Replacement electrode

Details Replacement electrode Replacement electrode

F - Mech Eng,Light,Heat,Weapons

27

D

307/24

F27D 11/10 (2006.01) H05B 7/10 (2006.01)

Patent

CA 2023993

ABSTRACT OF THE DISCLOSURE Instead of being replaced completely, worn bottom electrodes in an arc furnace are renewed by connecting a new electrode section at the lower end and then projecting the renewed electrode into engagement with a fresh charge of scrape metal to be melted in the furnace. Any recess formed in the refractory material of the bottom wall of the furnace by a mushroom head on the worn electrode may be filled with fresh refractory material.

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