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瓊中黎族苗族自治縣濾筒除塵器
瓊中黎族苗族自治縣濾筒除塵器

瓊中黎族苗族自治縣濾筒除塵器

  • 所屬分類:瓊中(zhong)黎族(zu)苗族(zu)自治縣(xian)集塵系(xi)統(tong)
  • 發布日期:2019-05-07
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濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器以濾(lv)(lv)筒(tong)(tong)(tong)(tong)作為(wei)過濾(lv)(lv)元件(jian)所組成或采(cai)用脈沖噴(pen)吹的除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器。 濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器按安(an)裝(zhuang)方式(shi)分,可以分為(wei)斜插式(shi),側裝(zhuang)式(shi),吊裝(zhuang)式(shi),上(shang)裝(zhuang)式(shi)。 濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器按濾(lv)(lv)筒(tong)(tong)(tong)(tong)材料分,可以分為(wei)長纖維聚酯濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器,復合纖維濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器,防靜電濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器,阻燃濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器,覆膜濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器,納米濾(lv)(lv)筒(tong)(tong)(tong)(tong)除(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器等。

濾(lv)筒式除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器早在20世紀70年代就已經在日本(ben)和(he)歐美(mei)一(yi)些國家(jia)出現,具(ju)有體積(ji)(ji)小,效率高(gao),投資(zi)省,易維護(hu)等(deng)優點(dian),但因(yin)其設(she)備(bei)容量(liang)小,難(nan)組(zu)合成(cheng)大(da)(da)風(feng)量(liang)設(she)備(bei),過(guo)濾(lv)風(feng)速(su)偏低(di),應(ying)用范(fan)圍窄,僅在糧食、焊接等(deng)行業應(ying)用,所以(yi)多年來未能(neng)大(da)(da)量(liang)推(tui)廣。近年來,隨著新(xin)技術、新(xin)材料不(bu)斷地發(fa)展,以(yi)日本(ben),美(mei)國的(de)(de)公司為(wei)代表,對除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器的(de)(de)結構和(he)濾(lv)料進行了改進,使得(de)濾(lv)筒除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器廣泛地應(ying)用于(yu)水泥、鋼鐵、電力、食品、冶金、化工(gong)等(deng)工(gong)業領域,整體容量(liang)增加數(shu)倍,成(cheng)為(wei)過(guo)濾(lv)面積(ji)(ji)>2000m2大(da)(da)型(xing)除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(GB6719-86類),是(shi)解決傳統除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器對超細粉塵(chen)(chen)(chen)(chen)收(shou)集難(nan)、過(guo)濾(lv)風(feng)速(su)高(gao)、清灰效果差、濾(lv)袋易磨(mo)損破漏、運行成(cheng)本(ben)高(gao)的(de)(de)上好方案(an),和(he)市場上現有各(ge)種袋式、靜電除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器相(xiang)比具(ju)有有效過(guo)濾(lv)面積(ji)(ji)大(da)(da)、壓差低(di)、低(di)排放、體積(ji)(ji)小、使用壽(shou)命(ming)長等(deng)特點(dian),成(cheng)為(wei)工(gong)業除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器發(fa)展的(de)(de)新(xin)方向。

濾(lv)筒(tong)式除塵(chen)器(qi)的結構(gou)是由進風管、排風管、箱(xiang)體、灰(hui)(hui)斗、清灰(hui)(hui)裝置(zhi)、導(dao)流裝置(zhi)、氣流分流分布板、濾(lv)筒(tong)及電控裝置(zhi)組成,類似氣箱(xiang)脈沖(chong)袋除塵(chen)結構(gou)。

濾筒在(zai)(zai)除塵(chen)器中的布置很重(zhong)要(yao),既可(ke)以垂直布置在(zai)(zai)箱體花板(ban)上,也(ye)可(ke)以傾斜布置 在(zai)(zai)花板(ban)上,從清(qing)灰效(xiao)果(guo)看(kan),垂直布置較為合理。花板(ban)下部為過濾室(shi),上部為氣箱脈沖室(shi)。在(zai)(zai)除塵(chen)器入(ru)口處裝有氣流分(fen)布板(ban)。

含塵氣(qi)(qi)體進入(ru)除塵器灰(hui)斗后(hou),由(you)于氣(qi)(qi)流斷面(mian)突然擴(kuo)大(da)及氣(qi)(qi)流分布板作(zuo)用(yong),氣(qi)(qi)流中一部分粗大(da)顆粒在(zai)(zai)動和慣(guan)性力作(zuo)用(yong)下沉(chen)降(jiang)在(zai)(zai)灰(hui)斗;粒度細、密度小的塵粒進入(ru)濾塵室(shi)后(hou),通過布朗擴(kuo)散和篩濾等組(zu)合效應(ying),使粉塵沉(chen)積在(zai)(zai)濾料表面(mian)上,凈(jing)化后(hou)的氣(qi)(qi)體進入(ru)凈(jing)氣(qi)(qi)室(shi)由(you)排(pai)氣(qi)(qi)管經風機排(pai)出。

濾筒式(shi)除塵(chen)(chen)(chen)器的(de)阻力隨濾料(liao)表面粉(fen)(fen)塵(chen)(chen)(chen)層(ceng)厚度的(de)增加而增大。阻力達到(dao)某一(yi)規定值(zhi)時進行(xing)清(qing)灰(hui)。此(ci)時PLC程序控(kong)制脈(mo)(mo)沖閥(fa)(fa)的(de)啟閉(bi)(bi),首先(xian)一(yi)分(fen)室提(ti)升(sheng)閥(fa)(fa)關閉(bi)(bi),將過濾氣流截斷,然后電磁脈(mo)(mo)沖閥(fa)(fa)開(kai)(kai)啟,壓縮空氣以(yi)及短的(de)時間(jian)在上(shang)箱(xiang)體(ti)內(nei)(nei)迅速(su)膨脹(zhang),涌入濾筒,使濾筒膨脹(zhang)變形產生(sheng)振動,并在逆向(xiang)氣流沖刷(shua)的(de)作(zuo)用下,附著在濾袋外表面上(shang)的(de)粉(fen)(fen)塵(chen)(chen)(chen)被剝離落入灰(hui)斗中。清(qing)灰(hui)完畢后,電磁脈(mo)(mo)沖閥(fa)(fa)關閉(bi)(bi),提(ti)升(sheng)閥(fa)(fa)打開(kai)(kai),該室又恢復過濾狀態。清(qing)灰(hui)各室依次進行(xing),從一(yi)室清(qing)灰(hui)開(kai)(kai)始(shi)至(zhi)下一(yi)次清(qing)灰(hui)開(kai)(kai)始(shi)為(wei)一(yi)個清(qing)灰(hui)周期。脫落的(de)粉(fen)(fen)塵(chen)(chen)(chen)掉入灰(hui)斗內(nei)(nei)通過缷灰(hui)閥(fa)(fa)排出。

在此(ci)過(guo)程(cheng)中(zhong)必須定期對濾(lv)筒進行更(geng)換和(he)清洗,以確保過(guo)濾(lv)效果和(he)精度,因為(wei)在過(guo)濾(lv)過(guo)程(cheng)中(zhong)粉塵除了(le)被阻(zu)隔外還有部分會沉(chen)積于濾(lv)料表(biao)面,增(zeng)大阻(zu)力,所(suo)以一般(ban)的正確更(geng)換時(shi)間(jian)是三至五(wu)個月(yue)!


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