How to calculate the wall thickness of a device that is conical at the bottom but square in shape?
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Now, design a square-shaped device made of 304 material, with a diameter of 1500 and a height of 2500. The lower part of the device has a 60-degree cone shape, and the base of this cone is a square flange with dimensions of 300*300. What should be the wall thickness of the device? How should the square flange at the bottom be designed? Are there any standards for such square flanges?
Refer specifically to (see) atmospheric-pressure vessels, which contain the square equipment and square manholes you mentioned :)
NB/T47003.1 specifies that the bottom of pressure vessels at normal pressure is a flat plate, while NB/T47003.2 mentions rectangular silos, but only in very brief terms
Square shapes generally experience low pressure, and the wall thickness is not determined solely by strength
Relevant calculations are provided in GB50884-2013 Technical Specifications for Steel Silos