Apparatus for separating carbon black from carbon-black aerosol

Details Apparatus for separating carbon black from carbon-black aerosol Apparatus for separating carbon black from carbon-black aerosol

1979-06-08

1981-10-20

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

Interdependent or interoperated gas flow cutoff or apparatus...

55 96, 55 98, 55303, 55320, 55337, 55349, 55350, 55524, 55340, B01D 4102, B01D 3916

Patent

active

042958679

ABSTRACT:
The herein-proposed apparatus for separating carbon black from a carbon-black aerosol stream comprises an apparatus in which a carbon-black aerosol is passed through a granular bed of carbon-black grains in a downflow manner. The carbon-black aerosol is separated into solid carbon-black particles that settle down in the granular bed of the carbon-black grains, and cleaned particulate-free gas delivered to the consumer. Part of said cleaned gas is periodically fed in a countercurrent flow to the stream of carbon-black aerosol to regenerate the granular bed of carbon-black grains. The apparatus for carrying this separation comprises a plurality of compartments, each being subdivided into a first and a second chamber through a partition web. Said partition web is a distribution grate with a screen, whereupon the granular bed of carbon-black grains is arranged, the screen having a mesh opening ranging from about 50 to about 200 microns. The first of the chambers communicates with the intake manifold for the carbon-black aerosol and with first shutoff devices. The ratio of the height of said granular bed of said carbon-black grains to the height of the first chamber is within 0.1 to 0.5. The second of the chambers communicates with the exit manifold for said cleaned gas, and with the manifold for admission of the regenerating gas, both manifolds being connected to second shutoff devices. The filter is provided with mechanical actuators for automatic control of said first and second shutoff devices.

REFERENCES:
patent: 2533991 (1950-12-01), Blomquist et al.
patent: 2546246 (1951-03-01), Whiton et al.
patent: 3544507 (1970-12-01), Lloyd
patent: 3868237 (1975-02-01), Berz
patent: 3998933 (1976-12-01), Henderson, Jr.
patent: 4026687 (1977-05-01), Berz
patent: 4131544 (1978-12-01), Elahi

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