DESICCANT DRYER RANGE
(BD HEAT REACTIVATION DRYERS)
BD
Heat reactivated adsorption
dryers
When absolutely dry
air is essential
In many
applications, absolutely dry air is a must. Instrument air, processes with
rapid air expansion, dry powder conveying, ...
Many methods have
been devised to dry air but the only efficient way to reduce the risks of water
induced problems and to totally remove the water is the adsorption process used
in the Atlas Copco BD adsorption dryer. Dewpoints as low as -70°C can be
reached.
Your selection
- The best solution for totally
dry air
- Pressure dewpoint -40°C, as
standard. As an option -70°C, for extreme climatic circumstances
- Delivered complete, with all
piping and connections
- Full PLC control of drying
cycle
- Display for dryer status and
alarms
- Meeting the highest air
treatment criteria
- A full range to match the
compressed air installation
- The advantages of Silicagel as
the drying agent
- Energy saving temperature
sensor
- Quiet operation
- Very efficient heating system
- Dewpoint indicator
- Optional
pre- and after-filters
Your benefits
- Absolutely dry air
- No freezing hazards
- No corrosion in the compressed
air net
- A quality end product
- Fully reliable, continuous
drying process
- Simple, low cost installation
- Low maintenance costs
- Very low energy consumption
- Low pressure drops
- Guaranteed
low dewpoint
Meeting the highest air purification criteria
When
high air quality criteria are paramount, the BD adsorption dryer from Atlas
Copco is your best option.
In an optimal
compressed air system, the air dryer is only one of several components, each
working on a specific parameter. It is preferred to cool the air as much as
possible before it enters the dryer. An air receiver or cyclone separator, with
condensate drain, will remove any condensate. With oil-injected compressors, a
de-oiling filter is required.
Atlas Copco BD dryers
efficiently reduce the risk of water induced problems. A subsequent dust filter
could be required to remove dust produced by the drying agent.
The reasons why...
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Dryer selector
Standard options
Considerable energy
savings with dewpoint control
Normally the dryer moves
the drying operation from one tower to the other on a regular basis.
Alternatively, this movement can be controlled by a dewpoint sensor
measurement. When the dewpoint reaches a preset point the dryer will
automatically switch towers.
This results in an extension of the drying time
and considerable energy saving when the dryer is not operating at maximum
capability. Energy savings are high and can be as much as 70%. The dewpoint
will be measured continuously and the actual dewpoint will be shown on the
dryer display.
Filter Pack
Optional pre- and after-filters ensure that the compressed air meets the highest air purity standards.
- The
pre-assembled filters, PD and DDp have a differential pressure alarm connected
to the display. An indication will be given on the display when it is time to
replace the filter element.
- The
pre-assembled PD filter range comprises high efficiency coalescing filters,
removing liquid water and oil aerosol to 0.01 mg/m (0.01 ppm) and particles
down to 0.01 micron.
- The
after assembled DDp filter range consists of particulate filters for dust
protection, removing particles down to 1 micron
- Several IN and OUTLET configuration
possibilities by simply turning the tubes. This simplifies the installation and
reduces floor space.
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