Compressed air water vapor content is determined by the temperature of the compressed air: keep unchanged compressed air pressure condition, reduce the temperature of the compressed air can reduce the water vapor content, and the excess water vapor condenses into liquid. Fluid Bed Dryer uses this principle to freeze compressed air by refrigeration. Therefore, the chiller has a refrigeration system. Its refrigeration system belongs to a compression refrigeration system, consisting of four basic components, such as a refrigeration compressor, a condenser, an evaporator, an expansion valve and so on. They are connected together by pipes to form a closed system in which the refrigerant continues to circulate in the system, changing states and exchanging heat with compressed air and cooling medium.
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