Feedstock nozzle and use in carbon black reactor

Details Feedstock nozzle and use in carbon black reactor Feedstock nozzle and use in carbon black reactor

1981-04-24

1982-11-23

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Pigment or carbon black producer

239 69, 239 70, 2391321, 239424, 239444, 239413, 422150, C09C 148, B01J 1000

Patent

active

043604978

ABSTRACT:
A carbon black feedstock nozzle in which a central pipe with a diverging nozzle outlet is surrounded by at least one concentric annulus having a diverging nozzle outlet with a spray angle different from that of the central pipe and with means for supplying a separate controlled flow of inlet material to the central pipe and concentric annulus. In the preferred embodiment multiple concentric annuli surround the central pipe with the outermost annulus supplied with a coolant fluid as inlet material, and the other annuli supplied with hydrocarbon suitable as carbon black reactor feedstock. In a preferred embodiment means are provided for a seriatim cycling of flow through the various hydrocarbon feedstock annuli. A carbon black reactor in which a feedstock nozzle as described above discharges in a portion of the reactor that is either a precombustion section or a combustion section. A method for producing carbon black in which hydrocarbon feedstock is introduced into either a precombustion section or a combustion section of the carbon black reactor through a reactor feedstock nozzle as described above.

REFERENCES:
patent: 2207758 (1940-07-01), Rehse
patent: 3071443 (1963-01-01), Bellew
patent: 3615242 (1971-10-01), Anderson et al.
patent: 3663153 (1972-05-01), Bagge
patent: 4014654 (1977-03-01), Howell
patent: 4206176 (1980-06-01), Vanderveen
patent: 4221339 (1980-09-01), Yoshikawa
patent: 4294814 (1981-10-01), Cheng

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