Direct-current arc furnace for steelmaking

Details Direct-current arc furnace for steelmaking Direct-current arc furnace for steelmaking

1987-01-30

1988-11-08

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Power supply system

H05B 712

Patent

active

047837900

ABSTRACT:
A DC arc furnace for steelmaking in which horizontal steel anodes without internal water cooling are used. The front portion of the anodes enters through holes in the walls into the furnace space and the lower level of the anodes reaches the furnace space in a level which is lower than the door threshold. The rear portion of the anodes is disposed in horizontal ducts outside the furnace hood, these ducts being lined with refractory material. The horizontal components of the anodes are connected to vertical steel components for current supply. The cooling of the horizontal and the vertical components is effected outside the furnace hood by means of components for indirect water cooling, these components being arranged in levels higher than the door threshold.

REFERENCES:
patent: 3835230 (1974-09-01), Valchev et al.

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