Wall electrode for a DC electric metallurgical furnace

Details Wall electrode for a DC electric metallurgical furnace Wall electrode for a DC electric metallurgical furnace

1992-09-24

1994-02-15

Reynolds, Bruce A.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

373 71, 373 36, 373 45, 373 94, 373108, H05B 700

Patent

active

052873820

ABSTRACT:
A wall electrode includes a metal bar adapted to extend through the wall of the furnace, a water-cooled sleeve composed of a material which is a good conductor of heat and electricity, an end member composed of a material which is a good conductor of heat and electricity, and an annular member such as a ring composed of a metal which is heavy and has a low melting point surrounding the bar so that the heavy metal in the liquid state spreads in the space between the bar and the sleeve when the annular member is made to melt during use of the electrode.

REFERENCES:
patent: 4628516 (1986-12-01), Voss-Spilker et al.
patent: 4646316 (1987-02-01), Michelet et al.
patent: 4685112 (1987-08-01), Michelet et al.
patent: 4697273 (1987-09-01), Cordier
patent: 4754464 (1988-06-01), Feuerstake
patent: 4947405 (1990-08-01), Okada
patent: 4982411 (1991-01-01), Michelet et al.
patent: 5125003 (1992-06-01), Hamy et al.

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