Abstract
In recent years, modern electrometallurgy has shown a trend towards the integrated use of various methods of intensifying the thermal performance of up-to-date arc steel furnaces. Thus, wall gas-oxygen burners and refining tuyers have become increasingly common to reduce electric power consumption. They are used to burn natural gas with process oxygen. The paper outlines the design of the burners of operating furnaces (VAI FUCHS, SMS DEMAG, and Research Production Company Etalon) and describes the design options for mixing natural gas with oxygen in the burner space, as well as in the divergent nozzle. ANSYS CFX software has been applied to study temperature fields and possible flashback, which resulted in the development of a burner design precluding flashback during kinetic combustion of natural gas in oxygen. The study revealed that the gas-oxygen burners used at the state-of-the-art operating arc steel furnaces are not designed for combustion of the initial premixed blend, as gaseous combustion is accompanied by the flare being drawn into the space inside the burner with a subsequent failure of the burner.
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Voronov, G.V., Glukhov, I.V. (2022). Natural Gas Burning with Process Oxygen in Up-to-Date Arc Steel Furnace Operating Space. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 7th International Conference on Industrial Engineering (ICIE 2021). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-85233-7_43
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