What is this doing? (4)
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Major maintenance is in progress. In the picture, quality engineers are inspecting the heat exchanger. What are they doing?
Ammonia leak detection at heat exchanger tube-to-tube sheet joints @Zhongyuanren
This post was last edited by pzhmotor on 2024-8-9 10:37. Thank you for sharing! We plan to use a similar method, with raw rice paper, to test for leaks in the negative pressure of the air preheater.
Checking for leaks in the boiler air preheater – it works great! Applying stickers and then spraying water makes them easy to fall off. I’m planning to buy some glue to mix in the sprayer; spraying first and then sticking it on might work better. The glue should be better.