1)選擇風機前，應根據脈沖袋式除塵器風機輸送氣體的性質選擇不同用途的風機；

2）在風機的(de)選擇時(shi)，應優先(xian)考慮效率較(jiao)(jiao)高、型號(hao)較(jiao)(jiao)小(xiao)、調節(jie)范圍較(jiao)(jiao)大的(de)一種(zhong)；

3)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)應避免并聯(lian)或串(chuan)聯(lian)工(gong)(gong)(gong)作。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)聯(lian)合工(gong)(gong)(gong)作時(shi)，應盡可能選(xuan)擇(ze)相(xiang)同(tong)(tong)型號、相(xiang)同(tong)(tong)規格的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)并聯(lian)或串(chuan)聯(lian)工(gong)(gong)(gong)作。當采(cai)用串(chuan)聯(lian)時(shi)，級(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)與級(ji)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)之間應有(you)的(de)(de)(de)(de)(de)管道(dao)連接。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機是強制通風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)收(shou)塵(chen)系(xi)統(tong)(tong)的(de)(de)(de)(de)(de)一個(ge)組成部分。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機選(xuan)型時(shi)，要有(you)10^~15^風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)儲(chu)(chu)備和(he)15^的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓儲(chu)(chu)備。一般來(lai)說，一個(ge)生產系(xi)統(tong)(tong)選(xuan)擇(ze)一個(ge)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)。如果風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)和(he)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓不能滿足要求，則采(cai)取風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)串(chuan)聯(lian)或并聯(lian)措(cuo)施。選(xuan)擇(ze)兩(liang)個(ge)相(xiang)同(tong)(tong)的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)扇(shan)。對于串(chuan)聯(lian)系(xi)統(tong)(tong)，根據(ju)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)不變，兩(liang)臺風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓相(xiang)加〔工(gong)(gong)(gong)作條(tiao)件(jian)點的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓增(zeng)(zeng)加，但不成倍增(zeng)(zeng)加；并聯(lian)系(xi)統(tong)(tong)，根據(ju)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓不變，兩(liang)臺風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)相(xiang)加（工(gong)(gong)(gong)作條(tiao)件(jian)點的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)不成倍增(zeng)(zeng)加）。

布袋(dai)除塵器的4種形式(shi)

（1）上(shang)(shang)進(jin)(jin)(jin)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)和下進(jin)(jin)(jin)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)上(shang)(shang)進(jin)(jin)(jin)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)是指袋(dai)式(shi)(shi)(shi)(shi)除(chu)塵(chen)器除(chu)塵(chen)室上(shang)(shang)部的含(han)塵(chen)氣(qi)流(liu)入口(kou)，氣(qi)流(liu)與(yu)粒塵(chen)沉(chen)降(jiang)方向(xiang)一致(zhi)。下進(jin)(jin)(jin)氣(qi)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)是含(han)塵(chen)氣(qi)流(liu)入口(kou)位于(yu)袋(dai)室下部，氣(qi)流(liu)與(yu)顆粒粉(fen)塵(chen)沉(chen)降(jiang)方向(xiang)相反。如果外部看是下進(jin)(jin)(jin)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)，但袋(dai)室設有(you)導(dao)流(liu)板(ban)將含(han)塵(chen)氣(qi)流(liu)引(yin)入袋(dai)室上(shang)(shang)部擴散，應屬(shu)于(yu)上(shang)(shang)進(jin)(jin)(jin)風(feng)(feng)(feng)式(shi)(shi)(shi)(shi)。

（2）圓(yuan)濾式(shi)和扁(bian)濾式(shi)圓(yuan)濾式(shi)是(shi)指(zhi)除塵(chen)布袋為圓(yuan)筒形。扁(bian)濾式(shi)是(shi)指(zhi)濾袋為平板(信封)梯形、楔形和其他非圓(yuan)筒形狀。

（3）吸入式和壓入式吸入式是指風扇位于砂石除塵器后面，砂石除塵器負壓工作。壓入式是指風機位于布袋除塵器之前，砂石除塵器為正壓工作。

（4）內濾式(shi)和外(wai)濾式(shi)內濾式(shi)是指含(han)塵(chen)氣流由袋(dai)(dai)內流向袋(dai)(dai)外(wai)，利用除塵(chen)布袋(dai)(dai)內側捕(bu)集粉塵(chen)。外(wai)濾式(shi)是指含(han)塵(chen)氣流由袋(dai)(dai)外(wai)流向袋(dai)(dai)內，利用除塵(chen)布袋(dai)(dai)外(wai)側捕(bu)集粉塵(chen)。