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DC ERW Stud Pipe

DC ERW Stud Pipe

Product: Stud Fin Tube
Tube Material: Carbon Steel Tube, Alloy Steel Tube
Fin Material: Carbon Steel, Low Alloy Steel as per SA515 Gr.70
Ferritic Stainless Steel as per SA240 409
Fin Size: 16~219mmODx4~15mmWT for Plain Tube, Stud OD 6~16mm, stud Height: 10mm Min
Length: 16 Meters max

Description

DC ERW Stud Pipe


Description:

The original Stud tube (needle-shaped tube) enhanced heat transfer is a series of cylindrical welded steel pipe surface by the stud tube automatic welder, which is characterized by:

1. Square-shaped circumference layout welding;

2. Six angle type circumference arrangement welding.

Compared with the traditional stud tube manufacturing process, the square and hexagonal stud tube reinforced heat exchanger elements, using a welding molding, change the past after the use of special tooling after welding after the forced drawing of the weld studs has fallen off phenomenon, so that the stud tube welding more firmly, the welding stud is not easy to fall off. The stud tube diameter, length, longitudinal spacing, circumferential welding stud number and weld stud inclination are the factors that affect the heat transfer of stud tube. Therefore, it must be considered comprehensively and systematically in order to be more practical. The needle-shaped tube with square and hexagonal-shaped circumference is arranged with a larger expansion surface, and the stud tube has a disturbing effect on the fluid, which can greatly improve the heat transfer coefficient, especially suitable for high viscosity oil, such as oil, heavy oil and other medium.

 

Product Features:

1. Stud tube as a new type of enhanced heat transfer element, its main advantage is to reduce thermal resistance and greatly improve the heat transfer coefficient.

2. Because the needle-shaped tube stud rib is a cantilever structure, under the impact of the air flow, the stud rib produces vibration, so that the soot is difficult to accumulate, coupled with strong turbulence scouring of the flue gas, the stud tube heat exchanger has a strong ability to clean the dust.

3. The stud tube structure is compact, the unit heat exchange metal consumes the quantity is low, the volume is small, occupies the area is few. The four square and hexagonal stud tube heat exchanging elements have the advantages of good heat transfer performance, little ash accumulation and small volume, and have wide application foreground in heat exchange and energy saving engineering.

 

Product Advantages:

Compared with the traditional structure of stud tube, the advantages of the new type stud tube to strengthen heat exchanger elements are:

1. Compared with the traditional needle tube manufacturing process, the four square, hexagonal needle tube enhanced heat exchanger components, using a welding one molding, change the past after welding using a special tooling forced stretch molding status, so that the stud tube welding more firmly, the welding needle is not easy to fall off.

2. Four-square-type, hexagonal-shaped tube structure, so that the flue gas whether it is horizontal or longitudinal erosion control, all the needle-shaped surface of the expansion of the flue gas in the transverse turbulent scouring, the flow of the cylinder on the back of the stud rib forms a symmetrical steady-state vortex and a backflow zone, and the heat boundary layer is continuously destroyed and formed, which reduces the heat transfer coefficient by reducing the thickness of the boundary layer of the heat exchanger surface.

3. Because the needle-shaped tube stud rib is a cantilever structure, under the impact of the air flow, the stud rib produces vibration, so that the soot is difficult to accumulate, coupled with strong turbulence scouring of the flue gas, the stud tube heat exchanger has a strong ability to clean the dust.

4. The stud tube structure is compact, the unit heat exchanger metal consumption is low, is a kind of enhancement heat transfer element which is worth popularizing.


Material:

DC ERW Stud Pipe

Base tube Material:Carbon Steel Tube, Alloy Steel Tube

Fin Material:Carbon Steel, Low Alloy Steel as per SA515 Gr.70, Ferritic Stainless Steel as per SA240 409


Product and Delivery:

Stud Fin Pipe                 Stud Fin Tube



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