Desiccant Air Dryers

The desiccant air dryer uses molecular sieve or alumina as the desiccant to adsorb moisture in the compressed air under a certain working pressure. Then, re-lead a part of dry air from the dryer outlet for desorption at atmospheric pressure. One tower is for water adsorption and another for desorption and regeneration. The two towers work continuously to provide the air consuming equipment with dry, clean compressed air.

The twin tower dryer is widely used for outdoor applications requiring compressed air in cold areas, indoor applications requiring compressed air of long-distance pipeline transportation, and manufacturing process requiring deep drying, such as advanced spraying, jet flow control, polyester spinning, etc.

According to the demand on the air consumption for regeneration, the desiccant air dryers are divided into no heat type and micro heat type.

Working Conditions and Technical Specifications
Intake air temperature: ≤ 40 ℃ (Max.: 80 ℃)
Working pressure: 0.6-1.0MPa
Dew point: ≤ - 40℃
Pressure loss: ≤ 0.03Mpa
Regeneration mode: no heat regeneration
Desiccant: Activated alumina
Regeneration air consumption: ≤ 15% (7%)
Control mode: Microcomputer automatic control
Installation method: Indoor, anchor bolt installation
Technical Parameters of No Heat Regeneration Desiccant Air Dryer
Model Handling capacity Inlet and outlet pipe diameter Dimensions
L×W×H (mm)
Net weight
(kg)
(m3/min)
DH-12 1.2 G1 840×350×1510 110
DH-26 2.6 G1 840×350×1810 121
DH-36 3.6 G1 1070×500×1590 250
DH-55 5.5 G1 1/2 1070×500×1590 380
DH-69 6.9 G1 1/2 1200×500×1900 405
DH-85 8.5 G 2 1200×500×2200 495
DH-110 11 G 2 1300×550×2000 500
DH-135 13.5 G 2 1300×550×2180 550
DH-170 17 DN 65 1300×550×2180 600
DH-220 22 DN 65 1500×600×2100 625
DH-270 27 DN 80 1500×600×2100 700
DH-320 32 DN 80 1500×600×2100 725
DH-450 45 DN 100 1600×700×2350 850
DH-550 55 DN 100 1800×800×2520 1055
DH-650 65 DN 100 2140×1000×2700 1810
DH-850 85 DN 125 2400×1150×2720 2420
DH-1100 110 DN 150 2800×1400×2870 2800
DH-1400 140 DN 150 3210×1420×3150 3300
Technical Parameters of Micro Heat Regeneration Desiccant Air Dryer
Model Handling capacity Inlet and outlet pipe diameter Dimensions
L×W×H (mm)
Net weight
(kg)
(m3/min)
WDH-36 3.6 G1 1070×500×1590 300
WDH-55 5.5 G1 1/2 1070×500×1590 450
WDH-69 6.9 G1 1/2 1200×500×1900 480
WDH-85 8.5 G 2 1200×500×2200 525
WDH-110 11 G 2 1300×550×2000 550
WDH-135 13.5 G 2 1300×550×2180 595
WDH-170 17 DN 65 1300×550×2180 650
WDH-235 23.5 DN 65 1500×600×2100 675
WDH-270 27 DN 80 1500×600×2100 750
WDH-320 32 DN 80 1500×600×2100 775
WDH-450 45 DN 100 1600×700×2350 900
WDH-550 55 DN 100 1800×800×2520 1125
WDH-650 65 DN 100 2140×1000×2700 1900
WDH-850 85 DN 125 2400×1150×2720 2600
WDH-1100 110 DN 150 2800×1400×2870 3000
WDH-1400 140 DN 150 3210×1420×3150 3600

Related Names
Inline Compressed Air Dryer | Heatless Regenerative Dryer | Desiccant Dehumidifier

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