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Development of a Three-Dimensional Mathematical Model for the Analysis of the Non-Uniform Distribution of Hydrogen-Containing Gases in a Blast Furnace

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Abstract:

The paper presents results of an improvement to the mathematical system of the two-dimensional equilibrium balance model of the blast furnace process (IMMDP). This improvement was made in terms of transition to three-dimensional modelling of both the furnace space and temperature fields, degrees of reduction, concentration potentials, etc. The model incorporates the azimuthal coordinate dependence of parameters, facilitating enhanced realism in furnace operation by accounting for the circumferential non-uniformity of blast and natural gas distribution over the blast furnace lances. This is particularly pertinent for the assessment of hydrogen gas utilization in support of international climate initiatives. The three-dimensional model facilitates data visualization, enhancing operator clarity. To this end, Python scripts have been developed to visualize both parameter distributions in selected planes and iso-surfaces in three-dimensional space. The data for visualization was obtained by interpolating the results of calculations performed using a two-dimensional model onto a regular grid. Resulting visualization enables the observation of the spatial distribution of the primary parameters of blast furnace operation (gas dynamics, heat exchange, reducing) on the monitor screen, thereby facilitating enhanced comprehension of its operation and optimized control process.

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Periodical:

Defect and Diffusion Forum (Volume 445)

Pages:

235-243

DOI:

https://doi.org/10.4028/p-bS4UmU

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Online since:

December 2025

Authors:

Andrey N. Dmitriev*, Yulia E. Burova, Mikhail M. Tsymbalist, Galina Yu. Vitkina

Keywords:

Blast Furnace, Mathematical Modelling, Programming, Temperature Fields, Three-Dimensional Representation

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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