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布袋除塵器,除塵器設備,除塵布袋,廢氣處理設備,脈沖除塵器_河北四明環(huán)保設備有限公司
行業(yè)動(dòng)態(tài)

脈沖布袋除塵器選型

2019-10-22 09:35:09
動(dòng)態(tài)詳情

布袋長(cháng)短檢驗比例通??偭康?/span>10%。若布袋除塵器布袋和骨架的下方縫隙超過(guò)了50mm的話(huà),說(shuō)明布袋除塵器布袋過(guò)長(cháng)需要換。如果檢驗過(guò)的布袋中有超出10%的太長(cháng),則需全檢。怎么選擇脈沖布袋除塵器,應根據含塵氣體的溫度、含水份量、酸、堿性質(zhì)、粉塵的粘度、濃度和磨啄性等高低、大小來(lái)考慮。一般在含水量較小,無(wú)酸性時(shí)根據含塵氣體溫度來(lái)選用,常溫或≤130C時(shí),常用500550g/m2的滌綸針刺氈。<250C時(shí),選用芳綸諾梅克斯針刺氈或800g/m2玻纖針刺氈或800g/m2緯雙重玻纖織物或氟美斯[FMS]高溫濾料(含氟氣體不能用玻纖材質(zhì))。當含水份量較大,粉塵濃度又較大時(shí),宜選用、濾料(或稱(chēng)抗結露濾料)或覆膜濾料(基布應是經(jīng)過(guò)處理的針刺氈)。當含塵氣體含酸、堿性且氣體溫度≤190C,常選用萊通(Ryton聚苯硫醚)針刺氈。氣體溫度≤240C,性要求不太高時(shí),選用P84(聚酰亞胺)針刺氈。當含塵氣體為易燃易爆氣體時(shí),選用絳綸針刺氈,當含塵氣體既有的水份又為易燃易爆氣體時(shí),選用(三防)絳綸針刺氈。

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