Steel production method

Details Steel production method Steel production method

1974-02-11

1976-04-20

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 12, 75 59, 75 60, C22B 400, C21C 532, C21C 534

Patent

active

039516431

ABSTRACT:
An electric arc furnace pivotable between a first position wherein a gas delivery tuyere system is above the level of a metal charge for preheating the same and a second position wherein the tuyere system is below the level of metal charge to permit the injection of gases, fluxes, ores, alloying additions and other materials for converting a metal charge. A first furnace hood is engageable with the furnace when in its first position for positioning electrodes in the furnace and a second hood is engageable with the furnace when in its second position for withdrawing gases evolved during the gas blowing period.

REFERENCES:
patent: 3046107 (1962-07-01), Nelson
patent: 3459867 (1969-08-01), Estes
patent: 3706549 (1972-12-01), Knuppel

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