Graphite electrode for steelmaking

This invention provides a kind of graphite electrode that can be effectively prevented from oxidizing and consuming during operation of an electric steel furnace, so that specific consumption of the electrode can be improved. The graphite electrode is used in an electric steel furnace that is operat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIRAISHI, CHIZUHIRO, HAINO, KAZUYOSHI, TSUCHIYA, MASAKATSU
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS REFRACTORIES RETORTS SLAG TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	This invention provides a kind of graphite electrode that can be effectively prevented from oxidizing and consuming during operation of an electric steel furnace, so that specific consumption of the electrode can be improved. The graphite electrode is used in an electric steel furnace that is operated while the electrode projecting upward from a furnace cover is cooled by cooling liquid that is sprayed on the surface of the electrode. The graphite electrode is characterized in that a concave and convex structure is formed on its surface.