The relationship between tube sheet and drum
Thread Content
Are the tube sheets and drum thicknesses different? For what reason? Also, is there any strength calculation formula or empirical formula?
The calculation formulas for the thickness of tube sheets and pot shells are different. The biggest change is the tube sheet. Determining the thickness of the tube sheet mainly depends on the arrangement of the brace tubes. For details, you can look at the calculation method in GB/T16508. .
Agree with the comments above. Many times the shells of adjacent pressure boilers may be of the same thickness, but the thickness of the tubesheets may be different. It is recommended to check the relevant design standards.
The stress states of the tube sheet and the drum are different. Of course, the calculation formulas are also different, and the calculated wall thickness will also be different. According to GB16508-96 "Calculation of Strength of Boiler Shells", the calculated wall thickness formula of the drum is t1=p×Dn/(2×фmin×-p)； The calculation formula of convex tube sheet is tmin=p×Dn×Y/(2×ф×-0.52×фmin×-0.5×p)+C) ； The calculation formula for a flat plate with tension braces is tmin=K×dj√p/+1
Thank you guys from LS~~ I’ll read the book when I have time.~~~~~