隨著科技的發展，除塵器已被廣泛運用，今天有廠家為大家詳細介紹關于它的選用有哪些。

　　首先我們先來了解一下什么是脈沖式除塵器，脈沖布袋除塵器[1]是通過脈沖清灰方式清灰的布袋除塵器,脈沖布袋除塵器的清灰系統由脈沖閥,噴吹管,貯氣包和脈沖控制儀等幾部分組成,分室除塵器另外加有氣缸.脈沖閥一端連接壓縮空氣包,另一端連接噴吹管,脈沖閥背壓室接控制閥,脈沖控制儀控制著控制閥及脈沖閥的開啟。

　　除塵(chen)器的(de)選用(yong)

　　過(guo)濾材料(liao)(liao)應(ying)根(gen)據含(han)(han)(han)塵(chen)氣(qi)體(ti)(ti)(ti)的(de)(de)溫(wen)度(du)、含(han)(han)(han)水(shui)(shui)份(fen)(fen)量、酸(suan)、堿性質、粉(fen)塵(chen)的(de)(de)粘度(du)、濃度(du)和磨啄性等高(gao)低、大小(xiao)(xiao)來考慮。一般在含(han)(han)(han)水(shui)(shui)量較(jiao)小(xiao)(xiao)，無酸(suan)性時(shi)根(gen)據含(han)(han)(han)塵(chen)氣(qi)體(ti)(ti)(ti)溫(wen)度(du)來選(xuan)用(yong)，常溫(wen)或≤130°C時(shi)，常用(yong)500～550g/m2的(de)(de)滌綸(lun)針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)。<250°C時(shi)，選(xuan)用(yong)芳綸(lun)諾梅克斯針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)或800g/m2玻纖(xian)針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)或800g/m2緯雙重玻纖(xian)織物或氟美斯［FMS］高(gao)溫(wen)濾料(liao)(liao)（含(han)(han)(han)氟氣(qi)體(ti)(ti)(ti)不能用(yong)玻纖(xian)材質）。當(dang)含(han)(han)(han)水(shui)(shui)份(fen)(fen)量較(jiao)大，粉(fen)塵(chen)濃度(du)又較(jiao)大時(shi)，宜選(xuan)用(yong)防(fang)(fang)水(shui)(shui)、防(fang)(fang)油(you)濾料(liao)(liao)（或稱抗結露濾料(liao)(liao)）或覆膜濾料(liao)(liao)（基布應(ying)是(shi)經(jing)過(guo)防(fang)(fang)水(shui)(shui)處理的(de)(de)針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)）。當(dang)含(han)(han)(han)塵(chen)氣(qi)體(ti)(ti)(ti)含(han)(han)(han)酸(suan)、堿性且氣(qi)體(ti)(ti)(ti)溫(wen)度(du)≤190°C，常選(xuan)用(yong)萊通（Ryton聚苯硫醚）針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)。氣(qi)體(ti)(ti)(ti)溫(wen)度(du)≤240°C，耐酸(suan)堿性要求不太(tai)高(gao)時(shi)，選(xuan)用(yong)P84（聚酰亞胺）針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)。當(dang)含(han)(han)(han)塵(chen)氣(qi)體(ti)(ti)(ti)為易(yi)燃易(yi)爆(bao)氣(qi)體(ti)(ti)(ti)時(shi)，選(xuan)用(yong)防(fang)(fang)靜電(dian)絳(jiang)綸(lun)針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)，當(dang)含(han)(han)(han)塵(chen)氣(qi)體(ti)(ti)(ti)既(ji)有一定的(de)(de)水(shui)(shui)份(fen)(fen)又為易(yi)燃易(yi)爆(bao)氣(qi)體(ti)(ti)(ti)時(shi)，選(xuan)用(yong)防(fang)(fang)水(shui)(shui)防(fang)(fang)油(you)防(fang)(fang)靜電(dian)（三防(fang)(fang)）絳(jiang)綸(lun)針(zhen)(zhen)刺(ci)(ci)(ci)(ci)氈(zhan)。

