Lord Fin Tube-316L Stainless Tube Sheet
316L Stainless Tube sheet is a kind of accessory which is used to drill holes slightly larger than the outer diameter of the pipe on the round steel plate to weld and fix the pipe.
In the calculation of the fixed tubesheet, the axial stress of the shell, the axial stress of the heat exchange tube and the pull-out force Q between the heat exchange tube and the tube sheet are calculated according to various working conditions with temperature difference. If one of them can not meet the strength (or stability) condition, the expansion joint needs to be set. In the strength checking calculation of fixed tubesheet, when the thickness of tubesheet is determined and there is no expansion joint, sometimes the strength of tubesheet is not enough. After setting expansion joint, the thickness of tubesheet may meet the requirements. At this time, expansion joints can also be set to thin the tubesheet, but it should be determined from the comprehensive evaluation of material consumption, manufacturing difficulty, safety and economic effect.
The U-type heat exchanger has the advantages of simple structure, low cost and so on.
The accuracy of tubesheet processing, especially the pipe hole spacing and diameter tolerance, perpendicularity and smoothness, greatly affects the assembly and performance of the chemical equipment listed above. With the large-scale development of chemical equipment and power plant, the tubesheet diameter is becoming larger and larger, and the tubesheet with the diameter of 4m-5m is very common. The characteristics of large tubesheet are large number of tube holes, dense, small diameter, deep, high precision and finish requirements.
Tubesheet is widely used in tubular heat exchanger, boiler, pressure vessel, steam turbine, large central air conditioning and other industries.
It is mainly used in chemical vessels, such as tubular heat exchangers, pressure vessels, boilers, condensers, central air conditioners, evaporators and seawater desalination. The metal material not only has strong rigidity, but also has great heat conduction performance.
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