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Air drying machines are mainly used for drying machines.
The "air drying machine" uses a heat pump to condense water vapor on a cold plate and discharge it from a relatively enclosed insulation board room through a closed drying air cycle, achieving the purpose of dehumidification and drying.
Working principle(1) Compression process: The low-temperature and low-pressure refrigerant gas is compressed by the compressor into high-temperature and high-pressure gas. At this point, the work done by the compressor is converted into the internal energy of the refrigerant gas, causing an increase in temperature and pressure, which is thermodynamically called an adiabatic process.
(2) Condensation process: The high-temperature and high-pressure refrigerant gas coming out of the compressor flows through the condenser and continuously releases heat to the outside using wind or water, condensing into medium temperature and high-pressure refrigerant liquid. When the refrigerant temperature decreases but the pressure remains constant during liquefaction, it is thermodynamically called an isobaric process.
(3) Throttling process: The medium temperature and high pressure refrigerant liquid coming out of the condenser is throttled by the throttling device to become a low-temperature and low-pressure refrigerant liquid. In thermodynamics, it is called an isentropic process.
(4) Evaporation process: The low-temperature and low-pressure refrigerant liquid coming out of the throttling device flows through the evaporator and continuously absorbs heat indoors with wind or water, evaporating into low-temperature and low-pressure refrigerant gas. The absorbed heat becomes the latent heat of the refrigerant, and although the temperature does not increase significantly, the internal energy increases significantly. Due to the small change in pressure, it is thermodynamically referred to as an isobaric process.
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