Electric arc furnace hearth connection

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H05B 700

Patent

active

041257375

ABSTRACT:
A DC electric arc furnace has an electric connector for a melt in the furnace's hearth in the form of an elongated metal conductor having a refractory enclosure exposing an inner end of the conductor for contact with and incidental melting by the melt, the refractory enclosure being formed by a projection of the hearth's lining extending from the inside of the hearth to beyond the hearth's outside with a metal shell enclosing the hearth's projection on the outside of the hearth.

REFERENCES:
patent: 625252 (1899-05-01), Eldridge et al.
patent: 1254079 (1918-01-01), Snyder
patent: 1294837 (1919-02-01), Schlegell et al.
patent: 2789152 (1957-04-01), Ham et al.
patent: 3997712 (1976-12-01), Stenkvist

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