refrigeration dryer for compressed air  are divided into refrigerated dryers and adsorption dryers. Refrigerated dryers use refrigerants to cool compressed air to a certain dew point, then separate out saturated moisture in the air, and remove liquid water through a steam-water separator. Filter out, and then achieve the purpose of drying air.

The characteristics are: continuous work, no regeneration required, and low energy consumption. The adsorption dryer uses various adsorbents such as activated alumina and molecular sieve to adsorb the moisture in the compressed air, so as to achieve the purpose of drying the gas. This method can easily treat the pressure dew point of the compressed air to a temperature below the freezing point of water.

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