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2024 | OriginalPaper | Buchkapitel

Effect of Fe₂O₃ on Blast Furnace Coal Combustion Under Local Oxygen Enrichment

verfasst von : Zhenfeng Zhou, Zukang Wan

Erschienen in: Energy Technology 2024

Verlag: Springer Nature Switzerland

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Abstract

The use of coke will be greatly reduced by much pulverized coal injection. The pulverized coal injection rate of blast furnace can be greatly increased by local oxygen-enrichment method. However, the cooling effect of room-temperature oxygen delays the devolatilization process and the entire coal combustion process will be delayed. To increase the pyrolysis rate will weaken the cooling effect of room-temperature oxygen on coal combustion. The pyrolysis rate increases and activating energy decreases with Fe₂O₃ addition. In this study, the effect of Fe₂O₃ on coal combustion in the blast furnace was simulated. The effect of Fe₂O₃ without oxygen enrichment on coal burnout is unobvious. For local oxygen enrichment, the coal burnout greatly increases and has a maximum increase of 22.03%.

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Titel: Effect of Fe2O3 on Blast Furnace Coal Combustion Under Local Oxygen Enrichment
verfasst von: Zhenfeng Zhou
Zukang Wan
Verlag: Springer Nature Switzerland
Buch: Energy Technology 2024
Print ISBN: 978-3-031-50243-9

Electronic ISBN: 978-3-031-50244-6

Copyright-Jahr: 2024
DOI: https://doi.org/10.1007/978-3-031-50244-6_20