脈(mo)沖除(chu)(chu)塵(chen)器(qi)是在袋式除(chu)(chu)塵(chen)器(qi)的基礎上改進(jin)的新型脈(mo)沖除(chu)(chu)塵(chen)器(qi),綜合了分(fen)室(shi)反吹(chui)各(ge)種脈(mo)沖噴吹(chui)除(chu)(chu)塵(chen)器(qi)的優點(dian)(dian),克服了分(fen)室(shi)清灰強度不夠,進(jin)出風分(fen)布不均(jun)等缺點(dian)(dian),擴(kuo)大(da)了應用(yong)范(fan)圍。
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脈沖除(chu)塵(chen)(chen)器(qi)是在袋式除(chu)塵(chen)(chen)器(qi)的(de)基礎上改(gai)進的(de)新型脈沖除(chu)塵(chen)(chen)器(qi),綜合(he)了(le)(le)分(fen)室反吹各種脈沖噴吹除(chu)塵(chen)(chen)器(qi)的(de)優(you)點(dian),克服了(le)(le)分(fen)室清灰強度不(bu)夠,進出(chu)風(feng)分(fen)布不(bu)均等缺點(dian),擴大了(le)(le)應用(yong)范圍。
脈(mo)沖除(chu)塵(chen)(chen)器(qi)是當含塵(chen)(chen)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)由進(jin)風(feng)口進(jin)入(ru)(ru)除(chu)塵(chen)(chen)器(qi),首先碰到(dao)進(jin)出風(feng)口中(zhong)間(jian)的(de)(de)(de)斜板(ban)及擋(dang)板(ban),氣(qi)(qi)(qi)(qi)(qi)流(liu)便轉向流(liu)入(ru)(ru)灰(hui)斗(dou)(dou),同時氣(qi)(qi)(qi)(qi)(qi)流(liu)速度放慢,由于慣(guan)性作(zuo)用(yong),使氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)中(zhong)粗顆粒(li)粉(fen)(fen)塵(chen)(chen)直接流(liu)入(ru)(ru)灰(hui)斗(dou)(dou)。起預收塵(chen)(chen)的(de)(de)(de)作(zuo)用(yong),進(jin)入(ru)(ru)灰(hui)斗(dou)(dou)的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)流(liu)隨(sui)后折(zhe)而(er)向上通(tong)過(guo)(guo)內(nei)部裝有(you)金(jin)屬骨(gu)架(jia)的(de)(de)(de)濾(lv)(lv)(lv)(lv)袋粉(fen)(fen)塵(chen)(chen)被捕集在(zai)濾(lv)(lv)(lv)(lv)袋的(de)(de)(de)外表面(mian),凈(jing)(jing)化(hua)后的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)進(jin)入(ru)(ru)濾(lv)(lv)(lv)(lv)袋室上部清潔室,匯(hui)集到(dao)出風(feng)口排(pai)出,含塵(chen)(chen)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)通(tong)過(guo)(guo)濾(lv)(lv)(lv)(lv)袋凈(jing)(jing)化(hua)的(de)(de)(de)過(guo)(guo)程中(zhong),隨(sui)著時間(jian)的(de)(de)(de)增(zeng)加而(er)積附(fu)在(zai)濾(lv)(lv)(lv)(lv)袋上的(de)(de)(de)粉(fen)(fen)塵(chen)(chen)越來越多,增(zeng)加濾(lv)(lv)(lv)(lv)袋阻力,致使處理風(feng)量逐(zhu)漸減(jian)少,為正(zheng)(zheng)常工(gong)作(zuo),要(yao)控制阻力在(zai)范圍內(nei)(140--170毫米水柱),一旦超過(guo)(guo)范圍對濾(lv)(lv)(lv)(lv)袋進(jin)行清灰(hui),清灰(hui)時由脈(mo)沖控制儀順序觸發各(ge)控制閥開啟(qi)脈(mo)沖閥,氣(qi)(qi)(qi)(qi)(qi)包內(nei)的(de)(de)(de)壓縮空氣(qi)(qi)(qi)(qi)(qi)由噴吹管各(ge)孔經文(wen)氏管噴射到(dao)各(ge)相應的(de)(de)(de)濾(lv)(lv)(lv)(lv)袋內(nei),濾(lv)(lv)(lv)(lv)袋瞬間(jian)急劇膨脹,使積附(fu)在(zai)濾(lv)(lv)(lv)(lv)袋表面(mian)的(de)(de)(de)粉(fen)(fen)塵(chen)(chen)脫(tuo)落,濾(lv)(lv)(lv)(lv)袋恢復初始狀態(tai)。