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菏澤濾筒除塵器
菏澤濾筒除塵器

菏澤濾筒除塵器

  • 所屬分類:菏澤(ze)集塵系(xi)統
  • 發布日期:2019-05-07
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濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi)以(yi)濾筒(tong)(tong)(tong)(tong)作為過濾元件(jian)所組成(cheng)或采(cai)用脈(mo)沖噴吹的(de)除(chu)塵(chen)(chen)器(qi)(qi)。 濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi)按安裝(zhuang)方式分(fen),可以(yi)分(fen)為斜插式,側裝(zhuang)式,吊裝(zhuang)式,上(shang)裝(zhuang)式。 濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi)按濾筒(tong)(tong)(tong)(tong)材(cai)料分(fen),可以(yi)分(fen)為長(chang)纖維聚酯濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi),復合纖維濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi),防靜電濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi),阻燃濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi),覆膜濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi),納米濾筒(tong)(tong)(tong)(tong)除(chu)塵(chen)(chen)器(qi)(qi)等(deng)。

濾(lv)筒式(shi)除(chu)塵(chen)(chen)(chen)器(qi)(qi)早在(zai)20世紀70年(nian)代(dai)就已經在(zai)日(ri)(ri)本和歐美一些國(guo)家出現,具有(you)體積(ji)(ji)小,效(xiao)率高,投資(zi)省,易維(wei)護等優點,但因(yin)其設備容量(liang)小,難組合成(cheng)大(da)風量(liang)設備,過濾(lv)風速偏(pian)低,應(ying)用(yong)范圍(wei)窄,僅在(zai)糧食、焊接(jie)等行(xing)業(ye)應(ying)用(yong),所(suo)以多(duo)年(nian)來未能(neng)大(da)量(liang)推廣。近(jin)年(nian)來,隨著新技術、新材(cai)料(liao)不斷(duan)地(di)發(fa)展,以日(ri)(ri)本,美國(guo)的(de)(de)公司為(wei)代(dai)表,對除(chu)塵(chen)(chen)(chen)器(qi)(qi)的(de)(de)結構和濾(lv)料(liao)進行(xing)了改進,使得濾(lv)筒除(chu)塵(chen)(chen)(chen)器(qi)(qi)廣泛地(di)應(ying)用(yong)于水(shui)泥、鋼(gang)鐵、電力、食品(pin)、冶金(jin)、化工(gong)等工(gong)業(ye)領域(yu),整體容量(liang)增加(jia)數倍,成(cheng)為(wei)過濾(lv)面積(ji)(ji)>2000m2大(da)型除(chu)塵(chen)(chen)(chen)器(qi)(qi)(GB6719-86類),是(shi)解(jie)決傳統除(chu)塵(chen)(chen)(chen)器(qi)(qi)對超細粉塵(chen)(chen)(chen)收集難、過濾(lv)風速高、清灰效(xiao)果(guo)差(cha)、濾(lv)袋易磨損破(po)漏、運行(xing)成(cheng)本高的(de)(de)上好(hao)方(fang)案,和市場上現有(you)各(ge)種(zhong)袋式(shi)、靜電除(chu)塵(chen)(chen)(chen)器(qi)(qi)相比具有(you)有(you)效(xiao)過濾(lv)面積(ji)(ji)大(da)、壓差(cha)低、低排放、體積(ji)(ji)小、使用(yong)壽命長等特點,成(cheng)為(wei)工(gong)業(ye)除(chu)塵(chen)(chen)(chen)器(qi)(qi)發(fa)展的(de)(de)新方(fang)向。

濾筒式除(chu)塵(chen)器的結構是由進風管、排(pai)風管、箱體、灰(hui)斗、清灰(hui)裝(zhuang)置(zhi)、導流(liu)裝(zhuang)置(zhi)、氣流(liu)分(fen)流(liu)分(fen)布板、濾筒及電控裝(zhuang)置(zhi)組成,類似氣箱脈沖袋除(chu)塵(chen)結構。

