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Corrosion analysis of circulating water coolers

2020-07-17View Original

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The heat exchanger at the end of the circulating water system has adherent deposits of black scale after it was disassembled; pitting is quite severe. Everyone’s opinion is welcome – please share your views.
Reply #22020-07-17
The key is to check the quality of the circulating water; moreover, corrosion of equipment made from such materials is quite normal. If it is a water-related issue that cannot be resolved, it is advisable to consider replacing the equipment with corrosion-resistant ones. If the water quality can be improved, such corrosion may be reduced accordingly. For reference.
Reply #32020-07-17
Isn’t the flow rate slower at the end of the circulating water?
Reply #42020-07-18
Looking at this corrosion situation, the poster needs to pay attention to two things: sludge in the circulating water and the pH level of the circulating water.
Reply #52020-07-19
Would adding an anti-corrosion coating alleviate this problem?
Reply #62020-07-19
President Wang, which coating would be most effective in this situation? How about SHY-99?
Reply #72020-07-19
I consulted experts, who also said it’s underfilm corrosion; currently, we are planning to apply a coating treatment
Reply #82020-07-20
Allow the circulating water system to undergo overall pre-film formation and treatment
Reply #92020-07-20
You can select multiple materials for comparison

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