Journals →  Chernye Metally →  2021 →  #2 →  Back

Iron and Steel Making
ArticleName Analysis of the influence of coke quality on the production of pig iron in the conditions of JSC “Ural Steel”
DOI 10.17580/chm.2021.02.01
ArticleAuthor D. R. Ganin, A. Yu. Fuks

Novotroitsk branch of the National University of Science and Technology (Novotroitsk, Russia):

D. R. Ganin, Cand. Eng., Associate Prof., Dept. of Metallurgical Technologies and Equipment, e-mail:

“Ural Steel” JSC (Novotroitsk, Russia):
A. Yu. Fuks, Chief Specialist for Sintering and Coking Production, Technical Directorate


The purpose of the study was to conformity of the quality of coke used in the blast-furnace shop of JSC “Ural Steel” meets the requirements recommended in the scientific literature, and to study its impact on the consumption of coke and the production of pig iron at the enterprise. For the study, the blast furnace № 1 with a useful volume of 1007 m3 and the blast furnace No. 4 with a useful volume of 2002 m3 were selected. The results of the analysis of data on the quality of coke over a three-year period: ash content, volatile matter and sulphur in the coke, the moisture content in the coke, the coke uniformity coefficient, indicators of the cold strength of coke (M25 and M10), indicators of coke hot strength (CSR) and reactivity of coke after high-temperature interaction with CO2 (CRI). Studies have revealed significant instability of the moisture content in the coke, which affects the change in its consumption, and heterogeneity of the granulometric composition of the coke, increasing the stability and uniformity of which would favorably affect the indicators of the blast furnace process. It was found that the values of the indicators of M10 coke attrition, hot strength of coke (CSR) and reactivity of coke (CRI) do not meet the recommendations of domestic and foreign scientists. Measures are proposed to improve the quality of coke, the implementation of which will increase the productivity of blast furnaces and reduce the consumption of coke per ton of pig iron.

keywords Coke quality, blast furnace, pig iron production, coke uniformity, coke cold strength, coke reactivity, coke hot strength

1. Gu K., Wu Sh., Kou M., Zhou H., Wang L., Yao Sh., Du B. Infl uence of Coke Quality on Main Technical Indexes of Blast Furnace. TMS 2018: 9th International Symposium on High-Temperature Metallurgical Processing. The Minerals, Metals & Materials Series. 2018. pp. 745–752.
2. Dmitriev А. N. Formation of coke quality by changing composition of the coal charge for coking, infl uence of coke quality on its consumption in blast furnace smelting and productivity. Chernaya metallurgiya. Byulleten nauchno-tekhnicheskoy i ekonomicheskoy informatsii. 2018. No. 4. pp. 40–44.
3. Malygin А. V., Maltsev V. А., Viduetskiy М. G. Ore preparation processes in smelting production. Ekaterinburg: ООО AMK “Den RA”, 2016. 445 p.
4. Muchnik D. A., Kassim D. А., Lyalyuk V. P., Shmeltser Е. О. Coke quality and prospects of blast-furnace smelting. Vologda: Infra-Inzheneriya, 2020. 228 p.
5. Shtafi enko N. S., Chevychelov А. V., Gridasov V. P., Pishnograev S. N., Stepanov Е. N. et. al. Study of infl uence of reactivity and hot strength of coke on performance of blast furnaces at the Magnitogorsk Iron and Steel Works. Chernaya metallurgiya. Byulleten nauchno-tekhnicheskoy i ekonomicheskoy informatsii. 2009. No. 3. pp. 29–32.
6. Stepanov Е. N., Mezin D. А., Shashkov О. А., Melnikov I. I., Roslyi А. Yu. et. al. Assessment of factors affecting the formation of CSR and CRI coke quality indicators. Stal. 2009. No. 10. pp. 9–11.
7. Efi menko G. G., Gimmelfarb А. А., Levchenko V. Е. Iron metallurgy. Kiev: Vyshcha shkola, 1988. 351 p.
8. Babarykin N. N. Blast furnace theory and technology. Magnitogorsk: GOU VPO “MGTU”, 2009. 257 p.
9. Vegman E. F., Zherebin B. N., Pokhvisnev А. N., Yusfi n Yu. S., Kurunov I. F. et. al. Iron metallurgy. Edited by Yu. S. Yusfi n. Moscow: IKTs “Akademkniga”, 2004. 774 p.
10. Leontev L. I., Yusfi n Yu. S., Malysheva Т. Ya., Shumakov L. S., Travyanov А. Ya. et. al. Raw materials and fuel base of ferrous metallurgy. Moscow: IKTs “Akademkniga”, 2007. 304 p.
11. Sibagatullin S. K., Kharchenko A. S., Savchenko G. Yu., Beginyuk V. A. Blast furnace performance improved through optimum radial distribution of materials at the top while changing the charging pattern. CIS Iron and Steel Rewiew. 2018. Vol. 16. pp. 11–14.
12. Smirnov А. N., Alekseev D. I. Analysis of mathematical models for management of М25, М10 coke quality indicators used at coke plants in Russia. Vestnik Irkutskogo gosudarstvennogo tekhnicheskogo universiteta. 2018. Vol. 22. No. 2. pp. 164–179.
13. Bigeev V. А., Vdovin К. N., Kolokoltsev V. М., Salganik V. М., Sibagatullin S. К. et. al. Basics of metallurgical production. Edited by V. М. Kolokoltsev. Saint-Petersburg: Lan, 2017. 616 p.
14. Tarasov V. P., Tarasov P. V. Blast furnace theory and technology. Moscow: Intermet-Inzhiniring, 2007. 384 p.
15. Tovarovskiy I. G., Merkulov А. Е. Regulatory assessment of influence of blast-furnace smelting parameters on coke consumption and productivity. Iron metallurgy — challenges of the XXI century: Proceedings of the VIII International blast furnace congress. Moscow: Izdatelskiy dom “Kodeks”, 2017. pp. 111–122.
16. Muchnik D. А., Babanin V. I. Possibilities for improving the coke quality outside an oven chamber. Moscow: Infra-Inzheneriya, 2014. 368 p.
17. Ghosh B., Sahoo B. K., Chakraborty B., Manjhi K. K., Das S. K. et al. Influence of coke structure on coke quality using image analysis method. International Journal of Coal Science & Technology. 2018. Vol. 5. pp. 473–485.
18. Sarenčišova J., Klika Z., Kolomaznik I., Bartoňnová L., Baran P. Relationships among coking and related cokes characteristics: a statistical evaluation. Acta Geodyn. Geomater. 2018. Vol. 15. No. 3. pp. 311–322.
19. Kardas E., Pustĕjovska P. Quality of coke used in blast furnace process — Analysis of selected parameters. QPI. 2019. Vol. 1, Iss. 1. pp. 602–609.

Language of full-text russian
Full content Buy