Method of, and arrangement for, producing molten pig iron or ste

Details Method of, and arrangement for, producing molten pig iron or ste Method of, and arrangement for, producing molten pig iron or ste

1981-04-02

1983-08-02

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 26, 373 24, C21B 1312, F27B 1514

Patent

active

043964214

ABSTRACT:
In a method of, and arrangement for, producing molten pig iron or steel pre-material iron-oxide-containing raw-material particles are top-charged into a fluidized bed formed of carbon particles and an oxygen-containing carrier gas. When passing the fluidized bed, the raw-material particles are heated, reduced and smolten. In order to achieve a better utilization of energy with such a method, i.e. to considerably lower the total energy input, additional energy is supplied to the fluidized bed by plasma heating.

REFERENCES:
patent: 2742352 (1956-04-01), Gilliland
patent: 2978315 (1961-04-01), Schenck
patent: 3783167 (1974-01-01), Tylko
Marnette et al., Technische Mitteilungen, 70 Jahrgang, Heft 2, Feb. 77, pp. 89-97

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