| DRYING UNIT "HEAT-LESS"
SERIES CD |
Operation :
Compressed air passing through one of the two towers is dried
by the adsorbent material (adsorption process - Van Der Waals
theory)
Simultaneously, the other tower is regenerated by purging a small
volume of the treated air from the outlet of the first tower.
The two towers automatically alternate operation every 3 to 5
minutes.
Where to use :
- For all uses requiring compressed air
with a forced drying grade (D.P. -40 °C - 70 °C).
- The recommended flow rates go from 5
to 1.000 mVh (80 L/min -16.000 L/min).
- Simple to operate with low investment
costs.
- Units are available for larger capacities,
however, for high air flows the cost of the compressed
air used for the regeneration is not economical (even
if adjustable from 7% to 15% with the possibility to
save costs using hygrometric or flow devices).
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Control
and safety devices :
- Dried air control indicator.
- Compressor linkage device.
- Electronic control of the purge
consumption (7% -15%).
- Cycle safety and control systems.
- Dew point analyzer with purge
consumption reducer.
- Completely pneumatic versions
for dangerous areas or remote installations.
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| "HEAT" REGENERATED
DRYING UNIT SERIES BD |
Operation :
Compressed air passing through one of the two towers is dried
by the adsorbent material (adsorption process - Van Der Waals
theory). Simultaneously the other tower is regenerated by blowing
pre-heated air through the adsorbent "bed". The two
towers alternate operation every 4-6 or 8 hours.
Where to use :
- Suitable for medium to large flow capacities
where forced or absolute dew points are required (-40
°C/70 °C/-100 °C).
- The recommended flow rates start from
400 m3/h.
- Minimal consumption of purge air. Operation
costs are considerably less than the "HEAT-LESS"
system.
- Units are available for all requirements.
- Steam and electrical regeneration.
- Regeneration with partial vacuum available.
- Closed circuit regeneration (zero purge).
- Regeneration with ejector, without blower
(without electric energy with an independent heat source
supplied by the client).
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Control
and safety devices :
- Synoptic control panel.
- Dried air control indicator.
- Control systems for energy saving.
- Control systems of the various
phases.
- Dew point analyzer with cycle
control (Eco-Tecno).
- Centralized control systems (with
RS 232).
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