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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Advances in Pyrometallurgy: Furnace Containment
Presentation Title Slag Optimization with Respect to Steel Quality and Refractory Protection in a Steel Ladle Furnace
Author(s) Elmira Moosavi, Kianoosh Kaveh, Mohammad Jahazi
On-Site Speaker (Planned) Elmira Moosavi
Abstract Scope Steel produced from an electric arc furnace is refined in the secondary steelmaking process such as the ladle metallurgical furnace, to remove harmful impurities such as sulfur. Slag optimization is fundamental to steelmaking, as poor slag practices reduce steel quality and refractory life, increasing production downtime and costs. There could be a trade-off between the slag desulfurization capacity and slag chemical neutrality in relation to the refractory lining. This work aims to optimize a ladle furnace slag to protect refractory lining and simultaneously maintain the slag’s desulfurization capacity, taking into account stringent steel quality requirements. A systematic thermodynamic evaluation is carried out to optimize slag basicity and viscosity as a function of process parameters in a dynamic industrial context, the details of which are discussed in the present work.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Modified Rotating Finger Test Aiming to Quantify Refractory Wear Based on Fundamental Equations Governing Refractory Dissolution and Erosion
Characterization of a Nickel Flash Smelter Refractory Material – The Effect of Thermal Gradient
Composite Copper-graphite Cooler for PGM Furnace Sidewall
Considerations for Robust Containment of Operating Furnaces
Corrosion Behavior of MgO-C Refractory in the Electric Arc Furnace that Entirely Uses Direct Reduced Iron as Raw Materials
Corrosion of Alkali Metals on SiC-Si3N4 Refractory of Pusher Kiln
Designing Smelting Furnaces to Meet Process Requirements
Development of Prediction Criteria for Gas Channeling in Blast Furnace
Electric Furnace Integrity Practices and Design Improvements Over 45 Years of Operation - Sudbury Integrated Nickel Operations, A Glencore Company
Flexospheres Technology - Improved Flexibility and Corrosion Resistance of Fired Magnesia-chromite Bricks
Freeport-McMoRan Miami - Waste Heat Boiler Availability Improvements
Important Microstructural Features of Refractory Bricks and Their Relation With the Degradation Mechanisms
Improving Maintenance Safety and Campaign Life of Tuyere Lines in Bath Smelting and Converting Using Punchless Tuyeres
Long Long-term Safety Work of 3 # Blast Furnace Hearth
Reflections on the Design of Cooling Systems for Furnace Containment
Slag Optimization with Respect to Steel Quality and Refractory Protection in a Steel Ladle Furnace
Study on Slag Phase Erosion Behavior and Mechanism of Carbon Composite Brick in Hydrogen-rich Blast Furnace Hearth
Sustainability in the Production of Refractory Products - Ensuring an Optimal Circular Economy
The Importance of Understanding Mechanisms in Open-bath (DC) Processes Related to Furnace Containment
The Optimisation of ISASMELT™ Furnace Linings and Cooling Elements to Achieve Low Annualised Costs

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