Desiccant Type Air Dryers

  • Capacity: 3.8 – 160 m3/min
  • Max. Pressure : 16 Bar

There are 2 types of Desiccant Air Dryers

  • Desiccant Air Dryer -Heatless Purge
  • Desiccant Air Dryer -Externally Heated Purge
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Description

Desiccant Air Dryer -Heatless Purge

Although the machine will consume some air, the comprehensive energy consumption are largely lower than the heat sourced regenerative dryer based on variable temperature adsorption, so it is a widely used air compressing and drying machine at present.

According to the principal of PSA, the moisture in the air will be adsorbed and compressed with the special appetency of the sorbent on the steam. The machine is of two-tower structure. Under the control of PLC, the two towers will run alternately. One tower adsorb the moisture under high pressure and another tower complete the desorption of steam with the dry air produced by itself, thus keeping running circularly. Although the machine will consume some air, the comprehensive energy consumption are largely lower than the heat sourced regenerative dryer based on variable temperature adsorption, so it is a widely used air compressing and drying machine at present.

Working condition and technical data:

  • Purge air: ≤ 12~15%
  • Working pressure: 0.6~1.0Mpa
  • Inlet oil content: ≤ 0.01ppm
  • Outlet air pressure dew point: -20 ~ -40C
  • Desiccant: Activated aluminum or Molecular siere
  • Working periods: 4 ~ 20minutes
  • Inlet temperature: 0~45C
  • 3.8Nm3/min-160Nm3/min Heatless Purge Desiccant Compressor Air Dryer

 


 

Desiccant Air Dryer -Externally Heated Purge

One tower adsorb the moisture under high pressure and another tower complete the desorption of steam with the dry air produced by itself under low pressure and high temperature, thus keeping running circularly. The air consumption of the machine is lower than the heatless regenerative dryer, but some electric power should be consumed to heat the regenerated air.

According to the principal of PSA and TSA, the moisture in the air will be adsorbed and compressed with the special appetency of the sorbent on the steam. The machine is of two-tower structure. Under the control of PLC, the two towers will run alternately. One tower adsorb the moisture under high pressure and another tower complete the desorption of steam with the dry air produced by itself under low pressure and high temperature, thus keeping running circularly. The air consumption of the machine is lower than the heatless regenerative dryer, but some electric power should be consumed to heat the regenerated air.

Working condition and technical data:

  • Purge air: ≤ 4~6%
  • Working pressure: 0.4~1.0Mpa
  • Inlet oil content: ≤ 0.01ppm
  • Outlet air pressure dew point: -20 ~ -70C
  • Desiccant: Activated aluminum or Molecular siere
  • Working periods: 60 ~ 180minutes
  • Inlet temperature: 0~45C
  • 1.2Nm3/min-160Nm3/mi

 

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