Annular gap scrubber

Details Annular gap scrubber Annular gap scrubber

1981-07-08

1983-03-01

Lacey, David L.

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG54, 261DIG56, 55226, B01D 4710

Patent

active

043754392

ABSTRACT:
An annular gap washer for scrubbing a gas stream with a liquid, especially for the scrubbing of blast furnace gases with water such that the adjustment of the width of the annular gap controls the pressure at the head of the blast furnace, comprises the usual housing or duct with a tapering configuration and a body axially movable in this duct and with a tapering configuration so that the annular gap is formed between this body and the duct wall. According to the invention, the base angles of the body and the duct walls are different such that the gap converges in the direction of flow of the gases, thereby reducing vibrations or oscillation of the body without interfering with scrubbing efficiency.

REFERENCES:
patent: 1637597 (1927-08-01), Ulrici
patent: 3180360 (1965-04-01), Pavlin
patent: 3517485 (1970-06-01), Dell'Agnese et al.
patent: 3601374 (1971-08-01), Wheeler
patent: 4093434 (1978-06-01), Hausberg et al.
patent: 4114850 (1978-09-01), Alamprese
patent: 4216001 (1980-08-01), Brooks et al.
patent: 4231383 (1980-11-01), Eversole et al.

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