Abstract
This paper considers equipment for ferrous metallurgy, one of the areas of which is cast iron and steel production, and later the production of such products as hot-rolled and cold-rolled sheet, pipe, and rebar. Working with metal melts is a complex, energy-intensive process, but expensive cooking coal, which is usually used in the production of cast iron, is a fuel, the usage of which is usually harmful to the environment and also affects the overall cost of the production. The article presents references to melting units with a torch immersed in the melt, and a new design of the unit operating on a carbon and hydrogen mixture is proposed. The energy-efficient unit allows conducting redox reactions, alloying, and degassing the melt within a single multi-stage device. The key to the entire process of working with the melt is the organization of the submerged combustion torch due to the presence of a perforated hearth in the design of the unit. This paper presents a method of calculating the perforated hearth, which will allow obtaining a carbon and hydrogen mixture at the wall-melt boundary. Based on the results of the calculation, a graph of the dependence of the number of perforation holes on the planned heat capacity of the hearth is presented in the text.
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Strogonov, K., Kornilova, L., Popov, A., Zdarov, A. (2022). Continuous Steelmaking Unit of Bubbling Type. In: Irina, A., Zunino, P. (eds) Proceedings of the International Symposium on Sustainable Energy and Power Engineering 2021. SUSE 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-9376-2_6
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DOI: https://doi.org/10.1007/978-981-16-9376-2_6
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