脈沖閥膜片把脈沖(chong)(chong)閥(fa)(fa)分為前(qian)后(hou)(hou)(hou)二個(ge)氣(qi)(qi)室(shi)(shi),當電(dian)磁脈沖(chong)(chong)閥(fa)(fa)在(zai)脈沖(chong)(chong)袋式除塵器清(qing)灰系統中接(jie)通(tong)清(qing)潔(jie)壓(ya)(ya)(ya)縮空氣(qi)(qi)時(shi),壓(ya)(ya)(ya)縮空氣(qi)(qi)通(tong)過節(jie)流孔,進(jin)入后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi),此時(shi)后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi)的壓(ya)(ya)(ya)力將膜(mo)片緊(jin)貼閥(fa)(fa)的出(chu)氣(qi)(qi)口(kou),脈沖(chong)(chong)閥(fa)(fa)處于(yu)關閉狀(zhuang)態(tai),脈沖(chong)(chong)控制儀輸出(chu)信(xin)號,使(shi)脈沖(chong)(chong)閥(fa)(fa)銜鐵移(yi)動,閥(fa)(fa)后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi)放氣(qi)(qi)孔打開,后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi)失壓(ya)(ya)(ya),使(shi)膜(mo)片后(hou)(hou)(hou)移(yi),壓(ya)(ya)(ya)縮空氣(qi)(qi)通(tong)過閥(fa)(fa)的出(chu)氣(qi)(qi)口(kou)噴吹(chui),脈沖(chong)(chong)閥(fa)(fa)處于(yu)開啟狀(zhuang)態(tai)噴吹(chui)開始(shi),脈沖(chong)(chong)控制儀輸出(chu)的電(dian)信(xin)號消失,脈沖(chong)(chong)閥(fa)(fa)的電(dian)磁先導(dao)頭銜鐵復位,后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi)放氣(qi)(qi)孔關閉,后(hou)(hou)(hou)氣(qi)(qi)室(shi)(shi)壓(ya)(ya)(ya)力升高(gao)使(shi)脈沖(chong)(chong)閥(fa)(fa)膜(mo)片緊(jin)貼閥(fa)(fa)的出(chu)氣(qi)(qi)口(kou),脈沖(chong)(chong)閥(fa)(fa)處于(yu)關閉狀(zhuang)態(tai),噴吹(chui)停(ting)止(zhi),噴吹(chui)時(shi)間的長短(duan)氣(qi)(qi)量大小由(you)控制儀來進(jin)行(xing)控制。
由于脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)是一(yi)種需要時常進行開啟和(he)關閉動(dong)作來控制空氣(qi)流通的(de)柔性(xing)機(ji)構,及要求有(you)好的(de)柔韌性(xing),還要求有(you)盡可能高的(de)密封性(xing),因此脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)的(de)材料就直接(jie)關系(xi)到脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)的(de)使(shi)用壽(shou)命和(he)使(shi)用效果,換言之,脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)的(de)好壞就直接(jie)影(ying)響脈(mo)(mo)沖袋(dai)式(shi)除(chu)塵(chen)器清灰系(xi)統的(de)工作穩定(ding)性(xing),也直接(jie)關系(xi)到除(chu)塵(chen)設備的(de)使(shi)用成(cheng)本,一(yi)般(ban)的(de)脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)都有(you)使(shi)用壽(shou)命或者動(dong)作次(ci)數的(de),使(shi)用 的(de)脈(mo)(mo)沖閥(fa)(fa)(fa)膜(mo)(mo)(mo)片(pian)可以(yi)直接(jie)降低除(chu)塵(chen)設備的(de)使(shi)用成(cheng)本。