Protection of graphite electrodes
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United States of America Patent
Stats
-
Mar 20, 1984
Grant Date -
N/A
app pub date -
Jun 28, 1982
filing date -
Jun 26, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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