Direct current electric arc furnace

Details Direct current electric arc furnace Direct current electric arc furnace

1990-10-23

1992-08-11

Reynolds, Bruce A.

Industrial electric heating furnaces

Arc furnace device

Indirect

373 60, 373 61, 373 62, 373 63, 373 70, 373102, 373104, 373105, 373108, H05B 722

Patent

active

051386291

ABSTRACT:
The invention provides a direct current electric arc furnace which is composed of a feeding system of direct current to the furnace, a movable electrode at the roof of the furnace, and a bottom electrode attached to the bottom of the furnace at the position deviated from the center of the bottom of the furnace, the deviated distance from the center being determined by a magnetic field, generated by a current in the steel bath of the furnace, from under an arc generated by the movable electrode to the bottom electrode, which can cancel a second magnetic field generated by the current of the feeding system.

REFERENCES:
patent: 586822 (1897-07-01), Patten
patent: 1094381 (1914-04-01), Wilmowsky
patent: 1889907 (1932-12-01), Terry
patent: 3264095 (1966-08-01), Ackermann
patent: 3301640 (1967-01-01), Turbett

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