Flow Properties of Moving-Fluidized Bed with Inclined Baffle Plates

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The behaviors of particles in a gas-solid contactor with inclined baffle plates that form a zig-zag path are experimentally studied. To improve the gas-solid contact efficiency, a table discharger is installed at the bottom of the column. In this contactor solid particles slide down along the baffle plates and are fluidized at the openings between the wall and the edge of the baffle plates by the upflowing gas. This structure, called a "moving-fluidized bed", has some of the advantages of both moving and fluidized beds.<BR>The feed rate of solid particles, the open spacing fraction and the inclination angle of the particle reflector were chosen as parameters for experimental conditions. The formation of bubbles was observed between the fluidized bed and moving bed regions and the bubble diameters were measured by using fiber optic probes. Particle velocities in the moving bed region along the baffle plate were measured as a measure of the circulating motion of the particles in the moving and fluidized bed region. It is concluded that the present apparatus performs at a high efficiency of gas-solid contact under dense flow conditions, as compared with a gas-solid contactor which was used in our earlier study.

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  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 31(6), pp.1020-1024, 1998-12-01 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10002066970
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00219592
  • NDL 記事登録ID
    1523664
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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