The composite fin tube, also known as aluminum rolled tube, is made of aluminum tube and other metal tube as a whole, no contact thermal resistance, good heat transfer performance, high corrosion resistance, small flow loss, heat shock resistance and mechanical vibration, good thermal expansion performance, and has considerable expansion of the heat exchange surface, with this fin tube into the heat exchanger, the effect is leading the series or other types of heat sinks.
Steel-aluminum composite finned tube is a heat dissipating tube made of steel (or stainless steel) tube and aluminum tube compound and then rolled out the fins. Copper-aluminum finned tube is a heat dispersing tube made of copper tube and aluminum tube, which are compounded and then rolled to produce fins. It is widely used in low temperature differential heat transfer process.
The surface of steel-aluminum composite pipe and copper-aluminum composite finned pipe are anodized, the color is beautiful and generous, and can effectively prevent surface corrosion.
Main performance
Finned tube is a heat exchanger element. In order to improve the heat exchange efficiency, the surface area (or internal surface area) of the heat exchange tube is usually increased by adding fins on the surface of the heat exchange tube, so as to achieve the purpose of improving the heat exchange efficiency, such a heat exchange tube. As a heat exchange element, the fin tube works in the condition of high temperature flue gas for a long time, such as the fin tube used in the boiler heat exchanger has a harsh environment, high temperature and high pressure and is in a corrosive atmosphere, which requires the fin tube to have a high performance index.
Single metal finned tubes are classified by material
1, copper fin tube;
2, aluminum fin tube;
3, carbon steel finned tube;
4, stainless steel fin tube;
5, cast iron (cast steel) fin tube, etc.
