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US 12,005,375 B2Granted
High capacity tray for liquid-liquid treating
AssigneeValero Services, Inc.
InventorDaryl Hanson
Life of this patent
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Abstract
The present disclosure relates to an improved sieve tray assembly for a liquid-liquid treating column. The tray is a modular design with inlet and outlet downcomer assemblies that are mounted flush to or raised above the sieve deck upper surface. The raised downcomer assemblies provide increased surface area for light liquid upflow perforations and enhanced liquid-liquid contacting capacity and efficiency.
Claims12
A liquid-liquid contacting column, comprising a plurality of sieve tray assemblies, wherein each sieve tray assembly comprises:
- a sieve deck comprising a plurality of perforations;
- an inlet downcomer assembly coupled to an upper surface of the perforated sieve deck;
- an outlet downcomer assembly coupled to the upper surface of the perforated sieve deck;
- and
- an outlet downcomer pipe coupled to the outlet downcomer assembly;
- wherein radially outer portions of the inlet and outlet downcomer assemblies are provided radially inward of a sieve deck circumferential edge;
- and
- wherein the inlet and outlet downcomer assemblies lie outside the plane of the sieve deck and are positioned above the sieve deck.
5 more elements
Dependencies are inferred from the claim text.