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    • 42. 发明专利
    • Electrical treating method and apparatus for diesel engine exhaust gas
    • 柴油发动机排气的电气处理方法和装置
    • JP2008019849A
    • 2008-01-31
    • JP2006313451
    • 2006-11-20
    • Munekatsu Furukata宗勝 古堅
    • FURUKATA MUNEKATSU
    • F01N3/02B01D53/94B03C3/02B03C3/12B03C3/15B03C3/41B03C3/45B03C3/47B03C3/74F01N3/08F01N3/18F01N3/20F01N3/28
    • F01N3/01B01D53/323B01D2258/012F01N2240/04Y02T10/20
    • PROBLEM TO BE SOLVED: To provide a treating method and apparatus for a diesel engine exhaust gas, which highly efficiently collects PMs in the diesel engine exhaust gas and demonstrates stable performance over a long period. SOLUTION: In the treating method for the diesel engine exhaust gas and the electrical treating apparatus for the exhaust gas, a needle electrode whose outer periphery is covered with a coating having a multi-layer structure is arranged on an upstream side of an exhaust gas path in the treating apparatus for the diesel engine exhaust gas, a discharge and charge region comprising: a corona discharge region that emits electrons by corona discharge by the needle electrode; and a charge region that charges particulate matters with the emitted electrons, is provided, the particulate matters in the exhaust gas in the charge region are charged with the electrons corona-discharged in the corona discharge region, and a collection region arranged on a downstream side of the exhaust gas path collects the charged particulate matters. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种柴油机废气的处理方法和装置,其高效率地收集柴油机废气中的PM并且长时间地表现出稳定的性能。 解决方案:在柴油发动机废气的处理方法和排气用电处理装置中,将外周覆盖有多层结构的涂层的针电极配置在 用于柴油机废气的处理装置中的废气通道,放电和充电区域,包括:电晕放电区域,其通过针电极的电晕放电发射电子; 并且提供了利用发射的电子对颗粒物质进行充电的电荷区域,电荷区域中的废气中的颗粒物质被电晕放电区域中电晕放电的电子和布置在下游侧的收集区域 的废气路径收集带电的微粒物质。 版权所有(C)2008,JPO&INPIT