清下(xia)粉(fen)(fen)塵(chen)(chen)落入(ru)(ru)灰(hui)斗(dou)(dou),經排(pai)灰(hui)系統(tong)排(pai)出機體(ti)(ti)(ti)。由此使積附(fu)在(zai)濾(lv)(lv)(lv)(lv)袋上的(de)(de)(de)粉(fen)(fen)塵(chen)(chen)周期(qi)地脈(mo)沖噴吹清灰(hui),使凈(jing)(jing)化(hua)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)(ti)正(zheng)(zheng)常通(tong)過(guo)(guo),保證除(chu)塵(chen)(chen)系統(tong)運行。
脈(mo)(mo)沖(chong)除塵(chen)(chen)器是(shi)指通過(guo)(guo)噴(pen)(pen)吹(chui)壓縮空(kong)氣(qi)(qi)(qi)(qi)的(de)(de)方法(fa)除掉(diao)過(guo)(guo)濾(lv)(lv)介質(布(bu)(bu)袋或(huo)濾(lv)(lv)筒)上(shang)(shang)(shang)附著(zhu)的(de)(de)粉(fen)塵(chen)(chen);根據除塵(chen)(chen)器的(de)(de)大小可能有幾組(zu)脈(mo)(mo)沖(chong)閥,由(you)(you)脈(mo)(mo)沖(chong)控制(zhi)儀(yi)或(huo)PLC控制(zhi),每次(ci)開(kai)一(yi)組(zu)脈(mo)(mo)沖(chong)閥來(lai)除去它所控制(zhi)的(de)(de)那部分(fen)(fen)布(bu)(bu)袋或(huo)濾(lv)(lv)筒的(de)(de)灰(hui)塵(chen)(chen),而(er)其他(ta)的(de)(de)布(bu)(bu)袋或(huo)濾(lv)(lv)筒正常工(gong)作(zuo),隔一(yi)段時(shi)間后(hou)下(xia)(xia)一(yi)組(zu)脈(mo)(mo)沖(chong)閥打開(kai),清理下(xia)(xia)一(yi)部分(fen)(fen)除塵(chen)(chen)器由(you)(you)灰(hui)斗(dou)、上(shang)(shang)(shang)箱(xiang)體(ti)(ti)(ti)(ti)、中(zhong)(zhong)(zhong)(zhong)箱(xiang)體(ti)(ti)(ti)(ti)、下(xia)(xia)箱(xiang)體(ti)(ti)(ti)(ti)等部分(fen)(fen)組(zu)成,上(shang)(shang)(shang)、中(zhong)(zhong)(zhong)(zhong)、下(xia)(xia)箱(xiang)體(ti)(ti)(ti)(ti)為分(fen)(fen)室(shi)結構。工(gong)作(zuo)時(shi),含塵(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)由(you)(you)進(jin)風(feng)(feng)(feng)道(dao)進(jin)入(ru)(ru)灰(hui)斗(dou),粗塵(chen)(chen)粒直(zhi)接落入(ru)(ru)灰(hui)斗(dou)底部,細(xi)塵(chen)(chen)粒隨氣(qi)(qi)(qi)(qi)流(liu)(liu)轉折向上(shang)(shang)(shang)進(jin)入(ru)(ru)中(zhong)(zhong)(zhong)(zhong)、下(xia)(xia)箱(xiang)體(ti)(ti)(ti)(ti),粉(fen)塵(chen)(chen)積附在(zai)濾(lv)(lv)袋外(wai)表面,過(guo)(guo)濾(lv)(lv)后(hou)的(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)進(jin)入(ru)(ru)上(shang)(shang)(shang)箱(xiang)體(ti)(ti)(ti)(ti)至(zhi)凈氣(qi)(qi)(qi)(qi)集(ji)合管-排風(feng)(feng)(feng)道(dao),經(jing)排風(feng)(feng)(feng)機排至(zhi)大氣(qi)(qi)(qi)(qi)。 