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Economical and Efficient Protection for Blast Furnace Hearth

机译：经济高效地保护高炉炉膛

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摘要

In order to clarify the erosion mechanism of carbon brick and realize the economical and efficient protection for blast furnace hearth at the end of the service. The damaged carbon bricks were sampled from a commercial blast furnace, the microstructure of the damaged carbon bricks was analyzed through SEM and EDS. The carbon undersaturation degrees of molten iron for different volume blast furnace were calculated, the dissolution and the penetration were considered as the reasons for the erosion of carbon brick. A model of economical and efficient protection for hearth was established based on various factors, the economy of protection raw material and the protection effect can be evaluated through the model. The model guides the selection of the economical protection raw material according to the evaluation, the reasonable operation can be obtained according to the calculation of the fettling rate.
机译：为了阐明碳砖的腐蚀机理，并在服务结束时实现对高炉炉床的经济有效保护。损坏的碳砖从商业高炉中取样，通过SEM和EDS分析损坏的碳砖的微观结构。计算了不同体积高炉铁水的碳不饱和度，认为其溶解和渗透是造成碳砖腐蚀的原因。建立了基于多种因素的经济高效的炉膛保护模型，通过该模型可以评价保护原料的经济性和保护效果。该模型根据评价结果指导经济保护用原料的选择，并根据浮选率的计算得出合理的操作方法。

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  • 来源
    《ISIJ international》 |2018年第7期|1198-1203|共6页
  • 作者

    Yong DENG; Jian-liang ZHANG; Ke-xin JIAO;

  • 作者单位

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

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

    blast furnace; economical and efficient protection; carbon undersaturation degree; economic evaluation; fettling rate;

    机译：高炉;经济有效的保护;碳不饱和度经济评估;洗手率;

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