ELECTRIC FURNACE AND STEELMAKING METHOD

An electric furnace has a burner directed toward furnace contents. The burner includes a powder-feeding pipe, a jet hole for jetting a fuel, and a jet hole for jetting combustion-supporting gas. Hydrogen gas or a hydrogen-enriched gaseous fuel is jetted as the fuel to form a burner flame. An auxilia...

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Bibliographic Details
Main Authors KAWABATA, Ryo, OGASAWARA, Futoshi
Format Patent
LanguageEnglish
Published 13.06.2024
Subjects
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Summary:An electric furnace has a burner directed toward furnace contents. The burner includes a powder-feeding pipe, a jet hole for jetting a fuel, and a jet hole for jetting combustion-supporting gas. Hydrogen gas or a hydrogen-enriched gaseous fuel is jetted as the fuel to form a burner flame. An auxiliary material is jetted through the powder-feeding pipe so that the auxiliary material passes through an inside of the burner flame. According to a steelmaking method, an electric furnace has a burner that includes a jet hole for jetting a fuel and a jet hole for jetting combustion-supporting gas and that jets a flame through the jet holes toward an inside of the electric furnace. Hydrogen gas or a hydrogen-enriched gaseous fuel is used as the fuel of the burner, and an auxiliary material is blown in to pass through an inside of the flame formed by the burner.
Bibliography:Application Number: US202218287140