Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact
Patent
1979-08-21
1981-01-27
Envall, Jr., Roy N.
Metallurgical apparatus
Having means for contacting a solid metalliferous material...
With heating means, e.g., flame contact
13 9R, 266197, H05H 124, H05B 700
Patent
active
042477328
ABSTRACT:
A blast furnace for reducing iron ore characterized by a vertical tubular refractory shell forming an upper reduction zone and a lower hearth which shell is adapted to contain a charge of iron ore and ore reductance, at least one arc heater mounted on the shell and extending therethrough for injecting an arc heated mixture of gas containing carbon monoxide into the reduction zone.
REFERENCES:
patent: 3663792 (1972-05-01), Fey
patent: 3702182 (1972-11-01), Leyshon
patent: 4013867 (1977-03-01), Fey
patent: 4097028 (1978-06-01), Langhammer
patent: 4129742 (1978-12-01), Ward
patent: 4153426 (1979-05-01), Wintrell
Envall Jr. Roy N.
Johns L. P.
Westinghouse Electric Corp.
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