Patent ID: 9079141
Filing Date: 2015-07-14
Classification: B01F,B01J

Abstract:
1. A mixing device for a multi-bed down-flow catalytic reactor, the mixing device comprising: a. a horizontal cover plate having an inner surface; b. a base plate extending parallel to the cover plate, the base plate having an inner surface and a base plate aperture; c. a plurality of inwardly-curved vanes extending vertically between the inner surfaces of the cover and base plates; d. a vertical weir ring extending vertically from the base plate inner surface proximal to the base plate aperture, the weir ring having a weir ring top edge and a weir ring diameter; e. a mixing region; and f. a bubble cap extending downwardly from the inner surface of the cover plate into the mixing region, the bubble cap having a bubble cap diameter and a bottom edge, the bubble cap diameter being smaller than the weir ring diameter, the bubble cap bottom edge extending below the weir ring top edge.