Prefabricated unit for a DC arc furnace
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United States of America Patent
Stats
-
Jul 7, 1981
Grant Date -
N/A
app pub date -
Dec 28, 1979
filing date -
Dec 29, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prefabricated unit for a DC arc furnace having a hearth bottom comprising electrically conductive bricks is formed by a metal plate having a cluster of depending metal rods and an electrically non-conductive refractory compound rammed or cast around the rods and the bottom of the plate with the bottom ends of the bars exposed below the compound. The unit is adapted to be installed on the bricks with the bars' bottom ends in electrical connection with the bricks so as to form an electrically conductive hearth for the furnace.
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