富氢高炉中焦炭与H<sub>2</sub>O的反应行为研究进展

周峰; 彭道胜; 李克江; Alberto N. Conejo; 廖昊添; 熊梓鑫; 李东涛; 张建良

doi:10.1007/s12613-024-2854-3

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文章导航 > 矿物冶金与材料学报（英文） > 2024 > 二校

Feng Zhou, Daosheng Peng, Kejiang Li, Alberto N. Conejo, Haotian Liao, Zixin Xiong, Dongtao Li, and Jianliang Zhang, Coke behavior with H₂O in a hydrogen-enriched blast furnace: A review, Int. J. Miner. Metall. Mater.,(2024). https://doi.org/10.1007/s12613-024-2854-3

Cite this article as:

Feng Zhou, Daosheng Peng, Kejiang Li, Alberto N. Conejo, Haotian Liao, Zixin Xiong, Dongtao Li, and Jianliang Zhang, Coke behavior with H2O in a hydrogen-enriched blast furnace: A review, Int. J. Miner. Metall. Mater.,(2024). https://doi.org/10.1007/s12613-024-2854-3

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特约综述

富氢高炉中焦炭与H₂O的反应行为研究进展

1)
北京科技大学冶金与生态工程学院, 北京 100083, 中国
2)
School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
3)
宝钢股份中央研究院武钢有限技术中心, 武汉430080, 中国
4)
首钢集团有限公司技术研究院, 北京100043, 中国
5)
绿色可循环钢铁流程北京市重点实验室, 北京100043, 中国

通讯作者:
李克江 E-mail: likejiang@ustb.edu.cn

张建良 E-mail: zhang.jianliang@hotmail.com

文章亮点

(1) 系统研究了焦炭在富氢高炉中的降解行为。

(2) 全面概述了H₂O对焦炭结构和性能的影响。

(3) 系统分析了H₂O和CO₂对焦炭的气化反应的不同影响。

中文摘要

富氢高炉炼铁已成为炼铁过程中减少二氧化碳排放的重要途径。用氢气替代焦炭和煤粉可降低燃料消耗和二氧化碳排放量。氢气是一种有效的还原剂，在还原铁矿石时会产生 H₂O，这对高炉焦炭的质量提出了新的要求。在富氢高炉中，H₂O促进了焦炭的溶损反应，提高了焦炭的反应性，在纯H₂O气氛中，焦炭的反应性比纯CO₂气氛中高20%–30%。焦炭与CO₂的活化能范围为110–300 kJ/mol，而焦炭与H₂O的活化能范围为80–170 kJ/mol。研究表明，CO₂和H₂O对焦炭降解机制有不同的影响。本综述回顾了当前在高炉内引入氢气对焦炭的气化行为以及降解机制的研究进展，并全面概述了H₂O对焦炭结构和性能的影响。通过探索H₂O与焦炭之间的相互作用，旨在为焦炭在富氢环境中的降解行为提供有价值的见解，促进富氢高炉炼铁工艺的进一步发展。

关键词:

Invited Review

Coke behavior with H₂O in a hydrogen-enriched blast furnace: A review

+ Author Affiliations

1)
School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
2)
School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
3)
Baosteel Central Research Institute (R & D Center of Wuhan Iron & Steel Co., Ltd.), Wuhan 430080, China
4)
Shougang Research Institute of Technology, Shougang Group Corporation Ltd., Beijing 100043, China
5)
Beijing Key Laboratory of Green Recyclable Process for Iron and Steel Production Technology, Beijing 100043, China

Jianliang Zhang is an editorial board member for this journal and was not involved in the editorial review or the decision to publish this article. The authors declare no potential conflict of interest.

Corresponding authors:
Kejiang Li E-mail: likejiang@ustb.edu.cn

Jianliang Zhang E-mail: zhang.jianliang@hotmail.com
Received: 27 November 2023; Revised: 7 February 2024; Accepted: 14 February 2024; Available online: 19 February 2024

Abstract

Abstract

Hydrogen-enriched blast furnace ironmaking has become an essential route to reduce CO₂ emissions in the ironmaking process. However, hydrogen-enriched reduction produces large amounts of H₂O, which places new demands on coke quality in a blast furnace. In a hydrogen-rich blast furnace, the presence of H₂O promotes the solution loss reaction. This result improves the reactivity of coke, which is 20%–30% higher in a pure H₂O atmosphere than in a pure CO₂ atmosphere. The activation energy range is 110–300 kJ/mol between coke and CO₂ and 80–170 kJ/mol between coke and H₂O. CO₂ and H₂O are shown to have different effects on coke degradation mechanisms. This review provides a comprehensive overview of the effect of H₂O on the structure and properties of coke. By exploring the interactions between H₂O and coke, several unresolved issues in the field requiring further research were identified. This review aims to provide valuable insights into coke behavior in hydrogen-rich environments and promote the further development of hydrogen-rich blast furnace ironmaking processes.
- hydrogen ironmaking;
- coke behavior;
- blast furnace;
- gasification;
- microstructure;
- kinetics

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富氢高炉中焦炭与H₂O的反应行为研究进展

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Coke behavior with H₂O in a hydrogen-enriched blast furnace: A review

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富氢高炉中焦炭与H₂O的反应行为研究进展

Coke behavior with H₂O in a hydrogen-enriched blast furnace: A review