how to choose refrigerants, this chemical solutions for you:
1, the lower boiling point a, thermodynamics aspect, can obtain low evaporation temperature 2, higher critical temperature, condensation temperature is lower. 3, refrigerant is suitable for the working pressure of 4, refrigerant latent heat of vaporization to big 5, about large refrigeration system, refrigerant refrigerating capacity as large as possible the unit volume 6, the smaller refrigerant adiabatic exponent of centrifugal compressor, the relative molecular mass should choose the refrigerant 8, coefficient of thermal conductivity of moderate to high school, physics, chemistry 1, 2 smaller viscosity of refrigerant, refrigerant, purity of 3, refrigerant better thermal and chemical stability, high temperature is not easy to divide 4, refrigerant soluble oily show is completely dissolved, micro dissolve and completely insoluble. 5, refrigerant as small as possible on the effects of coil insulation
3, 1, refrigerant safety in the blasting working temperature scale should not burning, not 2, refrigerant should be non-toxic or low toxic, relatively good safety 3, choose easy leakage of refrigerant 4, select no harm to the health of human body, without excitant odour four refrigerants, a new study has found that the environmental impact, some chemicals may have an impact on the global environment, has caused the attention of the international community. The selection of refrigerant should be satisfied with the following requirements: ( 1) In a lower stature in the atmosphere. ( 2) Potential damage to the ozone layer effect. ( 3) Potential global greenhouse effect. ( 4) No optical haze, impact on the atmosphere, water and soil, etc. Five, the economic aspect production technology of 1, the refrigerant to a brief, lower production cost. 2, refrigerant to cheap and easy.
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