Adsorption dryers cut compressed air costs
A
Beko Technologies product story
Edited by the Engineeringtalk editorial team
Aug 11, 2000
Beko's new Drypoint AC cold-regenerated adsorption dryers help prevent corrosion, rejects or damage on the production line with reduced treatment costs and increased reliability.
Compressed air is a major industrial power source and many production processes rely on clean, dry air at the correct pressure.
Beko's new Drypoint AC cold-regenerated adsorption dryers help prevent corrosion, rejects or damage on the production line with reduced treatment costs and increased reliability.
Incorporating the latest technology, Drypoint AC dryers are designed to be integrated with Beko Clearpoint filters and Bekomat condensate drains to deliver an unvarying supply of treated compressed air to downstream production equipment.
Integrated drying systems are stable, reliable, efficient and economical as Beko components are designed to work together.
Suitable for compressed air delivery systems using either central or point-of-use drying, there are two distinct series covering flow rates from 3.4 to 2380 m3/hr (measured at 7 bar overpressure with an inlet pressure dew point (PDP) temperature of 35C).
The standard range operates between 4 and 16 bar pressure and with inlet PDP temperatures between 2C and 50C.
Drypoint AC adsorption dryers are packed with activated aluminium oxide granules which attract water molecules to their surface.
In contrast to many other types of adsorbent, aluminium oxide is water-resistant and unaffected by condensate in the air-flow.
It is extremely abrasion resistant and has a high moisture carrying capacity, so Drypoint AC dryers have hardly any adverse effect on air supply.
Dryer units consist of two parallel cylinders containing adsorbent material, one of which is always in the air line removing moisture, whilst the other takes a feed of dried air in the reverse direction to regenerate the adsorbent packing for re-use.
After taking up previously collected moisture, this air is safely discharged into the environment through a silencer.
Reliable valves in the supply line ensure that use of the drying cylinders alternates in a continuous process, and an intelligent control system allows flexible working, for example linked to a compressor.
At start-up, the dryer continues in the process cycle from the point it had reached when the compressor last stopped, which ensures even loading and avoids loss of regeneration air during standstill phases.
The compact small series contains 11 models, rated from 3.4 to 130 m3/hr, which can be wall or floor mounted.
Connection is simple, avoiding problematic screw connections, and the streamlined internal profile and reliable valve technology make the dryer quiet and efficient to operate.
The more substantial large series contains 10 models, rated from 179 to 2380 m3/hr, incorporating a patented 2-stage bypass technology to reduce the requirement for regeneration air.
Conventional silencers tend to clog rather quickly, but by avoiding pressure build-up on the regeneration side the Beko silencer saves money by minimising regeneration air demand.
A further optional electronic regeneration air control is also available to save energy.
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Contact Beko Technologies
Tel +44 1527 575778
Other Beko Technologies stories
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Karl Uhl uses Drypoint AC adsorption dryers
Karl Uhl in Bochum, Germany, has used the special dryer technology of Beko Technologies for its cold-regenerated adsorption dryers. -
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Alfred Ritter and Co KG, Waldenbuch, Germany, which makes the Ritter Sport chocolate products, approached Beko when it needed to improve compressed-air quality to optimise production processes.
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