Features of Closed Circuit Cooling Towers
We are specialized in manufacturing precision engineered FRP cooling towers that offer the following features:
- Our company specialized in generating precision engineered FRP cooling towers.
- The maintenance cost of cooling tower in the present or future is low.
- Controls using the automatic digital vision temperature.
- Placed moving parts in a unique way that they can be easily removed and repaired.
- A unique controller of saving energy and protecting environment in closed cooling system.
- Have a water level control system that maintains a constant level of water and also a wide base working platform to ease the tedious maintenance process.
- Uniform water distribution system with large orifice nozzle to reduce clogging.
- Specially designed axial air-foil fan blades for low noise levels and lower power consumption.
- Moving parts are placed in such a way that they can be easily removed and repaired.
- Highly efficient sprinkling pump to ensure low power consumption and low noise.
- We have a wide base working platform to ease the tedious maintenance process.
- We have a water level control system that controls that maintains a constant level of water in the Cooling tower basin.
- Hot Dipped galvanized cooling tubes to avoid corrosion and maximum heat exchange with the cooling medium. For better conduction of heat we also provide copper tubes instead of GI.
Applications of Closed Circuit Cooling Towers
- Chilling Units
- Pharmaceutical Plants
- Chemical Industries
- Induction Furnaces
Sharing views on Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers .
Harrison Cooling Tower Pvt. Ltd. Manufactures almost the complete range of Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers . devices viz the open cooling tower used for almost all the requirements, evaporative condensers used mainly in meat and seafood processing industries and concrete hyperbolic cooling towers which cater to the power plants. Two new products under the category of Evaporative Cooling Systems are Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers .
Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers are slowly being accepted by the Indian industry as cost effective and profitable investments in the long run in spite of the higher initial investment.
In Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers ., the cooling medium demineralised water or diluted glycol is circulated through closed coil. This prevents contamination of the cooling medium from the environment and thereby keeping the host machines clean always.
Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers . are the Eco friendly alternative to ozone depleting Air Conditioning devices.
These Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers . work very well in low humidity areas. The Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers cooling medium is the Eco-friendly water! Evaporation of water cools the air which is blown through the cooling pads. It is so cost effective that it is used in cooling the greenhouse farms, poultry farms other than cooling storage warehouses and work places. Witness To The Developments In The Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers , Cooling Tower Industry
Cooling Tower, Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers Industry in India is more than 6 decades old. Independent India saw a lot of heavy industries set up-both state owned and private ones.With the emergence of heavy industries in independent India it created the need for cooling towers like other utilities made and serviced nationally.
The cooling tower,Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers industry started with a few manufacturers in the beginning but today we have a few hundred manufacturers catering to needs ranging from small cooling towers made of FRP, medium range cooling towers, Closed Circuit Cooling Towers and Evaporative Industrial Cooling Towers . made of FRP or treated timber and large Hyperboloid cooling towers.
In the early years in mechanical draught cooling towers treated timber slats were used as the splash fills medium. But to protect the environment, the Government of India banned the felling of trees in the Himalayan forests of Assam in the year 1997 and this resulted in the accelerated development of alternative heat transfer media like PVC, ABS etc./
To a great extent this has helped the wholehearted acceptance, by industry and consultants alike ,of FRP cooling towers (which use PVC Fills as the heat transfer medium) in the smaller and medium sized cooling towers. In spite of the severe draught in same states in India, we still have some source for clean water for use in industry. So we still use Open Type Cooling Tower for heat rejection.
Globally people are more aware of the need to conserve clean water and they opt for Closed Circuit Cooling Tower for cooling the process liquid. Another Eco sensitive development is use of Evaporative Air Coolers in the work place which can replace air- conditioners which uses ozone depleting refrigerents!
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Principle of Closed circuit cooling towers
Closed circuit cooling towers operate in a manner similar to open cooling towers, except that the heat load to be rejected is transferred from the process fluid (the fluid being cooled) to the ambient air through a heat exchange coil. The coil serves to isolate the process fluid from the outside air, keeping it clean and contaminate free in a closed loop. This creates two separate fluid circuits: (1) an external circuit, in which spray water circulates over the coil and mixes with the outside air, and (2) an internal circuit, in which the process fluid circulates inside the coil. During operation, heat is transferred from the internal circuit, through the coil to the spray water, and then to the atmosphere as a portion of the water evaporates.
Maintenance of Closed circuit cooling towers
Since the process fluid of a closed loop system is completely isolated from the environment, routine maintenance is only required on the heat rejection equipment itself. The need to shut down the system periodically to clean the heat exchanger is dramatically reduced, if not entirely eliminated. Providing clean process fluid to the system will extend the life of other components in the system (condenser bundles, compressors, etc.).
Maintaining proper process fluid quality in a system may involve several steps, such as chemical treatment, filtration equipment and the addition of clean make-up water. A closed circuit cooling tower can provide the following advantages over an open cooling tower:
Lower volume of recirculating water to treat
Process loop requires minimal treatment
During periods of dry operation, the need for make-up water is eliminated
Closed circuit towers allow for the following modes of operation not possible with open towers:
Free cooling operation without the need for an intermediate heat exchanger: Chiller turned off
Dry operation: Conserve water and treatment chemicals, prevent icing and plume/
Variable pumping: Closed condenser water loop allows for variable speed pumping to conserve energy