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南陽濾筒除塵器
南陽濾筒除塵器

南陽濾筒除塵器

  • 所屬分類:南陽集塵(chen)系統
  • 發布日期:2019-05-07
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濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器以(yi)濾(lv)(lv)筒(tong)(tong)(tong)作為過濾(lv)(lv)元(yuan)件所組(zu)成(cheng)或采用脈沖噴吹的除(chu)(chu)(chu)(chu)塵(chen)(chen)器。 濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器按安裝(zhuang)方式(shi)分,可以(yi)分為斜插式(shi),側裝(zhuang)式(shi),吊(diao)裝(zhuang)式(shi),上裝(zhuang)式(shi)。 濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器按濾(lv)(lv)筒(tong)(tong)(tong)材料分,可以(yi)分為長纖(xian)維聚酯濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器,復合纖(xian)維濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器,防靜(jing)電(dian)濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器,阻燃濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器,覆膜濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器,納米(mi)濾(lv)(lv)筒(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)器等。

濾筒式(shi)除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)早在20世(shi)紀70年(nian)代(dai)(dai)就已經在日本和(he)歐美一些(xie)國家出現,具有(you)(you)體(ti)積(ji)小,效率高,投資(zi)省,易維護等(deng)優點(dian)(dian),但(dan)因其設(she)備容量小,難組合成大風(feng)量設(she)備,過(guo)(guo)濾風(feng)速偏(pian)低(di),應用(yong)范圍窄(zhai),僅(jin)在糧食、焊接等(deng)行業應用(yong),所以(yi)多(duo)年(nian)來未能大量推廣。近年(nian)來,隨著新(xin)(xin)技術、新(xin)(xin)材料(liao)不斷地發展(zhan),以(yi)日本,美國的(de)(de)公(gong)司為(wei)代(dai)(dai)表,對除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)的(de)(de)結構和(he)濾料(liao)進(jin)行了改進(jin),使(shi)得濾筒除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)廣泛地應用(yong)于水泥、鋼鐵、電力、食品、冶金、化工(gong)(gong)等(deng)工(gong)(gong)業領域(yu),整體(ti)容量增加數倍,成為(wei)過(guo)(guo)濾面積(ji)>2000m2大型除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)(GB6719-86類),是解決(jue)傳統除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)對超細粉塵(chen)(chen)(chen)(chen)收集難、過(guo)(guo)濾風(feng)速高、清灰效果差、濾袋易磨(mo)損破(po)漏(lou)、運(yun)行成本高的(de)(de)上(shang)好方案,和(he)市(shi)場上(shang)現有(you)(you)各種(zhong)袋式(shi)、靜電除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)相比具有(you)(you)有(you)(you)效過(guo)(guo)濾面積(ji)大、壓差低(di)、低(di)排放、體(ti)積(ji)小、使(shi)用(yong)壽(shou)命長等(deng)特點(dian)(dian),成為(wei)工(gong)(gong)業除(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)發展(zhan)的(de)(de)新(xin)(xin)方向。

濾筒式除塵(chen)器的結構是由進(jin)風(feng)管、排風(feng)管、箱體、灰(hui)斗、清灰(hui)裝置、導流(liu)裝置、氣流(liu)分(fen)流(liu)分(fen)布板、濾筒及電控裝置組成,類似(si)氣箱脈沖袋除塵(chen)結構。

濾筒在除塵(chen)器(qi)中的布(bu)置(zhi)很(hen)重要,既可(ke)(ke)以垂直(zhi)布(bu)置(zhi)在箱(xiang)(xiang)體(ti)花(hua)板上,也可(ke)(ke)以傾斜布(bu)置(zhi) 在花(hua)板上,從清灰效果看,垂直(zhi)布(bu)置(zhi)較為合(he)理(li)。花(hua)板下(xia)部為過濾室,上部為氣(qi)箱(xiang)(xiang)脈(mo)沖室。在除塵(chen)器(qi)入口處裝有氣(qi)流分布(bu)板。

含塵氣(qi)(qi)體進(jin)入(ru)除塵器灰(hui)斗后(hou),由(you)于氣(qi)(qi)流斷(duan)面突(tu)然擴大及氣(qi)(qi)流分(fen)布板(ban)作用,氣(qi)(qi)流中一(yi)部分(fen)粗大顆粒(li)在動和(he)慣(guan)性(xing)力作用下(xia)沉(chen)(chen)降在灰(hui)斗;粒(li)度(du)細、密(mi)度(du)小的塵粒(li)進(jin)入(ru)濾(lv)塵室后(hou),通過布朗擴散(san)和(he)篩濾(lv)等組合效(xiao)應,使粉塵沉(chen)(chen)積在濾(lv)料表面上(shang),凈(jing)化后(hou)的氣(qi)(qi)體進(jin)入(ru)凈(jing)氣(qi)(qi)室由(you)排(pai)(pai)氣(qi)(qi)管經風(feng)機(ji)排(pai)(pai)出。

濾(lv)筒式(shi)除塵(chen)器的阻力隨濾(lv)料表面粉塵(chen)層厚(hou)度的增(zeng)加(jia)而增(zeng)大。阻力達到(dao)某一規定值時(shi)進行清(qing)灰(hui)。此時(shi)PLC程序控制脈沖(chong)(chong)(chong)閥(fa)(fa)的啟(qi)閉(bi),首(shou)先一分(fen)室提升閥(fa)(fa)關閉(bi),將過濾(lv)氣流截(jie)斷,然(ran)后(hou)電磁脈沖(chong)(chong)(chong)閥(fa)(fa)開(kai)啟(qi),壓縮空氣以及短的時(shi)間在(zai)上箱體(ti)內(nei)迅速膨脹,涌入(ru)濾(lv)筒,使(shi)濾(lv)筒膨脹變形產生振動,并在(zai)逆向氣流沖(chong)(chong)(chong)刷的作用下,附著在(zai)濾(lv)袋外表面上的粉塵(chen)被剝(bo)離落入(ru)灰(hui)斗中。清(qing)灰(hui)完畢后(hou),電磁脈沖(chong)(chong)(chong)閥(fa)(fa)關閉(bi),提升閥(fa)(fa)打開(kai),該室又(you)恢復過濾(lv)狀態。清(qing)灰(hui)各室依次進行,從(cong)一室清(qing)灰(hui)開(kai)始(shi)至下一次清(qing)灰(hui)開(kai)始(shi)為一個清(qing)灰(hui)周(zhou)期。脫落的粉塵(chen)掉(diao)入(ru)灰(hui)斗內(nei)通(tong)過缷灰(hui)閥(fa)(fa)排出(chu)。

在(zai)此過(guo)程中(zhong)必須(xu)定期對濾(lv)筒進行更換(huan)和清洗,以(yi)確(que)(que)保過(guo)濾(lv)效果和精度(du),因為在(zai)過(guo)濾(lv)過(guo)程中(zhong)粉塵除了(le)被阻隔外還(huan)有部(bu)分會沉積于濾(lv)料表面,增大阻力(li),所以(yi)一般(ban)的(de)正確(que)(que)更換(huan)時間是三至五(wu)個月(yue)!

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