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US 10,537,866 B2Granted
Scale collection device for downflow reactors
AssigneeUop LLC
InventorsRobert L. Bunting, Jr., Steven J. Lesniak, Zhanping Xu
Life of this patent
Estimating the term…
Abstract
The invention involves a scale collection device that is located within downflow reactor head for removing solids from feed streams to increase reactor operating cycle time without impact on effective reactor space for catalyst loading. More particularly, a filtering zone is located in an upper portion of a reactor vessel above a rough liquid distribution tray and a distribution tray.
Claims17
A reactor comprising an upper portion and a lower portion wherein the upper portion comprises:
- a rough liquid distribution tray comprising a cylindrical wall spaced apart from a reactor wall and a perforated bottom plate;
- a scale collection device within the rough liquid distribution tray, the scale collection device comprising a plurality of media support/spacers, the plurality of media support/spacers located on the bottom plate of the rough liquid distribution tray, and the media support/spacers and the cylindrical wall of the rough liquid distribution tray defining a filtering zone;
- and
- a vapor-liquid distribution tray located below the rough liquid distribution tray and wherein the vapor-liquid distribution tray comprises a plurality of distributors.
1 more element
An apparatus comprising an upper portion and a lower portion wherein the upper portion comprises:
- a rough liquid distribution tray comprising a cylindrical wall spaced apart from a reactor wall and a perforated bottom plate;
- a scale collection device within the rough liquid distribution tray, the scale collection device comprising a plurality of media support/spacers, the plurality of media support/spacers located on the bottom plate of the rough liquid distribution tray, and the media support/spacers and the cylindrical wall of the rough liquid distribution tray defining a filtering zone;
- a plurality of overflow chimneys attached to the media support/spacers and extending upward through the filtering zone;
- and
- a vapor-liquid distribution tray located below the rough liquid distribution tray and wherein the vapor-liquid distribution tray comprises a plurality of distributors.
2 more elements
Dependencies are inferred from the claim text.