EP0586591A4 -
    1.
    发明公开
    EP0586591A4 - 失效
    EP0586591A4 - Google专利

    公开(公告)号:EP0586591A4

    公开(公告)日:1994-04-27

    申请号:EP92913641

    申请日:1992-05-28

    申请人: MEMBREX, INC.

    摘要: A rotary disc filtration device having a fluid filtration gap between a filtration surface and a disc is disclosed. The disc and/or filter has one or more spiral grooves in fluid communication with fluid in the gap. The disc and/or filter is rotated and one or both may be axially oscillated and/or vibrated to create the shear at the filter surface that increases permeate flux through the filter. Several discs and filters may be interleaved to increase filtration device capacity and make more efficient use of equipment space. In such a device, the discs can be mounted on a common shaft for rotation in unison and can have spiral grooves on both major faces of each disc. The filters are held stationary in that device and are fluidly connected to facilitate collection of the permeate.

    摘要翻译: 公开了在过滤表面(62)和盘(36)之间具有流体过滤间隙(图14中的56)的旋转盘过滤装置(图12中的30)。 盘(36)和/或过滤器(34)具有与间隙(56)中的流体流体连通的一个或多个螺旋凹槽(52)。 盘(36)和/或过滤器(34)旋转,并且其中一个或两个可以轴向振荡和/或振动以在过滤器表面(62)产生增加通过过滤器(34)的渗透通量的剪切力。 多个盘(图24中的36)和过滤器(34)可以交错以增加过滤设备容量并且更有效地使用设备空间。 在这样的装置(106)中,盘(36)可以安装在共同的轴(图25中的104)上以便一致旋转并且可以在每个主面(132,134)上具有螺旋形凹槽 盘(36)。 过滤器(34)在该装置(106)中保持静止并流体连接以便于收集渗透物。