MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617064462 A) filed by Arcelormittal on May 21, 2026, for Method For Controlling The Stirring Of Molten Metal In A Steelmaking Furnace And Associated Steel Production Installation.
Inventors include Stechmann, Guillaume International Bureau; Sanchez, Mathieu; Brosse, Guillaume Intellectual; and Huber, Jean Christophe.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The method for controlling the stirring within a vessel (22) of a steelmaking furnace (20), comprising a metal bath (1) comprising molten metal (3) and a layer of slag (5), the method (100) comprising: - measuring at least two parameters representative of the metal bath (1) contained within the vessel (22) during stirring; - detecting, based on the measurement of the at least two parameters, the formation of an open-eye (8) in the slag layer (5); - adapting the stirring based on the detection of the formation of an open-eye (8); wherein the at least two parameters comprise a visual parameter measured on images of the slag layer (5) captured during stirring and a mechanical parameter representative of mechanical waves generated within the vessel (22) during stirring.
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