How to evaluate the superiority of refrigerant

at present, in the air conditioning refrigeration industry, in addition to automotive air conditioning industry, and other fields of refrigeration equipment such as: household refrigerator, freezer, air conditioning, food refrigeration, transportation, refrigeration equipment, quick-freezing machine, air conditioner, etc. Basically, or transitional refrigerant R22 as the main product.

from the main chiller manufacturers of domestic products, piston, the vortex type water chiller widely used as refrigerant R22; Screw water chiller using R22 and R134A has a refrigerant, but overall sales from 2001 screw water chillers, adopting occupies a considerable proportion of the sales of R22 refrigerant; Centrifugal chiller using R22 as refrigerant, R123 and everything, R123, everything products market sales accounted for about 40% of the total.

to evaluate the stand or fall of a refrigerant, I think should consider the following factors:

1. Ozone depletion ozeme depletion potential ( ozeme耗尽潜力) Hereinafter referred to as the odp values;

2。 Global warming ozeme depletion potential ( 全球变暖潜力) , hereinafter referred to as GWP value;

3。 Ideal cycle condition refrigeration coefficient ( coefficientofpeRfoRmAnce) , hereinafter referred to as the cop value; Refrigeration system (also called refrigeration coefficient of performance, is the Refrigerator) One of the important technical and economic indicators. Refrigeration performance coefficient is big, said refrigeration system ( Refrigerator) Energy efficiency is high. This is related to the refrigerant type and the working conditions of a coefficient, theoretical refrigeration coefficient of performance can be up to 2. 5 ~ 5.

although everything, R407c, R410A of ozone destruction is 0, but the index of the greenhouse effect is R123 more than ten times as much; And from the point of view of its life, R22 and R134A has a 10 times longer than R123, longer service life, the more R22 and R134A has a accumulated in the atmosphere, the greenhouse effect hidden danger is more and more big, the accumulation of long time will form the pathological indigestion.

now in general R22 air conditioner refrigeration industry, the main reason is R22 in the air conditioning temperature zone with superior physical properties and cooling performance, and the performance is stable, mature technology, low price. HFC is a class as there is no damage to the ozone layer, is considered to be replace as material in the future. The main material used to replace R22 has everything, R407c, r410a, but these HFC class material due to the limitation of physical properties, many technical problems is still up in the air, are not ideal of R22 alternative, especially is currently widely used in household R410A frequency conversion air conditioning, the industry is generally accepted that it is only a transitional product, from the refrigeration efficiency, not necessarily R410A and R22 than better.

the above about the end of the refrigerant is introduced here, hope to be able to bring you some help, if you have a demand on refrigerant, welcome consultation discussion with us, we wholeheartedly at your service.

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