Environmental protection refrigerants r32, air conditioning refrigeration r32 environmental protection is to point to

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refrigerants, also known as refrigerating agent, commonly known as snow in some areas of the south, 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 absorbed by the cooling medium ( With air or water, etc. ) Heat and evaporation, in the heart of the condenser heat transfer to the surrounding air or water and condensation.

complete thermodynamic cycle working medium in the machine. Learn it in low temperature by cooling heat of the object, and then transferred to the cooling water or air at higher temperatures. In vapor compression machine, can use at normal temperature or low temperature liquid working substance as refrigerant, such as freon ( Saturated hydrocarbons of fluorine, chlorine, bromine derivatives) The azeotropic mixed working medium ( A mixture of two kinds of freon according to certain proportion of azeotropic solution) , hydrocarbons ( Propane, ethylene, etc. ) , ammonia, etc. ; In the gas compression machine, the use of gas refrigerants, such as air, hydrogen, helium, etc, these gases is always in the refrigeration cycle gas; In absorption refrigerating machine, the use of absorbent and refrigerant binary solution as working medium, such as ammonia and water, lithium bromide ( Molecular formula: LiBr. White cubic crystal system crystallization or granular powder, easily soluble in water) And water, etc. ; Steam jet refrigeration machine water as refrigerant.

as the main characteristics of refrigerants have saturated vapor pressure, specific heat, viscosity, thermal conductivity, surface tension, etc. After 1960, the application of non azeotropic mixed working medium large amounts of experimental study, and has been used in the liquefaction of natural gas and its separation and so on. Application of non azeotropic mixed working medium single stage compression can get very low evaporation temperature, and can increase the capacity, reduce power consumption. It is directly related to the properties of refrigeration equipment refrigeration effect, economy, safety and operation management, thus understanding of refrigerants properties requirements cannot be ignored.

the above about the end of the refrigerant is introduced here, hope to bring you some help.

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