Leak testing of the tower after equipment maintenance
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After the equipment is overhauled, is it still necessary to perform steam pressure testing on towers and similar structures, by injecting steam to increase pressure and check for leaks? Please explain, thank you
Test it with nitrogen! How to test steam
How to maintain steam pressure. . . With such high temperatures, the soap solution has dried up; how can bubbles still be seen?
Before a tower can be put into operation after maintenance, it must pass pressure testing; the medium used for this testing is selected depending on the operating conditions. For ordinary towers, steam is used for pressure testing, which simultaneously allows for the removal of air and preheating. For devices such as catalytic settlers and regenerators that cannot use steam, air must be used for pressure testing. In the case of light-component units, when using steam or air is not appropriate, nitrogen must be used for pressure testing, thereby eliminating air while completing the pressure testing process.
Steam is leaking out; what’s the need for soapy water? It’s obvious at a glance
No matter how you look at it, the leakage has all evaporated. . It’s obvious that the leakage is quite severe
No matter how you look at it, the leakage has all evaporated. . It’s obvious that the leakage is quite severe
It is sufficient for the repaired area to pass non-destructive testing; during operation, inspection personnel should be instructed to pay attention to that area. Pressure testing is required only when the repair thickness reaches 1/2 of the thickness of the pressure-bearing layer.
No need. One of the items you need to check during maintenance is for leaks. What are your inspection items? Some of them require pressurization.