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Lord Fin Tube-Threaded Steel Pipe

The application of the threaded steel pipe in the heat exchange equipment. The steel pipe or stainless steel pipe is formed by rolling through the machine tool at one time. The scale on the surface of the spiral pipe is spiral. Shedding off by itself; the light pipe scale layer is a cylinder without any self-off force. Threaded steel pipe has been widely used in power plant condensers and boiler auxiliary machine heat exchange systems, and is an ideal alternative to smooth tubes and copper tubes.

How to fabricate threaded steel tubes (twist tubes or pattern tubes)?

Pressing process: After cold-rolling the steel pipe, the steel pipe shrinks by one thousandth to five thousandths. The factors that affect the shrinkage length are: 1. Thread depth (e); 2. Pitch (s); 3. , Thread radius (r); can be adjusted as needed. 

At present, threaded pipes as a highly efficient heat exchange element has been more and more widely used. The threaded pipe is a spiral heat pipe with convex and concave on the wall. The equipment adopts the method of cold rolling to process the ordinary pipe into a threaded pipe. 

Why is the thread steel pipe more and more widely used in heat exchange equipment?

1. Thread steel pipe is that compared with the smooth tube, the threaded tube is simple in structure and has a significant heat transfer effect.

2. The laminar flow of the air flow in the tube is changed into turbulent heat transfer through the thread After optimization of the flow resistance, the heat transfer of a threaded smoke pipe is equivalent to 1.7-1.8 times the size of the ordinary smoke pipe, which not only reduces the number of smoke pipes significantly, but also reduces the diameter of the boiler. 

3. Consumption has dropped significantly. 

4. In addition, the number of tobacco pipes decreased significantly. With higher heat exchange efficiency, the use of threaded tubes in the heat exchange equipment can increase the heating area. 

5. Reduce the overall size of the heat exchange equipment, reduce material consumption, and save initial investment. 

6. The turbulence of flue gas can also play a role in self-cleaning to achieve the effect of enhancing heat transfer.

Boiler thread smoke pipe

Boiler thread smoke pipe, stainless steel thread smoke pipe.

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