Common applications and advantages of R290

R290 (propane), also known as cold coal, is a new type of environmentally friendly refrigerant, mainly used in central air conditioners, heat pump air conditioners, household air conditioners and other small refrigeration equipment. High-purity R290 is used as a temperature-sensing working fluid; premium and first-grade R290 can be used as a refrigerant to replace R22, R502, compatible with the original system and lubricating oil, and used for central air-conditioning, heat pump air-conditioning, household air-conditioning and other small refrigeration equipment , Can also be used for metal oxygen cutting gas.

At present, the global r410a patent rights are controlled by a few foreign companies such as DuPont, Honeywell, and Daikin. The R410a refrigerant used by domestic air-conditioning companies adds high replacement costs, and the issue of patent fees has become a problem for many air-conditioning companies. How to no longer be controlled by others, air-conditioning companies can only gain the initiative through independent research and development. Compared with artificial working fluids such as R410a, R290 hydrocarbon refrigerant has a lower cost and can be directly obtained from existing liquefied gas. It has the advantages of energy saving and environmental protection, no damage to the ozone layer, and no greenhouse effect. It is a substitute for air conditioning refrigerants. The focus of the direction. Such advantages make my country's mainstream air-conditioning companies have been committed to R290 related products research and development and experiments.

The industry believes that the R290 refrigerant air-conditioning research and development has opened up a new way out for my country’s refrigeration industry, and has not only made my country’s refrigeration industry break through the developed countries’ Technology monopoly, and it is of great significance to promote the healthy development of the refrigeration industry. Zhang Wei, director of Gree Electric’s corporate management department, told the reporter of 'China Electronics News': 'Gree has been actively carrying out cutting-edge research on new environmentally friendly refrigerants, such as the application of R290 instead of R22 refrigerant in air conditioning.'

In recent years, the environmentally friendly refrigerant alternatives that have attracted the attention of Chinese and foreign air conditioner manufacturers have been recognized by the government for the first time. Wen Wuri, director of the Environmental Protection Foreign Cooperation Center of the Ministry of Environmental Protection, disclosed for the first time in a public event that my country is studying the use of hydrocarbons as new environmentally friendly refrigerants to gradually replace existing air conditioning refrigerants on the market. In the process of R290 application exploration, GMCC, which adheres to the concept of 'One EarthGMCC gradually completed the R290 ultra-low oil volume technology certification and the revision of the internal standard for R290 compressor development.

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