Scrap-melting process and electric furnace for carrying out the

Details Scrap-melting process and electric furnace for carrying out the Scrap-melting process and electric furnace for carrying out the

1987-07-30

1989-04-11

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Power supply system

373108, H05B 711

Patent

active

048212849

ABSTRACT:
A set of conductors comprising at least two return conductors (5) connected to a hearth electrode (3) is arranged along the outer face (11) of the furnace vessel in direct proximity thereto, and the profile and orientation of at least two conductors of the set are determined, in order, as a result of the passage of a direct current of controlled intensity, to generate magnetic fields of which the mutual deflection effects on the arcs, taking into account all the magnetic influences exerted by the other conductors and the various parts of the installation during operation, are such that the arcs are directed towards a specific zone of the molten-metal bath.

REFERENCES:
patent: 4038483 (1977-07-01), Stenkvist
patent: 4550413 (1985-10-01), Lassander et al.

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