Assembly of furnace electrodes

Details Assembly of furnace electrodes Assembly of furnace electrodes

1977-12-20

1979-07-24

Envall, Jr., R. N.

H05B 714

Patent

active

041623681

ABSTRACT:
Electrode breakages in segmented carbon electrodes used in continuous electric arc furnaces are overcome by an electrode assembly procedure in which the nipples which join the electrode segments are screwed together with the appropriate socket in the electrode segment under tension. The tensioning causes honing of the abutting thread faces of the nipple and socket and an increased area of thread content is achieved in the assembled electrode. In this way, improved joint strength and electrical conductivity through the electrode and decreased differential thermal stresses within the joint are achieved.

REFERENCES:
patent: 3517954 (1970-06-01), Snyder et al.
patent: 3550270 (1970-12-01), Watson, Jr. et al.

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