Electric arc furnace for the production of steel and method of operating this furnace

US6229838A · kind A · utility

Assignee

• L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR

Inventors

• Sebastien Flichy · Paris, FR
• Jacky Laurent · Saint-Cyr-l'École, FR
• Frederic Viraize · Sceaux, FR
• Marc Bremont · Paris, FR
• Jean-Claude Vuillermoz · Paris, FR

Key dates

• Filing date: Apr 28, 2000
• Grant date: May 8, 2001
• Expiry date: Apr 28, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/20
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An electric arc furnace is provided for the production of steel by melting metal between electrodes. The electric arc furnace comprises gas injectors provided with respective cooling chambers placed in a wall of the furnace, wherein at least one single chamber is associated with at least two injectors in order to cool each injector. Each injector is angled in a manner appropriate with respect to a corresponding gas injected thereby and to a corresponding function thereof, wherein the orientation axes of the injectors are not parallel.