Method and apparatus for cleaning gas

Details Method and apparatus for cleaning gas Method and apparatus for cleaning gas

1976-10-12

1980-07-01

Lutter, Frank W.

Gas separation

Means within gas stream for conducting concentrate to collector

55294, 55474, B01D 4630, B01D 2908, B01D 4604

Patent

active

042104270

ABSTRACT:
The present invention provides a method of cleaning a filter bed for filtering gas, the bed being comprised of particulate material, the method comprising passing a gas stream through the filter bed from below which being counter current to the direction of flow through the filter bed during filtering, and disturbing at least the upper surface of the bed with a gas stream issuing from a nozzle located above the bed.
The present invention also provides apparatus for filtering comprising a support for a filter bed of particulate material, means adapted in use to pass a gas stream through the filter bed from below which being counter current to the direction of flow through the filter bed during filtering and a nozzle located above the bed adapted in use to direct a gas stream to disturb at least the upper surface of the filter bed.
The present invention also provides gas cleaning apparatus comprising two cyclones having their axes inclined to and on opposite sides of an imaginary vertical plane and having their particle outlets positioned to deliver to a common conveyor.

REFERENCES:
patent: Re28396 (1975-04-01), Berz et al.
patent: 461801 (1891-10-01), Radkey
patent: 3564570 (1968-03-01), Lincoln et al.
patent: 3917472 (1975-11-01), Berz

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