Mixing device for vertical flow fluid-solid contacting

Details Mixing device for vertical flow fluid-solid contacting Mixing device for vertical flow fluid-solid contacting

B - Operations, Transporting

01

J

23/405

B01J 8/02 (2006.01) B01J 8/04 (2006.01) C10G 11/10 (2006.01)

Patent

CA 1279760

"MIXING DEVICE FOR VERTICAL FLOW FLUID-SOLID CONTACTING" ABSTRACT A fluid mixing apparatus which is used in a vertical flow- solid contacting column having a fluid inlet and a fluid outlet at opposite ends, two or more distinct beds of particulate material, and which is operated with single or dual phase fluid flow. The mixing apparatus comprises a vertical flow barrier, positioned intermediate two adjacent beds of particulate material, having a substantially imper- forate outer area and at least one central opening for passing fluid between beds and a fluid impingement compartment located at the center of the barrier. The impingement compartment has vertical sides contain- ing at least two similarly sized inlet openings in communication with the upstream side of the barrier for receiving the fluid flow detained by the barrier into the compartment with the sides and inlet openings being arranged so that the projection of all inlet axial centerlines lie in a common horizontal plane and intersect at a point selected so that fluid entering the compartment will converge at a centerpoint equidistant from all inlet openings. Mixing is promoted by sizing the inlet openings to produce fluid jets having a length at least equal to the distance between the inlet openings and the centerpoint so that the fluid streams impact turbulently. Fluid leaves the impingement compartment through a fluid outlet comprising the central opening of the barrier, which is in communication with the downstream side of the barrier and provides a balanced flow out of the impingement compartment.

538524

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