| 鞍钢高炉入炉天然块矿的性能研究 |
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| 引用本文： | 刘杰,周明顺,翟立委,张辉,徐礼兵.鞍钢高炉入炉天然块矿的性能研究[J].矿冶工程,2013,33(4):94-97. |
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| 作者姓名： | 刘杰 周明顺 翟立委 张辉 徐礼兵 |
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| 作者单位： | 鞍钢股份有限公司技术中心, 辽宁 鞍山 114009 |
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| 基金项目： | 国家发改委项目(辽经科技[2008]195号);
辽宁“百千万人才工程”培养经费资助 |
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| 摘 要： | 研究了鞍钢常用的几种天然块矿的冶金性能、微观结构以及结晶水较高块矿的热分解特性, 并介绍了PB块在高炉的实际应用情况。结果表明, 块矿无论在爆裂指数、还原性方面都能满足鞍钢高炉的需求; PB块的热分解速度快于纽曼块, 反应区间更窄, 单位质量的吸热量远小于纽曼块, 有利于降低高炉焦比。在鞍钢高炉炉料中添加16%比例的块矿可以提高高炉的技术经济指标。
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| 关 键 词： | 炉料结构 配矿 天然块矿 冶金性能 热分解 |
| 收稿时间： | 2013-02-04 |
Research on Natural Lump Ores in Ansteel's Blast Furnace |
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| LIU Jie,ZHOU Ming-shun,ZHAI Li-wei,ZHANG Hui,XU Li-bing.Research on Natural Lump Ores in Ansteel's Blast Furnace[J].Mining and Metallurgical Engineering,2013,33(4):94-97. |
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| Authors: | LIU Jie ZHOU Ming-shun ZHAI Li-wei ZHANG Hui XU Li-bing |
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| Affiliation: | Technology Centre of Angang Steel Company Limited, Anshan 114009, Liaoning, China |
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| Abstract: | The metallurgical properties and microstructures of several kinds of natural lump ores commonly used in Ansteel, as well as the thermal decomposition characteristics of those lump ores with much crystal water have been studied. The practical applications of PB lump ores in blast furnace were introduced. The results show that both decrepitation indexes and reducibility of the lump ores can meet the requirements of the blast furnace in Ansteel. Compared to Newman lump ores, PB lump ores have higher thermal decomposition rate, narrower reaction interval and much lower heat absorption, which can help to decrease the coke ratio of the blast furnace. Addition of lump ores to the blast furnace burden at a ratio of 16% can improve the technical and economic indexes. |
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| Keywords: | burden composition proportioning natural lump ore metallurgical property thermal decomposition |
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