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    • 46. 发明授权
    • Electromagnetic filter
    • 电磁滤波器
    • US4460463A
    • 1984-07-17
    • US458268
    • 1983-01-17
    • Satoshi Yoshida
    • Satoshi Yoshida
    • B01D35/06B03C1/034
    • B03C1/034
    • An electromagnetic filter includes a filtering column filled with a magnetic material and an electromagnetic coil disposed around the filtering column. The magnetic material comprises a plurality of cylindrical, prismatic or plate-like masses of magnetic material placed horizontally in the filtering column so as to form a plurality of layers, each of the masses of magnetic material consisting of a multiplicity of magnetic wires or magnetic tapes bundled so as to have their longitudinal axes arranged in substantially in parallel.The magnetic material filling the filtering column is distributed to a uniform density, so that impairment of the treating effect due to channeling of feed water through sparse portions of the magnetic material and the insufficient washing of dense portions thereof during the cleaning operation for expelling the magnetic particles entrapped in the magnetic material can be avoided. The efficiency of the electromagnetic filter is enhanced because all of the magnetic material filling the filtering column effectively participates in the entrapment of magnetic particles suspended in the feed water.
    • 电磁滤波器包括填充有磁性材料的过滤柱和设置在过滤柱周围的电磁线圈。 磁性材料包括多个圆柱形,棱柱形或板状的磁性材料质量的水平放置在过滤柱中以便形成多个层,每个磁性材料块由多根磁线或磁带组成 捆扎成使其纵轴基本上平行布置。 填充过滤柱的磁性材料被分配成均匀的密度,从而在清洁操作期间因给料水通过磁性材料的稀疏部分导致的处理效果的损害以及其致密部分的不充分洗涤而损坏磁性材料 可以避免捕获在磁性材料中的颗粒。 电磁滤波器的效率得到提高,因为填充过滤柱的所有磁性材料有效地参与悬浮在给水中的磁性颗粒的捕获。