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    Volume 44, Issue 1 (January 2016)

    Special Issue Paper

    Mixing Mechanism and Evaluation of the Dispersion Effect of a 3D Dynamic Mixer

    (Received 17 December 2014; accepted 1 July 2015)

    Published Online: 2016

    CODEN: JTEVAB

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    Abstract

    For homogeneous mixing of a polymer melt and micro/nano-inorganic particles, the researchers in our group developed a three-dimensional dynamic mixer with comprehensive effects of dispersion and distribution. To evaluate the distributive mixing effect, the expressions of diversion number and mixing degree were deduced according to the structure parameters of the mixer. To further investigate the diversion state of the melt and its velocity field in the mixer, this process was simulated with computational fluid dynamics (CFDs) software. In a pilot study, the working curves of the mixer were plotted according to the actual running state. Among other things, the pressure drop before and after mixing is discussed. This is helpful for formulating an extensional flow field and relevant to the dispersive mixing effect. Through laboratory and industrialized scale experiments it was determined with either very high or very low additions of inorganic particles, that the mixer can provide uniform and ultrafine dispersions.


    Author Information:

    Jiang, Zhaohui
    Lutai School of Textile and Apparel, Shandong Univ. of Technology, Zibo, Shandong Province

    Guo, Zengge
    Lutai School of Textile and Apparel, Shandong Univ. of Technology, Zibo, Shandong Province

    Jia, Zhao
    Lutai School of Textile and Apparel, Shandong Univ. of Technology, Zibo, Shandong Province

    Wang, Jing
    Lutai School of Textile and Apparel, Shandong Univ. of Technology, Zibo, Shandong Province

    Pu, Congcong
    Lutai School of Textile and Apparel, Shandong Univ. of Technology, Zibo, Shandong Province

    Xiao, Changfa
    Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic Univ., Tianjin,

    Jin, Jian
    State Key Laboratory of Biobased Fiber Manufacture Technology, China Textile Academy, Beijing,


    Stock #: JTE20150104

    ISSN:0090-3973

    DOI: 10.1520/JTE20150104

    Author
    Title Mixing Mechanism and Evaluation of the Dispersion Effect of a 3D Dynamic Mixer
    Symposium ,
    Committee D13