(de)解(jie)決鋁(lv)電(dian)解(jie)槽的(de)(de)煙(yan)氣污染(ran)題(ti)。

電解(jie)鋁(lv)廠除塵器采用煙氣(qi)(qi)干法凈化(hua)(hua)措施,采用氧化(hua)(hua)鋁(lv)吸附(fu)煙氣(qi)(qi)中(zhong)的(de)(de)氟化(hua)(hua)氫,凈化(hua)(hua)煙氣(qi)(qi)中(zhong)的(de)(de)物(wu),達到環保排放標(biao)準,減少對周圍環境及(ji)居(ju)民的(de)(de)污染(ran),氟化(hua)(hua)氫排放量可(ke)控制(zhi)在(zai)1kg/t鋁(lv)以下,可(ke)見,鋁(lv)電解(jie)槽的(de)(de)煙氣(qi)(qi)治理在(zai)鋁(lv)廠中(zhong)顯得至關重要。

鋁(lv)廠是一款環保(bao)除塵器,由(you)于鋁(lv)灰粉塵屬(shu)于重(zhong)金屬(shu)物質,如果不處(chu)理,對工作人員的身體健(jian)康將帶來嚴重(zhong)危害,同時也會(hui)影響車(che)間的生產環境。而且鋁(lv)灰具有較高的經濟(ji)價值(zhi),如果將其(qi)收集后可以重(zhong)新利用。

 

 

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