Application And Benefits Of Heat Exchangers

A heat exchanger is a tools built for appropriate heat transfer from one medium to another

. They are widely used in space heating, power plants, natural gas processing, refrigeration, air conditioning, petroleum refineries, petrochemical plants, chemical plants, and sewage treatment units.

The most common model of a heat exchanger is found in an internal combustion engine in which fluid keeps circulating known as engine coolant and flows through radiator coils and then air flows past the coils, which not only cools the coolant and but also heats the incoming air.

Process of Heat Exchangers

Heat exchangers have an important part to play in the route of flow sheets of industrial plants. In these plants, the condensers attached to the exhaust from low pressure turbines recover the condensate, hereby reducing the cost of treating new structure of water and also the heat which would otherwise be emitted into the environment. In many progressions they are also used to curtail the heat lost to the atmosphere by recovering some of it that is contained in process release streams.

Other uses of Exchangers

Heat exchangers are also used to recuperate the heat contained in a process watercourse and recycle from a late stage in the process and use it to preheat a brook entering at an early stage. In all cases, the increase in entropy produced by the course is condensed and even minimized.

Forms and Process of Transferring Heat

Heat exchanging processes can be performed in many ways but in all cases the heat exchanger is presented with two fluid streams operating at different temperatures where the fluids are physically separated. Their separation also is a way of facilitating temporary heat exchange. The division generally consists of bundles of tubes through which one of the fluids flows. The division may also take the form of plates that are linked with these tubes.

Industrial Application

Air cooled Heat Exchangers also called, Fin fan Coolers or Air Fin Coolers. . They are also used for declining heat from a hot process fluid to the neighboring environment by using the atmospheric air as a cooling medium. Though these devices are expensive investment, their robust quality ensures minimal need for Fin Fan cooler repair.

Air Cooled Heat Exchangers are used in applications where large quantities of heat are required to be transmitted. These are required mainly in steelworks, chemical and petrochemical industries and power stations. They are used mainly for high pressure and high temperature applications.

A large number of Fin Fan Cooler systems are used for gas & oil sector, refineries, petrochemical plants and condensing units. Numerous process fluids are efficiently cooled in fin fan coolers. This has helped many industries lower their cost of production in a remarkable manner.

Using air for cooling than water is a cost efficient option relatively, which also manages the thermal overload of rivers and lakes. Additionally, direct dry cooling presents considerable advantages as air is by and large non-corrosive and of unconstrained supply.

by: Clifton Jenkins

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