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No abnormality. The reactor cannot evacuate, but it works again after one hour. What's going on?

2008-02-29View Original

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Recently, when the production process was evacuated (water ring type), the reactor was under normal pressure and there was no response. At first, I thought the rupture disc was broken, but after checking it, it was fine. I suspected that the vacuum pump was broken, but it was not broken. It was normal. So I took a step-by-step approach and checked for leaks. After checking, every All the steps are good, and they can all draw a full vacuum, which means that all abnormalities have been eliminated, but the reactor cannot draw a vacuum. After an hour, I tried it again (note: it was still in the same state as when the vacuum couldn't be drawn, nothing was moved), and it actually worked. I don't know what happened, please ask the seniors.

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