How is the heat transfer capacity of the combined cooler?

- Jul 15, 2019-

The traditional bulk type plate cooler has a use pressure of not more than 2.5 MPa and a use temperature of not more than 250 ° C due to its own structural limitations; therefore, in order to increase the use temperature and pressure of the plate cooler, a plurality of combined coolers are used. Such coolers have been increasingly used in the heating, cooling, condensation, evaporation and heat recovery processes of the chemical, petroleum, power, metallurgical and other fields.

 

When we use a combined cooler, generally the larger the heat exchange area of the cooler, the better the heat transfer effect of the heat exchanger. The greater the total thermal resistance during the heat transfer of the cooler, the most positive measure to enhance the heat transfer of the cooler is to try to increase the heat transfer coefficient of the equipment.

 

The heat transfer coefficient of the combined cooler is actually determined by the total thermal resistance of the heat transfer process. The lower the heat transfer coefficient value of the cooler, the lower the heat transfer coefficient value of the cooler, and the worse the heat transfer effect of the cooler. In order to increase the heat transfer coefficient of the cooler. It mainly includes the use of threaded tubes, transverse tubes, zoom tubes, large lead multi-groove tubes, integral double-sided spiral fin tubes in the cooler, and scrambled carriers in the cooler tubes to enhance heat transfer within the tubes.

 

Among them, the combination of the turbulent flow additive in the combined heat exchanger tube for heat transfer has been used in the industry for many years, which can significantly improve the total heat transfer coefficient of the cooler, and can greatly save the heat transfer area of the cooler. , to reduce the weight of equipment, save a lot of metal materials, many advantages have been increasingly attract people's attention.

 

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