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化工中内回流和外回流的区别
更新时间: 2021-03-24 14:03:56  

化工生产中内回流和外回流是同时存在的:

1、内回流是存在于塔的内部,可简单理解为气液相交换的液相;

2、外回流一般是指主塔抽出后在经过冷却设备冷却之后再打回到塔内,目的主要是提供塔内的液相回流;将塔内多余的热量取走,降低塔的负荷,同时跟其他需要升温的介质换热,达到节能的目的。

关键词: 化工 回流 区别

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