Fiber-rejecting corona discharge electrode and a filtering system
employing the discharge electrode
    1.
    发明授权
    Fiber-rejecting corona discharge electrode and a filtering system employing the discharge electrode 失效
    光纤放电电极和采用放电电极的滤波系统

    公开(公告)号:US4266948A

    公开(公告)日:1981-05-12

    申请号:US109695

    申请日:1980-01-04

    IPC分类号: B03C3/12 B03C3/41 B03C3/14

    CPC分类号: B03C3/12 B03C3/41 B03C2201/10

    摘要: In a system for filtering fibers and particulates from a gas stream, a fiber separator (10) is disposed to remove fibers in gross quantity from the gas stream. A corona charging apparatus (20) is disposed downstream of the fiber separator (10) to impart electric charge to particulates and to fibers that escape removal from the gas stream by the fiber separator (10). An electrostatic filter medium (30), which may advantageously be mounted on the cylindrical wall of a drum filter, is disposed downstream of the corona charging apparatus (20) to remove electrically charged particulates and fibers from the gas stream. The corona charging apparatus (20) comprises at least one fiber-rejecting corona discharge electrode (21 or 25). The fiber-rejecting electrode (21) comprises a shielding portion (22) facing upstream and a corona discharge portion (23) facing downstream in the gas stream. The radius of curvature of the shielding portion (22) is greater than the radius of curvature of the corona discharge portion (23) in a plane parallel to the gas stream so that the corona discharge occurs in a region that is shielded from fibers carried by the gas stream.

    摘要翻译: 在用于从气流中过滤纤维和颗粒的系统中,布置纤维分离器(10)以从气流中除去总量的纤维。 电晕充电装置(20)设置在纤维分离器(10)的下游,以对颗粒和通过纤维分离器(10)从气流排出的纤维赋予电荷。 可以有利地安装在鼓式过滤器的圆柱形壁上的静电过滤介质(30)设置在电晕充电装置(20)的下游,以从气流中除去带电的微粒和纤维。 电晕充电装置(20)包括至少一个光纤放电电极(21或25)。 纤维排斥电极(21)包括面向上游的屏蔽部分(22)和面向气流中的下游的电晕放电部分(23)。 屏蔽部分(22)的曲率半径大于平行于气流的平面中的电晕放电部分(23)的曲率半径,使得电晕放电发生在与由 气流。

    Supersonic jet ionizer
    2.
    发明授权
    Supersonic jet ionizer 失效
    超音速喷射离子发生器

    公开(公告)号:US4339782A

    公开(公告)日:1982-07-13

    申请号:US134361

    申请日:1980-03-27

    IPC分类号: H01T19/04 H01T23/00 B03C3/00

    CPC分类号: H01T19/04 H01T23/00

    摘要: A supersonic jet ionizer (10) comprises dielectric structure defining a chamber (30) for receiving pressurized gas and a convergent-divergent nozzle (31) for causing the gas to issue from the chamber (30) in a jet at supersonic velocity. A high-voltage electrode tip (51) and a grounded metallic ring (60) are mounted in a diverging region (41) of the nozzle (31) so that a corona can be maintained in the diverging region (41). Ions formed in the corona are swept out of the nozzle (31) by the supersonic gas jet. The supersonic jet ionizer (10) can be utilized as a particulate charging means in a system (75) for filtering charged particulates from a particulate-laden gas stream.

    摘要翻译: 超音速射流离子发生器(10)包括限定用于接收加压气体的腔室(30)的电介质结构和用于使得气体以超音速以射流从腔室(30)发出的会聚扩散喷嘴(31)。 高压电极头(51)和接地金属环(60)安装在喷嘴(31)的发散区域(41)中,从而可以在发散区域(41)中保持电晕。 在电晕中形成的离子通过超音速气体射流从喷嘴(31)扫出。 超音速喷射离子发生器(10)可以用作系统(75)中的颗粒充电装置,用于从含颗粒的气流中过滤带电的颗粒。