Muravyeva Irina Gennadievna, Dr. Sci., (Engin.),, Head of Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; email:irinamuravyova@gmail.com
Ivancha Mykola Hryhorovych, Senior Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail:
otosu.to1@gmail.com
Biloshapka Olena Oleksiivna, Junior Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine,49107; e-mail:
beloshapka@zadarma.com
Vyshnyakov Valery Ivanovich, Research Scientist, Iron and Steel Institute named after Z.I. Nekrasovof the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: vvi-0705@mail.ru
Ermolina Ekaterina Petrovna, Lead Engineer, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107
Khodotova Nadiya Evstakhovna, Junior Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107

Analysis of the methods of management of the domain melt on the
basis of information about the form and position of the cohesive zone

Abstract. The aim of the work is to formulate recommendations on the
adoption of control actions on the course of smelting in modern conditions. The
ideology of the modern intellectual decision support system for blast smelting
management is based on providing the optimal plastic zone in the blast furnace
(DP). Blast furnace melting control methods are based on information on the
shape and position of the plastic zone in the blast furnace. According to the
results of research carried out by various scientists, it was shown that the plastic
zone is a hollow cone, the walls of which consist of alternating horizontal coke
layers with high gas permeability and low-permeable for gas layers of iron ore
materials that are in a softened, semi-molten state. The work describes the
factors that determine the shape and position of the plastic zone in the DP. The
analysis carried out showed that the mode of loading of charge materials has
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the main influence on the formation of the plastic zone. It was noted that, in
addition to various modeling methods, it is advisable to create a criterion for
assessing the shape and position of the plastic zone, which would take into
account its thickness, profile and position in the DP, to control and control the
blast smelting process. Developed recommendations for making management
decisions during smelting.
Keywords: blast furnace, plastic zone, charge distribution, furnace control
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