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首页> 外文期刊>ISIJ international >New Method for Preparation of Coke Analogues and Comparability for Industrial Metallurgical Coke
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New Method for Preparation of Coke Analogues and Comparability for Industrial Metallurgical Coke

机译：制备焦炭类似物的新方法和工业冶金焦炭的可比性

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摘要

To better understand metallurgical coke behavior in blast furnace, the preparation of coke analogues was improved by using demineralized coke powder. Scanning electron microscope, Raman spectroscopy, mercury intrusion method, and CO_2 gasification reactivity test were used to establish the representativeness relation between different coke analogues and metallurgical cokes. The results show that the coke analogues prepared by graphite powder and demineralized metallurgical coke powder were in general representative of industrial coke. With the controlled and reproducible pore characteristic, the average pore diameter of coke analogues is smaller and the average pore area is bigger, while the pore connectivity of metallurgical coke is stronger. Analogue prepared from demineralized coke has a slight superiority over that prepared from graphite in carbon structure and gasification reaction with CO_2. In general, the coke analogue made from demineralized coke has higher comparability to industrial metallurgical coke and are more suitable for laboratory research.
机译：为了更好地了解高炉中的冶金焦炭行为，通过使用脱矿化焦炭粉末改善了焦炭类似物的制备。扫描电子显微镜，拉曼光谱，汞入侵方法和CO_2气化反应性试验用于建立不同焦炭类似物和冶金焦炭之间的代表性关系。结果表明，石墨粉和脱矿质冶金焦炭粉末制备的焦炭类似物均代表工业焦炭。随着受控和可重复的孔隙特征，焦炭类似物的平均孔径较小，平均孔面积越大，而冶金焦炭的孔连接较强。由脱矿质焦炭制备的类似物具有略微优于碳结构中石墨和与CO_2的气化反应制备的微小优势。通常，由脱矿石焦炭制成的焦炭类似物对工业冶金焦具有更高的可比性，更适合实验室研究。

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  • 来源
    《ISIJ international》 |2020年第9期|1918-1923|共6页
  • 作者

    Minmin SUN; Jianliang ZHANG; Kejiang Ll; Hongtao Ll; Ziming WANG; Chunhe JIANG;

  • 作者单位

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of China;

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of China School of Chemical Engineering University of Queensland St Lucia QLD 4072 Australia;

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of China;

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of China;

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of China;

    School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Beijing 100083 People's Republic of 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

    coke analogue; metallurgical coke; demineralization; comparability;

    机译：焦炭模拟;冶金焦炭;脱矿质;可比性;

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