Friends who are familiar with the cold water machinery and equipment industry naturally know that refrigeration compressors are the core energy-consuming components of the refrigeration system, and the most direct and effective way to improve the efficiency of the refrigeration system is to increase the efficiency of the compressor, which will directly bring a significant reduction in system energy consumption. . Compared to taking measures on the system (such as blindly increasing the area of the heat exchanger), the large increase in material consumption is obviously much more effective. With the increasing shortage of energy in the world, various countries are paying more and more attention to energy saving work, and have made higher and higher requirements for the efficiency of energy-consuming products.
Due to the existence of various losses such as friction, leakage, harmful heat transfer, motor loss, flow resistance, noise vibration, etc., the actual efficiency of the compressor during operation is much lower than the theoretical efficiency. Therefore, in theory, any measure that can reduce any kind of loss can improve the efficiency of the compressor. This objective fact has led to a wide range of research and directions for energy conservation of compressors, with various research topics and research results. The international research work on compressor energy conservation mainly focuses on several aspects: research on lubrication characteristics and friction characteristics of compressor bearing parts to reduce friction power consumption and improve compressor efficiency; reduce leakage losses to improve compressor efficiency; use frequency conversion Or the variable capacity technology achieves energy saving through the best matching of the output of the refrigeration system and the user's load. In this regard, especially the frequency conversion technology has been relatively mature and widely known.
In addition to the research focus mentioned above, the research on gas valves is also an eternal subject. The study of improving the design of gas valves to improve the efficiency of compressors is never ending and has a lot of gains. There is a lot of research in this area, ranging from valve materials, motion laws, structural optimization to applicable theory and test methods.
In short, no matter what kind of component improvement is being used to improve the performance of the compressor, research on compressor energy conservation has become a hot issue in the refrigeration industry and chiller , and the continuous improvement of product performance is also beneficial to the industry's products. Quality and brand words are very positive in general.
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