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公开(公告)号：US20250146753A1
公开(公告)日：2025-05-08
申请号：US18684231
申请日：2022-08-17
Applicant: SMS group GmbH
Inventor： Hans Ferkel , Markus Reifferscheid , Thomas Henkel , Ingo Schuster
Abstract: The invention relates to an electric arc furnace having a furnace vessel with at least one electrode and a voltage supply connected to the at least one electrode, wherein: the furnace vessel has a lower vessel for receiving a melt and a cover for placing onto the lower vessel; the lower vessel has a tapping channel; and the cover has a retaining means for fastening the at least one electrode; the electric arc furnace is designed to determine a nitrogen content in the melt; and/or the electric arc furnace is designed to reduce the nitrogen content in the melt to less than or equal to 55 ppm, preferably to less than or equal to 45 ppm and particularly preferably to less than or equal to 35 ppm. The invention further relates to an operating method and to a use of an electric arc furnace.
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