DC Arc furnace melt electrode

Details DC Arc furnace melt electrode DC Arc furnace melt electrode

1978-02-22

1979-03-20

Envall, Jr., R. N.

13 9R, H05B 700

Patent

active

041455622

ABSTRACT:
A DC arc furnace melt electrode is formed by a metal bar encased by a refractory encasement forming a passage containing the bar with the latter having an inner end and maintained molten by the melt and an outer end for an electrical connection and maintained solid by cooling. Granules of refractory having higher density than the melt and molten electrode end are submerged in this end to prevent or retard any flow of the molten metal, for the purpose of reducing convection heating of the molten electrode end by the melt in the furnace hearth.

REFERENCES:
patent: 3997712 (1976-12-01), Stenkvist
patent: 3999000 (1976-12-01), Stenkvist

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