Method for manufacturing steel from iron ore dust by direct redu

Details Method for manufacturing steel from iron ore dust by direct redu Method for manufacturing steel from iron ore dust by direct redu

1979-10-10

1982-03-09

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 11, 75 40, C21B 1110

Patent

active

043187366

ABSTRACT:
The invention relates to methods and apparatus for manufacturing steel from iron ore dust by direct reduction. The iron ore dust is preheated, then reduced with a gas mixture contaning monoxide. Thereafter, the reduced product is charged by means of a gaseous aid or adjuvant into an iron smelt below the bath surface.

REFERENCES:
patent: 1459187 (1923-06-01), Pratt
patent: 2951756 (1960-09-01), Cavanagh
patent: 3140168 (1964-07-01), Halley
patent: 3862834 (1975-01-01), Von Waclawiczek et al.
patent: 3963483 (1976-06-01), Mathesius et al.
patent: 3997333 (1976-12-01), Fey
patent: 4045214 (1977-08-01), Wetzel et al.

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