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陵水黎族自治縣濾筒除塵器
陵水黎族自治縣濾筒除塵器

陵水黎族自治縣濾筒除塵器

  • 所屬分類:陵水黎族(zu)自治(zhi)縣(xian)集塵系(xi)統
  • 發布日期:2019-05-07
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濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi)以濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)作為(wei)過濾(lv)(lv)(lv)(lv)(lv)元件(jian)所組成或(huo)采用脈(mo)沖噴吹的(de)除(chu)塵(chen)器(qi)(qi)(qi)(qi)。 濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi)按安裝方式分(fen),可(ke)以分(fen)為(wei)斜插式,側(ce)裝式,吊裝式,上裝式。 濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi)按濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)材(cai)料分(fen),可(ke)以分(fen)為(wei)長纖(xian)維(wei)聚酯濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi),復合(he)纖(xian)維(wei)濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi),防靜電濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi),阻燃(ran)濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi),覆膜濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi),納米濾(lv)(lv)(lv)(lv)(lv)筒(tong)(tong)除(chu)塵(chen)器(qi)(qi)(qi)(qi)等(deng)。

濾(lv)(lv)筒式除(chu)塵(chen)(chen)(chen)器(qi)早(zao)在20世紀70年(nian)代就已經在日本和(he)歐美一些國(guo)家出現,具(ju)有(you)(you)體積(ji)(ji)小(xiao),效(xiao)率高,投資省,易維護(hu)等(deng)優點,但因其設備容(rong)量(liang)小(xiao),難組合(he)成(cheng)大(da)風(feng)(feng)量(liang)設備,過(guo)濾(lv)(lv)風(feng)(feng)速(su)偏(pian)低,應(ying)用(yong)(yong)范(fan)圍窄,僅在糧食(shi)、焊接等(deng)行(xing)業(ye)應(ying)用(yong)(yong),所以多年(nian)來(lai)未(wei)能(neng)大(da)量(liang)推廣。近(jin)年(nian)來(lai),隨著新技術、新材料不斷地(di)發展(zhan),以日本,美國(guo)的(de)(de)公司(si)為代表,對除(chu)塵(chen)(chen)(chen)器(qi)的(de)(de)結(jie)構和(he)濾(lv)(lv)料進行(xing)了改進,使(shi)得濾(lv)(lv)筒除(chu)塵(chen)(chen)(chen)器(qi)廣泛地(di)應(ying)用(yong)(yong)于水泥、鋼鐵、電力、食(shi)品、冶金、化工等(deng)工業(ye)領域(yu),整(zheng)體容(rong)量(liang)增加數(shu)倍,成(cheng)為過(guo)濾(lv)(lv)面積(ji)(ji)>2000m2大(da)型除(chu)塵(chen)(chen)(chen)器(qi)(GB6719-86類(lei)),是解(jie)決傳統除(chu)塵(chen)(chen)(chen)器(qi)對超(chao)細粉塵(chen)(chen)(chen)收集(ji)難、過(guo)濾(lv)(lv)風(feng)(feng)速(su)高、清灰效(xiao)果差(cha)、濾(lv)(lv)袋易磨損(sun)破(po)漏、運(yun)行(xing)成(cheng)本高的(de)(de)上(shang)好方(fang)案,和(he)市場(chang)上(shang)現有(you)(you)各種袋式、靜電除(chu)塵(chen)(chen)(chen)器(qi)相比具(ju)有(you)(you)有(you)(you)效(xiao)過(guo)濾(lv)(lv)面積(ji)(ji)大(da)、壓差(cha)低、低排放、體積(ji)(ji)小(xiao)、使(shi)用(yong)(yong)壽(shou)命(ming)長(chang)等(deng)特點,成(cheng)為工業(ye)除(chu)塵(chen)(chen)(chen)器(qi)發展(zhan)的(de)(de)新方(fang)向。

濾(lv)筒式(shi)除塵器的結構是由進風(feng)管、排風(feng)管、箱體、灰(hui)斗、清灰(hui)裝(zhuang)置、導流(liu)(liu)裝(zhuang)置、氣流(liu)(liu)分(fen)流(liu)(liu)分(fen)布(bu)板、濾(lv)筒及電控裝(zhuang)置組成(cheng),類似氣箱脈(mo)沖袋除塵結構。