清灰(hui)過(guo)(guo)程(cheng)是(shi)先(xian)切斷該室(shi)的(de)(de)凈氣(qi)(qi)(qi)(qi)出口風(feng)(feng)(feng)道(dao),使該室(shi)的(de)(de)布(bu)(bu)袋處于(yu)無(wu)氣(qi)(qi)(qi)(qi)流(liu)(liu)通過(guo)(guo)的(de)(de)狀態(分(fen)(fen)室(shi)停風(feng)(feng)(feng)清灰(hui))。然后(hou)開(kai)啟脈(mo)(mo)沖(chong)閥用壓縮空(kong)氣(qi)(qi)(qi)(qi)進(jin)行脈(mo)(mo)沖(chong)噴(pen)(pen)吹(chui)清灰(hui),切斷閥關(guan)閉時(shi)間足以保證在(zai)噴(pen)(pen)吹(chui)后(hou)從濾(lv)(lv)袋上(shang)(shang)(shang)剝離(li)的(de)(de)粉(fen)塵(chen)(chen)沉(chen)降(jiang)至(zhi)灰(hui)斗(dou),避(bi)免(mian)了粉(fen)塵(chen)(chen)在(zai)脫離(li)濾(lv)(lv)袋表面后(hou)又隨氣(qi)(qi)(qi)(qi)流(liu)(liu)附集(ji)到相鄰濾(lv)(lv)袋表面的(de)(de)現象,并由(you)(you)可編程(cheng)序控制(zhi)儀(yi)對排氣(qi)(qi)(qi)(qi)閥、脈(mo)(mo)沖(chong)閥及卸灰(hui)閥等進(jin)行全自動控制(zhi)。含塵(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)由(you)(you)進(jin)風(feng)(feng)(feng)口進(jin)入(ru)(ru),經(jing)過(guo)(guo)灰(hui)斗(dou)時(shi),氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)中(zhong)(zhong)(zhong)(zhong)部分(fen)(fen)大顆(ke)粒粉(fen)塵(chen)(chen)受慣性力(li)和重(zhong)力(li)作(zuo)用被(bei)分(fen)(fen)離(li)出來(lai),直(zhi)接落入(ru)(ru)灰(hui)斗(dou)底部。含塵(chen)(chen)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)通過(guo)(guo)灰(hui)斗(dou)后(hou)進(jin)入(ru)(ru)中(zhong)(zhong)(zhong)(zhong)箱(xiang)體(ti)(ti)(ti)(ti)的(de)(de)濾(lv)(lv)袋過(guo)(guo)濾(lv)(lv)區,氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)穿過(guo)(guo)濾(lv)(lv)袋,粉(fen)塵(chen)(chen)被(bei)阻留在(zai)濾(lv)(lv)袋外(wai)表面,凈化后(hou)的(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)經(jing)濾(lv)(lv)袋口進(jin)入(ru)(ru)上(shang)(shang)(shang)箱(xiang)體(ti)(ti)(ti)(ti)后(hou),再由(you)(you)出風(feng)(feng)(feng)口排出。
型號
|
過濾面積(m2)
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濾袋個數(條)
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脈沖閥數量(個)
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處理風量(m3)
|
壓縮空氣耗量(m3/min)
|
MC-11-24
|
14
|
24
|
4
|
2160-4320
|
0.3-1.3
|
MC-11-36
|
28
|
36
|
6
|
3240-6480
|
0.3-1.3
|
MC-11-48
|
38
|
48
|
6
|
4320-8640
|
0.3-1.3
|
MC-11-60
|
60
|
60
|
6
|
5400-10800
|
0.1-0.3
|
MC-11-81
|
81
|
81
|
9
|
7560-15120
|
0.2-0.9
|
MC-11-120
|
120
|
120
|
12
|
10800-21600
|
0.4-1.7
|
MC-11-160
|
160
|
160
|
18
|
15120-30240
|
0.4-1.8
|