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Corrosion protection measures are required for carbon steel water coolers in petrochemical plants

2025-06-19View Original

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For example: The image below shows the tube bundle of the vacuum distillation unit in petrochemical industries, specifically the top vacuum pre-condenser. Model: FLB1200-395-16-4, Material: 10# steel. This heat exchanger shell has been in operation for over 2 years. Operating conditions: Shell side: oil, vapor, and water vapor, temperature 55°C, pressure negative. Pipeline: Medium, deep well water, temperature 23°C, pressure 0.2 MPa. During maintenance, the condenser was opened, and corrosion was found on both the oil, vapor, and water sides as well as the water side of the tube bundle. It is recommended to use a coating method for corrosion protection on such tubes, which yields good results.

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