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Petrographic analysis and characterisation of a blast furnace coke and its wear mechanisms

机译:高炉焦炭的岩相分析,表征及其磨损机理

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摘要

Petrographic analysis of coke samples from the tuyere level of an operating blast furnace was carried out using a combination of advanced microscopy techniques including high resolution bireflectance and maximum reflectance measurements. A novel tribological approach was employed to investigate the wear mechanisms of the same cokes. The study showed that the wear mechanisms of coke are influenced by its microstructure and microtexture, as well as the strength and nature of the interfaces between the different coke textural constituents. The wear mechanisms of the cokes were found to vary with location from the tuyere entrance of the blast furnace and also differed to the feed coke. This is the first example of the application of petrographic analysis of cokes from an operating blast furnace to identify the difference in hardness and interaction strength of the distinct coke textural constituents. This research contributes towards improving understanding of the complex mechanisms of coke degradation in operating blast furnaces. (C) 2017 Elsevier Ltd. All rights reserved.
机译:使用先进的显微镜技术(包括高分辨率双反射率和最大反射率测量值)进行组合,对运行中的高炉风口处的焦炭样品进行了岩相分析。一种新颖的摩擦学方法被用来研究相同焦炭的磨损机理。研究表明,焦炭的磨损机理受其微观结构和微观结构,以及不同焦炭结构成分之间界面的强度和性质的影响。发现焦炭的磨损机理随高炉风口入口的位置而变化,并且也与进料焦炭不同。这是在运行中的高炉中对焦炭进行岩石学分析的第一个示例,用于识别不同焦炭质地成分的硬度和相互作用强度的差异。这项研究有助于增进人们对高炉运行中焦炭降解的复杂机理的理解。 (C)2017 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Fuel》 |2017年第15期|89-99|共11页
  • 作者单位

    Univ Newcastle, Newcastle Inst Energy & Resources, Sch Engn, Ctr Ironmaking Mat Res, Callaghan, NSW 2308, Australia;

    UNSW Australia, Sch Mat Sci & Engn, Sydney, NSW 2052, Australia;

    Pearson Coal Petrog, 1-740 Discovery St, Victoria, BC, Canada;

    Univ Newcastle, Newcastle Inst Energy & Resources, Sch Engn, Ctr Ironmaking Mat Res, Callaghan, NSW 2308, Australia;

    CSIRO, Data61, 11 Julius Ave, N Ryde, NSW 2113, Australia;

    CSIRO, Data61, 11 Julius Ave, N Ryde, NSW 2113, Australia|Univ Queensland, Sch Math & Phys, St Lucia, Qld, Australia;

    SSAB Europe, Raahe, Finland;

    Univ Newcastle, Newcastle Inst Energy & Resources, Sch Engn, Ctr Ironmaking Mat Res, Callaghan, NSW 2308, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Blast furnace coke; Coke microtexture; Coke strength; Petrography; Tribology; Wear;

    机译:高炉焦炭;焦炭显微组织;焦炭强度;石相学;摩擦学;磨损;

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