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Description of Water Chiller

Description of Water Chiller

2018-08-17


Water chiller takes heat from processing water, and the heat is then discharged to the water resource or the air outside. This type of chiller system features high efficiency and also widely in many applications.

Water chiller is a device that cools machine or process, such as a plastic injection molding machine, welding machine. It does not create cold, it removes heat. In short, it’s a heat removal device. Using the six components listed flowing an “industrial” chiller removes heat from one element – water/glycol/air – and then circulates that cooler element through a heat exchanger to cool the surrounding air or process equipment.

A chiller consists of the following six main components:

Evaporator – cools the water, water/glycol or air by transferring the heat to a refrigerant which is turned into a gas.

Compressor – takes this gas and increases its pressure so that ambient air or water can remove the heat.

Condenser – rejects heat gained by the gas using ambient air or cooling tower water to condense the gas back to a liquid for use again by the evaporator.

Tank – holds the circulating coolant, usually water (can be water/glycol), tank is sized large enough to prevent turbulent flow in tank causing pump cavitation.

Pump – circulates coolant from the holding tank to the evaporator and from the evaporator to the machine or process being cooled and back to the tank.

Control Panel – houses temperature controller, compressor contactor, pump starter, 3-phase fuses, control transformer, safety controls, run and fail lights.


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