Heatless Pure Desiccant Air Dryer

Heatless Purge Desiccant Air Dryer is using micro holes in the desiccant itself,adsorbing the moisture in the air because of capillary,desorbing it by pressure drop and adsorbing extra-heat.Currently,the equipment is making up of two towers,controlled by the Program Controller,the two towers working alternately,one is for adsorbing,the other is for desorbing,in the way continually circulating the work.

Product Character:Consistent outlet pressure dew points.

A.Rationalizing tower layout,ensure 4.8 second contact time enough to dry saturated air at the dryer inlet to the desired dew point.

B.30% extra desiccant provide to compensate for natural bed aging,ensure top performance of desiccant bed.    

C.Large flow diffusers ensure even flow distribution through bed,eliminates channeling.     

Minimum purge air use according to the less than 13.3%.

A.Excellent designing tower,saves 95% of the heat of adsorption,stored heat maintains purge air temperature during regeneration,maximizing the purge air’s ability to carry off moisture,minimizing the amount of purge air required.  

B.Drying and purging in counter flow arrangement,energy not be wasted when wet air travels through dry desiccant.             

C.You can adjust purge air use according to the demand.

Long desiccant life

A.Suitable tower sized ensure best condition of velocity & time when compressed air through desiccant bed,making good use of the desiccant.  

B.Rationalizing system,remove oil and heavy contaminants before flowing into the tower,protects bed from contamination. 


 *Using butterfly value and reliable program controller which can be auto timing and auto switching,works stable and reliable,unaffected from electric net,pressure and electric field.              

 *Scientifically designed switching time ensuring the air pressure being stable,running without waving.        

  *Non basement,easy to install .


Work Condition and Technical Data

Inlet temperature: 0-45℃

Inlet oil content:≤0.01mg/m3

Working pressure:0.6~1.0MPa

Designed dew point: -20~-70℃

Purge air:≤12%-15%

Desiccant:activated alumina and molecular sieve

Purge mode: heatless purge

Working method:  continuing alternative working beween two towers

Working periods:T=4-20min

Control mode:micro-program controller 

Installation mode:indoor,non-basement



modelcapacity  air connectionnet weight(kg)dimensions(mm)
 Nm³/minscfmlengthwidthheight
HSD-1WXF1.242ZG1"1806895701298
HSD-2WXF2.4852406895701678
HSD-3WXF3.8132DN403507795701498
HSD-6WXF6.52305109008001741
HSD-8WXF8.5300DN505509848501895
HSD-10WXF10.738078010848901805
HSD-13WXF13.547578010848902015
HSD-15WXF16570DN80900128810501908
HSD-20WXF238001280128810502217
HSD-25WXF279501520141211102241
HSD-30WXF3312501760151311502218
HSD-40WXF451590DN1002200165213102403
HSD-50WXF551940DN125260018158002473
HSD-60WXF652280310018158002673
HSD-80WXF852980410020139002570
HSD-100WXF1003500DN1505200230015002933
HSD-150WXF1505300DN2006000270018003429
HSD-200WXF2007000DN2506800290020003529

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