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2018-11-01View Original

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user kukukuk

Reply #22018-11-02

你可以先了解下一、二级密封的作用？

Reply #32018-11-02

能上个示意图么？便于其它领域里的朋友搀和搀和撒:lol这个像是在说暗语，特务用于;P

Reply #42018-11-02

说的是干气密封吗？是的话，一级密封气一般是介质起保护作用，泄露的随二级密封气进入火炬系统或者被二级密封气阻回

Reply #52018-11-02

有的说先投一级的还有的说先投二级的

Reply #62018-11-03

有隔离气，先投隔离气。投一级密封气引氮气作为一级密封气，投火炬线然后投二级密封气

Reply #72018-11-03

当介质的压力高于一级密封气引的氮气压力时，切换介质作为一级密封气

Reply #82018-11-04

防止未经过滤的介质气体污染干气密封

Reply #92018-11-06

必须保证密封气压力大于机子系统压力，这是关键！

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