Electrode for electric arc furnaces

Details Electrode for electric arc furnaces Electrode for electric arc furnaces

1983-09-13

1985-07-30

Eisenzopf, Reinhard J.

Industrial electric heating furnaces

Arc furnace device

Electrode

373 92, 373102, H05B 707

Patent

active

045326347

ABSTRACT:
An electrode for arc furnaces, comprising a metallic water-cooled upper section and a consumable, replaceable lower section, interconnected by means of a threaded nipple or the like. At least one light-receiving element is positioned in a zone associated with the interconnection of the cooled metal shaft and the consumable section. A light signal falling on the light-receiving element where the consumable section is in absence, is passed in a suitable manner via a light wave guide to a furnace control which activates a safety system.

REFERENCES:
patent: 3610601 (1971-10-01), Bishop, Jr.
patent: 3636228 (1972-01-01), Comentz
patent: 3741557 (1973-06-01), Harbaugh et al.
patent: 4121042 (1978-10-01), Prenn

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