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Specializing in the research, development, production, sales, equipment consulting, maintenance, and accessory services of heat exchange technology, equipment, and systems
10
2023
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11
Methods for cleaning fouling in heat exchangers
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Fouling of heat exchangers refers to the accumulation of deposits inside the heat exchanger, which can affect the heat transfer efficiency and requires regular cleaning. Here are some commonly used methods for cleaning fouling in heat exchangers:
Fouling of heat exchangers refers to the accumulation of deposits inside the heat exchanger, which can affect the heat transfer efficiency and requires regular cleaning. Here are some commonly used methods for cleaning fouling in heat exchangers:
Mechanical cleaning: Using tools such as brushes and scrapers for physical scraping to remove the deposits from the surface of the heat exchanger. This method is suitable for thin and loose deposits.
Chemical cleaning: Using chemical cleaning agents that can dissolve or decompose the deposits. Depending on the composition of the deposits, choose the appropriate cleaning agent, for example, acidic cleaning agents for dissolving calcium, magnesium, and other hard water scales, and alkaline cleaning agents for dissolving oil stains and organic deposits. During the cleaning process, it is important to use appropriate protective measures to avoid harm to personnel and equipment.
High-pressure water cleaning: Using high-pressure water flow to flush the surface of the heat exchanger, which can wash away the deposits. This method is suitable for thin and loose deposits, but care must be taken to control the water pressure to avoid damaging the heat exchanger.
Ultrasonic cleaning: Utilizing the vibration effect of ultrasonic waves to break up the deposits, thereby removing them. This method is suitable for deposits that are harder and more firmly adhered.
Condensation cleaning: Allowing the condensate to flow through the heat exchanger, using the heat generated during the condensation process to clean the deposits. This method is suitable for thin and soft deposits.
When cleaning fouling in heat exchangers, it is necessary to choose the appropriate cleaning method based on the specific situation and pay attention to safe operation. Additionally, regular maintenance and care of the heat exchanger to prevent fouling issues is also very important.
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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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