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Freeze dryer uses the physical principle, the water in the compressed air refrigerationto dew point below, air dryers to precipitate from the air. Limited to the freezing point of water temperature, theoretically, its dew point temperature close to 0 degrees, the actual situation, the freeze dryer dew point temperature generally good at 5 degrees.Henderson refrigerated foreign imports of compressed air dryer can generally reach thedew point.

The 2 Principle

Compressed air refrigeration dryer moist heat flows into the precooler (high temperature type special) radiating into the heat exchanger for heat exchange with the cold air discharged from the evaporator, the evaporator into the temperature of the compressed air to reduce.

Heat transfer of compressed air flowing into the evaporator through the heat function and the refrigerant heat exchange of the evaporator, the compressed air in the heat byrefrigerant away rapidly cooling air, compression, moisture moisture in the air to the saturation temperature rapid condensation, condensation water agglomerated after the formation of droplets, through a unique gas water separator for high speed rotating,water effect of separated from the air by centrifugal force, after the separation of waterdischarged from the drain valve. Cooling after the air dew point pressure, the minimum to 2 degrees. The cooled cold air flows through the air heat exchange with the entrance to the high-temperature wet hot air by the heat exchanger, the heat exchange of the cold air temperature for enhance the absorption of the entrance of air heat, while the compressed air through the condenser refrigeration system two (peer unique design)and temperature of the refrigerant heat exchange to export again the temperature sufficiently heated, to ensure that the outlet air line no dew. At the same time, make full use of the cold source outlet air condensing effect, ensure machine refrigerationsystem, ensure the quality of machine outlet air.