鍋爐布袋型除塵設備處理粉塵過程中的設計技術

  鍋爐(lu)布袋(dai)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)(de)(de)除(chu)(chu)塵(chen)(chen)(chen)(chen)速率和粉塵(chen)(chen)(chen)(chen)有很大(da)關系(xi)，粉塵(chen)(chen)(chen)(chen)性質包括比電(dian)(dian)阻、粒(li)(li)度、真密(mi)度、瓢性、憎(zeng)水性和水硬(ying)性、可燃、爆炸等。比電(dian)(dian)阻過(guo)大(da)或(huo)過(guo)小的(de)(de)(de)粉塵(chen)(chen)(chen)(chen)不(bu)(bu)宜采(cai)用電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)，袋(dai)式(shi)(shi)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)不(bu)(bu)受粉塵(chen)(chen)(chen)(chen)比電(dian)(dian)阻的(de)(de)(de)影(ying)響；粉塵(chen)(chen)(chen)(chen)的(de)(de)(de)濃(nong)度和粒(li)(li)度對電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)速率的(de)(de)(de)影(ying)響較為明顯(xian)(xian)，但對袋(dai)式(shi)(shi)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)(de)(de)影(ying)響不(bu)(bu)明顯(xian)(xian)；當(dang)氣體的(de)(de)(de)含塵(chen)(chen)(chen)(chen)濃(nong)度較高時，電(dian)(dian)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)前宜設置預除(chu)(chu)塵(chen)(chen)(chen)(chen)裝置；袋(dai)式(shi)(shi)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)(de)(de)型(xing)式(shi)(shi)、清灰方式(shi)(shi)和過(guo)濾風速取決(jue)于(yu)粉塵(chen)(chen)(chen)(chen)的(de)(de)(de)性質（粒(li)(li)徑、瓢性）；對于(yu)新附性大(da)的(de)(de)(de)粉塵(chen)(chen)(chen)(chen)，易導致除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)工作面貓結或(huo)堵塞，因此，不(bu)(bu)宜采(cai)用干法除(chu)(chu)塵(chen)(chen)(chen)(chen)；粉塵(chen)(chen)(chen)(chen)凈化遇水后，能產生可燃或(huo)有危險(xian)的(de)(de)(de)混合物時，不(bu)(bu)得采(cai)用濕式(shi)(shi)除(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)。