Results 11 to 20 of about 812 (179)
Modeling of partial reduction of hematite with carbon-monoxide in tunnel furnace [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2023 DRI production in tunnel furnaces sometimes encounters an incomplete degree of reduction. A model is required to tackle heterogeneous reaction rates, crucible heat transfer, and oxide morphology.
Salimibani S. +2 more
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Crystals, 2023 Blast furnace–basic oxygen furnace (BF–BOF) process is the predominant method for smelting vanadium titano-magnetite (VTM) in China. Hydrogen-rich (H2-rich) gas injection in BF is considered as an important way to reduce CO2 emission under the background
Ran Xin +7 more
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Acoustic Material Monitoring in Harsh Steelplant Environments
Applied Sciences, 2023 This paper provides novel insights into the robustness of machine learning and signal-processing-based acoustic material classification for material transport in modern iron- and steelmaking.
Adnan Husaković +3 more
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Estimation of Iron Ore Pellet Softening in a Blast Furnace with Computational Thermodynamics
Metals, 2021 In blast furnaces it is desirable for the burden to hold a lumpy packed structure at as high a temperature as possible. The computational thermodynamic software FactSage (version 7.2, Thermfact/CRCT, Montreal, Canada and GTT-Technologies, Aachen, Germany)
Mikko Iljana +2 more
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A Collaborative Optimization Strategy for Energy Reduction in Ironmaking Digital Twin
IEEE Access, 2020 The expenses of pig iron manufacturing stay in a relatively high level due to the large consumption of coke and ore. There are a variety of methods to optimize the ironmaking process, including multi-indexes method, production-oriented approach, and cost
Heng Zhou, Chunjie Yang, Youxian Sun
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A Comparison of Laboratory Coal Testing with the Blast Furnace Process and Coal Injection
Metals, 2021 The injection of coal through tuyeres into a blast furnace is widely adopted throughout the industry to reduce the amount of coke used and to improve the efficiency of the iron making process. Coals are selected depending on their availability, cost, and
Julian Steer +2 more
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A Graphical Tool to Describe the Operating Point of Direct Reduction Shaft Processes
Metals, 2023 This article presents a new graphical tool for direct reduction shaft processes inspired by the Rist diagram developed for blast furnaces. The tool represents gas flows using vectors, with specific consumption and specific oxidation as components to ...
Thibault Quatravaux
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Energy Consumption and CO2 Emissions in Ironmaking and Development of a Novel Flash Technology
Metals, 2019 The issues of energy consumption and CO2 emissions of major ironmaking processes, including several new technologies, are assessed. These two issues are interconnected in that the production and use of fuels to generate energy add to the total amount of ...
Hong Yong Sohn
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Metals, 2021 Through thermodynamic smelting experiments, nonisothermal and isothermal kinetics experiments, the effects of CO2–containing gas injection on the smelting of chromia–bearing vanadiferous titanomagnetite ore were investigated.
Hanlin Song +4 more
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Metals, 2018 The effects of microwave plasma induction and reduction on the promotion of the carbothermal reduction of iron oxides (α-Fe2O3, γ-Fe2O3, and Fe3O4) are investigated using in situ emission spectroscopy measurements during 2.45 GHz microwave processing ...
Jun Fukushima, Hirotsugu Takizawa
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