Fuel burner useful for carbon black production

Details Fuel burner useful for carbon black production Fuel burner useful for carbon black production

1978-04-04

1980-05-27

Dority, Jr., Carroll B.

Combustion

Process of combustion or burner operation

Flame shaping, or distributing components in combustion zone

431158, 431351, 422156, 423456, F23M 304, C09C 150

Patent

active

042048311

ABSTRACT:
A burner apparatus comprising in axial alignment a cylindrical first section connected through a restrictive opening to a frustoconical second section having its largest diameter at the downstream end and an axial outlet opening at the downstream end. Tangential combustion supporting gas inlets aligned in the same rotational direction are located in the cylindrical section and at the downstream end of the frustoconical section. The outlet opening in the frustoconical second section is of greater diameter than the restrictive opening between the sections and is of lesser diameter than the upstream end of the frustoconical second section so that a stable flame is produced in the second section, there is an inflow of external gas through the outlet opening, and a flow of combustion supporting gas in an upstream direction along the wall of the second section. A method for burning fuel in combustion supporting gas, particularly adapted to produce carbon black, is also provided.

REFERENCES:
patent: 2659201 (1953-11-01), Krejci
patent: 3677532 (1972-07-01), Wolfersperger
patent: 3721529 (1973-03-01), Kraus
patent: 4046864 (1977-09-01), Cheng
patent: 4127387 (1978-11-01), Vanderveen et al.

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