The working principle of adsorption dryer accessories


Adsorption dryers achieve drying effects through "pressure changes", Adsorption dryer accessories play a crucial role. Because the ability of air to retain water vapor is inversely proportional to pressure, part of the dry air (called regeneration gas) is depressurized and expanded to atmospheric pressure.

 The working principle of adsorption dryer accessories

This pressure change dries the expanded air, which is then regenerated through the desiccant layer of the adsorption dryer accessories (i.e., the drying tower has already absorbed enough water vapor). The dried regenerated gas draws out the moisture from the desiccant and carries it out of the dryer, achieving the purpose of dehumidification. The two-tower cycle in the adsorption dryer accessories continuously supplies dry compressed air to the user's gas system without a heat source.

Refrigerated dryer working principle:

High-temperature compressed air flows into the pre-cooler (for high-temperature models) in the adsorption dryer accessories to dissipate heat, then flows into the heat exchanger to exchange heat with cold air, and is discharged from the evaporator to reduce the amount of air entering the evaporator. The compressed air temperature of the unit.

The heat-exchanged compressed air flows into the evaporator, exchanging heat with the refrigerant through the evaporator's heat exchange function. The heat in the compressed air is carried away by the refrigerant, and the compressed air is rapidly cooled. The moisture in the humid air reaches saturation temperature and rapidly condenses. The condensed water condenses into droplets and rotates at high speed through a unique gas-water separator. The water is separated from the air by centrifugal force, and the separated water is Adsorption dryer accessories discharged by the automatic drain valve. The pressure dew point of the cooled air can be as low as 2°C.

The cooled cold air flows through the air heat exchanger and exchanges heat with the wet and hot air at the inlet. When the cold air after heat exchange absorbs the intake heat and warms up, the compressed air is again heat-exchanged with the high-temperature refrigerant through the secondary condenser of the refrigeration system, thus fully heating the outlet temperature and ensuring no condensation in the outlet air pipe. At the same time, the wind cooling source is fully utilized to ensure the condensation effect of the machine's refrigeration system and the air quality of the machine.

Adsorption compressed air dryers use the pressure swing adsorption principle. When humid air passes through the adsorbent, the moisture is adsorbed by the adsorbent, producing dry air.

  Adsorption dryer accessories A large amount of air discharged by the compressor in flows into the compressed air intake pipe, enters the operating tower of the two towers through the air valve, and the moisture in it is adsorbed and dried by the compressor. Adsorbent. When the airflow reaches the top of the tower, all the moisture in the air is absorbed, thus achieving the purpose of drying. The standard time for the entire cycle is 10 minutes, with each tower running for 5 minutes. One tower is in operation (operating tower), and the other tower is in regeneration (non-operating tower).

 

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