Pressure Drop and Transfer Rate of Wood Powder Pellets in a Cold Model of a Horizontally Rotating Cylinder with Internal Screw Cylinders

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  • Ito Takuya
    Department of Materials and Life Science, Faculty of Science and Technology, Seikei University
  • Suganuma Hideki
    Department of Materials and Life Science, Faculty of Science and Technology, Seikei University
  • Suzuki Seiichi
    Department of Materials and Life Science, Faculty of Science and Technology, Seikei University
  • Kato Shigeru
    Department of Materials and Life Science, Faculty of Science and Technology, Seikei University
  • Hatta Akimichi
    OSTRAND Corp.
  • Kojima Toshinori
    Department of Materials and Life Science, Faculty of Science and Technology, Seikei University

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Other Title
  • らせん円筒を内部に有する水平回転円筒炉コールドモデル内の木粉ペレットの移動と圧力損失
  • ラセン エントウ オ ナイブ ニ ユウスル スイヘイ カイテン エントウロ コールドモデル ナイ ノ モクフン ペレット ノ イドウ ト アツリョク ソンシツ

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Pressure drop and transfer rate of wood powder pellets were measured using a cold model of a horizontally rotating cylinder with two pairs of internal screw cylinders. The transfer rate was one order of magnitude smaller than that when the pellets are moved along by a screw movement, which indicates their flow over the central shaft of screw cylinders. Using internal cylinders of simple design, the operational range showing good gas-solid contact was narrow. Modification of the internal cylinders with partial cover of the entrance sides allowed high packing of pellets with good gas-solid contact and stable pressure drop.

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