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粉末输送泵在化工领域中的大应用

Time: 2016/6/13 9:48:22

  化工工业中的原材料、半成品、产品大多数是粉粒状物料、粘性物料、热料等,随着生产过程自动化,具有全密封式的粉末输送泵是一种*为理想的物料运输设备。
  对化工原料的气力输送,需要了解被输送物料的物理化学特性,了解气力输送前后工艺装备和设备性能,了解工厂设置的工况,方能确定是否能采用气力输送,而后才能确定装置基本技术参数和系统布置。
  化工行业采用粉末输送泵具有很多优点,生产的连续性能简化对辅助设备的管理,管道布置灵活便于各设备的任意配置,防止杂物的掺入和散落;可以实现多种工艺要求,如混合、分级、冷却、除尘等;不占用大量的车间面积和空间;实现生产过程集中自动控制、监控、检测等。
  化工物料粉末输送泵需注意的问题:
  (1)防止杂物掺入气力输送系统污染物料。要求空气净化,压缩空气中含水、含油、含尘量需控制在一定的范围内。
  (2)防止铁锈和铁质等物混入,在物料加入口应装磁铁除铁器。输料管采用不锈钢管或铝管,在工艺允许情况下选用的普通钢管需做表面除锈处理。
  (3)防止物料输送中的破碎、磨损和变形。气力输送选型应尽可能采用低压连续稀相输送,保证物料的使用性能。
  (4)保证易燃易爆物料输送的*性,宜采用惰性气体循环输送。对吸湿性强的物料可用冷冻式干燥机和空气过滤器,气源经处理后使用。
  (5)对带有静电的物料和化工品,安装时需注意气力输送各部件,输料管、贮料斗、除尘器等需接地,除尘器滤料采用防静电材质和相应的措施。

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