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Information-Simulating System for Distribution of Hot Blast and Natural Gas Through the Blast Furnace Tuyeres

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Metallurgist Aims and scope

The paper presents a description of the information modeling system for the distribution of hot blast and natural gas through the tuyeres of a blast furnace. The developed system is distinguished by considering the main physical and chemical laws and ongoing processes in the control object. The system is based on the method of determining the blast flow through the air tuyeres using the thermal power of the flow passing through the tuyere and the value of the heat removal taken from this tuyere. Based on the calculation results, the system determines the main parameters of the blast mode of the blast furnace and the parameters of individual tuyere hearths, including the theoretical combustion temperature, the blast velocity from the tuyere, the kinetic energy of the blast, the length of the oxygen and carbon dioxide combustion zones of the tuyere hearth, and others. The required natural gas consumption through the blast furnace tuyeres is calculated, which ensures the maintenance of the theoretical combustion temperature in the blast furnace tuyeres at a given level in the design mode. The architecture of the software is described, the characteristics of the modules are presented, and its operation is illustrated. The developed software can be used by the technological personnel of the blast-furnace process to improve the efficiency of blast-furnace smelting.

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Authors and Affiliations

  1. Yeltsin Ural Federal University (UrFU), Ekaterinburg, Russia

    N. A. Spirin, I. A. Gurin, V. V. Lavrov, K. A. Shipanov & G. A. Fedotov

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  1. N. A. Spirin
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  2. I. A. Gurin
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  3. V. V. Lavrov
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  4. K. A. Shipanov
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  5. G. A. Fedotov
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Correspondence to N. A. Spirin.

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Translated from Metallurg, Vol. 67, No. 7, pp. 91–96, July, 2023.

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Spirin, N.A., Gurin, I.A., Lavrov, V.V. et al. Information-Simulating System for Distribution of Hot Blast and Natural Gas Through the Blast Furnace Tuyeres. Metallurgist 67, 1006–1013 (2023). https://doi.org/10.1007/s11015-023-01590-5

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  • DOI: https://doi.org/10.1007/s11015-023-01590-5

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