Design issues of the tower skirt base
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The design of the column’s skirt is a significant issue. The height of the skirt is generally determined by its relative elevation with respect to the reboiler or by process requirements. As for the thickness of the skirt, as well as the thicknesses of the skirt’s base plate, cover plate, and gusset plates, the diameter of the base plate ring, the height of the gusset plates, and the specifications of the anchor bolts – how are these values determined? SW6 can be used for preliminary checks, but are the original data based on experience? Is there any software that can calculate based on parameters such as tower diameter and height, in conjunction with national standards? The calculations required by those standards are quite difficult
One can refer to the definition of tower vessels in NB/T 47041-2014 or the Design Code for Petrochemical Towers in SH/T 3098-2011, which outline how to determine these dimensions.