Air conditioning refrigerant replacement should be sped up

air conditioning industry is closely related to the environment. 'The room air conditioner to achieve environmentally friendly development, development of environmental protection is very important aspect of refrigerant substitution. 'Environmental protection environmental protection projects three, deputy director of the center in co-operation with foreign countries zhi-feng zhong stressed that to the world of air conditioning are produced in China, for China's enterprises, every technical transformation needs to pay a heavy price, accelerate the process of refrigerant replacement has become the industry consensus.

refrigerant alternative development comes from to the protection of the ozone layer. In close formation, ozone is a pollutant. But at an altitude of 10000 meters to 30000 meters, the ozone layer can block ultraviolet radiation is harmful to the human and ecological system. If do not have the ozone layer, let the shortwave and parts of uvb rays of the sun shone the earth, the earth's ecological system may be fatal damage.

in the 1970 s, the Antarctic ozone hole was found. It studies found that it is by man-made chemicals released into the atmosphere after the destruction of the ozone layer, and man-made refrigerants is an important source of damage.

the Vienna convention for the protection of ozone layer and the Montreal protocol on the loss of the ozone layer material is designed to reduce human emissions into the atmosphere ozone-depleting substances ( ODS) The two international conventions. In under the guidance of the convention, at present, the world has eliminated 98% of the production and use of ODS. 2016 people observation found that the Antarctic ozone hole in the contract. Previously, the hole in the ozone layer has been expanding at an annual rate of 5% ~ 10%. According to now the hole in the ozone layer is expected to recover in 2065 to 1980 levels.

zhi-feng zhong, deplete the ozone layer of the species are many. In the 1970 s found that the destruction of the ozone layer in is CFC refrigerants, turned to ozone destructive lower half environment-friendly refrigerant, and then converted to r410a such greenhouse gases. The next generation of R22 refrigerant R410a is, although it does not destroy the ozone layer, but has a strong greenhouse effect. Reached last year 'Kigali amendment', is to cut such as R410a, R32 such as refrigerant in the greenhouse effect is very high.

on the loss of the ozone layer material of the Montreal protocol successfully run one of the most important reason is that its requirements contract parties to perform common but differentiated responsibility, namely the developed countries and developing countries should bear joint responsibility, but this kind of responsibility is different. This also reflected on the amendment to Kigali.

the cuts have been successfully completed in 2015, is now moving in the 2020 cuts. At this stage to reduce the emissions of the main work is eliminated if the room air conditioner using green refrigerant R22 refrigerant such half. In the process of refrigerant replacement, can choose the room air conditioner industry as developed countries by R22, transition to R410a can cross the stage development of R410a R290 and R290 is in the nature of the material, is a synthetic. 'China should try to cross the R410a and R32 half development stage of the environment-friendly refrigerant directly towards R290 phase. 'Zhi-feng zhong said.

at present, our country has been transformed more than 20 air conditioner compressor production line, basically have the production capacity of R290. At the same time in order to solve the R290 in marketing standard barriers faced by the association of environmental protection and electrical appliances, household appliances institute a perfect the standard system, in terms of product safety has been clear about the production, transportation, installation, maintenance and so on each link of the standard requirements. Technology works, installation and maintenance training in advance.

according to the plan, 'much starker choices-and graver consequences-in' period, the room air conditioner industry in China to phase out more than 20000 tons of R22 dosage, and further expand the production capacity, advanced reformation including household air conditioner, household heat pump water heater industry about 25 equipment production line and 3 ~ 4 compressor production line. Zhi-feng zhong pointed out that the environmental protection department of industrial associations, enterprises, scientific research institutions, accelerate the promotion of R290 strength technology research and development, to the promotion of room air conditioner refrigerant and alternative work.

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