Water-cooled electrode

Details Water-cooled electrode Water-cooled electrode

1982-09-27

1984-12-25

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode support

373 91, 373101, H05B 712

Patent

active

044908253

ABSTRACT:
A water-cooled arc furnace electrode includes a hollow metallic jacket having a cylindrical wall portion supported in spaced relation from a graphite electrode. A shell is spaced from and surrounds the wall portion and has a section extending below the wall portion and upwardly into engagement with the lower end thereof. A baffle is disposed between the wall portion and the shell to define a first cooling fluide passage for water flowed downwardly between the shell and the baffle and a second passage extending upwardly between the baffle and the wall portion. A plurality of spaced electrical contact members are mounted on the lower portion of the shell and are in pressure engagement with the electrode. The shell and the contacts provide a current path around a proportion of the electrode for increased conductivity and to minimize electrode oxidation.

REFERENCES:
patent: 2871278 (1959-01-01), Sandvold
patent: 4189617 (1980-02-01), Schwabe et al.
patent: 4287381 (1981-09-01), Montgomery

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