This article introduced the operating principles, process and application of water-ring vacuum pump in aniline production.

介绍了水环真空泵的工作原理、工作流程及其在苯胺生产中的应用情况。

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Water-ring vacuum pump usually gets steam-erosion in summer due to high temperature of working-water, which affects its safe and steady operation.

水环式真空泵在夏季往往因工作水温度高发生汽蚀，影响设备安全稳定运行。

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Because of the complicated thermodynamic properties inside the condenser, the type-selective calculation of water-ring vacuum pump is allowed to be different from that in common use.

由于凝气器内复杂的热力学特性，使得水环真空泵的选型计算，不同于一般用途的选型计算，就此问题作扼要叙述。

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