气泵带电磁阀和不带有什么区别?真空泵选型的注意事项

  • Article source:Industry News
  • Website editor:莱诺真空泵
  • Reading volume:
  • Publication time:2022-11-29 10:04:21

真空泵选型的注意事项可以从以下几点出发:

1. 工艺要求达到的真空度:

真空泵的工作压力应该满足工艺工作压力要求,选型时真空度要高于真空设备真空度的半个到一个数量级。(如:真空工艺要求100pa(绝对压力)的真空度,选用真空泵的真空度至少要50pa-10pa)。

2. 工艺要求的抽气量:

真空泵要求抽气速率(也就是要求真空泵在其工作压力下,排出气体、液体,固体的能力),一般单位:m3/h,L/S,m3/min。也可以提供被抽容器或者反应釜的体积由我们工程师帮你精确计算选择抽气速率。

 3. 被抽物体的成分:

 第一,被抽物体是气体、液体还是颗粒,

 第二,要知道被抽物体是否有腐蚀(酸性还是碱性,PH值是多少?)

 第三,被抽物体是否对橡胶或者油品有污染?针对不同的被抽介质要选用相应的真空设备,如果气体中含有大量蒸气、颗粒、及腐蚀性气体,应该考虑在泵的进气口管路上安装相应的辅助设备,如冷凝器,过滤器等(具体联系我们相应技术工程人员)。

 第四, 真空泵的噪音,振动,美观对工厂是否有影响。

 第五, 真空泵和真空设备的价格、运输及其维修和保养费用。

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