Direct-current arc furnace having bottom electrodes with bath ag

Details Direct-current arc furnace having bottom electrodes with bath ag Direct-current arc furnace having bottom electrodes with bath ag

1991-04-19

1992-07-28

Reynolds, Bruce A.

Industrial electric heating furnaces

Arc furnace device

Power supply system

373 47, 373 72, 373108, 373153, 164468, H05B 7144

Patent

active

051346281

ABSTRACT:
In a direct-current arc furnace having a bottom electrode (2), electromagnetically and/or chemically induced bath agitations are substantially eliminated by an electromagnet (9) arranged under the vessel bottom (7). In this way the stability of the bottom electrode (2) is considerably increased. The electromagnet (9) is preferably integrated into the electrical supply of the furnace and serves as a smoothing choke.

REFERENCES:
patent: 2727936 (1955-12-01), Boyer
patent: 3949151 (1976-04-01), Kerton
patent: 4032704 (1977-06-01), Stenkvist
patent: 4228314 (1980-10-01), Stenkvist
patent: 4495625 (1985-01-01), Heberlein et al.

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