濾筒在除塵器(qi)中的布(bu)置(zhi)很重要(yao),既(ji)可以垂(chui)直布(bu)置(zhi)在箱體花(hua)板上(shang),也可以傾斜(xie)布(bu)置(zhi) 在花(hua)板上(shang),從清灰效果看,垂(chui)直布(bu)置(zhi)較為合理。花(hua)板下部(bu)(bu)為過濾室,上(shang)部(bu)(bu)為氣箱脈沖室。在除塵器(qi)入口(kou)處裝有(you)氣流分(fen)布(bu)板。

含塵(chen)氣(qi)體進(jin)(jin)入(ru)除塵(chen)器(qi)灰斗(dou)后,由(you)于氣(qi)流(liu)斷面(mian)突然(ran)擴(kuo)大(da)及(ji)氣(qi)流(liu)分布板作(zuo)用,氣(qi)流(liu)中一部(bu)分粗大(da)顆粒(li)在動(dong)和慣(guan)性力作(zuo)用下沉(chen)降在灰斗(dou);粒(li)度細、密度小的塵(chen)粒(li)進(jin)(jin)入(ru)濾塵(chen)室后,通過布朗擴(kuo)散和篩濾等組(zu)合效應,使粉塵(chen)沉(chen)積(ji)在濾料表面(mian)上,凈化后的氣(qi)體進(jin)(jin)入(ru)凈氣(qi)室由(you)排氣(qi)管經(jing)風機排出。

濾(lv)(lv)筒(tong)式除塵(chen)器(qi)的(de)阻(zu)力(li)隨濾(lv)(lv)料(liao)表面粉(fen)塵(chen)層厚度的(de)增(zeng)加而(er)增(zeng)大。阻(zu)力(li)達(da)到某一(yi)規定值(zhi)時(shi)進行清(qing)灰(hui)(hui)(hui)。此(ci)時(shi)PLC程(cheng)序控制脈沖(chong)閥的(de)啟(qi)閉,首先一(yi)分(fen)室(shi)提升(sheng)閥關(guan)(guan)閉,將過(guo)濾(lv)(lv)氣流截斷,然后電(dian)磁脈沖(chong)閥開啟(qi),壓縮(suo)空氣以及短的(de)時(shi)間(jian)在(zai)上(shang)箱體內迅速膨脹(zhang)(zhang),涌入濾(lv)(lv)筒(tong),使濾(lv)(lv)筒(tong)膨脹(zhang)(zhang)變(bian)形產生振動,并在(zai)逆向氣流沖(chong)刷的(de)作用(yong)下(xia),附(fu)著在(zai)濾(lv)(lv)袋外表面上(shang)的(de)粉(fen)塵(chen)被剝離落(luo)入灰(hui)(hui)(hui)斗(dou)中。清(qing)灰(hui)(hui)(hui)完(wan)畢后,電(dian)磁脈沖(chong)閥關(guan)(guan)閉,提升(sheng)閥打開,該(gai)室(shi)又(you)恢復過(guo)濾(lv)(lv)狀態。清(qing)灰(hui)(hui)(hui)各室(shi)依次進行,從一(yi)室(shi)清(qing)灰(hui)(hui)(hui)開始至下(xia)一(yi)次清(qing)灰(hui)(hui)(hui)開始為一(yi)個清(qing)灰(hui)(hui)(hui)周期。脫落(luo)的(de)粉(fen)塵(chen)掉入灰(hui)(hui)(hui)斗(dou)內通過(guo)缷灰(hui)(hui)(hui)閥排出(chu)。

在此過(guo)程中(zhong)必須定期對濾筒進行更換(huan)(huan)和(he)清洗,以確(que)保(bao)過(guo)濾效果和(he)精(jing)度(du),因為在過(guo)濾過(guo)程中(zhong)粉塵除了被阻(zu)隔外還有部(bu)分(fen)會沉積于濾料表面(mian),增大阻(zu)力(li),所以一般的正確(que)更換(huan)(huan)時(shi)間是三至五個月(yue)!

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