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鑄造廢氣處理

發布時間:2018-11-22     發布者:admin

應用領域:

廣泛應用(yong)于化(hua)工、電(dian)子(zi)、冶(ye)金、電(dian)鍍(du)、紡織(化(hua)纖)、食(shi)品、機械制造等行業過程中排放(fang)的酸、堿性廢氣的凈化(hua)處理。如調味食(shi)品、制酸、酸洗、電(dian)鍍(du)、電(dian)解、蓄(xu)電(dian)池(chi)等。

It is widely used in the purification of acid and alkaline waste gases discharged from the chemical, electronics, metallurgy, electroplating, textile (chemical fiber), food, machinery manufacturing and other industries. Such as seasoning food, acid, pickling, electroplating, electrolysis, batteries and so on.

一、鑄造廢氣(qi)的由來:
鑄造廢(fei)氣的產(chan)生主(zhu)要由于高(gao)爐原(yuan)料(liao)、燃料(liao)及(ji)輔助原(yuan)料(liao)的運輸(shu)、篩分、轉運過程(cheng)中(zhong)將產(chan)生粉塵;在高(gao)爐出鐵(tie)時將產(chan)生一些(xie)有害(hai)廢(fei)氣
二、鑄造廢氣處理(li)原(yuan)理(li):
鑄(zhu)造廢氣(qi)通過(guo)引(yin)(yin)風機(ji)抽出,由引(yin)(yin)塵罩管道進(jin)入(ru)除(chu)(chu)塵器設備再進(jin)入(ru)光(guang)催(cui)化(hua)除(chu)(chu)臭設備內,在高(gao)能紫(zi)外線照射下,使揮發性有機(ji)物(VOCs)化(hua)學(xue)鍵(jian)開(kai)環和斷裂等(deng)多種反應(光(guang)化(hua)學(xue)反應),降解轉變(bian)成CO2,H2O等(deng)低分子化(hua)合物;
三、覆膜砂鑄造過程(cheng):
融化(hua)-造型-下芯-澆(jiao)注(zhu)-后處理等(deng)工序,其中在澆(jiao)注(zhu)時產(chan)生大量水汽及樹脂,烏(wu)洛托(tuo)品,硬(ying)脂酸(suan)鈣(gai),煤粉,淀粉,孕育劑(錫(xi))金(jin)屬合(he)金(jin),在高溫1400℃-1500℃下發生化(hua)學反應分解的(de)氨氣,乙酸(suan)酯,硫化(hua)氫,無量綱等(deng)揮發性臭味。
鑄造(zao)廢氣(qi)通過引風機(ji)抽出,由(you)引塵罩管道進(jin)(jin)入除(chu)塵器(qi)設(she)備再進(jin)(jin)入光(guang)催化(hua)除(chu)臭(chou)設(she)備內(nei),在高能紫(zi)(zi)外(wai)線(xian)照射下,使揮發性有機(ji)物(wu)(wu)(VOCs)化(hua)學鍵開環(huan)和斷裂(lie)等(deng)多種反(fan)應(光(guang)化(hua)學反(fan)應),降解轉(zhuan)變成CO2,H2O等(deng)低(di)分子化(hua)合物(wu)(wu);一方面利用(yong)高能紫(zi)(zi)外(wai)光(guang)照射空氣(qi)中的(de)氧(yang)(yang)(yang)(yang)氣(qi)生(sheng)(sheng)成臭(chou)氧(yang)(yang)(yang)(yang),臭(chou)氧(yang)(yang)(yang)(yang)吸(xi)收紫(zi)(zi)外(wai)線(xian)生(sheng)(sheng)成氧(yang)(yang)(yang)(yang)自由(you)基和氧(yang)(yang)(yang)(yang)氣(qi),氧(yang)(yang)(yang)(yang)自由(you)基與(yu)空氣(qi)中的(de)水蒸氣(qi)作用(yong)生(sheng)(sheng)成羥(qian)基自由(you)基,一種更強的(de)氧(yang)(yang)(yang)(yang)化(hua)劑,與(yu)醇、醛(quan)、羧酸等(deng)有機(ji)廢氣(qi),徹底氧(yang)(yang)(yang)(yang)化(hua)為水、二(er)氧(yang)(yang)(yang)(yang)化(hua)碳(tan)等(deng)無(wu)機(ji)物(wu)(wu)。另外(wai),未吸(xi)收紫(zi)(zi)外(wai)線(xian)的(de)臭(chou)氧(yang)(yang)(yang)(yang)也是一種強氧(yang)(yang)(yang)(yang)化(hua)劑,與(yu)一些有機(ji)廢物(wu)(wu)接觸后將(jiang)其氧(yang)(yang)(yang)(yang)化(hua)生(sheng)(sheng)成水、二(er)氧(yang)(yang)(yang)(yang)化(hua)碳(tan)等(deng)無(wu)機(ji)物(wu)(wu)。

浙江鑄造廢氣處理
浙江鑄造廢氣處理

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