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What is difference between dry cooler and chiller?

Views: 29     Author: Site Editor     Publish Time: 2023-06-01      Origin: Site

What is difference between dry cooler and chiller?


The main difference between a dry cooler and a chiller is the way they remove heat from a fluid or gas. Both dry coolers and chillers are used to remove heat, but they use different methods to do so.


A dry cooler uses ambient air as the cooling medium to transfer heat from a hot fluid or gas to the surrounding air. The hot fluid or gas is passed through a heat exchanger, and the air is drawn through the heat exchanger by fans. The heat from the hot fluid or gas is transferred to the air, causing the air to become heated. The heated air is then discharged into the surrounding atmosphere, while the cooled fluid or gas is returned to its source.


On the other hand, a chiller uses a refrigerant to remove heat from a fluid or gas. The refrigerant absorbs the heat from the fluid or gas, causing it to evaporate and become a gas. The gas is then compressed, which increases its temperature, and then passed through a condenser, where it releases the heat it has absorbed. The refrigerant then returns to its original state and is ready to absorb heat again.


Another difference between a dry cooler and a chiller is the temperature range they operate in. Dry coolers are typically used for cooling fluids or gases in the range of 50°C to 200°C, while chillers are used for cooling fluids or gases in the range of -40°C to 20°C or lower.


Overall, the main difference between a dry cooler and a chiller is the method they use to remove heat from a fluid or gas. Dry coolers use ambient air as the cooling medium, while chillers use a refrigerant to absorb and release heat. The choice between a dry cooler and a chiller depends on the specific cooling requirements and the temperature range of the fluid or gas that needs to be cooled.


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