Extended length graphite electrode
OwnerDiane Artmaninventor
Life of this patent
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Abstract
An extended graphite electrode for use in an electric arc furnace facility, which includes joining at least two component graphite electrodes, at least one of which comprises a male tang having a ratio of male tang length to diameter of the electrode of at least about 0.60, to form a joined graphite electrode and transporting the joined graphite electric arc furnace facility.
Claims18
A method for producing an extended graphite electrode for use at an electric arc furnace facility, comprising joining at least two component graphite electrodes, at least one of which comprises a male tang having a ratio of male tang length to diameter of the electrode of at least about 0.60, to form a joined graphite electrode and transporting the joined graphite electric arc furnace facility.
A method for preparing an extended graphite electrode for use in an electric arc furnace facility, the process comprising
- (a) mixing coke and a pitch binder, to form a stock blend;
- (b) extruding the stock blend to form a green stock;
- (c) baking the green stock to form a carbonized stock;
- (d) graphitizing the carbonized stock by maintaining the carbonized stock at a temperature of at least about 2500° C. to form a graphitized stock;
- (e) machining the graphitized stock so as to form a male tang having a ratio of male tang length to diameter of the graphitized stock of at least about 0.60 to form a component graphite electrode;
- (f) joining at least two component graphite electrodes to form a joined graphite electrode;
- and
- (g) transporting the joined graphite electrode to an electric arc furnace facility.
Dependencies are inferred from the claim text.