세로 핀 튜브

Product introduction:

As with welded spiral finned tubes, this welded structure can be used for virtually any heat transfer application.

The choice between longitudinal finned tube and spiral finned tube seems to depend mainly on geometric factors. 예를 들어, some heater structures consist of finned tubes inserted into other tubes -- longitudinal finned tubes are an obvious choice for such applications. In other cases, users prefer the longitudinal finned tube installation, where the tube will be in a vertical direction - the finned direction facilitates fluid drainage on one side of the finned tube.

Longitudinal finned structures are most commonly used in shell and tube applications, such as in double-tube and multi-tube heat exchangers, where the longitudinal finned tube is telescopic in the hole of a larger tube shell. Heat is transferred between the fluid flowing through the finned tube hole and the fluid flowing through the shell hole.

The fluid flowing through the shell hole is forced to flow between the longitudinal fins. In this case, the spiral fin prevents the flow of the fluid, rather than allowing it to flow between the fins.

제품 characteristics:

• Improve heat transfer efficiency in efficient space.
• Reduces installation space on required heat transfer surfaces
• Reduce the cost of the equipment, and have a high operational reliability.
• The pressure drop on the side of the tube is reduced and the operation cost is reduced.
• The stiffness of steel tube is improved, and the seismic performance of steel tube is improved.
• Enhance heat transfer, reduce flow resistance and metal consumption

Manufacturing process

세로 핀 튜브는 튜브 길이를 따라 저항으로 핀을 용접하여 생산됩니다.. 핀은 먼저 U 자형 채널을 형성합니다., 각 U 자형 다리가 지느러미를 형성하도록 허용. 채널은 적절한 길이로 절단 된 다음 튜브의 길이와 저항을 따라 제자리에 용접됩니다.. 채널은 용접 된 한 쌍입니다., 극 반대, 따라서 지정된 핀 수는 4의 배수여야 합니다..

주어진 튜브 또는 튜브 크기에 대해, 튜브 단위 길이당 원하는 열 전달 표면적은 적절한 핀 높이와 핀 수를 지정하여 얻을 수 있습니다.. 핀의 최대 수는 튜브의 외경에 따라 다릅니다. - 더 큰 OD 튜브는 더 많은 핀을 수용할 수 있습니다..

경쟁 우위:

1. Longer working life than others ordinary welding helical fin tubes.

2. Much safer and energy saving.

3. Increase the heat transfer rates for viscous liquids.

4. Perforated fin type used whenever drainage of liquid from fin channels become a problem.

5. Longitudinal fin tubes are widely used in horizontal heat exchangers.

응용 프로그램:

The longitudinal finned tubes are widely used in following fields.

1. 화학, 석유 화학, 기름, and power industry

2. Heat exchanges

3. Fired heaters

4. Gas coolers and heaters

5. Tank heaters.