In a dryer, the reading of evaporation temperature (evaporation pressure) cannot be used to replace the “pressure dew point” of compressed air.
What is dew point? What does it relate to?
Unsaturated air reduces the temperature while keeping the water vapor pressure constant (ie, maintaining the absolute water content constant), so that the temperature at which it reaches saturation is called the “dew point”. When the temperature drops to the dew point, condensed water droplets will precipitate in the wet air.
Knowledge of the dew point temperature of air compressor
The dew point of wet air is not only related to temperature, but also related to the amount of moisture in the moist air. The dew point with high water content is high, and the dew point with low water content is low.
