Radial flow reactor with catalyst cover and process for retrofitting a radial flow reactor to include same
AssigneeUop LLC
InventorsKa L. Lok, Elie J. Fayad, James W. Althoff, Steven M. Poklop, Jeffrey R. Grott, Hadjira Iddir
Life of this patent
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Abstract
A semi-permeable cover for a radial flow reactor that is located on top of a bed of catalyst in the reactor. The cover allows for a small portion of process gas to flow therethrough. The semi-permeable cover may be a self-deploying blank with a biasing element or have a spiral seam. The cover may be made from separate pieces. A shroud may be provided to cover an upper end of the center pipe in the reactor.
Claims20
A radial flow reactor comprising:
- a vertically orientated vessel having an inlet and an outlet;
- a center pipe extending vertically within the vertically orientated vessel;
- one or more scallops extending vertically within the vertically orientated vessel and spaced radially from the center pipe;
- a bed of catalyst in between the center pipe and the one or more scallops;
- and,
- a semi-permeable covering above the bed of catalyst and configured to direct most of a flow of a gas from the inlet to the one or more scallops.
A process for retrofitting a catalyst cover in a radial flow reactor, the radial flow reactor having a vertically orientated vessel having an inlet and an outlet, a center pipe extending vertically within the vertically orientated vessel, one or more scallops extending vertically within the vertically orientated vessel and spaced radially from the center pipe, a bed of catalyst in between the center pipe and the one or more scallops, and, a rigid deck above the bed of catalyst, the process comprising:
- removing the rigid deck;
- installing a semi-permeable covering above the bed of catalyst, the semi-permeable covering configured to direct most of a flow of a gas from the inlet to the one or more scallops.
Dependencies are inferred from the claim text.