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R32 refrigerants compared with R410A refrigerant performance have?

by:Arkool     2020-08-03
Refrigerant is also called the refrigerating agent, commonly known as snow in some areas of the south. It is a cycle in the refrigeration system and through its own change of state in order to realize the refrigeration work material. Refrigerant in the evaporator cooling medium ( With air or water, etc. ) The heat absorption and evaporation, in the heart of the condenser heat transfer to the surrounding air or water and condensation. Such as ammonia and water, lithium bromide and water; Steam jet refrigeration machine water as refrigerant. Refrigerant is in air conditioning systems, through evaporation and condensation, the heat transfer of a substance. Alternative refrigerants R410A refrigerant in view of the current industry is widely applied and the circulation characteristics of refrigerant R32 theoretical analysis and experimental research, preliminary results showed that: 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 biggest rise in less than 2. 6%, R410A system pressure requirements and at the same time R32 system exhaust temperature than R410A biggest rise up to 35. 3 ℃, the existing compressor need to redesign; 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. Is better than 5%, the CO2 emission R410A; 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 ( Fire floor) The highest, the most difficult to burn, relative security; R410a relatively more stable performance. R32 inflammable, explosive, belong to the type of refrigerant is not yet mature, although less destructive power of atmospheric ozone layer, but after all, safety do not get effective verification. 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. Considering R32 has greater potential alternative R410A. Overall, with the use of refrigerant R410A refrigerant R32 or dominant. For future refrigerant greater breakthrough, maybe there will be other refrigerant replaced models.
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