Downcomer-tray assembly and method

Details Downcomer-tray assembly and method Downcomer-tray assembly and method

1989-03-08

1990-09-11

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Wet baffle

2611143, B01F 304

Patent

active

049561278

ABSTRACT:
A downcomer tray assembly for vapor liquid contact towers. The region of the tray beneath an upper downcomer is constructed with a raised, perforated region for improving mass transfer efficiency. The raised region reduces fluid pressure to facilitate ascending vapor therethrough. A series of louvers selectively directs the upward vapor flow into the liquid region below the downcomer to generate a more efficient vapor-liquid contact and reduced back-mixing across the tray.

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Chen, Packed Column Internals, Chem. Engr., Mar. 5, 1984, pp. 40-51.
Linde Multiple Downcomer Trays, Union Carbide Corp., P.O. Box 44, Tonawanda, N.Y. 14150.

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