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脈衝袋式除塵器是利用纖維介質過濾含塵氣體的一種最古老的收塵裝置之一。自1868 年德國人Beth申shen請qing袋dai式shi除chu塵chen器qi的de專zhuan利li以yi來lai,至zhi今jin己ji有you一yi個ge多duo世shi紀ji的de曆li史shi了le。在zai這zhe一yi百bai多duo年nian的de曆li程cheng中zhong,脈mai衝chong袋dai式shi除chu塵chen器qi收shou塵chen技ji術shu發fa展zhan迅xun速su,現xian代dai化hua的de袋dai式shi除chu塵chen器qi與yu百bai餘yu年nian前qian原yuan始shi的de脈mai衝chong袋dai式shi除chu塵chen器qi相xiang比bi,真zhen有you天tian淵yuan之zhi別bie。而er且qie袋dai式shi除chu塵chen器qi的de應ying用yong越yue來lai越yue廣guang泛fan,幾ji乎hu遍bian及各個工業部門。其主要原因除袋式除塵器的構造簡單外,還具有以下的優點:
(1)脈衝袋式除塵器收塵效率高。即使捕集0.5μm的細微粉塵,也有很高的收塵效率。隻要脈衝袋式除塵器濾袋材質良好,收塵效率幾乎可達100%。
(2)脈衝袋式除塵器運行穩定、適應性強,很少受到處理風量、氣體和粉塵性質以及生產設備工作不均衡的影響。
(3)脈衝袋式除塵器能捕集靜電除塵器難以捕集的粉塵。
(4)脈衝袋式除塵器操作技術比較簡單。
zhengshiyinweibudaishichuchenqiyoushangshuxianzhudeyoudian,jihubeisuoyoudegongyebumendouzuoweizhuyaodeshouchensheshi。yishuinigongyeweili,shuinichangwulunshiganfashengchanhaishishifashengchan,quanchangdeshouchenxitongjuedabufendoucaiyongdaishichuchenqi。maichongdaishichuchenqizhanyoulvgaoda80%。隨sui著zhe脈mai衝chong袋dai式shi除chu塵chen器qi技ji術shu的de進jin步bu,特te別bie是shi新xin型xing除chu塵chen布bu袋dai的de湧yong現xian,使shi脈mai衝chong袋dai式shi除chu塵chen器qi的de應ying用yong範fan圍wei更geng為wei廣guang泛fan,如ru水shui泥ni廠chang的de烘hong幹gan機ji和he熟shu料liao筐kuang式shi冷leng卻que機ji采cai用yong袋dai式shi除chu塵chen器qi進jin行xing收shou塵chen,一yi直zhi被bei視shi為wei禁jin區qu,現xian在zai這zhe一yi禁jin區qu也ye被bei打da破po,而er且qie有you應ying用yong日ri益yi增zeng多duo的de趨qu勢shi。這zhe主zhu要yao是shi因yin為wei袋dai式shi除chu塵chen器qi具ju有you結jie構gou簡jian單dan、操作維護比較容易和造價低廉等優點,特別是用於處理風量較小的揚塵點的場合,其優點更為顯著。
但(dan)是(shi)脈(mai)衝(chong)袋(dai)式(shi)除(chu)塵(chen)器(qi)的(de)缺(que)點(dian)也(ye)十(shi)分(fen)明(ming)顯(xian),尤(you)其(qi)是(shi)除(chu)塵(chen)濾(lv)袋(dai)受(shou)氣(qi)體(ti)溫(wen)度(du)的(de)製(zhi)約(yue),溫(wen)度(du)過(guo)高(gao)容(rong)易(yi)燒(shao)袋(dai),溫(wen)度(du)過(guo)低(di)容(rong)易(yi)冷(leng)凝(ning)結(jie)露(lu)而(er)糊(hu)袋(dai),這(zhe)就(jiu)是(shi)靜(jing)電(dian)除(chu)塵(chen)器(qi)盡(jin)管(guan)受(shou)粉(fen)塵(chen)比(bi)電(dian)阻(zu)的(de)製(zhi)約(yue),而(er)窯(yao)尾(wei)收(shou)塵(chen)仍(reng)大(da)量(liang)被(bei)采(cai)用(yong)的(de)根(gen)本(ben)原(yuan)因(yin)。
danshisuizheguojiapaifangbiaozhunderiyiyange,naigaowendexinxinglvliaochuchenbudaibuduanyongxianheguanlidaxingdaishichuchenqijingyandejilei,xinxingganfashengchanxianyaoweideshouchenxitongcaiyongdaishichuchenqichengxianchuriyizengduodequshi。youyumaichongqinghuidaishichuchenqibenshenjuyoudetedian,muqianzhububeishuinichangdexuduochenyuandiansuocaiyong。
如ru窯yao尾wei的de收shou塵chen係xi統tong以yi往wang多duo采cai用yong靜jing電dian除chu塵chen器qi或huo反fan吹chui風feng清qing灰hui的de大da型xing玻bo纖xian袋dai式shi除chu塵chen器qi,隨sui著zhe低di壓ya脈mai衝chong技ji術shu的de發fa展zhan,情qing況kuang己ji有you很hen大da的de變bian化hua,現xian在zai低di壓ya脈mai衝chong式shi袋dai式shi除chu塵chen器qi己ji成cheng功gong應ying用yong於yu大da型xing新xin型xing幹gan法fa生sheng產chan線xian窯yao尾wei的de收shou塵chen係xi統tong,低di壓ya脈mai衝chong除chu塵chen技ji術shu還hai在zai不bu斷duan地di進jin步bu,相xiang信xin今jin後hou采cai用yong布bu袋dai式shi除chu塵chen器qi的de範fan圍wei將jiang愈yu來lai愈yu廣guang泛fan。
