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Effects of key factors of rotary triboelectrostatic separator on efficiency of fly ash decarbonization

机译:旋转摩擦静电分离器关键因素对粉煤灰脱碳效率的影响

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摘要

On the basis of understanding the principle of rotary triboelectrostatic separation, dynamic analysis of charged fly ash particles aimed at determining the key factors and separation experiments to improve decarbonization efficiency had been carried out. Variables of electrode plate voltage and corrected wind speed are the key factors which affect the decarbonization efficiency on the separation of fly ash. The results of separation experiments show that: (1) With the plate voltage increasing, the efficiency of decarbonization continuously rises and in its selected range, the optimal voltage level is 45 kV; (2) The corrected wind speed can impact the efficiency of decarbonization significantly: with the speed increasing, the efficiency of decarbonization shows a trend of first decline, then increase and decrease again, and in its selected range, the optimal speed is 2.0 m/s. This study is of significance for the improvement of rotary triboelectrostatic separation performance and its decarbonization separation efficiency.
机译:在理解旋转摩擦静电分离原理的基础上,进行了带电粉煤灰颗粒的动态分析,旨在确定关键因素,并进行了分离实验以提高脱碳效率。电极板电压和校正风速的变量是影响粉煤灰分离脱碳效率的关键因素。分离实验结果表明:(1)随着板极电压的升高,脱碳效率不断提高,在其选择范围内,最佳电压等级为45kV; (2)修正后的风速会对脱碳效率产生重大影响:随着速度的增加,脱碳效率呈现出先下降后再上升和下降的趋势,在选定范围内,最佳速度为2.0 m / s。该研究对于提高旋转摩擦静电分离性能及其脱碳分离效率具有重要意义。

著录项

  • 来源
    《矿业科学技术学报:英文版》 |2017年第006期|P.1037-1042|共6页
  • 作者单位

    [1]Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining & Technology, Xuzhou 221116, China;

    [2]School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou 221116, China;

    [1]Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining & Technology, Xuzhou 221116, China;

    [2]School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou 221116, China;

    [3]School of Mining Engineering, University of Science and Technology Liaoning, Anshan 114051, China;

    [1]Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining & Technology, Xuzhou 221116, China;

    [2]School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou 221116, China;

    [1]Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining & Technology, Xuzhou 221116, China;

    [2]School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou 221116, China;

  • 收录信息 中国科学引文数据库(CSCD);
  • 原文格式 PDF
  • 正文语种 CHI
  • 中图分类 矿业工程;
  • 关键词

    Rotary triboelectrostatic separation; Decarbonization; Plate voltage; Corrected wind speed; Fly ash;

    机译:旋转摩擦静电分离;脱碳;板极电压;修正风速;粉煤灰;
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