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楚雄濾筒除塵器
楚雄濾筒除塵器

楚雄濾筒除塵器

  • 所屬分類:楚雄(xiong)集塵系統
  • 發布日期:2019-05-07
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濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)以(yi)濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)作為過(guo)濾(lv)(lv)(lv)元件所組成(cheng)或采用脈沖(chong)噴吹的除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)。 濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)按安裝(zhuang)方式(shi)分(fen),可以(yi)分(fen)為斜插式(shi),側裝(zhuang)式(shi),吊裝(zhuang)式(shi),上(shang)裝(zhuang)式(shi)。 濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)按濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)材料分(fen),可以(yi)分(fen)為長纖維(wei)聚酯濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi),復(fu)合纖維(wei)濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi),防靜電濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi),阻燃濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi),覆膜濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi),納(na)米濾(lv)(lv)(lv)筒(tong)(tong)(tong)(tong)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)等(deng)。

濾(lv)筒式除(chu)塵(chen)器(qi)(qi)(qi)早在(zai)(zai)20世紀70年(nian)(nian)代就已(yi)經在(zai)(zai)日(ri)本(ben)和(he)(he)歐美(mei)一(yi)些國家(jia)出(chu)現(xian),具有體(ti)(ti)積小(xiao),效(xiao)率(lv)高(gao),投資省,易維護等(deng)(deng)優點,但因(yin)其設備容量(liang)小(xiao),難組合成大(da)風量(liang)設備,過(guo)濾(lv)風速偏低,應用范圍窄,僅在(zai)(zai)糧食(shi)、焊接等(deng)(deng)行(xing)業(ye)應用,所以多(duo)年(nian)(nian)來(lai)未能大(da)量(liang)推廣。近年(nian)(nian)來(lai),隨著新技術、新材(cai)料(liao)不斷地(di)發展(zhan),以日(ri)本(ben),美(mei)國的公司(si)為(wei)代表(biao),對(dui)除(chu)塵(chen)器(qi)(qi)(qi)的結構和(he)(he)濾(lv)料(liao)進(jin)行(xing)了改進(jin),使得濾(lv)筒除(chu)塵(chen)器(qi)(qi)(qi)廣泛地(di)應用于水(shui)泥(ni)、鋼鐵、電(dian)力、食(shi)品、冶(ye)金、化(hua)工(gong)等(deng)(deng)工(gong)業(ye)領域,整體(ti)(ti)容量(liang)增加數倍,成為(wei)過(guo)濾(lv)面(mian)積>2000m2大(da)型除(chu)塵(chen)器(qi)(qi)(qi)(GB6719-86類),是解決傳統除(chu)塵(chen)器(qi)(qi)(qi)對(dui)超(chao)細粉塵(chen)收集難、過(guo)濾(lv)風速高(gao)、清灰效(xiao)果差、濾(lv)袋易磨損破漏、運行(xing)成本(ben)高(gao)的上好方案(an),和(he)(he)市(shi)場上現(xian)有各種袋式、靜電(dian)除(chu)塵(chen)器(qi)(qi)(qi)相比具有有效(xiao)過(guo)濾(lv)面(mian)積大(da)、壓差低、低排(pai)放、體(ti)(ti)積小(xiao)、使用壽命長等(deng)(deng)特(te)點,成為(wei)工(gong)業(ye)除(chu)塵(chen)器(qi)(qi)(qi)發展(zhan)的新方向。

濾筒式除(chu)塵器的結(jie)構是由進風管、排風管、箱體、灰(hui)斗、清灰(hui)裝(zhuang)置、導流(liu)裝(zhuang)置、氣流(liu)分流(liu)分布板、濾筒及電控裝(zhuang)置組成(cheng),類似氣箱脈沖(chong)袋除(chu)塵結(jie)構。

濾(lv)筒在(zai)除(chu)塵器中的布置很重要,既可以垂(chui)直布置在(zai)箱(xiang)體花(hua)板(ban)上,也可以傾斜布置 在(zai)花(hua)板(ban)上,從清灰效果看,垂(chui)直布置較為合理。花(hua)板(ban)下部為過濾(lv)室,上部為氣(qi)箱(xiang)脈沖室。在(zai)除(chu)塵器入(ru)口處裝有氣(qi)流分布板(ban)。

含(han)塵(chen)氣(qi)(qi)(qi)(qi)體進入除塵(chen)器灰(hui)斗后(hou),由于氣(qi)(qi)(qi)(qi)流斷面突(tu)然擴(kuo)大及(ji)氣(qi)(qi)(qi)(qi)流分布板作用,氣(qi)(qi)(qi)(qi)流中一部分粗大顆粒(li)在(zai)動和慣(guan)性力作用下(xia)沉降在(zai)灰(hui)斗;粒(li)度細、密度小的(de)塵(chen)粒(li)進入濾塵(chen)室后(hou),通過布朗擴(kuo)散和篩(shai)濾等組合(he)效應(ying),使粉塵(chen)沉積(ji)在(zai)濾料表面上(shang),凈化后(hou)的(de)氣(qi)(qi)(qi)(qi)體進入凈氣(qi)(qi)(qi)(qi)室由排氣(qi)(qi)(qi)(qi)管經(jing)風機排出。

濾(lv)筒式除塵器的阻力(li)隨濾(lv)料(liao)表面粉塵層(ceng)厚度的增(zeng)加而增(zeng)大(da)。阻力(li)達到某一(yi)(yi)規定(ding)值時進(jin)行(xing)清(qing)(qing)灰。此時PLC程(cheng)序控制脈(mo)沖閥(fa)的啟(qi)閉,首先一(yi)(yi)分室(shi)(shi)提(ti)升閥(fa)關閉,將(jiang)過濾(lv)氣(qi)流截斷,然后電磁脈(mo)沖閥(fa)開啟(qi),壓縮空氣(qi)以及短的時間在上(shang)箱體內(nei)迅速膨脹,涌(yong)入濾(lv)筒,使濾(lv)筒膨脹變形產(chan)生振動,并在逆(ni)向氣(qi)流沖刷的作用下(xia),附著在濾(lv)袋(dai)外(wai)表面上(shang)的粉塵被剝離落入灰斗(dou)中。清(qing)(qing)灰完畢后,電磁脈(mo)沖閥(fa)關閉,提(ti)升閥(fa)打開,該(gai)室(shi)(shi)又恢復(fu)過濾(lv)狀態。清(qing)(qing)灰各室(shi)(shi)依次進(jin)行(xing),從一(yi)(yi)室(shi)(shi)清(qing)(qing)灰開始至下(xia)一(yi)(yi)次清(qing)(qing)灰開始為一(yi)(yi)個(ge)清(qing)(qing)灰周(zhou)期。脫落的粉塵掉入灰斗(dou)內(nei)通過缷灰閥(fa)排出。

在此過(guo)程中(zhong)必須定期對濾(lv)筒(tong)進(jin)行更換和清洗,以(yi)確保過(guo)濾(lv)效果和精度,因為(wei)在過(guo)濾(lv)過(guo)程中(zhong)粉塵除了被阻隔外還有部分(fen)會沉積于濾(lv)料表面,增(zeng)大阻力,所以(yi)一般(ban)的(de)正(zheng)確更換時間是三至五個月(yue)!


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