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包頭大風量旋風除塵器
包頭大風量旋風除塵器

包頭大風量旋風除塵器

  • 所屬分類:包頭集塵系統
  • 發布日期:2019-05-07
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旋風除(chu)(chu)(chu)塵(chen)(chen)器是除(chu)(chu)(chu)塵(chen)(chen)裝置的(de)一類。除(chu)(chu)(chu)塵(chen)(chen)機(ji)理是使(shi)含塵(chen)(chen)氣流(liu)作旋轉(zhuan)運(yun)動,借(jie)助于(yu)離(li)(li)心(xin)力(li)(li)將塵(chen)(chen)粒從氣流(liu)中分離(li)(li)并捕(bu)集于(yu)器壁(bi),再借(jie)助重力(li)(li)作用(yong)使(shi)塵(chen)(chen)粒落入灰斗(dou)。旋風除(chu)(chu)(chu)塵(chen)(chen)器的(de)各個部件都有一定的(de)尺寸(cun)比例,每(mei)一個比例關系的(de)變動,都能影響旋風除(chu)(chu)(chu)塵(chen)(chen)器的(de)效(xiao)率和壓(ya)力(li)(li)損失,其中除(chu)(chu)(chu)塵(chen)(chen)器直(zhi)徑(jing)(jing)、進氣口尺寸(cun)、排(pai)氣管直(zhi)徑(jing)(jing)為主要影響因素。在使(shi)用(yong)時(shi)應注意,當超(chao)過某一界(jie)限時(shi),有利(li)(li)(li)因素也能轉(zhuan)化為不利(li)(li)(li)因素。另外,有的(de)因素對于(yu)提高除(chu)(chu)(chu)塵(chen)(chen)效(xiao)率有利(li)(li)(li),但卻會增(zeng)加壓(ya)力(li)(li)損失,因而對各因素的(de)調(diao)整必須(xu)兼顧。、

旋風除塵(chen)器(qi)于1885年開(kai)始使用(yong),已發展成(cheng)為多種形(xing)式(shi)。按氣流進入(ru)方式(shi),可(ke)分為切向進入(ru)式(shi)和軸向進入(ru)式(shi)兩類。在相同(tong)壓力(li)損失下(xia),后者能處理的氣體約為前(qian)者的3倍,且氣流分布均勻。

旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)是(shi)由進氣(qi)管(guan)(guan)、排氣(qi)管(guan)(guan)、圓(yuan)筒體、圓(yuan)錐(zhui)體和灰斗組(zu)成(cheng)。旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)結構簡(jian)單,易(yi)于(yu)制造、安(an)裝(zhuang)和維(wei)(wei)護(hu)管(guan)(guan)理,設備投(tou)資和操作(zuo)費用(yong)(yong)(yong)(yong)都較(jiao)(jiao)低,已廣泛用(yong)(yong)(yong)(yong)于(yu)從(cong)氣(qi)流中(zhong)分離固體和液體粒子,或從(cong)液體中(zhong)分離固體粒子。在普(pu)通操作(zuo)條件下,作(zuo)用(yong)(yong)(yong)(yong)于(yu)粒子上的(de)(de)(de)離心力是(shi)重力的(de)(de)(de)5~2500倍,所以旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)的(de)(de)(de)效(xiao)率顯著(zhu)高(gao)于(yu)重力沉降室。利用(yong)(yong)(yong)(yong)這一(yi)個原(yuan)理基礎成(cheng)功研(yan)究出了一(yi)款除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)效(xiao)率為百分之九十以上的(de)(de)(de)旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)裝(zhuang)置(zhi)。在機械(xie)式除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)中(zhong),旋風(feng)式除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)是(shi)效(xiao)率較(jiao)(jiao)高(gao)的(de)(de)(de)一(yi)種(zhong)。它(ta)(ta)適用(yong)(yong)(yong)(yong)于(yu)非黏性(xing)及非纖維(wei)(wei)性(xing)粉(fen)塵(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)去(qu)除(chu)(chu)(chu)(chu)(chu),大多(duo)(duo)用(yong)(yong)(yong)(yong)來去(qu)除(chu)(chu)(chu)(chu)(chu)5μm以上的(de)(de)(de)粒子,并聯的(de)(de)(de)多(duo)(duo)管(guan)(guan)旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)裝(zhuang)置(zhi)對3μm的(de)(de)(de)粒子也具有80~85%的(de)(de)(de)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)效(xiao)率。選(xuan)用(yong)(yong)(yong)(yong)耐高(gao)溫(wen)、耐磨蝕(shi)和腐蝕(shi)的(de)(de)(de)特種(zhong)金屬或陶瓷材料構造的(de)(de)(de)旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),可在溫(wen)度高(gao)達1000℃,壓力達500×105Pa的(de)(de)(de)條件下操作(zuo)。從(cong)技術、經濟諸方(fang)面(mian)考慮(lv)旋風(feng)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)壓力損失控制范圍一(yi)般為500~2000Pa。因(yin)此,它(ta)(ta)屬于(yu)中(zhong)效(xiao)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),且可用(yong)(yong)(yong)(yong)于(yu)高(gao)溫(wen)煙(yan)氣(qi)的(de)(de)(de)凈化,是(shi)應用(yong)(yong)(yong)(yong)廣泛的(de)(de)(de)一(yi)種(zhong)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),多(duo)(duo)應用(yong)(yong)(yong)(yong)于(yu)鍋爐煙(yan)氣(qi)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)、多(duo)(duo)級除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)及預除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)。它(ta)(ta)的(de)(de)(de)主要缺點是(shi)對細小塵(chen)(chen)(chen)(chen)(chen)粒(<5μm)的(de)(de)(de)去(qu)除(chu)(chu)(chu)(chu)(chu)效(xiao)率較(jiao)(jiao)低。


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