真空泵在真空系统中所要承担的事项

  • Article source:Industry News
  • Website editor:莱诺真空泵
  • Reading volume:
  • Publication time:2019-12-11 14:37:41

在选用真空泵时,必须明确泵在真空系统中所承担的工作任务,泵在各种不同工作领域中所起的作用,小编归纳起来主要有如下几个方面

1、在系统中做主泵

所谓主泵就是对真空系统被抽容器直接进行抽真空,以获得满足工艺要求所需真空度的真空泵

2、粗抽泵

粗抽泵是指从大气压开始降低真空系统压强达到另一抽气系统可以开始工作的泵

3、前级泵

前级泵是指用于使另一个泵的前级压强维持在其最高许可的前级压强以下的泵

4、维持泵

维持泵是指当真空系统抽气很小时,不能有效的利用主要前级泵。为此,在真空系统中另配一种抽气速度较小的辅助前级泵来维持主泵的正常工作或维持已抽空的容器所需的低压的真空泵

5、粗泵或低泵

粗、低泵是指从大气开始,降低被抽容器的压强后工作在低真空或粗真空压强范围内的泵

6、高泵

高泵是指在高真空范围工作的泵

7、超高泵

超高泵是指在超高真空范围工作的泵

8、增压泵

增压泵通常指工作在低泵和高泵之间,用以提高抽气系统在中间压强范围的抽气量或降低前级泵抽气速率要求的真空泵

通过以上介绍,可知在真空系统中,真空泵是必不可少的,它所要承担的事项也是不可忽略的


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