[". Placas de destilacióno，各位老师帮忙解答下

2018-01-07View Original

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La diferencia de las placas de lailo下面塔板抽出换热后返回上面塔板和上面塔板抽出换热后返回下面塔板的区别比如第1层抽出，返回到第8层。第8层抽出，返回到第8层，这两种设计在上面和下面塔板上有什么区别和优缺点？

Reply #22018-01-08

Es un poco confuso. No sé qué proceso hace esto. Mi理解上面的下去叫精馏，有利于提高上面的纯度。下面的上去叫提馏，有利于提高下面的纯度

Reply #32018-01-12

Principalmente se dividena en la relación de la la组分的组成

Reply #42018-01-12

Este sección de la caletración加热和冷却是根据不同情况使用的，常用的是加热在提馏段，冷却在精馏段；或者是为了抽出为目的，加热把那组分蒸出去从而提出那原油精馏塔就是这样

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[". Placas de destilacióno，各位老师帮忙解答下

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