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Heat Exchange Repairs

A heat exchanger chiller system utilizes a device that transfers heat through various fluids. Thermal exchange chillers may use coolants composed of air or a mixture of liquids to remove heat generated by an associated heated process. The system used to transfer heat between two or more fluids. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing and sewage treatment.

The classic example of a heat exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils and air flows past the coils, which cools the coolant and heats the incoming air. Another example is the heat sink, which is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant.

The major difference between a heat exchanger and a chiller is in the design. While chiller systems possess refrigeration units that cool their circulating chiller fluid, a heat exchanger lacks a refrigeration unit and achieves temperature regulation by direct fluid heat transfer.