Rotary Drum Dryers
vessels design heat of compression dryers are called rotary
drum dryers. They are for use with oil-free, or oil-less,
compressors only. By design, drum dryers consume almost no
additional energy, leading to exceptionally low life-long
The desiccant is held in a drum which rotates at an extremely
low speed – completing only a few revolutions per hour.
This way, while about 75% of the drum is actively drying the
compressed air, already cooled by the compressor's air
aftercooler, and now flowing through the drum, the remaining
25% is being dried out, or regenerated, using very hot
air taken directly from the compressor discharge.
Regeneration sufficient to achieve very low dew-points
is accomplished at no additional cost by harnessing the hot
air which is a natural byproduct of the compression process.
Unlike conventional desiccant dryers, the rotary drum style
dryer is comprised of only the rotating drum and electrical
motor. There is no switching valve manifold, or additional
moving components. As a result, life-time maintenance costs
are very low.
Additionally, the compressed air does not need to be filtered
before the dryer, and there is no need for traditional outlet
particulate filtration because the drum and active material
The rotary drum dryer design generates a comparatively very
low pressure drop, using only a small amount of energy as the
air travels through the dryer. Additionally, there is no need
for a separate cooling cycle.
HTE Compressed Air Solutions supplies high efficiency
compressed air equipment to manufacturers in Kansas,
Missouri, and Illinois