Corrosion of steel structures in compound fertilizer production facilities
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In the compound fertilizer production facility of my company, the poor performance of the dehumidification system results in a very humid environment. The steel structures in the plant are coated with polyurethane paint for corrosion protection, but corrosion occurs rapidly within less than a year. Do any experts have any good corrosion prevention solutions? I would appreciate your advice
Is there no hero who can give some good advice?
You can add me on QQ for a private chat; our company has service outlets all over the country, and we might be able to help you. :handshake
The specific details are unclear, making it difficult to analyze
Compound fertilizer plants may have some salts on the surface of their steel structures; if this surface is not properly treated before painting, it will affect the quality of the paint coating.
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Ammonia corrosion and phosphorus corrosion are more likely to occur. Ordinary polyurethane coatings mainly have good weather resistance, but their corrosion resistance is inferior to that of epoxy coatings. For more complex corrosion environments, it is recommended to use special anti-corrosion coatings, such as the 1034 acid-alkali resistant anti-corrosion coating or the 711 inorganic anti-corrosion coating