Radial secondary gas flow carbon black reactor

Details Radial secondary gas flow carbon black reactor Radial secondary gas flow carbon black reactor

1976-08-27

1978-11-28

Tayman, Jr., James H.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Pigment or carbon black producer

423450, 423456, 110263, 431 8, C01B 3102

Patent

active

041273877

ABSTRACT:
An apparatus is provided for producing a carbon black with a tint residual below -6. The apparatus entail introducing feedstock axially and generating a hot combustion gas vortex in a cylindrical precombustion section of a tubular carbon black reactor, producing a first mixture of feedstock and combustion gases, passing this mixture through an abruptly restricted passage axially connected to the precombustion section, abruptly expanding the first mixture into a frustoconical venturi converging section of the reactor with mixing of this first mixture with an additional flow of combustion gas at the exit of the converging section with the combustion gas entering the converging section in opposite, radial flow thereby forming a second mixture which is admitted into a reaction section of the carbon black reactor.

REFERENCES:
patent: 3333928 (1967-08-01), Kobayashi
patent: 3642446 (1972-02-01), Heller et al.
patent: 3984528 (1976-10-01), Cheng et al.

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