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除塵器生產廠家骨架其工作原理是什么
對含纖維量大的粉塵其除塵器骨架除塵機理和所用除塵器與一般粉塵有所不同,紡織行業的除塵器的工作原理有兩種,即過濾機理和離心分離機理。除塵器按除塵機理分為兩大類。
過濾除(chu)塵(chen)的(de)機(ji)理(li)是(shi)篩濾效應(ying)、擴散沉降、直接截留、慣性碰(peng)撞以及靜電吸附(fu)等短程(cheng)捕(bu)集(ji)機(ji)理(li)的(de)綜合作用。當含塵(chen)空(kong)氣通過網格(ge)、織(zhi)物、非(fei)織(zhi)造布、泡沫塑料等濾料時,粉(fen)塵(chen)在濾料內部或表面形成的(de)粉(fen)塵(chen)層,以及粉(fen)上層所形成的(de)過濾層的(de)捕(bu)集(ji),使其從氣流(liu)中分離(li)掉。
(1)塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)過(guo)(guo)(guo)濾(lv)(lv)(lv)塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)是(shi)由(you)金(jin)屬網格圍(wei)成(cheng)的(de)圓筒,圓筒兩端開口與風(feng)道相通(tong)。塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)利(li)用(yong)風(feng)機產生的(de)氣(qi)流壓力把含塵(chen)(chen)(chen)(chen)空(kong)氣(qi)壓向塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)表面,大部分(fen)短絨(rong)及雜質被阻留在塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)表面。形(xing)成(cheng)過(guo)(guo)(guo)濾(lv)(lv)(lv)纖網層,同(tong)時(shi)透過(guo)(guo)(guo)塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)的(de)含塵(chen)(chen)(chen)(chen)空(kong)氣(qi)經塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)兩側通(tong)道進(jin)入二級過(guo)(guo)(guo)濾(lv)(lv)(lv)裝(zhuang)置。預(yu)分(fen)離器可以(yi)看作是(shi)塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)過(guo)(guo)(guo)濾(lv)(lv)(lv)的(de)一種。塵(chen)(chen)(chen)(chen)籠(long)(long)(long)(long)過(guo)(guo)(guo)濾(lv)(lv)(lv)的(de)長處是(shi)輔助設備較(jiao)少,治理簡樸方便,過(guo)(guo)(guo)濾(lv)(lv)(lv)下來的(de)棉(mian)筵(yan),回(hui)用(yong)率較(jiao)高,一般和其他過(guo)(guo)(guo)濾(lv)(lv)(lv)方式組裝(zhuang)成(cheng)濾(lv)(lv)(lv)塵(chen)(chen)(chen)(chen)設備。缺點是(shi)處理風(feng)量不大,占地(di)面積相對較(jiao)大,耗電(dian)較(jiao)多(duo)。
(2)濾袋過濾濾袋(稱除塵(chen)布(bu)袋)是由單(dan)層織物圍成的柱狀體,通常為圓形(xing),其(qi)特點(dian)是結構簡樸,便于清灰。當含塵(chen)空(kong)氣經過濾袋時,借助于篩分、碰撞、攔截等作(zuo)用將粉塵(chen)從氣流中分離掉(diao)。
(3)填(tian)充式(shi)過(guo)(guo)濾(lv)(lv)床(chuang)(chuang)過(guo)(guo)濾(lv)(lv)填(tian)充式(shi)過(guo)(guo)濾(lv)(lv)床(chuang)(chuang)就是在網孔滾筒、平板(ban)等(deng)部(bu)件上(shang)包(bao)覆泡沫塑料、非織造布、長毛絨等(deng)多孔性過(guo)(guo)濾(lv)(lv)材(cai)料。除(chu)塵器(qi)骨架(jia)借(jie)助于其良好的表面過(guo)(guo)濾(lv)(lv)和內部(bu)過(guo)(guo)濾(lv)(lv)作(zuo)用,將(jiang)粉塵從氣流中分離掉,填(tian)充式(shi)過(guo)(guo)濾(lv)(lv)床(chuang)(chuang)過(guo)(guo)濾(lv)(lv)的長處是過(guo)(guo)濾(lv)(lv)風量大,阻(zu)力(li)較低,濾(lv)(lv)塵。
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