Togobitskaya Daria Nikolaevna, Dr. Sci. (Engin.), Professor, Head of the Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; email: dntog@ukr.net, isi-ofhp@mail.ru ORCID 0000-0001-6413-4823
Vergun Alexander Sergeevich, Dr. Sci., (Engin.), Senior Research Scientist, Iron and Steel Institute named after Z.I. Nekrasovof the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: ovoch-isi@outlook.com, ORCID 0000-0001- 5493-9214
Molchanov Lavr Sergeevich, PhD (Engin.), Senior Research Scientist, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; ORSID 0000-0001-6139-5956
Kislyakov Vladimir Gennadyevich, PhD (Engin.), Senior Researcher, Head of Department, Iron and Steel Institute named after Z.I. Nekrasovof the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: ovoch-isi@outlook.com, vovkadragon@yandex.ua, ORCID 0000-0002-1775-5050
Likhachev Yuri Mikhailovich, Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107;
Khodotova Nadiya Evstakhivna, Junior Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107;

«Out-of-furnace cast iron processing» subsystem in the solution of
tasks for the choice of rational technology for producing quality metal
products under the applicable conditions of raw material and technological.

Summary. The creation of end-to-end technology for the production of
competitive metal products in modern conditions puts on the agenda the task of
choosing the optimal metal production technology scheme. In solving this
problem, a significant role belongs to the development of an informationmodeling system for analysis and decision making. An important link in endto-end technology is the after-furnace treatment of cast iron. As the analysis of
various technological solutions for pig iron desulfurization has shown, the
«Фундаментальні та прикладні проблеми чорної металургії. – 2019. – Вып.33
«Fundamental and applied problems of ferrous metallurgy». – 2019. – Collection 33
ISSN 2522-9117 «Fundamental’nye i prikladnye problemy černoj metallurgii». – 2019. – Vypusk 33
107
process developed at the Institute of Ferrous Metallurgy is currently the
most economical, rational and preferred. The process is carried out by blowing
through the immersed tuyeres of dispersed granular magnesium without
additives. A special dosing and injection system is used. The developed process
has undergone numerous industrial testing at domestic and foreign factories. To
optimize the process of end-to-end technology and its informationmathematical support, modular mathematical models have been developed. An
integrated database has been created that summarizes information on the
parameters of cast iron desulfurization technology with granular magnesium.
The expert system «Out-of-furnace cast iron processing» is described and
presented, which allows to obtain high-quality metal products. The adequacy of
the developed model for predicting the specific consumption of magnesium in
the after-furnace treatment of cast iron was studied. The completed
developments created the prerequisites for building the architecture of the
Expert Decision Making System. The replenishment of the database with
information on current and other technologies for pig iron desulfurization will
make it possible to refine the existing and obtain descriptive models for various
reagents, which will serve as the basis for the algorithmic support of the
analytical unit of the expert system.Key words: desulfurization, hot metal,
magnesium, information system, model.
Key words: desulfurization, cast iron, magnesium, information system, model.
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