Natural environmental protection refrigerants popular

Since 2010, our country in the performance of the Montreal protocol on accelerate elimination as tasks, in 2013 as production and consumption to freeze in the average of 2009 and 2010, 2015 to eliminate dosage of 10%, to 2030 full stop as in the use of new products. At present, which is widely used in refrigeration industry, R22 refrigerant and the refrigerant is not only the destruction of the ozone layer has obvious effect, and the greenhouse effect is remarkable. According to the regulation, the world will be full limit the use of R22 in 2030. Looking for R22 alternative working medium, refrigeration industry has become the most urgent task. - - - - - - According to reporter understanding, begin from 2010, our country in the performance of the Montreal protocol on accelerate elimination as tasks, in 2013 will as the production and usage to freeze in 2009 and 2010, average 10% in 2015 to eliminate the dosage, 2030 will fully stopped as in the use of new products. At present, which is widely used in refrigeration industry, R22 refrigerant and the refrigerant is not only the destruction of the ozone layer has obvious effect, and the greenhouse effect is remarkable. According to the regulation, the world will be full limit the use of R22 in 2030. Looking for R22 alternative working medium, refrigeration industry has become the most urgent task. It is reported, on July 14, 2011, the world's first article hydrocarbon refrigerants R290 air-conditioners demonstration line officially completed in zhuhai gree electric appliances, and smoothly passed the china-germany joint site acceptance of the panel, the two countries reached the international leading level, it marks the industry watches R290 refrigerant air conditioning formal production. When many domestic enterprises in the research and development new refrigerant, headed by the giant compressor danfoss foreign companies began to promote CO2 refrigerant. Actually the CO2 refrigerant has been used in many years ago, when synthetic agent before disregard of the industry. And when people began to rethink refrigerants, natural refrigerants is causing concern in the industry once again. It is understood that carbon dioxide has high density and low viscosity, less the flow loss, heat transfer effect is good, and through the strengthening of the role of heat transfer, can make the loop is not high up. At the same time, carbon dioxide environment excellent performance, low cost, easy access, good stability and is beneficial to reduce the device size. Most importantly, the safe non-toxic, nonflammable, it has obvious advantages than R290. At present the research and application of carbon dioxide are mainly concentrated in the following three aspects: on the one hand is car air conditioning field, because of the refrigerant emissions, the harm to the environment is also big, refrigerant must be with no harm to the environment as soon as possible; The second aspect is the heat pump water heater, heat in supercritical carbon dioxide conditions down there is a fairly large temperature glide, makes the hot water heated to a higher temperature; The third aspect is considering the low carbon dioxide good mobility and heat transfer characteristics, using it as a cascade refrigeration cycle level of refrigerant in low temperature. Air conditioning refrigeration market experts believe that as as refrigerants, as the air conditioning industry, need to speed up the development of new environmental protection refrigerants, and the natural working substance of refrigerant will be more and more popular.
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