DC Arc furnace hearth construction

Details DC Arc furnace hearth construction DC Arc furnace hearth construction

1980-06-23

1982-04-13

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

373108, H05B 700

Patent

active

043249434

ABSTRACT:
A DC arc furnace hearth is formed by brickwork having electric conductors extending through it, the conductors at their bottoms connecting with an electrically conductive layer on which the brickwork is layed and having top ends contacted by a melt contained by the brickwork. Arcing power can be transmitted via the conductive layer and conductors to the melt.

REFERENCES:
patent: 941419 (1909-11-01), Keller
patent: 3832478 (1974-08-01), Books
patent: 3916047 (1975-10-01), Niesen
patent: 3952140 (1976-04-01), Wunsche

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