B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
23/405
B01J 8/02 (2006.01) B01J 8/04 (2006.01)
Patent
CA 2019928
"TWO DIRECTION INLET FLUID DISTRIBUTOR FOR DOWNFLOW VESSEL CONTAINING BED OF SOLID PARTICLES ABSTRACT An inlet distributor for a fluid-solid contacting vessel uses a two direction distributor to prevent bed surface disturbances at high inlet velocities and high particle loadings. The distributor uses a series of partitions to peel off portions of the downward fluid flow and redirect them radially outward. Each outwardly directed fluid flow component passes through a series of perforations to effect any necessary circumferential redistribution before entering the space above the particle bed. By subdividing the fluid flow into a number of radially directed flow portions and circumferentially redistributing these flow portions, cross-currents and eddy currents on the particle bed surface are minimized or avoided so that disturbances at the bed surface are eliminated. This low pressure drop distributor is particularly effective in vessels having particles loaded to within a short distance of bed inlets and where elbows or other upstream flow devices introduce nonuniformities into the fluid flow to a particle bed.
Macrae & Co.
Uop
LandOfFree
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