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    Compression screw with combination single and double flights
    31.
    发明申请
    Compression screw with combination single and double flights 有权
    压缩螺丝组合单和双航班

    公开(公告)号：US20060196370A1

    公开(公告)日：2006-09-07

    申请号：US11330562

    申请日：2006-01-11

    申请人： Michael Kraft ,  Joseph Keller ,  Anthony Riotto

    发明人： Michael Kraft ,  Joseph Keller ,  Anthony Riotto

    IPC分类号： B30B9/12

    CPC分类号： B30B9/26 ,  B30B9/121 ,  B30B9/122

    摘要： A screw for a compression dewatering device comprising an elongated shaft having axially spaced apart first and second ends, a conveying section at the first end of the shaft, having a single helical screw flight rigidly projecting from the shaft, a flightless transition section axially adjacent the conveying section, and a dewatering section axially adjacent the transition section, having a double helical screw flight rigidly projecting from the shaft. Another embodiment is a compression screw having a perforated tubular dewatering wall intermediate the ends, followed by an imperforate spool wall at the discharge end. The screw includes a central shaft, a conveying section extending axially from the inlet end of the shaft, having a single helical screw flight rigidly projecting from the shaft, a flightless plug section extending axially from the discharge end of the shaft, within the spool wall, and a dewatering section adjacent the plug section, having a double helical screw flight rigidly projecting from the shaft. A flightless transition section is situated between the conveying section and the dewatering section. A gravity feed device is operatively associated with the inlet end for depositing bulk solids material through the feed opening onto the conveying screw, and a drive system is operatively connected to the inlet end of the screw for rotating the screw in the housing.

    摘要翻译： 一种用于压缩脱水装置的螺杆，包括具有轴向间隔开的第一和第二端的细长轴，在轴的第一端处的输送部分，具有从轴刚性地突出的单个螺旋螺旋螺旋， 输送部分和与过渡部分轴向相邻的脱水部分，具有从轴刚性地突出的双螺旋螺旋螺旋。 另一个实施例是一种压缩螺杆，其具有在端部之间的多孔管状脱水壁，随后是在排出端处的无孔卷轴壁。 螺杆包括中心轴，从轴的入口端轴向延伸的输送部分，具有从轴刚性地突出的单螺旋螺旋螺旋，从轴的排出端轴向延伸的无螺旋塞部分，在卷轴壁内 以及与塞子部分相邻的脱水部分，具有从轴刚性地突出的双螺旋螺旋桨。 无转换过渡段位于输送段和脱水段之间。 重力进料装置与入口端可操作地相关联，用于通过进料口将散装固体材料沉积到输送螺杆上，并且驱动系统可操作地连接到螺杆的入口端，用于旋转壳体中的螺钉。