Executed by LOI Thermprocess between 2023 and early 2025, the revamp included the replacement and repositioning of 91 burners with high-efficiency, hydrogen-capable models designed to reduce NOₓ emissions and improve performance. Additional measures included the extension of the convection section, installation of a new control system with redundancy, and restructuring of the furnace zones for optimised temperature control. The removal of the burner tunnel and improved furnace sealing are expected to deliver significant energy savings.
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“With the upgrade of HBO 3, we are sending a clear signal for sustainable production and technological excellence,” said Dr Christoph Evers, Head of the Medium Strip Mill at thyssenkrupp Hohenlimburg. “The new flameless burner technology is not only more efficient but also H₂-ready – a crucial step on our path to climate-neutral steelmaking.”
André Matusczyk, CEO of thyssenkrupp Hohenlimburg, added: “This investment is a clear commitment to the Hohenlimburg site and to the transformation of the steel industry. We are demonstrating that climate protection and industrial performance can go hand in hand.”
