Protection of graphite electrodes

Details Protection of graphite electrodes Protection of graphite electrodes

1982-06-28

1984-03-20

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode

118307, H05B 706

Patent

active

044385153

ABSTRACT:
Apparatus for protection of graphite electrodes of electric arc furnaces e.g. for steelmaking to reduce loss of graphite from sides of the electrode by oxidation has at least one generally arcuate spray unit and means for moving the spray unit towards and away from a side of the electrode. The spray unit has means for spraying protective matter towards the center of its arc. The apparatus permits protection of the part of an electrode between the electrode clamp and the furnace roof without removing the electrode from the roof.

REFERENCES:
patent: 2858555 (1958-11-01), Medovick
patent: 3344773 (1967-10-01), Engstrom et al.
patent: 3902669 (1975-09-01), Keibler
patent: 4324315 (1982-04-01), Charlton

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