Current home air conditioning is used to replace R22
refrigerant, basically only refrigerant R410a and R32, refrigeration wikipedia today about the R22, R410a and R32 point features simple comparison analysis.
1, the thermal physical properties: R32 filling volume can be reduced, only for R410a 0.
System working pressure is 71 times, R32 R410a is high, but the big rise in less than 2.
system pressure requirements and at the same time R32 system exhaust temperature higher than R410A 35.
2, environmental protection features: the ODP values (
Ozone-depleting ozeme depletion potential)
Are 0, but R32 GWP value (
Global warming ozeme depletion potential)
Moderate, compared with R22 CO2 emission reduction ratio of up to 77.
Only 6%, while the R410a to 2.
R410a is obviously better than the 5%, in terms of CO2 emissions.
3, safety: R32 and R410a are non-toxic, flammable and R32, but in several kinds of R22 alternative R32, R290, R161, R1234YF, R32 combustion limit LFL (
The most high, for this kinds of refrigerants, R32 won't burn.
4, loop performance: in terms of performance in theoretical cycle, refrigerating capacity is higher than R410a 12 R32 system.
6%, power consumption increases 8.
1%, comprehensive energy saving 4.
3%, the experimental results also show that the refrigeration system can effect comparing is slightly higher than R410a R32.
Part feature comparison of three kinds of refrigerants listed in the table below:
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