Infra red ignition method for ore sintering process

Details Infra red ignition method for ore sintering process Infra red ignition method for ore sintering process

1992-06-30

1993-07-20

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Consolidating metalliferous material by agglomerating,...

75 1013, C22B 400

Patent

active

052289044

ABSTRACT:
A method and apparatus for sintering a mixture of finely divided ore and a solid reductant, preferably in agglomerated form, includes heating the mixture on a hearth (6) with radiant energy in the form of infra red radiation from an infra red source such as infra red lamps (4, 5) to a sufficient temperature to induce ignition of the reductant. The hearth (6) is formed by a moving perforated conveyor surface (2) in which the material to be sintered is disposed for heating by the lamps. Below the hearth is a duct (3) connected to a vacuum source for drawing air through the hearth and material thereon.

REFERENCES:
patent: 3148971 (1964-09-01), Macdonald
patent: 4577838 (1986-03-01), Mathiesen
patent: 4814003 (1989-03-01), Bergner

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