General situation of development of fin heat exchanger

Heat exchangers originated in Europe at the earliest, and the early products were simple in structure, small in heat transfer area, large in size and bulky. With the development of the heat exchanger industry, the production process has become more mature and perfect, and the product structure and function have shown a trend of diversification.

The replacement of heat exchangers has always been one of the most important research and development directions in the field of refrigeration equipment. In the refrigeration system, except for the compressor and throttling components, the rest of the components are mainly heat exchangers. The metal consumption of the heat exchanger is relatively large, and the weight and volume account for a relatively high proportion of the refrigeration equipment. Therefore, in order to reduce the weight and volume of the entire refrigeration system, designing a heat exchanger with a compact structure, light weight, small volume and good heat exchange performance is the main direction of the current heat exchanger development. Compared with other types of heat exchangers, the heat exchange performance of finned heat exchangers and microchannel heat exchangers is relatively better, and the volume can be relatively smaller under the premise of meeting the same cooling capacity. However, the microchannel heat exchanger has the disadvantages of easy accumulation of dust and frost, and the application scenarios are easily limited. In general, finned heat exchangers have the characteristics of good heat transfer performance and reliable operation.

Development trend of finned heat exchanger

A. Small diameter

There are many manufacturers of fin heat exchangers, and the market competition is relatively sufficient. The heat exchange tube diameter of the early finned heat exchanger was larger, with the gradual application of refrigerants with better heat capacity, and the requirements of refrigeration equipment manufacturers for heat exchanger consumables, weight and volume gradually increased. There is a trend of miniaturization in the diameter of heat exchange tubes. Applying a heat exchange tube with a small diameter to a heat exchanger can effectively reduce material consumption and refrigerant charging, and reduce the production cost of refrigeration equipment manufacturers.

B.  New refrigerant

As countries further strengthen their emphasis on environmental protection, the use of environmentally friendly refrigerants in refrigeration equipment has gradually become a hot spot and development trend in the market. The heat exchanger needs to have better sealing, which can better prevent the leakage of refrigerant and reduce the risk of explosion caused by refrigerant leakage. Under the premise of lightweight structure, miniaturization, and environmental protection of refrigerants, the small-diameter finned heat exchangers currently on the market can improve the heat exchange performance by using the characteristics of small diameters that can speed up the flow rate of the refrigerant.

Supplier recommended

There is an excellent fin heat sink manufacturer, Sanqian Technology Co., Ltd., which sells high-quality fin heat sink. If you want to know more about it, or are interested in our products, you can visit the website of Sanqian Technology Co., Ltd.