气箱脉(mai)冲(chong)袋式(shi)除尘器的(de)喷吹压力
气(qi)(qi)箱脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)袋(dai)(dai)式(shi)除(chu)(chu)尘(chen)器(qi)的(de)(de)(de)(de)喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)是指脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)缩空气(qi)(qi)压(ya)(ya)(ya)(ya)力(li)。喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)越(yue)(yue)(yue)大，诱导的(de)(de)(de)(de)二(er)次气(qi)(qi)流越(yue)(yue)(yue)多(duo)(duo)，所形(xing)成的(de)(de)(de)(de)反(fan)吹(chui)(chui)(chui)(chui)气(qi)(qi)速越(yue)(yue)(yue)大，清(qing)灰(hui)效(xiao)果(guo)(guo)越(yue)(yue)(yue)好(hao)，袋(dai)(dai)滤(lv)器(qi)压(ya)(ya)(ya)(ya)降(jiang)下降(jiang)越(yue)(yue)(yue)明显。在布袋(dai)(dai)除(chu)(chu)尘(chen)器(qi)压(ya)(ya)(ya)(ya)降(jiang)限定后，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)越(yue)(yue)(yue)高(gao)(gao)(gao)，处理能力(li)越(yue)(yue)(yue)大。在喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)间隔(ge)及喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)时(shi)(shi)间不(bu)(bu)变(bian)的(de)(de)(de)(de)情(qing)况下，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)增加，允(yun)许入口含尘(chen)浓度可(ke)以相(xiang)应(ying)(ying)提(ti)高(gao)(gao)(gao)。但喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)过(guo)(guo)高(gao)(gao)(gao)，也会(hui)出(chu)(chu)现(xian)过(guo)(guo)度清(qing)灰(hui)现(xian)象，反(fan)而影(ying)响净(jing)化效(xiao)率，即布袋(dai)(dai)除(chu)(chu)尘(chen)器(qi)出(chu)(chu)现(xian)瞬(shun)间“冒灰(hui)”现(xian)象。同时(shi)(shi)耗气(qi)(qi)量(liang)增加，浪费能源。由此(ci)(ci)可(ke)见，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)过(guo)(guo)低(di)(di)(di)(di)(di)或过(guo)(guo)高(gao)(gao)(gao)都会(hui)影(ying)响过(guo)(guo)滤(lv)效(xiao)果(guo)(guo)。 压(ya)(ya)(ya)(ya)缩空气(qi)(qi)的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)力(li)相(xiang)当大一(yi)部(bu)分消耗在克服喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)系统(tong)本(ben)身的(de)(de)(de)(de)阻(zu)力(li)上，其数值可(ke)达0.2MPa以上，其中脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)的(de)(de)(de)(de)阻(zu)力(li)占很(hen)大部(bu)分。近年来出(chu)(chu)现(xian)几(ji)种低(di)(di)(di)(di)(di)阻(zu)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)，如直通(tong)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)和双膜(mo)片低(di)(di)(di)(di)(di)压(ya)(ya)(ya)(ya)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)等。由于(yu)气(qi)(qi)箱脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)袋(dai)(dai)式(shi)除(chu)(chu)尘(chen)器(qi)内阻(zu)降(jiang)低(di)(di)(di)(di)(di)很(hen)多(duo)(duo)，也使喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)相(xiang)应(ying)(ying)降(jiang)低(di)(di)(di)(di)(di)，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)***低(di)(di)(di)(di)(di)可(ke)达0.2～0.3MPa。 此(ci)(ci)外，河南(nan)脱硫除(chu)(chu)尘(chen)设备加大气(qi)(qi)包及喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)管直径，以喷(pen)(pen)(pen)(pen)(pen)嘴代替喷(pen)(pen)(pen)(pen)(pen)孔等均可(ke)降(jiang)低(di)(di)(di)(di)(di)喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)。DMF-T直通(tong)电(dian)磁脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)属于(yu)低(di)(di)(di)(di)(di)压(ya)(ya)(ya)(ya)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)，而DMF-Z角式(shi)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)为高(gao)(gao)(gao)压(ya)(ya)(ya)(ya)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)，它(ta)们本(ben)身的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)力(li)损失(shi)不(bu)(bu)同，要求喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)也应(ying)(ying)不(bu)(bu)同。喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)除(chu)(chu)了考虑脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)阻(zu)力(li)外，气(qi)(qi)箱脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)袋(dai)(dai)式(shi)除(chu)(chu)尘(chen)器(qi)还应(ying)(ying)考虑滤(lv)袋(dai)(dai)长(zhang)度，短滤(lv)袋(dai)(dai)采(cai)用(yong)低(di)(di)(di)(di)(di)的(de)(de)(de)(de)喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)，长(zhang)滤(lv)袋(dai)(dai)喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)要相(xiang)应(ying)(ying)增大。对于(yu)滤(lv)袋(dai)(dai)长(zhang)为2m、低(di)(di)(di)(di)(di)压(ya)(ya)(ya)(ya)直通(tong)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)一(yi)般(ban)不(bu)(bu)大于(yu)0.45~0.55MPa。扁袋(dai)(dai)除(chu)(chu)尘(chen)器(qi)多(duo)(duo)数采(cai)用(yong)高(gao)(gao)(gao)压(ya)(ya)(ya)(ya)角式(shi)脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)阀(fa)(fa)(fa)，喷(pen)(pen)(pen)(pen)(pen)吹(chui)(chui)(chui)(chui)压(ya)(ya)(ya)(ya)力(li)可(ke)适当提(ti)高(gao)(gao)(gao)到0.6MPa。文章内容来源于(yu)气(qi)(qi)箱脉(mai)(mai)(mai)(mai)(mai)(mai)冲(chong)(chong)袋(dai)(dai)式(shi)除(chu)(chu)尘(chen)器(qi)：we178.com.cn/
