碳复合砖与高炉矿渣的界面反应

IF 1.7 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Ironmaking & Steelmaking Pub Date : 2023-05-18 DOI:10.1080/03019233.2023.2199609

Cui Wang, Jian-liang Zhang, K. Gao, K. Jiao, Zheng-jian Liu, Xue-wei Zhang

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引用次数: 1

摘要

摘要研究了碳复合砖与高炉矿渣的界面反应，阐明了高炉碳复合砖表面富渣保护层的形成和演化机理。分析了不同碱度、添加MnO、CaF2和FeO的原/改性砖与矿渣之间的润湿性、微观形态、相组成和反应层厚度。结果表明，富渣保护层沉积过程的机理与砖和焦炭中的灰分、焦炭夹带的炉渣、砖和炉渣与炉渣中MnO、FeO等氧化物的润湿性、铁液中析出的Ti（C，N）等有关。

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Interface reaction between carbon composite brick and blast furnace slag

ABSTRACT The interface reaction between carbon composite brick and blast furnace slag was investigated to clarify the formation and evolution mechanism of slag-rich protective layer on the brick’s surface in blast furnace. The wettability, microscopic morphology, phase components and thickness of the reaction layer between the original/modified brick and slag with different basicities, MnO, CaF2 and FeO additions were analyzed respectively. The results revealed that the mechanism of the deposition process of the slag-rich protective layer was relevant to the ash in the brick and coke, and the slag entrained by coke, the wettability between the brick and slag and the oxides such as MnO and FeO in the slag, the precipitated Ti(C,N) from the molten iron, etc.

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来源期刊

Ironmaking & Steelmaking 工程技术-冶金工程

CiteScore

3.70

自引率

9.50%

发文量

125

审稿时长

2.9 months

期刊介绍： Ironmaking & Steelmaking: Processes, Products and Applications monitors international technological advances in the industry with a strong element of engineering and product related material. First class refereed papers from the international iron and steel community cover all stages of the process, from ironmaking and its attendant technologies, through casting and steelmaking, to rolling, forming and delivery of the product, including monitoring, quality assurance and environmental issues. The journal also carries research profiles, features on technological and industry developments and expert reviews on major conferences.