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冶金级氧化铝颗粒磨损指数分析
引用本文:杨酉坚,齐俊峰,庞小娟,王兆文. 冶金级氧化铝颗粒磨损指数分析[J]. 东北大学学报(自然科学版), 2021, 42(6): 801-806. DOI: 10.12068/j.issn.1005-3026.2021.06.007
作者姓名:杨酉坚  齐俊峰  庞小娟  王兆文
作者单位:(东北大学 冶金学院, 辽宁 沈阳110819)
基金项目:国家自然科学基金资助项目(51804069); 中央高校基本科研业务费专项资金资助项目(N2025033).
摘    要:为了保证冶金级氧化铝的高效输送和加料,对氧化铝的粒径分布和抗磨损性能提出一定要求,研究和探讨了冶金级氧化铝的抗磨损性能.利用依据国家标准设计的氧化铝磨损指数测定仪,对从不同氧化铝企业采样的32种氧化铝进行了磨损前后的粒径分布测试和磨损指数计算,研究了磨损指数和粒径分布之间的关系.数据分析结果重新强调了综合考虑磨损指数和粒度分布的重要性.同时分析了铝电解干法烟气净化系统对氧化铝的磨损程度.还提出了一种衡量氧化铝粒径分布好坏的方法.

关 键 词:冶金级氧化铝  粒度分布  磨损指数  干法烟气净化系统  铝电解,
修稿时间:2020-07-29

Analysis of Attrition Index of the Smelter Grade Alumina Particle
YANG You-jian,QI Jun-feng,PANG Xiao-juan,WANG Zhao-wen. Analysis of Attrition Index of the Smelter Grade Alumina Particle[J]. Journal of Northeastern University(Natural Science), 2021, 42(6): 801-806. DOI: 10.12068/j.issn.1005-3026.2021.06.007
Authors:YANG You-jian  QI Jun-feng  PANG Xiao-juan  WANG Zhao-wen
Affiliation:School of Metallurgy, Northeastern University, Shenyang 110819, China.
Abstract:In order to ensure an efficient transportation and smooth feeding of the smelter grade alumina, certain particle size distribution and attrition index of the alumina are required. The attrition resistance of the smelter grade alumina is studied and discussed. The particle size distribution and attrition index of 32 alumina samples collected from different alumina plants were measured and calculated by using a self-made alumina attrition index analyzer. The relationship between alumina attrition index and particle size distribution was analyzed. The experimental results emphasized the importance of the combination of the attrition index and particle size distributions. Meantime, the attrition rate of alumina in the dry scrubbing system was analyzed. A method was proposed to evaluate the particle size distribution of alumina.
Keywords:smelter grade alumina   particle size distribution   attrition index   dry scrubbing system   aluminum electrolysis,
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