Wall electrode for a DC electric metallurgical furnace
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United States of America Patent
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Feb 15, 1994
Grant Date -
N/A
app pub date -
Sep 24, 1992
filing date -
Sep 30, 1991
priority date (Note) -
Expired
status (Latency Note)
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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.
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