Industrial electric heating furnaces – Arc furnace device – Electrode support
Patent
1986-08-13
1988-05-17
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Electrode support
H05B 712
Patent
active
047456191
ABSTRACT:
An electrode assembly for an electric arc furnace incorporates a water cooled sleeve which extends downwardly from an electrode clamp around a portion of a consumable electrode held by the clamp. During normal electrode movement, the sleeve is preferably telescopically received within, but spaced from, a water cooled annulus defining an opening in a furnace roof. A sliding seal is provided acting between the sleeve and the annulus, of a form which allows the sleeve to be lifted upwardly out of and re-inserted into engagement with the annulus. The annulus may be extended vertically to shroud the sleeve.
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