Several common cold media

refrigeration letters according to the Montreal protocol and the Kyoto protocol, the world containing fluorine refrigerant capacity will gradually be eliminated, Europe and the United States and other western developed countries has basically completed the refrigerant replacement in 2010, our country will be shut down in succession since 2013. At present, because of the lack of independent research and development of alternative refrigerants technology, refrigerant replacement of China refrigeration and air conditioning industry faces problems will seriously restricts the development of the industry. Below is the current our country in several common on the market for the inventory.

R22, scientific name two fluorine a the methane of cl, at room temperature, are colorless, odorless gas R22, not burning, explosion, corrosion, belongs to the safety of refrigerants, through to R22 pressure can make its liquefaction is colorless transparent liquid. Refrigerant R22 is a kind of low temperature, can be obtained The refrigeration temperature of 80 ℃. R22 were widely used in refrigeration equipment, is currently the are big, wide application range of a refrigerant varieties, but belong to R22 as refrigerant, will be restricted and prohibited in our country.

everything, as a widely used in low temperature environmental protection refrigerants, because it has good comprehensive performance, make it become a kind of very effective and safe CFC - Substitute for 12, is mainly used in including refrigerator, water dispenser, air conditioning, cold storage, and other fields, everything does not contain chlorine atoms, damage to the ozone layer can't afford to, has a good safety performance, Non-flammable, not explode, non-toxic, without excitant, non-corrosive) ； The refrigerating capacity and efficiency and CFC - 12 is very close, so be regarded as good long-term alternative refrigerants.

is a refrigerant r404a consists of HFC class material mixed refrigerants, do not contain any ozone-depleting substances, its ODP value is zero, it is used in the field of commercial refrigeration system r114 and long-term substitute for R22. R404a are widely used in city frozen cabinet, refrigerator, cabinets, transport refrigeration, ice machine, etc. Is the current domestic air conditioning ZhiLengYe new refrigerant utilization rate is high.

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