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1. 发明授权

US4517078A Method and apparatus for separating particulate materials 失效
标题翻译：用于分离颗粒材料的方法和设备
公开(公告)号：US4517078A
公开(公告)日：1985-05-14
申请号：US551810
申请日：1983-11-15
申请人： Ion I. Inculet , Anna K. E. Norberg , Nicholas M. Hepher
发明人： Ion I. Inculet , Anna K. E. Norberg , Nicholas M. Hepher
IPC分类号： B03C7/02 , B03C7/04
CPC分类号： B03C7/023 , B03C7/04
摘要： Particles having different properties (e.g. particulate fly ash and carbon) are separated by driving the particles by means of a vibratory feeder (12) forwards along a horizontal electrode plate (1) above which is mounted a second electrode (2) having at least one plate (4) mounted at an acute angle (.alpha.) to the horizontal. Preferably, two plates (4) each extend sideways from a central block (3) of dielectric material. An alternating electric field is generated between the electrodes (1, 2) by a high voltage AC power source (14). The potential across each plate (4) varies (in particular, decreases) in the lateral direction, the variation being continuous or stepwise. The field lines (16) from each plate (4) curve to the side and impart centrifugal forces to particles charged by friction or conductive induction, which forces separate lighter, more heavily charged particles from the others. The separated particles are collected in bins (13) arranged around the lower electrode (1).
摘要翻译：具有不同性质的颗粒（例如颗粒飞灰和碳）通过借助于振动进料器（12）通过驱动颗粒而分离，所述振动进料器沿着水平电极板（1）向前延伸，其上安装有具有至少一个板（4）以与水平面成锐角（α）安装。优选地，两个板（4）各自从介电材料的中心块（3）侧向延伸。通过高压AC电源（14）在电极（1,2）之间产生交变电场。每个板（4）上的电位在横向上变化（特别是减小），变化是连续的或逐步的。来自每个板（4）的场线（16）向侧面弯曲，并通过摩擦或导电感应给粒子施加离心力，这迫使分离的较轻的，带电荷更多的颗粒与其它颗粒相比。将分离的颗粒收集在布置在下电极（1）周围的箱体（13）中。

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