Fin Tube Radiator

Finned tube radiators are the most widely used heat exchange equipment for gas and liquid heat exchangers. It achieves the purpose of enhancing heat transfer by adding fins to a standard base tube. These heat transfer finned tubes are embedded in a shell consisting of steel plates and insulation.
The base tube can be a steel tube - stainless steel tube, copper tube, etc. The fins can also use steel strips, stainless steel strips, copper strips, aluminum strips, etc.
Finned tube heat exchangers are used in household appliances and industrial heat exchangers, while car radiators and air conditioners use finned tube heat exchangers.
The main reason for using finned tubes is that the air passing through the tubes should be cooled.
As with car radiators, air passes through the tubes in a cross-flow manner. This helps to cool the liquid inside, and the advantage of fins over ordinary tubes is that they are in more complete contact with the external liquid. At the same time, this also makes the heat exchange between the inside and outside of the tube faster.
Uses of finned tube radiators
Finned tubes are very useful when the air side thermal coefficient is low, as the finned tubes increase the surface area, which is conducive to faster heat transfer between components.
The most widely used finned radiator is the steel-aluminum finned tube (finned steel-aluminum composite finned tube, rolled fin steel-aluminum composite finned tube), which uses the pressure resistance of steel tubes and the high efficiency of aluminum. The thermal conductivity is compounded on specific machine tools.
Steel-aluminum composite tube radiators have irreplaceable advantages over other finned tube radiators.
Finned tube radiators are generally used to heat or cool air, and have the characteristics of compact structure and large unit heat exchange area. They are widely used in textile, printing and dyeing, petroleum, chemical, drying, electric power and other fields.

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