Prefabricated unit for a DC arc furnace

Details Prefabricated unit for a DC arc furnace Prefabricated unit for a DC arc furnace

1979-12-28

1981-07-07

Envall, Jr., Roy N.

F27D 100, H05B 700

Patent

active

042776384

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.

REFERENCES:
patent: 1304350 (1919-05-01), Moore
patent: 1763248 (1930-06-01), Moore
patent: 1965080 (1934-07-01), Kemmer
patent: 2528905 (1950-11-01), Ollivier et al.

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