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04
2022
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11
The hazards of fouling in heat exchangers
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Summary:
After the heat exchanger becomes fouled, its thermal resistance significantly increases. At this time, with the flow rate of the refrigerant (or heat transfer fluid) remaining unchanged, the fluid has difficulty transferring cold (or heat) to the working fluid side being exchanged, resulting in a noticeable decline in heat exchange efficiency.
The hazards of fouling in heat exchangers
According to surveys, over 90% of ordinary shell-and-tube heat exchangers have varying degrees of fouling issues, resulting in deteriorated heat transfer performance and a decrease in heat transfer efficiency, with an average decline of over 30%. In addition to directly causing energy loss, it also leads to a reduction in the operating load of production equipment, affecting production capacity. Furthermore, fouling in heat exchangers can increase fluid flow resistance, leading to increased power consumption of the equipment, and periodic cleaning also raises the operating costs of the heat exchanger.
After fouling occurs in the heat exchanger, its thermal resistance significantly increases. At this time, with the flow rate of the refrigerant (or heat transfer fluid) remaining unchanged, it becomes difficult for the fluid to transfer cold (or heat) to the working fluid side being exchanged, resulting in a noticeable decline in heat exchange efficiency. In this situation, if the process still requires maintaining the original exchange efficiency, it is necessary to increase the flow rate entering the heat exchanger while raising the inlet pressure of the heat exchanger, which leads to a doubling of energy consumption.
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Chongqing Southwest Saiwei Heat Exchange Equipment Co., Ltd. is committed to providing customers with excellent heat exchange equipment solutions. With the rapid development of the industrial field, the demand and application of heat exchange equipment are becoming more and more extensive. The company deeply knows that each customer's needs are unique, so customized solutions have become our core competitiveness.
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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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