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    • 9. 发明授权
    • Discharging and dust removing method and discharging and dust removing
apparatus
    • 放电除尘方法及除尘装置
    • US5683556A
    • 1997-11-04
    • US534889
    • 1995-09-27
    • Nobuo NomuraFumiyoshi Shimizu
    • Nobuo NomuraFumiyoshi Shimizu
    • B08B5/02B03C3/38H01T23/00H05F3/04H05F3/00
    • H05F3/04
    • The invention provides a discharging method by which charges can be removed readily, uniformly and efficiently from a surface of a working object even where the surface has a complicated charge pattern of a large number of small positive and negative charged portions present closely to each other at random in a mixed condition. A working object is passed between a positive and negative ion producing discharging electrode and an ion attracting electrode opposed to the positive and negative ion producing discharging electrode and having a face extending in a travelling direction of the working object and a perpendicular direction. During such passage, high positive and negative voltages are applied alternately to the positive and negative ion producing discharging electrode to alternately produce positive and negative ions. Simultaneously, a high ac voltage is applied to the ion attracting electrode to induce positive and negative potentials in the working object so as to attract the positive and negative ions produced by the positive and negative ion producing discharging electrode by the induced potentials of the working object.
    • 本发明提供了一种放电方法,即使在表面具有彼此紧密相对的大量小的正和负带电部分的复杂电荷模式的情况下,也可以容易地,均匀且有效地从工作对象的表面去除电荷, 随机在混合状态。 工作物体在正负离子产生放电电极和与正负离子产生放电电极相对的离子吸引电极之间通过,并且具有在工作对象的行进方向上延伸的面和垂直方向。 在这种通过期间,高正负电压交替地施加到正离子和负离子产生放电电极,以交替地产生正离子和负离子。 同时,向离子吸引电极施加高交流电压,以在工作对象中产生正电位和负电位,从而通过工作对象的感应电位吸引由正负离子产生放电电极产生的正离子和负离子 。