發布者:吉奧機械
發布日(ri)期:2020年12月14日(ri)布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)中(zhong)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)風(feng)(feng)(feng)速(su)的(de)(de)選擇要綜合(he)煙氣(qi)特點,粉塵(chen)(chen)(chen)(chen)(chen)(chen)性質,進口(kou)(kou)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)濃(nong)度(du)(du)(du),濾(lv)(lv)料種類,清(qing)灰(hui)方法,工作(zuo)(zuo)條件等因素來決(jue)定(ding)一般(ban)而言,處(chu)(chu)理(li)較細或難于捕集(ji)的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)(chen),含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)體(ti)(ti)溫度(du)(du)(du)高(gao)(gao)(gao),布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)濃(nong)度(du)(du)(du)大和(he)煙氣(qi)含(han)濕(shi)量(liang)大時宜取(qu)較低(di)的(de)(de)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)速(su)度(du)(du)(du)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)風(feng)(feng)(feng)速(su)是反映布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)處(chu)(chu)理(li)氣(qi)體(ti)(ti)能力(li)的(de)(de)重要技術經濟指標,它(ta)對布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)的(de)(de)工作(zuo)(zuo)和(he)性能都有很大影響在(zai)處(chu)(chu)理(li)風(feng)(feng)(feng)量(liang)不變的(de)(de)前(qian)提下,布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)提高(gao)(gao)(gao)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)速(su)度(du)(du)(du)可節(jie)省(sheng)濾(lv)(lv)料(即節(jie)省(sheng)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)面積),提高(gao)(gao)(gao)了過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)料的(de)(de)處(chu)(chu)理(li)能力(li)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)風(feng)(feng)(feng)速(su)高(gao)(gao)(gao)還會導致(zhi)濾(lv)(lv)料上(shang)迅速(su)形成粉塵(chen)(chen)(chen)(chen)(chen)(chen)層,引起過(guo)(guo)(guo)(guo)(guo)(guo)于頻(pin)繁(fan)的(de)(de)清(qing)灰(hui),增加清(qing)灰(hui)能耗,縮短布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)布(bu)(bu)(bu)袋(dai)的(de)(de)使用(yong)壽(shou)命但(dan)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)速(su)度(du)(du)(du)提高(gao)(gao)(gao)后設(she)備阻力(li)增加,能耗增大,運行(xing)費用(yong)提高(gao)(gao)(gao),布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)現時過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)速(su)度(du)(du)(du)過(guo)(guo)(guo)(guo)(guo)(guo)高(gao)(gao)(gao)會把積聚在(zai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)布(bu)(bu)(bu)袋(dai)上(shang)的(de)(de)粉塵(chen)(chen)(chen)(chen)(chen)(chen)層壓實(shi),使布(bu)(bu)(bu)袋(dai)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)阻力(li)增加由于除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)布(bu)(bu)(bu)袋(dai)兩側壓差大,會使微(wei)細粉塵(chen)(chen)(chen)(chen)(chen)(chen)滲(shen)入到濾(lv)(lv)料內部,甚至(zhi)透過(guo)(guo)(guo)(guo)(guo)(guo)濾(lv)(lv)料,使出口(kou)(kou)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)濃(nong)度(du)(du)(du)增加。
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