How to judge whether the air preheater of an industrial ...
2021-5-28u2002·u2002Due to low-temperature corrosion and wear of the air preheater, the preheater tube is easy to perforate, causing air to leak into the flue gas. In addition to the visual inspection of the preheater after the boiler is shut down, air leakage from the preheater can also be found when the boiler is running.
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