Cold storage screening refrigerants

it is in the cold storage refrigeration equipment refrigerant refrigeration cycle using a cooling medium in the system. And be able to play the role of a heat transfer.

a, built in cold storage and cold storage design, the function of the refrigerant is mainly through its change of state to transfer heat, it constantly cycles in the refrigeration system, under pressure from the transpiration, liquid cooling system can absorb heat transpiration into a gas, and under the condensing pressure. Gaseous refrigerant gives off heat and liquefaction, heat in continuous circulation system equipment handling, so the refrigerant in the refrigeration system material transfer heat is no less homework.

2, refrigerant should has the following functions: refrigerants should have outstanding thermal, physical, chemical, environmental protection and other aspects of the function, thoroughly ambitions for the refrigerant doesn't exist, but you should try to better refrigerant selection function.

1, unit volume refrigeration to have thrown, because of the greater the cooling ability, at the request of the refrigerating capacity, the smaller the refrigerant flow, it can reduce the volume of refrigeration equipment.

2, transpiration, moderate pressure and condensing pressure and also that said, at room temperature should be lower condensing pressure, the refrigerant evaporation pressure best near atmospheric pressure. And even higher than the atmospheric pressure, appropriate chooses boiling point lower material under the atmospheric pressure.

3, easy to choose the usual condensing cooling water or air, also is the critical temperature of refrigerant.

4, low pressure setting temperature.

5, the request of refrigerant density and low viscosity, density of refrigerant xiaoke decrease the diameter of pipeline will also decline compressor power consumption.

6, high coefficient of thermal conductivity, heat, heat power to progress.

7, has a stable chemical properties, at any temperature should not be divided or combined, no corrosion to the pipeline, the oil should be no chemical reaction, the solubility of lubricating oil should be moderate. Can drop the dissolution of infinite refrigerating capacity.

8, should be nontoxic and no effect to the person, not easy burning explosion.

this release of the refrigerant, freon manufacturers, for details, please click on the query.

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