大型沖天爐脫硫除塵器設備
大(da)型(xing)沖天爐脫硫除塵器(qi)設備(bei)采用(yong)(yong)PLC全自動(dong)化控制，分室(shi)反吹，定時(shi)清(qing)灰(hui)，具有體積(ji)小，組合形式(shi)靈活(huo)，具有互換(huan)性，濾(lv)袋使用(yong)(yong)壽命長，運轉維修(xiu)費用(yong)(yong)低，更換(huan)布袋方(fang)便，清(qing)灰(hui)機構(gou)運行可靠，清(qing)灰(hui)效果(guo)優良等優點。
沖(chong)天(tian)爐(lu)(lu)熔化廢(fei)鐵(tie)廢(fei)鋼為鐵(tie)水(shui)加(jia)工(gong)(gong)鑄造鑄件，在熔化鐵(tie)水(shui)工(gong)(gong)序中(zhong)(zhong)，沖(chong)天(tian)爐(lu)(lu)使(shi)用焦炭作為燃料，焦炭的(de)含量為：固定碳82～87%，含S0.41%，灰份8～12%。沖(chong)天(tian)爐(lu)(lu)運行(xing)過程中(zhong)(zhong)產生了煙(yan)(yan)氣(qi)(qi)，其主要成分是SO2，需經(jing)過治理(li)達標后方能排放。沖(chong)天(tian)爐(lu)(lu)廢(fei)氣(qi)(qi)與鍋爐(lu)(lu)煙(yan)(yan)氣(qi)(qi)類似，污染物均為煙(yan)(yan)塵(chen)和二氧化硫，處(chu)理(li)工(gong)(gong)藝(yi)按鍋爐(lu)(lu)煙(yan)(yan)氣(qi)(qi)的(de)處(chu)理(li)工(gong)(gong)藝(yi)進行(xing)選(xuan)擇。由于煙(yan)(yan)塵(chen)濃度較高(gao)，先經(jing)過沖(chong)天(tian)爐(lu)(lu)除塵(chen)器系(xi)統進行(xing)一級除塵(chen)后再進行(xing)脫(tuo)硫處(chu)理(li)。
沖天(tian)(tian)(tian)爐(lu)脫硫(liu)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器、沖天(tian)(tian)(tian)爐(lu)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器工作原理(li)：沖天(tian)(tian)(tian)爐(lu)生產中出來的高(gao)溫(wen)(wen)(wen)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)首先進(jin)入冷卻(que)(que)器，是高(gao)溫(wen)(wen)(wen)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)得到第一次(ci)冷卻(que)(que)，溫(wen)(wen)(wen)度可下(xia)(xia)降到150~160℃，同(tong)時一部分粗(cu)顆粒在(zai)氣(qi)(qi)(qi)(qi)體(ti)擴張(zhang)、流速減慢和旋風(feng)的作用下(xia)(xia)沉降下(xia)(xia)來；然后含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)進(jin)入多管水(shui)冷卻(que)(que)器，煙(yan)氣(qi)(qi)(qi)(qi)得到進(jin)一步冷卻(que)(que)，溫(wen)(wen)(wen)度下(xia)(xia)降到100℃以下(xia)(xia)，含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)再進(jin)入袋式除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器（袋式除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器宜選用氣(qi)(qi)(qi)(qi)箱脈(mo)沖袋式除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器，它集分室反(fan)吹(chui)和脈(mo)沖噴(pen)吹(chui)等除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)設備的特點，增(zeng)強了使用適應性(xing)，可廣泛應用于冶金(jin)、鑄造、水(shui)泥和制(zhi)藥(yao)、化工等行業的環保除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)，其(qi)煙(yan)塵(chen)(chen)(chen)(chen)(chen)(chen)排放濃度≤50mg/Nm3，除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)效率可達99%以上）徹底除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)；經(jing)凈化后的氣(qi)(qi)(qi)(qi)體(ti)經(jing)風(feng)機抽至排氣(qi)(qi)(qi)(qi)筒(tong)排除(chu)(chu)(chu)(chu)。
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