Computer modelling of burden distribution in the blast furnace equipped by a bell-less top charging system

This article describes the simulation method for layering the components of the charge in the blast furnace, including the particle size distribution and gas flow distribution of bell-less top charging systems in blast furnaces. The Burden Distribution application, which simulates the charge in blas...

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Bibliographic Details
Published in:Ironmaking & steelmaking 2021-11, Vol.48 (10), p.1226-1238
Main Authors: Fojtik, David, Tuma, Jiri, Faruzel, Petr
Format: Article
Language:English
Subjects:
algorithm
application
bell-less top
Blast furnace
burden distribution
computer simulation
segregation
stack profile
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Summary:This article describes the simulation method for layering the components of the charge in the blast furnace, including the particle size distribution and gas flow distribution of bell-less top charging systems in blast furnaces. The Burden Distribution application, which simulates the charge in blast furnaces operated by the company Třinecké železárny (ironworks) to optimize the production of pig iron, applied this simulation method. Based on the parabolic trajectory of the material falling from the tilting chute of the bell-less top charging system, the method is calculating the profile of individual charge layers. The material forms after impact according to known angles of repose, segregating into individual granulometric size fractions. The data incorporated into the simulation enables the estimation of charge and gas flow distribution along the radius of the blast furnace shaft. The article presents the used mathematical models and equations, including algorithms of the simulation.
ISSN:0301-9233
1743-2812
DOI:10.1080/03019233.2021.1952829