Extended arc furnace and process for melting particulate charge

Details Extended arc furnace and process for melting particulate charge Extended arc furnace and process for melting particulate charge

1975-06-02

1977-07-19

Envall, Jr., R. N.

H05H 100

Patent

active

040370437

ABSTRACT:
The furnace and process disclosed herein comprise an electric arc furnace having at least one electrode with an axial opening therein through which an appropriate gas is fed into the arc thereby permitting a stabilized extended arc to be produced. The axial opening or openings are of a predetermined selective size to create a stabilized extended arc according to the flow rate and linear velocity of gas flowing through the opening or openings. The furnace may be used for the melting of metals, glass, etc. and for various modifications or reactions of the molten material wherein solid modifiers or reagents are added to the melt.

REFERENCES:
patent: 1193783 (1916-08-01), Hillhouse
patent: 3101385 (1963-08-01), Robinson
patent: 3105864 (1963-10-01), Robinson
patent: 3524006 (1970-08-01), Ebeling et al.
patent: 3723630 (1973-03-01), Paton et al.
patent: 3749802 (1973-07-01), Camacho
patent: 3830950 (1974-08-01), Schoumaker et al.

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