DOI: 10.52150/2522-9117-2024-38-292-307

Tohobytska Daria Mykolaivna, D. Sc. (Tech.), Professor, Head of Department, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0001-6413-4823. E-mail: dntog@ukr.net

Povorotnia Iryna Romanivna, Ph. D. (Tech.), Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID 0000-0001-5872-7403

Piptyuk Vitalii Petrovych, Ph. D. (Tech.), Senior Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0002-2915-1756

Kuksa Oleh Volodymyrovych, Ph. D. (Tech.), Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, Ukraine, 49107. ORCID: 0000-0002-6268-0692

COMPREHENSIVE ASSESSMENT OF THE PROPERTIES OF ADDITIVES AS A NECESSARY COMPONENT OF THE INTELLIGENT DECISION-MAKING SYSTEM IN THE PROOFING OF STEEL AT THE LADLE-FURNACE INSTALLATION

Abstract. The information basis for theoretical and applied metallurgy in developing solutions aimed at improving existing and developing fundamentally new technological schemes for the manufacture of high-quality metal products are problem-oriented programs, which should be based on a reliable database and models. Analysis of modern specialized computer programs indicates a significant lack of such models for multi-component melts, which are the main participants in metallurgical processes – metal, slag, additives. The main task of the work is to create a set of basic models for predicting the primary physicochemical and thermophysical properties of metal melts in order to directionally form high-quality metal and increase its competitiveness. The original concept of directional chemical bonding was chosen as the basis for modeling, the core of which is the consideration of metal melts as chemically unified systems, rather than a mechanical mixture of constituent elements and taking into account the contribution of all components, even in small concentrations. The work uses an important information component, which is a database on the properties of metallurgical melts, which is continuously updated with modern data and contains the results of our own and industrial experimental research and literature search (articles, patents, inventions, scientific developments, monographs). The significance of databases is undeniable and requires their introduction to the interdisciplinary and interuniversity level with open access, as a separate instance to promote the development of the scientific level and capabilities of scientists. Adequate mathematical models have been developed based on the integral parameters of interatomic interaction, which ensured high accuracy of the operational forecast (R²≥0.9). The results of the research are recommended for use in scientific research and industrial conditions for the purpose of directed formation of the composition and properties of smelting products, as well as reducing energy costs, reducing defects by making operational technological decisions by integrating the developed models into automated scientific research systems and automated control systems for the technological process of steelmaking.

Key words: metal, additives, ferroalloys, parameters of interatomic interaction, modeling, physicochemical properties, thermophysical properties, ladle furnace (LF) installation

DOI: https://doi.org/10.52150/2522-9117-2024-38-292-307

For citation: Togobytska, D. M., Povorotnia, I. R., Piptyuk, V. P., & Kuksa, O. V. (2024). Comprehensive assessment of the properties of additives as a necessary component of the intelligent decision-making system in the proofing of steel at the ladle-furnace installation. Fundamental and applied problems of ferrous metallurgy, 38, 292-307. https://doi.org/10.52150/2522-9117-2024-38-292-307

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