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FGM(LPM)(PPCS)

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FGM(LPM)(PPCS)

Classification: Dust collection equipment
一、概述  FGM(LPM)(PPCS)系列气箱脉冲袋式收尘器系引进美国富乐公司(Fuller)的高效袋式收尘器,具备了脉冲喷吹和分室反吹两类除尘器的优点,克服了分室反吹类的动能强度不够及脉冲喷吹类的过滤清灰同时进行的缺点,既增加了使用范围,又提高了收尘效率。在水泥生产线上,可广泛用作破碎机、烘干机、煤磨、生料磨、水泥磨、包装机、蓖式冷却机等的收尘,特别作为用在气体浓度高(1000g/Nm³)而要
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一、概述

  FGM(LPM)(PPCS) 系列气箱脉冲袋式收尘器系引进美国富乐公司(Fuller) 的高效袋式收尘器,具备了脉冲喷吹和分室反吹两类除尘器的优点,克服了分室反吹类的动能强度不够及脉冲喷吹类的过滤清灰同时进行的缺点,既增加了使用范围,又提高了收尘效率。在水泥生产线上,可广泛用作破碎机、烘干机、煤磨、生料磨、水泥磨、包装机、蓖式冷却机等的收尘,特别作为用在气体浓度高(1000g / Nm³) 而要求排放浓度低( 小于50mg / Nm³) 的气体的收尘显示优势。目前,该设备不仅迅速在水泥厂广泛使用,而且在钢铁、冶金、碳黑等行业也被选用。

二、工作原理

  当含尘气体从进气管进入FGM 收尘器后,首先与进气管中的斜隔板相碰,气流 转向流入灰斗,此时气流扩散速度变慢,在惯性作用下,气流中的粗颗粒粉尘直接落入灰斗底部,起到预收尘作用,带有微颗粒的气流折而向上通过内部装有袋笼的滤袋,粉尘被捕集在滤袋外表面,净化后的气体进入上箱体汇集到排气总管排出。中箱体用隔板分成若干个独立的收尘箱室,根据清灰程序控制器的指令,对每个室轮流清灰。每个箱室有一个提升阀,清灰时提升阀关闭,切断该室的过滤气流,随即脉冲阀开启向该室喷入高压空气,清除滤袋外表面的粉尘。粉尘落到灰斗中,最后由排灰装置排出机体。

三、选型

  1、气箱脉冲袋收尘器通常采用的涤纶针刺毡,使用温度<120℃,如果气体温度超过此值时,需采取相应的降温措施或采用耐高温滤袋。

  型号说明:

  2、注:LPM 及PPCS 和FGM 为同一型号。

  3、技术性能见附表。

  性能表说明:

  (1) 在入口浓度小于60g/Nm³,表中所列风量可以加大20%。

  (2) 压缩空气耗量栏中,括号中的耗量为在收尘器入口浓度>500g/Nm³ 时所需的压缩空气耗量,如在用于立磨或高效选粉机等的一级收尘时,需采用括号内的耗气量。

  (3) 系统负压超过6000Pa 时,若选用,需要先说明,以便加强壳体强度和刚度。

  4、本除尘器的外型图见附图。

四、清灰程序控制装置

  清灰装置控制,一般采用定时法。对分室收尘器集中控制时采用P C集中控制,控制为自动和手动两种方式,并设有集中控制接口。当控制器出现故障时,可随时切换为手动控制,为便于调试和设备检修而设在机旁控制。

FGM(LPM)(PPCS) 系列气箱脉冲袋收尘器技术参数

附表一

注:表中重量,不包括保温系统材料重量(后同)

附表二

附表三

技术说明:

  1、该除尘卸灰(锁风)阀有两种形式,即300×300 刚性叶轮卸料器和300×300 的双层重锤阀。

 

  2、设计选型时卸料器高度H=400,双层重锤阀高度H=950

技术说明:

  1、该设备的灰斗锁风卸灰有两种形式供选择,即300×300 的叶轮卸料器和300×300 双层重锤阀。

  2、计算高度时300×300 的叶轮卸料器H=400 和300×300 双层重锤阀H=950。

技术说明:

  1、该设备的锁风卸灰有两种,即340×340 的叶轮卸料器和340×340 双层重锤阀。

  2、设计选配时340×340 刚性叶轮卸料器按H =440、340×340双层重锤阀按H=985 考虑。

 

Keyword:
Valves and harbor machinery
Dust collecting equipment
Loading equipment
Conveying equipment
We could not find any corresponding parameters, please add them to the properties table

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