除塵濾袋的選擇

　　選用濾料應注意以下3點.①化學纖維優于玻璃纖維,膨化玻璃纖維優于一般玻璃纖維,細,短,卷曲型纖維優于粗,長,光滑性纖維.②氈料中宜用針刺方式加強纖維之間的交絡性,織物中以緞紋織物優,織物表面的拉絨也是提高的措施,但是氈料,緞紋織物和起絨濾料會增加阻力值.③對于普通濾料表面涂覆,壓光等后處理也可提高.對于玻璃纖維濾料,硅油,石墨,聚四氟乙烯樹脂處理可以,耐折性.但是覆膜濾料用于磨損性強的工況時,膜會過早地磨壞,失去覆膜作用.
　　布袋除(chu)(chu)塵器(qi)(qi)(qi)的(de)(de)(de)清(qing)(qing)(qing)灰(hui)方(fang)式(shi)是(shi)選擇濾料結構(gou)品(pin)種(zhong)的(de)(de)(de)另(ling)一(yi)個重要因(yin)(yin)素,不(bu)同(tong)清(qing)(qing)(qing)灰(hui)方(fang)式(shi)的(de)(de)(de)袋式(shi)除(chu)(chu)塵器(qi)(qi)(qi)因(yin)(yin)清(qing)(qing)(qing)灰(hui)能(neng)量(liang),濾袋形變特性(xing)的(de)(de)(de)不(bu)同(tong),宜選用(yong)不(bu)同(tong)的(de)(de)(de)結構(gou)品(pin)種(zhong)濾料.機(ji)械(xie)振動(dong)(dong)類袋式(shi)除(chu)(chu)塵器(qi)(qi)(qi)是(shi)利用(yong)機(ji)械(xie)裝置(包括手動(dong)(dong),電磁(ci)振動(dong)(dong),氣動(dong)(dong))使濾袋產生(sheng)振動(dong)(dong)而清(qing)(qing)(qing)灰(hui)的(de)(de)(de)袋式(shi)除(chu)(chu)塵器(qi)(qi)(qi),布袋除(chu)(chu)塵器(qi)(qi)(qi)的(de)(de)(de)特點是(shi)施加于粉塵層的(de)(de)(de)動(dong)(dong)能(neng)較少(shao)而次數(shu)較多.宜選用(yong)由化纖緞紋或斜紋織物,厚(hou)度0.3~0.7mm,單位面(mian)積質量(liang)300~350g/m.,過(guo)濾速(su)度0.6~1.0m/min