Process for producing molten pig iron or steel raw material

Details Process for producing molten pig iron or steel raw material Process for producing molten pig iron or steel raw material

1987-01-14

1988-07-05

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 26, C22B 400, C22B 110

Patent

active

047552190

ABSTRACT:
A process for producing molten pig iron or steel raw material in which iron oxide-containing, preferably pre-reduced raw material particles are introduced from above into a fluidized bed formed from carbonaceous solid particles and an oxygen-containing carrier gas. When the fluidized bed passes through in countercurrent to the carrier gas, the solid particles are heated, reduced and melted. The fluidized bed receives additional energy through plasma heating, in such a way that the plasma energy is supplied level with the entry of the oxygen-containing carrier gas into the fluidized bed.

REFERENCES:
patent: 3993473 (1976-11-01), MacRae
patent: 4396421 (1983-08-01), Stift
patent: 4469508 (1984-09-01), Amouroux

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