What Are the Differences Between Industrial Chiller And Cooling Tower
Time:2024-01-17
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There are two common types of cooling systems for industrial processes :industrial chiller and water cooling tower. While both serve the purpose of heat dissipation, they differ in design, functioning, and applications.
Design
The industrial chiller is a refrigeration system that uses a refrigerant (such as CFC, HCFC, or HFC) to lower the temperature of machinery, industrial spaces, and process fluids by removing heat from the system and transferring it outside. It comprises a compressor, evaporator, condenser, and expansion valve.Industrial Chillers come in various sizes and can be air-cooled or water-cooled chiller.
Industrial Chiller
A cooling tower is an open-type heat rejection system that rejects waste heat to the atmosphere by cooling it to a lower temperature with a flow of coolant, usually water
It consists of a tower, basin, and cooling system (fill, nozzles, drift eliminators). Cooling towers come in different styles, such as counter-flow and cross-flow.
Cooling Tower
Functioning
An industrial chiller uses a refrigeration cycle to lower the temperature of water and maintain it within a specific range. The refrigerant absorbs heat from the water flow and transfers it to the condenser, where it gets discharged. The chilled water then gets recirculated to the process for heat removal. Chillers are efficient, precise, and provide constant cooling.That is say the chiller can reduce the temperature of the water to 0 degrees or lower temperature
In contrast, a cooling tower uses the principle of evaporation to remove heat from water. The tower sprays water to the fill material, where the air passes through and removes heat through evaporation. The cooled water gets collected in the basin and goes back to the process. Cooling towers are less precise, have variable performance, and require more maintenance,which just reduce the high temperature water to ambient temperature water .
Applications
Industrial chillers are suitable for applications that require precise temperature control, such as medical processes, data centers, food and beverage production, and chemical processing. Chillers can cool water to low temperatures (below 0°C) and produce consistent cooling outputs.
Cooling towers are suitable for applications that require large-scale cooling, such as power plants, HVAC systems, steel mills, and petrochemicals. Cooling towers have a higher cooling capacity than chillers and can handle fluctuating loads.
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