Capacity-enhanced multiple downcomer fractionation trays

Details Capacity-enhanced multiple downcomer fractionation trays Capacity-enhanced multiple downcomer fractionation trays

1992-12-29

1994-06-07

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Wet baffle

B01F 304

Patent

active

053187326

ABSTRACT:
The capacity of multiple downcomer type fractionation trays is increased by providing imperforate calming decks (6) which extend across the tray deck (2) surface outward from the conventional downcomer inlet opening together with vertical inlet weirs (8) attached to the outer end of the calming decks (6). The inlet weirs (8) may function as "preweirs" used in addition to the conventional inlet weir formed by the upward extension of the downcomer sidewall (4).

REFERENCES:
patent: 2646977 (1953-07-01), Kraft
patent: 3410540 (1964-11-01), Bruckert
patent: 3647192 (1972-03-01), DeGroot et al.
patent: 3887665 (1975-06-01), Mix et al.
patent: 4297329 (1981-10-01), Sigmund et al.
patent: 4328177 (1982-05-01), Trager
patent: 4550000 (1985-10-01), Bentham
patent: 5223183 (1993-06-01), Monkelbaan

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