Title:
DC ARC FURNACE
Document Type and Number:
Japanese Patent JP2940134
Kind Code:
B2
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.
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Inventors:
MATSUO TAKAHITO
Application Number:
JP28342190A
Publication Date:
August 25, 1999
Filing Date:
October 23, 1990
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
H05B7/10; C21C5/52; F27B3/08; F27D11/08; H05B7/144; H05B7/18; (IPC1-7): F27B3/08; F27D11/08
Attorney, Agent or Firm:
Muneharu Sasaki (1 person outside)