除塵(chen)(chen)(chen)(chen)器(qi)的(de)工(gong)(gong)作好壞(huai)，不僅(jin)直接影(ying)響到除塵(chen)(chen)(chen)(chen)系(xi)統的(de)可靠運(yun)行(xing)(xing)，還(huan)關系(xi)到生產(chan)(chan)系(xi)統的(de)正(zheng)常運(yun)行(xing)(xing)、車間廠區和(he)周邊居民的(de)環境衛(wei)生、風(feng)機葉片的(de)磨損和(he)壽命，同時還(huan)涉及有經濟價(jia)值物(wu)料的(de)回收利(li)用(yong)(yong)問題。因(yin)此，必須(xu)正(zheng)確地設計、選(xuan)擇(ze)與使用(yong)(yong)除塵(chen)(chen)(chen)(chen)器(qi)。選(xuan)擇(ze)除塵(chen)(chen)(chen)(chen)器(qi)時必須(xu)全(quan)面考(kao)慮一(yi)次投(tou)資和(he)運(yun)行(xing)(xing)費用(yong)(yong)，如除塵(chen)(chen)(chen)(chen)效(xiao)率(lv)、壓力(li)損失、可靠性(xing)(xing)、一(yi)次投(tou)資、占地面積、維(wei)修管理等因(yin)素，根據煙(yan)塵(chen)(chen)(chen)(chen)的(de)理化性(xing)(xing)質、特點和(he)生產(chan)(chan)工(gong)(gong)藝的(de)要求，針(zhen)對性(xing)(xing)地選(xuan)擇(ze)除塵(chen)(chen)(chen)(chen)器(qi)。

1.根(gen)據除塵(chen)效率的要(yao)求(qiu)

所選(xuan)除塵器必(bi)須滿足排放標準的要求。

不(bu)(bu)同的(de)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)具有不(bu)(bu)同的(de)除(chu)塵(chen)(chen)(chen)(chen)效(xiao)率。對于(yu)運行(xing)狀況不(bu)(bu)穩定或波(bo)動較大的(de)除(chu)塵(chen)(chen)(chen)(chen)系(xi)統，要(yao)注(zhu)意煙(yan)氣處理量變化對除(chu)塵(chen)(chen)(chen)(chen)效(xiao)率的(de)影響。正(zheng)常運行(xing)時，除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)效(xiao)率高(gao)低排(pai)序是：袋式除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)、電除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)及(ji)文丘里除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)、水膜旋風除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)、旋風除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)、慣(guan)性除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)、重力除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)

2.根據氣(qi)體(ti)性(xing)質

選(xuan)擇除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)時，必(bi)須考慮(lv)氣(qi)(qi)(qi)體的(de)(de)風(feng)(feng)(feng)量、溫度、成(cheng)分、濕度等因素。電除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)適(shi)合于大(da)風(feng)(feng)(feng)量、溫度<400℃的(de)(de)煙(yan)(yan)氣(qi)(qi)(qi)凈(jing)化(hua)；袋式(shi)除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)適(shi)合于溫度<260℃的(de)(de)煙(yan)(yan)氣(qi)(qi)(qi)凈(jing)化(hua)，不受煙(yan)(yan)氣(qi)(qi)(qi)量大(da)小的(de)(de)限制，當(dang)溫度≥260℃時，煙(yan)(yan)氣(qi)(qi)(qi)應(ying)冷卻(que)降溫后方可使用袋式(shi)除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)；袋式(shi)除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)不宜處理高(gao)濕度和(he)含油污的(de)(de)煙(yan)(yan)氣(qi)(qi)(qi)凈(jing)化(hua)；易燃易爆的(de)(de)氣(qi)(qi)(qi)體凈(jing)化(hua)（如(ru)煤氣(qi)(qi)(qi)）適(shi)合于濕式(shi)除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)；旋(xuan)風(feng)(feng)(feng)除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)的(de)(de)處理風(feng)(feng)(feng)量有限，當(dang)風(feng)(feng)(feng)量較大(da)時，可采(cai)用多臺除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)并(bing)聯的(de)(de)方式(shi)；當(dang)需要同時除(chu)(chu)(chu)塵(chen)和(he)凈(jing)化(hua)有害氣(qi)(qi)(qi)體時，可考慮(lv)采(cai)用噴淋塔(ta)和(he)旋(xuan)風(feng)(feng)(feng)水膜除(chu)(chu)(chu)塵(chen)器(qi)(qi)(qi)。< p=“”>

