Quality of the butt joint between the head and cylinder of a pressure vessel with a diameter of two meters
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I would like to ask everyone for advice: Question: For a pressure vessel with a diameter of 2 meters and a height of 4 meters, how can radial deviation be controlled during the butt welding of the vessel’s cylindrical walls as well as between the cylindrical walls and the end caps? In other words, how can it be ensured that the two parts being joined are on the same horizontal line during welding? I hope those who have experience in this area can provide answers. Thank you.
Are you referring to the misalignment amount of the butt joint between the two cylinders? If so, as long as the perimeters at the joints of the two tube sections are evenly offset, that will do! Nothing special!
Cut the tube sections according to the head size; during assembly and adjustment, perform spot welding first, and only proceed with welding after the misalignment is within the standard range.