
做好设备空负荷运行调试前准备工作。袋式除尘器按下列步骤进行调试:⑴、调整清灰控制器,确保电磁脉冲阀动作顺序正确,清灰各单元顺序正确。⑵、检查电磁脉冲阀和电控部分伏数(24V或220V), ⑶、检查设备上密封件有无松动或脱落。 ⑷、喷吹用压缩空气压力应保持在5~7㎏/cm。⑸、检查设备上电机及机械传动部分运转是否正常。⑹、袋式除尘器检(jian)查设(she)备上袋笼和滤袋安装是否牢固。⑺、进(jin)(jin)行设(she)备空负(fu)荷(he)运行调(diao)试,要(yao)求(qiu)各部(bu)分(fen)运转(zhuan)正常。⑻、进(jin)(jin)行设(she)备带负(fu)荷(he)运行调(diao)试。要(yao)求(qiu)各部(bu)分(fen)运转(zhuan)正常。

紧缩(suo)空气(qi)(qi)耗量(liang)重要取决于(yu)喷吹(chui)(chui)(chui)(chui)(chui)压(ya)力、喷吹(chui)(chui)(chui)(chui)(chui)周期、喷吹(chui)(chui)(chui)(chui)(chui)时(shi)辰、脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)方法和(he)口径以(yi)及(ji)滤(lv)(lv)袋(dai)数等要素。为(wei)(wei)(wei)QMF—100型脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)在过滤(lv)(lv)风(feng)速必定而喷吹(chui)(chui)(chui)(chui)(chui)压(ya)力不一起, 喷吹(chui)(chui)(chui)(chui)(chui)时(shi)辰与耗气(qi)(qi)量(liang)的关(guan)系(xi)。除尘器的总耗气(qi)(qi)量(liang)Q可按下式(shi)核算(suan): Q=a•n•q/T式(shi)中:Q—每(mei)除尘器耗气(qi)(qi)量(liang),m3/min;a—附加系(xi)数(包含管道漏气(qi)(qi))取1.2;n—脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)数目,个(ge);q—每(mei)个(ge)脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)喷吹(chui)(chui)(chui)(chui)(chui)一次耗气(qi)(qi)量(liang)m3;一般喷吹(chui)(chui)(chui)(chui)(chui)时(shi)辰0.15s;T—脉(mai)冲(chong)(chong)(chong)(chong)(chong)周期,min。如关(guan)于(yu)QMF—100型脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa),当(dang)喷吹(chui)(chui)(chui)(chui)(chui)压(ya)力为(wei)(wei)(wei)0.5MPa—0.7MPa,喷吹(chui)(chui)(chui)(chui)(chui)时(shi)辰为(wei)(wei)(wei)0.1s—0.2s时(shi),每(mei)个(ge)脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)喷吹(chui)(chui)(chui)(chui)(chui)一次的耗气(qi)(qi)量(liang)为(wei)(wei)(wei)0.01m3—0.034m3;当(dang)喷吹(chui)(chui)(chui)(chui)(chui)压(ya)力为(wei)(wei)(wei)0.4MPa—0.57MPa,喷吹(chui)(chui)(chui)(chui)(chui)时(shi)辰为(wei)(wei)(wei)0.2s—0.3s时(shi),每(mei)个(ge)脉(mai)冲(chong)(chong)(chong)(chong)(chong)阀(fa)喷吹(chui)(chui)(chui)(chui)(chui)一次的耗气(qi)(qi)量(liang)为(wei)(wei)(wei)0.025m3—0.036m3。

除尘器滤布一般是用棉、毛等天然纤维或合成纤维为质料制成的。 袋式除尘器原资料各具不同的物理、化学特性,合适的使用条件或作业环境 (温度、湿度、腐蚀……)。因而,混合料搅拌机袋式除尘器滤 料的正确选用的原则应该是,袋式除尘器充沛了解混(hun)合料搅拌(ban)机在生产 过程(cheng)中排放出(chu)来的(de)含尘气体的(de)理化特性,认(ren)真对(dui)照(zhao)各种纤维所具(ju) 有的(de)技术功能,加以正确(que)挑选。

根据性价比选用合适的布袋数量,(仓内选用直径15cm的滤袋192个)在保证达到预期环境效益及保证岗位工工作环境良好的情况下,袋式除尘器尽量节约成本。在集尘罩远离下料口的一端开一个回收煤粉管道,经过脉冲袋式除尘器后收集的烟尘通过刮板机刮到管道中回收利用,袋式除尘器在除尘器干管上开(kai)清(qing)扫孔,防(fang)止粉尘沉积将管道堵塞。

根据除尘器的尘量确定定期排灰维护保养时间。袋式除尘器根据空气气包的积水情况确定定期排放积水。经常检查除尘器脉冲清灰系统是否正常工作,如不正常,则着重检查脉冲阀膜片损失,电磁脉冲阀有否失灵,并及时更换。滤袋应及时清洗,定时更换。根据设备阻力变化波动定期检查设备运行是否正常。根据易损件清单经常检查易损件使用情况。定期对设备的润滑部件补充油脂,减速机六个月换一次润滑油,轴承润滑点每周补充一次。袋式除尘器注重检(jian)查电(dian)控(kong)箱的密封程度是否(fou)完好,防止进水进尘,经常清(qing)理电(dian)控(kong)箱内(nei)积尘。