九州脈沖布袋除塵器管道風速如何選擇

布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)怎么選(xuan)(xuan)(xuan)，這(zhe)是(shi)安裝布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)系(xi)(xi)統(tong)(tong)時(shi)(shi)候(hou)考(kao)慮的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)問題。布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)收塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)效果好與壞，風(feng)(feng)(feng)(feng)(feng)量(liang)能(neng)(neng)不(bu)(bu)(bu)能(neng)(neng)達到設計(ji)要(yao)求跟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)直徑(jing)(jing)(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)正確選(xuan)(xuan)(xuan)擇有很大(da)(da)(da)關(guan)系(xi)(xi)。當除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)吸塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)點位分布(bu)較(jiao)多，吸塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)點距(ju)離除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)距(ju)離較(jiao)長時(shi)(shi)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)計(ji)算(suan)就非常重(zhong)(zhong)要(yao)。在(zai)確定(ding)布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)收塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)系(xi)(xi)統(tong)(tong)各管(guan)(guan)(guan)(guan)(guan)(guan)(guan)段的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)(jing)(jing)時(shi)(shi)，要(yao)考(kao)慮到除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)速(su)(su)(su)(su)(su)。所謂流(liu)速(su)(su)(su)(su)(su)，就是(shi)要(yao)防止粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)在(zai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)沉積(ji)堵塞(sai)所的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)流(liu)速(su)(su)(su)(su)(su)度(du)(du)(du)(du)(du)(du)，這(zhe)流(liu)速(su)(su)(su)(su)(su)主要(yao)取(qu)(qu)決于(yu)(yu)(yu)布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)處理(li)(li)(li)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性質(zhi)和管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)傾斜(xie)(xie)情(qing)況(kuang)。布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)系(xi)(xi)統(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)選(xuan)(xuan)(xuan)擇是(shi)否合(he)理(li)(li)(li)關(guan)系(xi)(xi)著(zhu)袋(dai)(dai)(dai)式(shi)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)能(neng)(neng)不(bu)(bu)(bu)能(neng)(neng)正常運行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵。除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)收塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)中(zhong)流(liu)速(su)(su)(su)(su)(su)不(bu)(bu)(bu)是(shi)越高(gao)越好，流(liu)速(su)(su)(su)(su)(su)過(guo)(guo)高(gao)，雖(sui)然管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)斷面可以減(jian)少，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)重(zhong)(zhong)量(liang)減(jian)輕，但(dan)會(hui)(hui)增(zeng)加除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)系(xi)(xi)統(tong)(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)網(wang)(wang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓力(li)損失(shi)，致(zhi)使除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)能(neng)(neng)耗增(zeng)加，還增(zeng)加了對管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)磨損。因(yin)此(ci)，設計(ji)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)網(wang)(wang)時(shi)(shi)要(yao)綜(zong)合(he)幾方面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)因(yin)素(su)來選(xuan)(xuan)(xuan)擇除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)速(su)(su)(su)(su)(su)。處理(li)(li)(li)高(gao)溫(wen)(wen)煙(yan)氣(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)布(bu)袋(dai)(dai)(dai)式(shi)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)網(wang)(wang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)設計(ji)：高(gao)溫(wen)(wen)氣(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓力(li)會(hui)(hui)小(xiao)一(yi)(yi)(yi)些，例如300℃時(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)阻力(li)比常溫(wen)(wen)時(shi)(shi)約減(jian)少10%。因(yin)此(ci)，當除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)輸(shu)送高(gao)溫(wen)(wen)氣(qi)(qi)體(ti)(ti)(ti)時(shi)(shi)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)可適(shi)當加大(da)(da)(da)。布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)負壓大(da)(da)(da)時(shi)(shi)，實際(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)比計(ji)算(suan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)高(gao)一(yi)(yi)(yi)些，為(wei)(wei)使除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)內(nei)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)不(bu)(bu)(bu)提高(gao)，應(ying)(ying)適(shi)當的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)增(zeng)大(da)(da)(da)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑(jing)(jing)(jing)。在(zai)布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)機選(xuan)(xuan)(xuan)型(xing)中(zhong)也應(ying)(ying)充分重(zhong)(zhong)視這(zhe)一(yi)(yi)(yi)個問題。