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    • 5. 发明授权
    • Electrostatic separation of chaff from grain
    • 谷壳的静电分离
    • US06225587B1
    • 2001-05-01
    • US08884496
    • 1997-06-27
    • E. Cordell LundahlBrandon EliasonJoe HaysJeff StoutRobert WagnerMark WangsgaardRandall Wuthrich
    • E. Cordell LundahlBrandon EliasonJoe HaysJeff StoutRobert WagnerMark WangsgaardRandall Wuthrich
    • B03C700
    • A23B9/06B03C7/06B03C7/08
    • A method and device for the electrostatic separation of chaff from grain. An nonconductive continuous belt moves a mixture of grain and chaff past an ionizing electrode, which imparts an electrical charge to the grain particles and the particles of chaff within the mixture. A grounded electrically conductive rotating drum spaced apart from the end of the continuous belt toward which the mixture of chaff and grain is transported so that the charged particles will be acted upon both by the force of gravity and the electrical field between the particles and the grounded drum with the result that the grain particles, having a greater ratio of mass density to electrical charge than do the particles of chaff will be influenced principally by gravity and caused to fall toward the ground while the particles of chaff will be influenced primarily by the electrostatic field and attracted to the drum, the rotation of which drum will move the attracted particles of chaff up and over the ground drum to the side of the grounded drum that is away from the continuous belt where a scraper assures that virtually all of the chaff is removed from the grounded drum.
    • 用于将谷壳与谷物静电分离的方法和装置。 不导电的连续带将谷物和谷壳的混合物移动通过电离电极,其向混合物内的颗粒和谷壳颗粒施加电荷。 与连续带的端部间隔开的接地的导电旋转鼓,谷物和谷物的混合物将被输送,使得带电粒子将通过重力和颗粒之间的电场与接地 鼓的结果是,质量密度与电荷的比例大于谷壳颗粒的颗粒粒子将主要受重力的影响并且导致落在地面上,而谷壳颗粒将主要受到静电的影响 并且吸引到鼓上,鼓的旋转将吸引的颗粒物料移动到接地鼓上方,使其离开连续带的接地鼓的侧面,在那里刮刀确保几乎所有的谷壳是 从接地的鼓中取出。