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ArticleName Development and application of normative timing models for the modernization of an electric steel-smelting shop
DOI 10.17580/chm.2022.04.02
ArticleAuthor R. A. Gizatulin, A. I. Musatova, N. V. Martyushev, D. V. Valuev, A. I. Karlina

Siberian State Industrial University, Novokuznetsk, Russia:

R. A. Gizatulin, Dr. Eng., Associate Professor, Professor Dept. of Nonferrous Metallurgy and Chemical Technology, e-mail:
A. I. Musatova, Senior Lecturer, Dept. of Management and Sectoral Economics, e-mail:


National Research Tomsk Polytechnic University, Tomsk, Russia:
N. V. Martyushev, Cand. Eng., Associate Professor, Dept. of Materials Science, Engineering School of New Production Technologies, e-mail:;


Yurga Technological Institute (branch) of the National Research Tomsk Polytechnic University, Yurga, Russia:
D. V. Valuev, Cand. Eng., Associate Professor, e-mail:;


Moscow State University of Civil Engineering, Moscow, Russia:
A. I. Karlina, Cand. Eng., Researcher, e-mail:


A promising direction of the effectiveness of the functioning of complex industrial complexes is the construction and analysis of their normative models. In order to substantiate the normative productivity of the electric steel-making shop, standard clock models have been created for the operation of each piece of equipment in the departments of the electric steelmaking shop: preparation of charge materials, furnace, out-of-furnace treatment, continuous casting of steel. The process of building a clock model is given, including the following stages: decomposition of an object (shop); classification of production operations and elements, the choice of the method for determining the standard values of the ticks, the establishment of thecal culated unit of production; calculation of process cycles for each department, estimation of the unit operation cycle. The structure of clock models of functioning of the equipment of the main (furnace), as well as auxiliary departments is presented in detail. An algorithm for determining the cycle of work of an electric steel-making shop has been formed. Comprehensive studies (monitoring of equipment operation, timing observations, processing of statistical data) in electric steel-smelting shops and the values of cycles obtained by modeling revealed the existing «bottlenecks» (disproportions) that reduce the productivity of the shop and a recommended option for modernization in the out-of-furnace department steel processing. A comparative analysis of the normative values of the main technical and economic indicators before and after the proposed reconstruction, which will allow to reduce the cycle of the furnace department, reduce hot downtime, increase productivity, the actual fund of the workshop operation and production output, is carried out, while there will be a decrease cost of production, increasing profits and profitability from the sale of commercial products.

keywords Productivity, clock cycles, decomposition, technique, modeling, standards, results

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