Method of melting raw material with an electric arc furnace

Details Method of melting raw material with an electric arc furnace Method of melting raw material with an electric arc furnace

1985-12-12

1987-08-25

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Power supply system

H05B 7148

Patent

active

046898000

ABSTRACT:
A method of operating an electric arc furnace is disclosed by which an arc electrode provided in an electric arc furnace is supplied with electric power, an electric arc is extended from the arc electrode and raw material in the electric arc furnace is molten by the arc. Before operation of the electric arc furnace, an electric current I satisfying an equation

REFERENCES:
patent: 2976453 (1961-03-01), Lunig
patent: 3217205 (1965-11-01), Bennett
patent: 3435121 (1969-03-01), Jackson
patent: 4607374 (1986-08-01), Inagaki et al.

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