The main air extractor of the steam turbine was broken during the start of the operation.
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This time when the steam turbine was started, the main air extractor was broken, the main air extractor leaked, and air was sucked in from the exhaust port. Nowadays, the start-up air extractor is used to start the operation. The noise is loud and the condenser vacuum is unstable. It is sometimes high and sometimes low. Can the start-up air extractor be used for a long time? What should we pay attention to?
This is similar to a first- and second-level air extractor with normal and reduced pressure. It will not wear out and there is nothing to pay attention to.
How could the gas pump be broken? Is there an air leak? Can you try to tighten it?