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Analysis of Granules Behavior in Continuous Drum Mixer by DEM

机译：连续鼓式混合机颗粒行为的DEM分析

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摘要

A numerical simulation model was developed to analyze the behavior of iron ore granules in a continuous drum mixer by Discrete Element Method (DEM). The effects of the gradient angle of the drum mixer on the behavior of granules were investigated using the simulation. The granulation experiment of iron ore fine was also performed to observe the occupation ratio and retention time. The occupation ratio and retention time obtained by both the simulation and experiment decrease with an increase in the gradient angle. The effect of the length of the drum mixer on the behavior of granules was investigated using the DEM simulation. The retention time increases with an increase in the length of the drum mixer. If the occupation distributions in the direction of the rotational axis is based on the exit of the drum mixer, it will be the same regardless of the length of the drum mixer. This simulation model proposed will be useful to understand granules behavior and to design of granulators.
机译：建立了数值模拟模型，通过离散元方法（DEM）分析了连续鼓式混合机中铁矿石颗粒的行为。使用模拟研究了鼓式混合机的梯度角对颗粒行为的影响。还进行了铁矿粉的造粒实验，以观察其占有率和保留时间。通过仿真和实验获得的占有率和保留时间随梯度角的增加而减小。使用DEM模拟研究了鼓式混合机的长度对颗粒行为的影响。保留时间随着滚筒混合器长度的增加而增加。如果沿旋转轴方向的占有分布基于转鼓混合器的出口，则无论转鼓混合器的长度如何，其分布都是相同的。提出的模拟模型将有助于理解颗粒行为和造粒机的设计。

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  • 来源
    《ISIJ international》 |2009年第5期|645-649|共5页
  • 作者

    Rikio SODA; Akira SATO; Junya KANO; Eiki KASAI; Fumio SAITO; Masaki HARA; Takazo KAWAGUCHI;

  • 作者单位

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 Japan;

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577 Japan;

    Corporate Research & Development Laboratories, Sumitomo Metals Industries, Ltd., 16-1 Sunayama,Kashima, Ibaraki 314-0255 Japan;

    Corporate Research & Development Laboratories, Sumitomo Metals Industries, Ltd., 16-1 Sunayama,Kashima, Ibaraki 314-0255 Japan;

  • 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

    granulation; iron ore; continuous drum mixer; discrete element method;

    机译：造粒铁矿;连续鼓式混合机;离散元法;

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