Selection Creiteria for Water-Cooled and Air-Cooled Condensers for Use in Water Chillers
Industrial water chillers are available with a choice of two types of refrigerant condensers: Water-Cooled or Air-Cooled.
It is important to choose the right type of condensing medium for the environment the water chiller will operate in. Ill suited condensers may affect process cooling and thus affect production quality.
Refrigerant condensers are necessary to remove latent heat from the high pressure refrigerant gas. This heat is introduced by the compressor.
The condenser is an heat exchanger where refrigerant gas flows on one side and the condensing medium (air or water) flows on the other side.
The latent heat from the refrigerant gas is transferred to the condensing medium.
As the heat is transferred to the condensing medium, the refrigerant gas cools and “condenses” into a liquid.
Low temperature liquid refrigerant is required to chill the process water.
A basic example is where the facilities that do not have adequate water supplies from tower or city water supplies will find that an air-Cooled condenser is better suited than a water-cooled condenser because an air-cooled condenser does not require an external water supply.
The condenser types are:
These condensers use a tube and shell heat exchanger where plant waster circulates on one side and refrigerant on the other.
These condensers use a fined tubed heat exchanger and motor driven fans or centrifugal blowers to move air through the condenser.
Selection criteria are listed below as well as the Advantages and Disadvantage of each condenser type.
Advantage can help with condenser selection and recommend if an air-cooled or water-cooled condenser is best suited for your industrial environment.
Select a Water-Cooled Condenser ... If:
Adequate water supplies are available from tower, city or well sources.
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