Feedstock nozzle and use in carbon black process

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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Details

423449, 423456, 422150, C01B 3102, C09C 148

Patent

active

044316240

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.

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patent: 3615242 (1971-10-01), Anderson et al.
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patent: 4294814 (1981-10-01), Cheng
patent: 4341750 (1982-07-01), Vanderveen
patent: 4351643 (1982-09-01), Marion et al.

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