　　控(kong)制(zhi)(zhi)儀(yi),長袋脈沖(chong)除塵器清(qing)(qing)灰(hui)控(kong)制(zhi)(zhi)采用(yong)PLC微電腦程控(kong)儀(yi)，分定(ding)(ding)(ding)壓(自(zi)動(dong)(dong))、定(ding)(ding)(ding)時(shi)(自(zi)動(dong)(dong))，手(shou)(shou)動(dong)(dong)三種控(kong)制(zhi)(zhi)方(fang)式。定(ding)(ding)(ding)壓控(kong)制(zhi)(zhi)：按設(she)定(ding)(ding)(ding)壓差進行控(kong)制(zhi)(zhi)，除塵器壓差超過設(she)定(ding)(ding)(ding)值，各(ge)室自(zi)動(dong)(dong)依(yi)次清(qing)(qing)灰(hui)一遍(bian)。定(ding)(ding)(ding)時(shi)控(kong)制(zhi)(zhi)：按設(she)定(ding)(ding)(ding)時(shi)間，每(mei)隔一個(ge)清(qing)(qing)灰(hui)周期，各(ge)室依(yi)次清(qing)(qing)灰(hui)一遍(bian)。手(shou)(shou)動(dong)(dong)控(kong)制(zhi)(zhi)：在現場(chang)操作柜上可(ke)手(shou)(shou)動(dong)(dong)控(kong)制(zhi)(zhi)依(yi)次各(ge)室自(zi)動(dong)(dong)清(qing)(qing)灰(hui)一遍(bian)，也可(ke)對每(mei)個(ge)室單獨清(qing)(qing)灰(hui)。由(you)用(yong)戶選定(ding)(ding)(ding)控(kong)制(zhi)(zhi)方(fang)式，用(yong)戶無要求時(shi)，則按定(ding)(ding)(ding)時(shi)控(kong)制(zhi)(zhi)供貨(huo)。

　　過(guo)(guo)(guo)(guo)濾速(su)(su)度(du)(du)的(de)(de)選擇過(guo)(guo)(guo)(guo)濾速(su)(su)度(du)(du)是(shi)除塵(chen)器選型的(de)(de)關鍵(jian)因素，應根據(ju)煙塵(chen)或粉(fen)塵(chen)的(de)(de)性(xing)質、應用場合、粉(fen)塵(chen)粒度(du)(du)、粘(zhan)度(du)(du)、氣(qi)體溫(wen)度(du)(du)、含水份量、含塵(chen)濃度(du)(du)及不同濾料等因素來(lai)確(que)定(ding)。當(dang)粉(fen)塵(chen)粒度(du)(du)較(jiao)(jiao)細，溫(wen)、濕度(du)(du)較(jiao)(jiao)高，濃度(du)(du)大(da)，粘(zhan)性(xing)較(jiao)(jiao)大(da)宜選低(di)值。如≤1m/min；反之可(ke)選高值，一(yi)般不宜超(chao)過(guo)(guo)(guo)(guo)1.5m/min。對于粉(fen)塵(chen)粒度(du)(du)很大(da)，常溫(wen)、干燥、無(wu)粘(zhan)性(xing)，且濃度(du)(du)極低(di)，則(ze)可(ke)選1.5～2m/min。過(guo)(guo)(guo)(guo)濾速(su)(su)度(du)(du)選用時(shi)(shi)，應計算在減少一(yi)室（清(qing)灰時(shi)(shi)）過(guo)(guo)(guo)(guo)濾面積(ji)時(shi)(shi)的(de)(de)凈過(guo)(guo)(guo)(guo)濾風速(su)(su)不宜超(chao)過(guo)(guo)(guo)(guo)上述(shu)數值。