Apparatus for producing pulsed liquid flow in a distillation col

Details Apparatus for producing pulsed liquid flow in a distillation col Apparatus for producing pulsed liquid flow in a distillation col

1975-01-21

1976-08-03

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Wet baffle

137138, 137139, 202158, 261114A, B01F 304

Patent

active

039729664

ABSTRACT:
Apparatus for pulsing the flow of the liquid between the trays of a distillation column with only a small change in liquid level. In the preferred embodiment, a dome-like capping plate is mounted over the upper end of a downcomer conduit and overlaps the portion of the downcomer which extends above the fractionation tray as a weir to form a sealed liquid passageway having the shape of an inverted U. A siphon which starts when liquid is pushed over the top of the weir is broken when the liquid level on the tray falls to the lower end of a U-shaped conduit communicating with the upper volume of the capping plate.

REFERENCES:
patent: 760770 (1904-05-01), Adams
patent: 871427 (1907-11-01), Miller
patent: 1862758 (1932-06-01), Merley
patent: 2385355 (1945-09-01), Gerhold
patent: 2394679 (1946-02-01), Gerhold
patent: 2416724 (1947-03-01), Whaley
patent: 2501114 (1950-03-01), Whaley, Jr.
patent: 2707163 (1955-04-01), Thibaut
patent: 2776820 (1957-01-01), Bond, Jr.
patent: 2902413 (1959-09-01), Kassel et al.

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