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04
2022
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11
How to prevent corrosion of removable plate heat exchangers?
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To reduce the likelihood of corrosion in removable plate heat exchangers, measures need to be taken for protection to avoid corrosion in removable plate heat exchangers. The specific protective measures are as follows.
How to prevent corrosion of removable plate heat exchangers?
To reduce the likelihood of corrosion in removable plate heat exchangers, protective measures need to be taken to avoid corrosion. The specific protective methods are as follows:
1. During the manufacturing process of removable plate heat exchangers, after the plates are stamped and formed, they must be stored for a certain period to completely eliminate residual stress.
2. It is essential to protect the surface of the plates to avoid scratches and prevent conditions that could lead to secondary corrosion.
3. Ensure that the removable plate heat exchanger can operate stably, which also enhances the stability of the system. During the actual operation of the removable plate heat exchanger, especially regarding the chemical composition and temperature of the exchange medium, monitoring should be conducted to keep track of fluctuations in SO42- and Cl-. If any issues are detected, timely and reasonable measures should be taken to address them, thereby achieving protection against corrosion of the removable plate heat exchanger. Only when the degree of corrosion in the heat exchanger is significantly reduced can it help extend the service life of the removable plate heat exchanger.
4. Carry out anti-corrosion and insulation maintenance work. To achieve the effect of protecting removable plate heat exchangers from corrosion, anti-corrosion and insulation maintenance should also be performed. Choose ceramic fiber felt or rock wool boards as insulation materials for the removable plate heat exchanger. At the same time, apply three layers of anti-corrosion paint on the surface of the removable plate heat exchanger: the first layer is an epoxy resin zinc powder primer with a thickness of 50μm, and the second and third layers are epoxy primer and acrylic polyurethane paint with thicknesses of 40μm and 50μm, respectively. After application, drying treatment should be carried out to enhance the corrosion resistance of the removable plate heat exchanger. In summary, the above measures are of great significance for protecting removable plate heat exchangers from corrosion.
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Chongqing Southwest Saiwell Heat Exchange Equipment Co., Ltd.
Specializing in the research, development, production and sales, equipment consulting, maintenance, and accessory services of heat exchange technology, equipment, and systems, and undertaking the design and installation of thermal system engineering, energy conservation and emission reduction, and energy conservation and emission reduction system engineering.
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