濾筒在(zai)除(chu)塵(chen)器中的布(bu)置(zhi)很重要,既可以垂直(zhi)布(bu)置(zhi)在(zai)箱體(ti)花板(ban)(ban)上(shang)(shang),也可以傾(qing)斜布(bu)置(zhi) 在(zai)花板(ban)(ban)上(shang)(shang),從清(qing)灰(hui)效果(guo)看,垂直(zhi)布(bu)置(zhi)較為合理。花板(ban)(ban)下部為過濾室,上(shang)(shang)部為氣(qi)箱脈沖(chong)室。在(zai)除(chu)塵(chen)器入口處裝有(you)氣(qi)流分布(bu)板(ban)(ban)。

含塵(chen)氣(qi)(qi)體進入除塵(chen)器灰(hui)斗(dou)后,由(you)于氣(qi)(qi)流斷面(mian)突然擴大及氣(qi)(qi)流分(fen)布板作用,氣(qi)(qi)流中(zhong)一部分(fen)粗(cu)大顆粒在(zai)(zai)動和(he)慣性力(li)作用下(xia)沉(chen)降在(zai)(zai)灰(hui)斗(dou);粒度(du)(du)細、密度(du)(du)小的(de)塵(chen)粒進入濾塵(chen)室后,通(tong)過布朗擴散和(he)篩濾等組合(he)效應,使粉塵(chen)沉(chen)積在(zai)(zai)濾料(liao)表(biao)面(mian)上(shang),凈化(hua)后的(de)氣(qi)(qi)體進入凈氣(qi)(qi)室由(you)排氣(qi)(qi)管經風機排出(chu)。

濾(lv)(lv)(lv)(lv)筒式除塵器的阻力隨濾(lv)(lv)(lv)(lv)料表面粉(fen)(fen)塵層厚度的增加而(er)增大(da)。阻力達(da)到某(mou)一(yi)(yi)規定值時(shi)進行清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)。此時(shi)PLC程(cheng)序控制脈(mo)沖(chong)(chong)閥的啟閉,首先(xian)一(yi)(yi)分室(shi)(shi)提升(sheng)閥關閉,將過濾(lv)(lv)(lv)(lv)氣流截斷,然(ran)后電(dian)磁脈(mo)沖(chong)(chong)閥開(kai)(kai)啟,壓縮空(kong)氣以及短(duan)的時(shi)間在上箱體內迅速膨脹,涌入(ru)濾(lv)(lv)(lv)(lv)筒,使濾(lv)(lv)(lv)(lv)筒膨脹變形產生(sheng)振動,并在逆向氣流沖(chong)(chong)刷(shua)的作用下,附著在濾(lv)(lv)(lv)(lv)袋外表面上的粉(fen)(fen)塵被剝離落(luo)入(ru)灰(hui)(hui)(hui)(hui)斗中(zhong)。清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)完畢后,電(dian)磁脈(mo)沖(chong)(chong)閥關閉,提升(sheng)閥打開(kai)(kai),該室(shi)(shi)又恢復過濾(lv)(lv)(lv)(lv)狀(zhuang)態。清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)各室(shi)(shi)依(yi)次進行,從一(yi)(yi)室(shi)(shi)清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)開(kai)(kai)始至下一(yi)(yi)次清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)開(kai)(kai)始為一(yi)(yi)個(ge)清(qing)(qing)(qing)灰(hui)(hui)(hui)(hui)周期。脫落(luo)的粉(fen)(fen)塵掉入(ru)灰(hui)(hui)(hui)(hui)斗內通過缷灰(hui)(hui)(hui)(hui)閥排(pai)出。

在(zai)此過(guo)程中必須定期對(dui)濾(lv)筒進行更(geng)換和清洗,以(yi)確(que)保過(guo)濾(lv)效果和精(jing)度,因為(wei)在(zai)過(guo)濾(lv)過(guo)程中粉塵(chen)除了(le)被阻隔(ge)外還有部(bu)分會(hui)沉積于濾(lv)料表面,增大阻力,所(suo)以(yi)一般的正確(que)更(geng)換時間是三至五個月!

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