Vessel Internals

Process vessels frequently have internal beds that must be supported by the vessel shell. Sand filters, packed columns and reactors with catalyst beds are just a few examples of vessels that have internal beds. The beds are typically supported by a combination of beams, grids and a support ring welded to the vessel shell. The support ring supports the periphery of the grating or tray plates. The support ring can be welded to the vessel wall by fillet welds or full penetration welds for larger loaded members. In some cases they are integrally forged into the vessel wall. This procedure can be used to design all the various components of a support structure consisting of the following; 1. Beams 2. Support ring 3. Grating 4. Beam seats 5. Beam support clips and bolting 6. Vessel wall

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