DRYBERG® ADP1400 Adsorption Dryer

Product information "DRYBERG® ADP1400 Adsorption Dryer "
Adsorption Dryer DRYBERG® ADP1400

Adsorption Air Dryer DRYBERG® ADP Function

After compressed air is cooled and condensate is removed, it leaves the compressor in a moisture-saturated condition. As the compressed air cools down further in the downstream pipework, additional condensate is usually formed. This leads to negative side effects such as corrosion, icing, and consequently to high maintenance costs for the compressed air system. Drying compressed air is therefore a mandatory requirement of any compressed air purification system. If lower pressure dew points are required, adsorption dryers are applied. In an adsorption dryer the compressed air to be dried flows through a layer of desiccant removing the moisture by adsorption. The adsorption capacity of the desiccant is limited. Therefore a changeover to the second alternating adsorption vessel takes place before the critical load limit is reached. The adsorption vessel that is fully loaded with moisture is entering the regeneration process after switch over is completed. The regeneration time is always shorter than the adsorption time of the operating vessel, so that the continuous supply of dried compressed air to the point of use is guaranteed all the time.
While the wet air passes the vessel, the moisture is adsorbed by the desiccant. The adsorption process is time or dew point controlled. In the same time the desiccant already saturated from the previous adsorption phase in the other vessel is being regenerated. Ambient air conveyed by a blower and heated up by a heater is used for the regeneration process. The hot air passes the desiccant from top to bottom in counterflow direction to the adsorption process, vaporizing the moisture from the desiccant. By this process the blower air is cooled down to the desorption temperature and leaves the dryer in moisture saturated condition by the exhaust to atmosphere. As soon as the desorption process is completed the temperature at the exhaust rises, detected by dyers control system for switch over to cooling process. The cooling process is performed by a small stream of dried compressed air expanded to atmosheric pressure passing through the vessel in regeneration phase and taking up the heat from the desiccant before it is released to atmosphere. As soon as the desiccant is cooled down the regenerated vessel remains in stand-by.


Technical Data of heatless Adsorption compressed air dryer DRYBERG® ADP 

Capacity* [m3/h]  1400
Connection [inch] DN80
Dimensions (AxBxC) [mm] 1920x1320x2420
Weight [kg] 1900
Required PDP -40°C
Operating pressure [bar]
Inlet temperature [°C]
 Calculated at 1 bar (abs.) and 20°C at 7 bar g operating pressure and 35°C compressed air inlet temperature (saturated condition)
  Operating pressure (bar g)
  4 5 6 7 8 9 10
30 0,71 0,86 1 1,15 1,18 1,25 1,37
35 0,62 0,75 0,87 1 1,12 1,25 1,37
40 0,38 0,53 0,67 0,82 0,92 1,07 1,21
43 --- 0,33 0,45 0,54 0,61 0,72 0,80


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