Liquid-vapour contact columns

Details Liquid-vapour contact columns Liquid-vapour contact columns

1992-11-04

1993-12-14

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Wet baffle

B01F 304

Patent

active

052699765

ABSTRACT:
A liquid-vapour contact column includes an array of vertically spaced horizontal liquid-vapour contact trays having generally circumferential sides and arrangement of downcomers to conduct liquid from each tray in the array to the tray below. Each tray has gas passages to enable gas to pass into contact with the liquid. A weir is disposed on the floor of at least one downcomer. Each side of the weir is spaced from the corresponding side of the downcomer. This arrangement counteracts a tendency for liquid flowing along the floor of the downcomer to become detached from the sides of the downcomer, such detachment leading to maldistribution of liquid on the tray and hence to less efficient operation of the column.

REFERENCES:
patent: 2877099 (1959-03-01), Bowles
patent: 3338567 (1967-08-01), Hardouin et al.
patent: 3417975 (1968-12-01), Williams et al.
patent: 3759498 (1973-09-01), Matsch
patent: 4105723 (1978-08-01), Mix
patent: 4184857 (1980-01-01), Iijima et al.
patent: 4620952 (1986-11-01), Hsieh
patent: 4954294 (1990-09-01), Bannon

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