Direct current arc furnace

Details Direct current arc furnace Direct current arc furnace

1993-12-03

1995-12-26

Hoang, Tu

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

373108, H05B 702

Patent

active

054794331

ABSTRACT:
A DC arc furnace according to the invention has a bottom electrode, which comprises a plurality of contact pins each having an end to be brought into contact with an object and to supply arc-forming current thereto, a current base electrically connected to the other end of each of the contact pins for distributing current from a power supply to the contact pins, and a cooling device for cooling the current base with the use of cooling water.

REFERENCES:
patent: 1433404 (1922-10-01), Harris
patent: 4435812 (1984-03-01), Guido
patent: 4730337 (1988-03-01), Schubert
patent: 5142650 (1992-08-01), Kida et al.
patent: 5233625 (1993-08-01), Hofmann et al.
patent: 5268924 (1993-12-01), Sakakibara et al.

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