Application of screw chiller:
The power of screw chiller is relatively larger than that of vortex chiller, which is mainly used in central air-conditioning system or large-scale industrial refrigeration.
Classification of screw chillers:
Screw chillers can be divided into water-cooled screw chillers and air-cooled screw chillers according to different heat dissipation modes.
Principle of screw chiller:
Screw chiller is named because its key component compressor is screw chiller. The gas refrigerant from the evaporator is; After adiabatic compression by the compressor, it becomes high-temperature and high-pressure. The compressed gas refrigerant is cooled and condensed under equal pressure in the condenser. After being condensed, it changes into liquid refrigerant, and then expands to low pressure through the throttle valve to become a gas-liquid mixture. Among them, the liquid refrigerant under low temperature and pressure will absorb the heat of the cooled material in the evaporator and become the gaseous refrigerant again. The gaseous refrigerant enters the compressor again through the pipeline to start a new cycle. This is the four processes of refrigeration cycle, which is the main working principle of screw chiller.
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