In the freezer refrigeration oil which need to reach standard

in order to make the freezers function, reduce the internal friction heat production is necessary, you will need to use lubricant freezing oil. So what's the requirement standard freezers for this product? price collected the knowledge and skills, share to you right now. In terms of the air-conditioner compressor all moving parts surface must be used lubricating oil, in order to reduce wear and tear. Refrigerating compressor surface called a frozen oil, lubricating oil used by frozen oil for short. Frozen oil also take the running-in surface friction heat, thereby limiting the rise of temperature of the compressor, the compressor is improved working conditions. Compressor between piston and cylinder wall, polished surface of the shaft sealing wax oil, not only has lubricating effect, and the sealing function, can prevent the leakage of refrigerant. The commercial freezer price - Freezers and requirements on the performance of the frozen oil, frozen oil and refrigerant strong solubility, and with the refrigerant entering the condenser and evaporator, therefore, freezers need to frozen oil to lubrication and cooling effect to the moving parts, but not adverse effects to the refrigeration system. So, the physical, chemical and thermal properties of frozen oil shall meet the following requirements. ( 1) Appropriate viscosity. Viscosity is said fluid viscosity size quantities. Viscosity is divided into two kinds of dynamic viscosity and movement viscosity, viscosity decreases with the rise of temperature, and increases with pressure. Standard. Frozen oil, therefore, usually divided into motion viscosity value to brand, air-conditioner refrigerant to use different viscosity of frozen oil. Such as R12 and frozen oil solubility is strong, make thin frozen oil, frozen oil of high viscosity should be used. Refrigeration system operating temperature is low, low viscosity of the frozen oil should be used: refrigeration system has high working temperature, high viscosity of the frozen oil should be used. High rotation speed reciprocating compressor and rotary compressor refrigeration oil of high viscosity should be used. ( 2) Cloud point lower than the evaporation temperature. The frozen oil residues have traces of paraffin, when the temperature drops to a certain value, the wax began to precipitate, then known as cloud point temperature. Frozen oil cloud point must be below the evaporating temperature of refrigeration system, because the air-conditioner of frozen oil and refrigerant dissolve each other, and as the refrigerant cycle through the relevant part of the refrigeration system, frozen after the precipitation of paraffin oil, will be blocked parts throttle hole and narrow, or deposited on the inner surface of the evaporator coil, affect the heat transfer effect.
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