處理(li)(li)(li)高(gao)溫(wen)(wen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)與處理(li)(li)(li)常溫(wen)(wen)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)速(su)(su)(su)(su)(su)有所不(bu)(bu)(bu)同(tong)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)內(nei)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)與集灰情(qing)況(kuang)也會(hui)(hui)有密(mi)切的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)系(xi)(xi)。傾斜(xie)(xie)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)會(hui)(hui)因(yin)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)由于(yu)(yu)(yu)重(zhong)(zhong)力(li)作(zuo)用(yong)(yong)在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)向(xiang)下滑動，粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)不(bu)(bu)(bu)易沉積(ji)，一(yi)(yi)(yi)般可以選(xuan)(xuan)(xuan)用(yong)(yong)小(xiao)于(yu)(yu)(yu)18m/s的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)，輸(shu)送煤(mei)粉的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)制備系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)含(han)煤(mei)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)，除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)可適(shi)當取(qu)(qu)大(da)(da)(da)一(yi)(yi)(yi)些，可取(qu)(qu)20-22m/s的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)，垂直除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)因(yin)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)在(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)部是(shi)垂直下落的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)低也不(bu)(bu)(bu)會(hui)(hui)堵塞(sai)了管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)，所以風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)可以取(qu)(qu)小(xiao)于(yu)(yu)(yu)15m/s的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)，所有行(xing)業的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)都應(ying)(ying)盡量(liang)避免(mian)采(cai)用(yong)(yong)水平的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)，實在(zai)無(wu)法(fa)避免(mian)時(shi)(shi)，風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)應(ying)(ying)取(qu)(qu)值(zhi)稍大(da)(da)(da)一(yi)(yi)(yi)些，一(yi)(yi)(yi)般除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)不(bu)(bu)(bu)小(xiao)于(yu)(yu)(yu)18m/s。布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)是(shi)指含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)通過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)平均速(su)(su)(su)(su)(su)度(du)(du)(du)(du)(du)(du)。在(zai)確定(ding)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面積(ji)之(zhi)前，確定(ding)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)。Vs=Q/60A式(shi)中(zhong)，Vs為(wei)(wei)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)，m3/min；Q為(wei)(wei)含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)氣(qi)(qi)體(ti)(ti)(ti)流(liu)量(liang)，m3/min，A為(wei)(wei)濾(lv)(lv)(lv)(lv)(lv)袋(dai)(dai)(dai)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面積(ji)，m2。過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)是(shi)布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)選(xuan)(xuan)(xuan)型(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)關(guan)鍵因(yin)素(su)，過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)決定(ding)布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)規格(ge)大(da)(da)(da)小(xiao)，除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)規格(ge)大(da)(da)(da)小(xiao)又和排(pai)放濃(nong)度(du)(du)(du)(du)(du)(du)密(mi)切相關(guan)，應(ying)(ying)根據煙(yan)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)或粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)性質(zhi)、應(ying)(ying)用(yong)(yong)場合(he)、粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)粒(li)度(du)(du)(du)(du)(du)(du)、粘(zhan)度(du)(du)(du)(du)(du)(du)、氣(qi)(qi)體(ti)(ti)(ti)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)、含(han)水份量(liang)、含(han)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)濃(nong)度(du)(du)(du)(du)(du)(du)及不(bu)(bu)(bu)同(tong)濾(lv)(lv)(lv)(lv)(lv)料(liao)等因(yin)素(su)來確定(ding)。當粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)粒(li)度(du)(du)(du)(du)(du)(du)較(jiao)細，溫(wen)(wen)、濕度(du)(du)(du)(du)(du)(du)較(jiao)高(gao)，濃(nong)度(du)(du)(du)(du)(du)(du)大(da)(da)(da)，粘(zhan)性較(jiao)大(da)(da)(da)宜選(xuan)(xuan)(xuan)低值(zhi)。如≤1m/min；反之(zhi)可選(xuan)(xuan)(xuan)高(gao)值(zhi)，一(yi)(yi)(yi)般不(bu)(bu)(bu)宜超(chao)過(guo)(guo)1.5m/min。對于(yu)(yu)(yu)粉塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)粒(li)度(du)(du)(du)(du)(du)(du)很大(da)(da)(da)，常溫(wen)(wen)、干燥、無(wu)粘(zhan)性，且(qie)濃(nong)度(du)(du)(du)(du)(du)(du)，則可選(xuan)(xuan)(xuan)1.5～2m/min。布(bu)袋(dai)(dai)(dai)除(chu)(chu)(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)選(xuan)(xuan)(xuan)用(yong)(yong)時(shi)(shi)，應(ying)(ying)計(ji)算(suan)在(zai)減(jian)少一(yi)(yi)(yi)室（清灰時(shi)(shi)）過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)面積(ji)時(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)凈過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)風(feng)(feng)(feng)(feng)(feng)速(su)(su)(su)(su)(su)不(bu)(bu)(bu)宜超(chao)過(guo)(guo)上(shang)述(shu)數值(zhi)。