The design parameters of anodic protection coolers and the reason why to choose a prepump process are presented.

介绍阳极保护浓硫酸冷计参数,选用泵前流程原因,重讨论冷水路计方案。

ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation.

ZJ型罗泵不能直排大气，运行时需配备相应前级泵。