3.根(gen)據粉塵性質

粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)性(xing)(xing)(xing)(xing)質包括比電(dian)阻、粒(li)(li)(li)度(du)(du)、真密度(du)(du)、瓢性(xing)(xing)(xing)(xing)、憎水(shui)(shui)性(xing)(xing)(xing)(xing)和水(shui)(shui)硬(ying)性(xing)(xing)(xing)(xing)、可燃(ran)、爆炸(zha)等。比電(dian)阻過大(da)或過小的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)不(bu)宜采(cai)用(yong)(yong)電(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)，袋式(shi)(shi)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)不(bu)受粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)比電(dian)阻的(de)(de)(de)(de)(de)(de)影(ying)響；粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)(de)(de)(de)濃(nong)度(du)(du)和粒(li)(li)(li)度(du)(du)對(dui)(dui)(dui)電(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)效率(lv)的(de)(de)(de)(de)(de)(de)影(ying)響較(jiao)為(wei)顯著(zhu)，但對(dui)(dui)(dui)袋式(shi)(shi)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)影(ying)響不(bu)顯著(zhu)；當(dang)氣體的(de)(de)(de)(de)(de)(de)含塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)濃(nong)度(du)(du)較(jiao)高(gao)時，電(dian)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)前宜設(she)置(zhi)預除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)裝(zhuang)置(zhi)；袋式(shi)(shi)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)型(xing)式(shi)(shi)、清灰方式(shi)(shi)和過濾(lv)風(feng)速取決于(yu)粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)質（粒(li)(li)(li)徑、瓢性(xing)(xing)(xing)(xing)）；濕式(shi)(shi)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)不(bu)適(shi)合(he)于(yu)凈(jing)化憎水(shui)(shui)性(xing)(xing)(xing)(xing)和水(shui)(shui)硬(ying)性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)：粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)的(de)(de)(de)(de)(de)(de)真密度(du)(du)對(dui)(dui)(dui)重力(li)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)、慣性(xing)(xing)(xing)(xing)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)和旋(xuan)風(feng)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)影(ying)響顯著(zhu)；對(dui)(dui)(dui)于(yu)新(xin)附性(xing)(xing)(xing)(xing)大(da)的(de)(de)(de)(de)(de)(de)粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)，易導致除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)工作面貓結或堵塞，因此，不(bu)宜采(cai)用(yong)(yong)干法除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)；粉(fen)(fen)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)凈(jing)化遇水(shui)(shui)后，能(neng)產生可燃(ran)或有(you)爆炸(zha)危險的(de)(de)(de)(de)(de)(de)混(hun)合(he)物時，不(bu)得采(cai)用(yong)(yong)濕式(shi)(shi)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)(chen)(chen)器(qi)(qi)(qi)(qi)(qi)(qi)。

4.根(gen)據壓力(li)損失與(yu)能(neng)耗

袋式(shi)除(chu)(chu)塵器(qi)的阻(zu)力(li)(li)比電除(chu)(chu)塵器(qi)的阻(zu)力(li)(li)大(da)，但(dan)從除(chu)(chu)塵器(qi)整體能(neng)耗(hao)來(lai)對(dui)比，兩(liang)者能(neng)耗(hao)相(xiang)差不大(da)。

5.根(gen)據設備投資和運行費(fei)用

6.節(jie)水與防(fang)凍的要求

水資源缺乏的地區(qu)不適合采用(yong)濕式除塵(chen)(chen)器；北方地區(qu)存在(zai)冬季凍結的問(wen)題，盡可能不使用(yong)濕式除塵(chen)(chen)器。

7.粉塵和(he)氣體(ti)回收利用的要求

粉(fen)(fen)塵(chen)具有回收價值(zhi)時(shi)，宜采用(yong)干法(fa)除(chu)塵(chen)；當(dang)粉(fen)(fen)塵(chen)具有很高的回收價值(zhi)時(shi)，宜采用(yong)袋(dai)(dai)式除(chu)塵(chen)器(qi)；當(dang)凈(jing)化后(hou)的氣體需要回收利(li)用(yong)或凈(jing)化后(hou)的空氣需要再(zai)循環利(li)用(yong)時(shi)，宜采用(yong)高效袋(dai)(dai)式除(chu)塵(chen)器(qi)。