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Evaporative Condenser
TianShun
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What Is an Evaporative Condenser?
An evaporative condenser is a device that converts refrigerant contained within a closed circuit from a heated vapor to a cooled liquid form by the evaporation of water sprayed on the exterior surface of the refrigerant tubing. It is essentially a hybrid between an air-cooled condenser and a water-cooled condenser which uses the principles of heat rejection to follow an evaporative process.
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The Function of the Condenser in a Chiller
The condenser component of an industrial chiller system functions as a heat transfer device between a process and its external environment.
Condensers can either be air-cooled, water-cooled or evaporative in design and function. Regardless of type, all condensers have a similar function: to transfer heat away from a refrigerant gas and thereby cool the required process or equipment.
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Benefits of Evaporative Condensers
The advantages of opting for evaporative condensers are linked to process cost-savings. The main points are highlighted below:
These condensers can efficiently run on less fan horsepower than their air-cooled chiller counterparts which drive down energy costs significantly.
Installation and maintenance are easier as evaporative condenser cooling units operate with fewer components.
Evaporative condenser units allow for smaller floor space installations.
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Cooling Tower vs. Evaporative Condenser
The major difference between a cooling tower and an evaporative condenser chiller setup lies in the number of stages required to achieve their cooling effects.
For chiller systems that utilize a cooling tower, heat transfer from the cooling process involves two stages. The heat generated by an industrial or commercial process is first transferred to the circulating chiller fluid by the condenser unit before atmospheric heat rejection at the cooling tower. Thus, using chillers and cooling towers together require two levels of heat exchange.
On the other hand, chillers with evaporative condensers achieve similar results by a single heat rejection process which involves the evaporation of heated water from the external surface of the coolant tubing.
|
What Is an Evaporative Condenser?
An evaporative condenser is a device that converts refrigerant contained within a closed circuit from a heated vapor to a cooled liquid form by the evaporation of water sprayed on the exterior surface of the refrigerant tubing. It is essentially a hybrid between an air-cooled condenser and a water-cooled condenser which uses the principles of heat rejection to follow an evaporative process.
|
The Function of the Condenser in a Chiller
The condenser component of an industrial chiller system functions as a heat transfer device between a process and its external environment.
Condensers can either be air-cooled, water-cooled or evaporative in design and function. Regardless of type, all condensers have a similar function: to transfer heat away from a refrigerant gas and thereby cool the required process or equipment.
|
Benefits of Evaporative Condensers
The advantages of opting for evaporative condensers are linked to process cost-savings. The main points are highlighted below:
These condensers can efficiently run on less fan horsepower than their air-cooled chiller counterparts which drive down energy costs significantly.
Installation and maintenance are easier as evaporative condenser cooling units operate with fewer components.
Evaporative condenser units allow for smaller floor space installations.
|
Cooling Tower vs. Evaporative Condenser
The major difference between a cooling tower and an evaporative condenser chiller setup lies in the number of stages required to achieve their cooling effects.
For chiller systems that utilize a cooling tower, heat transfer from the cooling process involves two stages. The heat generated by an industrial or commercial process is first transferred to the circulating chiller fluid by the condenser unit before atmospheric heat rejection at the cooling tower. Thus, using chillers and cooling towers together require two levels of heat exchange.
On the other hand, chillers with evaporative condensers achieve similar results by a single heat rejection process which involves the evaporation of heated water from the external surface of the coolant tubing.
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