Multiple-downcomer contacting tray with antipenetration devices

Details Multiple-downcomer contacting tray with antipenetration devices Multiple-downcomer contacting tray with antipenetration devices

1991-12-30

1993-05-11

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Wet baffle

B01F 304

Patent

active

052098753

ABSTRACT:
The efficiency of multiple downcomer type fractionation trays is improved by the provision of an individual antipenetration pan located under each set of openings in the bottom of the box-like downcomers. The pans preferably comprise perforated planar sheets and have raised lips along two opposing edges to retard significant liquid runoff along the edges parallel to the downcomer end walls. The pans are parallel to the main tray surface and located intermediate the downcomers and the upper surface of the next lower tray.

REFERENCES:
patent: 2315481 (1943-03-01), Drewry et al.
patent: 3410540 (1968-11-01), Bruckert
patent: 3417975 (1968-12-01), Williams et al.
patent: 4036918 (1977-07-01), Morgan et al.
patent: 4159291 (1979-06-01), Bruckert et al.
patent: 4381974 (1983-05-01), Furzer
patent: 4550000 (1985-10-01), Bentham
patent: 5098615 (1992-03-01), Resetarits

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