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Analysis of the application and development of plate heat exchangers in refrigeration technology

hit count: Updated: 19/10/08 10:37:10 Source: coinaccel.com [ close ] share:

    The plate heat exchanger is a compact heat exchange equipment. It was first developed as a continuous low temperature sterilizer in the 1880s. It was applied to the food industry in the 1920s. Because plate heat exchangers have some common features in production and application. Therefore, plate heat exchangers are now widely used in petroleum, chemical, light industry, electric power, metallurgy, machinery, power and other industrial categories, and have become a competitive type in the heat exchanger clan.
    In refrigeration skills, plate heat exchangers are indispensable refrigeration equipment. Heat exchangers such as condensers, evaporators, regenerators and coolers, not only account for 50% of the entire refrigeration equipment in terms of volume, volume and metal consumption. More than percent, and it will have a serious impact on the cooling function.

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    Therefore, strengthening the heat transfer of the refrigeration heat exchanger, reducing the amount and volume, and reducing the metal consumption have been the development direction of refrigeration skills. Now a new, fully-welded plate heat exchanger has been introduced in the refrigeration skills. Application, and showed weak development potential. Comparing HVAC Online with the shell-side tube heat exchangers for refrigeration, in addition to the general features of plate heat exchangers, the plate heat exchangers for refrigeration also have the following features.
    The refrigerant charge is small, which is conducive to environmental protection and reduced operating costs. The shell and tube sides of the shell and tube heat exchanger have large volumes. To make the refrigeration system work normally, it is necessary to fill a lot of refrigerant, and May also constitute environmental pollution. While the plate heat exchanger is small in size, the distance scale is also small.
    The plate heat exchanger has a higher anti-freezing ability, because when water is at a low flow rate, it can form a high degree of turbulence in the plate heat exchanger, the temperature spread is very uniform, and then the freezing tendency of frozen water is reduced. Even if freezing occurs, it is more able to accept the pressure generated by freezing, instead of simply cracking the heat pipe like a shell and tube heat exchanger, and can continue to operate after freezing.

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    Contact: Zibo Taylor Heat Exchange Equipment Co., Ltd.
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