Air conditioning compressor refrigerants R410 and R22

about air conditioning refrigerant R22 compressor, commonly known as freon, around the world are gradually reduced using amount, according to the file to clarify, screening progress of R22 in China since the beginning of 2013, to 2015 reduced 10%, to 2020, then reduced 35%, is expected to stay 2 in 2030. The amount of 5% for service. The selection of refrigerant R22 is not just because of atmospheric pollution. Small make up today to share with us is optimal defects of refrigerant r410a and R22 as refrigerant. Compressor refrigerants R410A while due to the environmental protection field, but its defects. 1, R410A due to low toxicity, no combustion convey, R22 non-combustible also; No damage to the ozone layer 2, R410A and R22 damage to the ozone layer has killed; 3, bigger than R22, R410A system total heat transfer characteristics of heat transfer efficiency is high, the heat exchanger can be miniaturized; 4, R410A system refrigeration capacity better, R22 was 100%, 147% R410A; 5, R410A for HFC - 32 ( R32） And HFC - 125 mixture refrigerant; 6 work pressure is higher than R22, R410A 50 ~ 70%, about 1. Six times; 7 than R22, R410A refrigerant vapor density is big, so R410A steam flow rate compared with R22 slow about 30%; 8 is more soluble than R22, R410A. Particles floating in R410A, would be able to circulate in the system; Higher request of the copper tube, 9, R410A and R22 to use ordinary brass; 10, R410A question: can produce greenhouse gas, it happen more than the greenhouse effect and also part of R22.

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