Arc furnaces and to methods of treating materials in such furnac

Details Arc furnaces and to methods of treating materials in such furnac Arc furnaces and to methods of treating materials in such furnac

1975-04-30

1976-02-03

Miller, J. D.

Electric heating

Microwave heating

Tunnel furnace

219121P, H05B 710

Patent

active

039365867

ABSTRACT:
A plasma arc furnace in which an expanded plasma column is generated between at least one orbiting electrode moving in a substantially circular path and a stationary electrode. The orbiting electrode is directed towards the orbital axis so as to generate a plasma column having a portion of generally inverted conical shape in the vicinity of the orbiting electrode and feedstock is introduced into the upper end of the plasma column. The orbiting electrode may be directed across the orbital axis whereby the generated plasma column is in the form of two generally conical portions meeting at a common apex.

REFERENCES:
patent: 3449505 (1969-06-01), Brzozowski et al.
patent: 3783167 (1974-01-01), Tylko
patent: 3852061 (1974-12-01), Wulff

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