轉爐(lu)二次煙(yan)(yan)(yan)(yan)(yan)塵(chen)主要是氧(yang)化(hua)鐵、石墨(mo)等有害物等,產(chan)生于兌鐵水、加廢鋼(gang)、加散(san)狀料(liao)、出鋼(gang)、出渣等工序中,特(te)點是煙(yan)(yan)(yan)(yan)(yan)氣(qi)(qi)量大、塵(chen)源(yuan)分散(san),嚴重污染車間內部(bu)和(he)廠(chang)區大氣(qi)(qi)。轉爐(lu)二次除塵(chen)器采用(yong)干法(fa)除塵(chen)工藝(yi),除塵(chen)流程含煙(yan)(yan)(yan)(yan)(yan)塵(chen)氣(qi)(qi)體→轉爐(lu)二次煙(yan)(yan)(yan)(yan)(yan)氣(qi)(qi)排煙(yan)(yan)(yan)(yan)(yan)罩分爐(lu)前排煙(yan)(yan)(yan)(yan)(yan)罩和(he)爐(lu)后排煙(yan)(yan)(yan)(yan)(yan)罩→除塵(chen)管道→布袋除塵(chen)器→除塵(chen)風機→消聲器→煙(yan)(yan)(yan)(yan)(yan)囪→大氣(qi)(qi)。