Danieli & C. Officine Meccaniche has patented a method for containing slabs during continuous casting using pairs of rolls, including electromagnetic rolls with stirrers. The equipment features a mold, containing rolls, and electromagnetic rolls creating a recirculation loop. This innovation aims to improve the casting process efficiency. GlobalData’s report on Danieli & C. Officine Meccaniche gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Danieli & C. Officine Meccaniche, Ore pre-treatment was a key innovation area identified from patents. Danieli & C. Officine Meccaniche's grant share as of May 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Method for containing slab during continuous casting with electromagnetic rolls
The granted patent (Publication Number: US11969782B2) discloses continuous casting equipment designed to cast slabs efficiently. The equipment includes a mold, electromagnetic rolls with internal electromagnetic stirrers to stir the liquid in the slab, and containing rolls that exert a containing action on the slab during casting. The electromagnetic rolls are configured to have a length less than the width of the slab, allowing a portion of the slab to protrude axially adjacent to auxiliary containing rolls. The equipment also features a first pair and a second pair of electromagnetic rolls spaced along the casting axis, each associated with non-electromagnetic auxiliary containing rolls aligned with them. The arrangement of rolls creates a recirculation loop between the pairs, enhancing the casting process.
Furthermore, the continuous casting equipment includes multiple containing rolls between the pairs of electromagnetic rolls to support the slab. The auxiliary containing rolls on each side of the casting axis have a specific length in relation to the electromagnetic rolls, with the first length being 10% to 40% of the second length. The first pair of electromagnetic rolls generates a force in one direction, while the second pair generates a force in the opposite direction, forming a balanced system for efficient casting. This innovative design aims to improve the casting process by ensuring proper containment and stirring of the liquid metal in the slab, ultimately enhancing the quality and efficiency of slab production in industrial settings.
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