Vapor-liquid contact tray and downcomer assembly and method empl

Details Vapor-liquid contact tray and downcomer assembly and method empl Vapor-liquid contact tray and downcomer assembly and method empl

1995-12-28

1997-05-27

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Wet baffle

2611143, 2611144, B01F 304

Patent

active

056329350

ABSTRACT:
A vapor-liquid contact tray and downcomer assembly is provided with ramps which serve to impart a horizontal directional flow to the liquid exiting the downcomer and/or the vapor passing through the tray. The downcomer includes a bottom plate which closes the outlet region of the downcomer and includes a plurality of ramps which redirect the downwardly flowing liquid to include a horizontal component in the direction of liquid flow across the underlying tray. The downcomer receiving area in the underlying tray can include valves having floating caps which shield the associated openings in the tray against liquid weeping and redirect the vertical movement of the vapor streams to a generally horizontal momentum.

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