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通化濾筒除塵器
通化濾筒除塵器

通化濾筒除塵器

  • 所屬分類:通化集塵系統
  • 發布日期:2019-05-07
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濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)以濾(lv)筒(tong)(tong)(tong)(tong)作(zuo)為(wei)(wei)過濾(lv)元件(jian)所組成或(huo)采(cai)用(yong)脈沖噴吹(chui)的除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)。 濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)按安(an)裝(zhuang)方式(shi)分,可以分為(wei)(wei)斜插式(shi),側裝(zhuang)式(shi),吊(diao)裝(zhuang)式(shi),上裝(zhuang)式(shi)。 濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)按濾(lv)筒(tong)(tong)(tong)(tong)材料分,可以分為(wei)(wei)長纖維聚(ju)酯濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),復合纖維濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),防靜電濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),阻燃濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),覆膜濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),納米濾(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)等。

濾(lv)筒式(shi)除(chu)塵(chen)器(qi)(qi)早在20世紀70年代就已(yi)經在日(ri)本(ben)(ben)和(he)歐美(mei)一些國家出現,具(ju)有(you)(you)體積小(xiao),效(xiao)率高(gao),投資省,易維護(hu)等(deng)優點(dian),但因其設(she)備(bei)容(rong)量小(xiao),難(nan)組合成大風(feng)(feng)量設(she)備(bei),過(guo)濾(lv)風(feng)(feng)速偏低,應用(yong)范圍窄,僅在糧食、焊接等(deng)行業應用(yong),所以(yi)多(duo)年來未(wei)能大量推(tui)廣。近年來,隨著新技(ji)術、新材料不斷(duan)地(di)發(fa)展,以(yi)日(ri)本(ben)(ben),美(mei)國的(de)(de)公(gong)司為代表,對(dui)(dui)除(chu)塵(chen)器(qi)(qi)的(de)(de)結構和(he)濾(lv)料進行了改進,使得濾(lv)筒除(chu)塵(chen)器(qi)(qi)廣泛地(di)應用(yong)于水泥(ni)、鋼(gang)鐵(tie)、電力(li)、食品、冶金、化工等(deng)工業領域(yu),整體容(rong)量增加數倍,成為過(guo)濾(lv)面積>2000m2大型除(chu)塵(chen)器(qi)(qi)(GB6719-86類),是解(jie)決傳(chuan)統除(chu)塵(chen)器(qi)(qi)對(dui)(dui)超細粉塵(chen)收集難(nan)、過(guo)濾(lv)風(feng)(feng)速高(gao)、清灰效(xiao)果差、濾(lv)袋易磨(mo)損破漏、運行成本(ben)(ben)高(gao)的(de)(de)上(shang)好方案,和(he)市場上(shang)現有(you)(you)各種袋式(shi)、靜(jing)電除(chu)塵(chen)器(qi)(qi)相比具(ju)有(you)(you)有(you)(you)效(xiao)過(guo)濾(lv)面積大、壓差低、低排放、體積小(xiao)、使用(yong)壽命長等(deng)特(te)點(dian),成為工業除(chu)塵(chen)器(qi)(qi)發(fa)展的(de)(de)新方向。

濾筒(tong)式除塵器(qi)的(de)結構是由進(jin)風管(guan)、排風管(guan)、箱體、灰斗(dou)、清灰裝(zhuang)置(zhi)、導流裝(zhuang)置(zhi)、氣流分流分布板、濾筒(tong)及(ji)電控裝(zhuang)置(zhi)組成,類似氣箱脈沖(chong)袋除塵結構。

濾筒(tong)在除(chu)塵器中的布(bu)置很重要,既(ji)可以(yi)垂直布(bu)置在箱(xiang)體花(hua)板(ban)上(shang),也可以(yi)傾(qing)斜布(bu)置 在花(hua)板(ban)上(shang),從清灰效果看,垂直布(bu)置較(jiao)為(wei)合理(li)。花(hua)板(ban)下部為(wei)過濾室,上(shang)部為(wei)氣箱(xiang)脈(mo)沖(chong)室。在除(chu)塵器入口處(chu)裝有氣流分布(bu)板(ban)。

含塵氣(qi)(qi)體(ti)進(jin)入(ru)除塵器灰斗后,由于氣(qi)(qi)流(liu)斷面(mian)突然擴大及氣(qi)(qi)流(liu)分布板作用,氣(qi)(qi)流(liu)中一部(bu)分粗大顆(ke)粒在(zai)(zai)動和(he)慣性力作用下(xia)沉降在(zai)(zai)灰斗;粒度(du)細、密度(du)小的(de)塵粒進(jin)入(ru)濾(lv)塵室后,通過布朗(lang)擴散和(he)篩濾(lv)等組合效(xiao)應,使粉塵沉積在(zai)(zai)濾(lv)料表(biao)面(mian)上(shang),凈(jing)化后的(de)氣(qi)(qi)體(ti)進(jin)入(ru)凈(jing)氣(qi)(qi)室由排氣(qi)(qi)管(guan)經(jing)風機排出(chu)。

濾(lv)(lv)筒式除塵器(qi)的(de)(de)阻力隨濾(lv)(lv)料表面粉塵層厚度的(de)(de)增加而(er)增大(da)。阻力達到某一規(gui)定值時進行(xing)清(qing)灰(hui)(hui)(hui)。此時PLC程序控制脈沖(chong)閥的(de)(de)啟(qi)閉,首(shou)先一分室提升(sheng)(sheng)閥關閉,將過濾(lv)(lv)氣流(liu)截斷,然(ran)后電(dian)磁脈沖(chong)閥開啟(qi),壓(ya)縮空氣以及短的(de)(de)時間在(zai)上箱體內迅速膨脹,涌入濾(lv)(lv)筒,使濾(lv)(lv)筒膨脹變形產生(sheng)振動(dong),并在(zai)逆向氣流(liu)沖(chong)刷的(de)(de)作用下(xia),附著在(zai)濾(lv)(lv)袋(dai)外表面上的(de)(de)粉塵被剝(bo)離落入灰(hui)(hui)(hui)斗中。清(qing)灰(hui)(hui)(hui)完畢后,電(dian)磁脈沖(chong)閥關閉,提升(sheng)(sheng)閥打開,該室又恢復過濾(lv)(lv)狀態。清(qing)灰(hui)(hui)(hui)各室依次(ci)進行(xing),從一室清(qing)灰(hui)(hui)(hui)開始(shi)至下(xia)一次(ci)清(qing)灰(hui)(hui)(hui)開始(shi)為一個清(qing)灰(hui)(hui)(hui)周期(qi)。脫落的(de)(de)粉塵掉(diao)入灰(hui)(hui)(hui)斗內通過缷灰(hui)(hui)(hui)閥排出。

在(zai)此過程中必須定期對濾筒進行(xing)更換和(he)清洗,以確保過濾效果和(he)精(jing)度(du),因為在(zai)過濾過程中粉(fen)塵除了被阻(zu)隔外還有部分(fen)會(hui)沉積(ji)于濾料表(biao)面,增大阻(zu)力,所以一(yi)般的正確更換時間是三至五個月!

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