Patent ID: 6145816
Filing Date: 2000-11-14
Classification: B01D

Abstract:
A fluids contacting column, tray opening, fluid dispersing, apparatus, comprising:a cover plate for the tray opening, said cover plate containing at least one bleed fluid perforation;means for positioning the cover plate over the tray opening thereby, in operation, providing fluid escape passages between the cover plate and a tray deck for a fluid stream flowing upwardly through the tray opening;for the at least one bleed fluid perforation, a bleed fluid deflecting member spanning the bleed fluid perforation from side-to-side to provide at least two oppositely facing outlets such that at least two distinct bleed fluid streams flow away from one another over a central zone of the cover plate; andeach said distinct bleed fluid stream differs in size from the fluid stream flowing upwardly through the fluid escape passages, wherein the apparatus is a fixed valve assembly and the means for positioning said cover plate over the tray opening thereunder comprises integral legs with said tray deck thereby defining fixed fluid escape passages.