Electric arc furnace

Details Electric arc furnace Electric arc furnace

1982-03-12

1984-11-06

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode support

188378, H05B 710

Patent

active

044816383

ABSTRACT:
The invention relates to an electric arc furnace having three electrodes arranged in a triangle and wherein the electrodes are held by parallel support arms for reducing electrode breakages. At least the support arm of the electrode most susceptible to breakage is provided with a resonance absorber whose natural frequency is tuned to the frequency of the support arm/electrode system for rocking vibrations in the plane of the support arm/electrode.

REFERENCES:
patent: 4351515 (1982-09-01), Yoshida

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