EVAPORATIVE COOLERS AND CONDENSERS IN CLOSED CIRCUIT: |
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CD / RF SERIES |
ADVANTAGES OF OUR COOLERS: |
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ü The fluid does not enter in contact with atmosphere;üEquipment is shipped assembled or half-assembled to suit standard 20' dry or 40'HC containers; üOptimized heat transfer exchange; üEasy access to all components; üBuilt in corrosion-resistant materials. üHydrostatic pipe Test at 750 PSI ( 52.8 Kgf/cm2). |
| CONSTRUCTIVE DETAILS OF A CLOSED CIRCUIT FLUID COOLER: | ||
| AXIAL FAN:in Poliamida reinforced with Fiberglass |
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RECIRCULATION WATER DISTRIBUTION
SISTEM: PP pipes and nozzles FILL: Cross-waved blocs in Polypropylene. Self-extinguish option. |
| ELETRIC MOTOR: TEFC-IP-55 DRIFT ELIMINATORS: in Polypropylene. Option: self-extinguish. |
COIL: hot dipped galvanized steel (1006/1010). Optional Stainless steel or copper. | |
| STRUCTURE:
standard Fiberglass or self-extinguish.
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CENTRIFUGAL PUMP: for coil irrigation (water recirculation) | |
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Click on the pictures below to ENLARGE.
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ADDITIONAL INFORMATION:
Fluid
Coolers are very similar to cooling towers. They both reject heat by evaporating water and
use many of the same components; except for the coil bundles used in coolers in place of
some or all of the wet deck used in cooling towers.
Coil
products can be described such as:
- Closed
circuit cooling towers (fluid coolers) used to cool fluids or,
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Evaporative Condensers that condense refrigerant.
Closed
circuit towers typically produce the same result as the “open” cooling tower-
that of cooling a water stream from an elevated temperature to a reduced temperature-
although other fluids can also be cooled. The fluid in the process is confined within a
coil inside the fluid cooler. Heat is passed through the walls of numerous coil circuits
to water, which is sprayed over the coil. The process fluid remains free of contamination
while the water on the exterior sacrifices itself to evaporating and collecting debris
from the air stream.
The water
from the basin is drained by a small pump, mounted on the outside of the fluid cooler and it
is conveyed to the top of the cooler where it is sprayed over the coil.
The
closed circuit tower is ideal for cooling equipment with small, hard to clean passageways
that would clog with a conventional cooling tower. The quality of the water is preserved
in closed circuit. Therefore the closed circuit cooler costs appreciably more to purchase
and operate. In addition to that, the physical size of the cooler is always bigger than
that of a cooling tower, sized for the same duty.
Coils are usually manufactured in HDGS (hot dipped galvanized steel), depending on the fluid and plant conditions. Closed circuit cooling towers should not be applied to systems that have open pipes. An open system causes corrosion of the untreated coil interior or incrustation, reducing heat transfer and causing premature coil failure. Acid water can also ruin coils in very short term.
Another
type of fluid cooler is the evaporative condenser. It is built like a fluid cooler but
instead of sensible temperature reduction of a liquid stream, it accepts a gas (such as
compressor discharge in a refrigeration system) and extracts latent heat causing the
gas
to condense.
For
additional information, please contact our engineering department.
© 2001 HD Equipamentos Industriais Ltda. All rights reserved.
FOR FURTHER INFORMATION, PLEASE CALL (55-11) 3531.6199 - E-MAIL: hd@hd.ind.br
