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    • 2. 发明授权
    • System and method for uniformly distributing a fluid through a filter bed in a filter
    • 用于将流体均匀地分布在过滤器中的过滤床的系统和方法
    • US08668092B2
    • 2014-03-11
    • US12929416
    • 2011-01-21
    • R. Lee RobertsMark Kevin Addison
    • R. Lee RobertsMark Kevin Addison
    • B01D24/40B01D21/34B01D29/90
    • B01D24/24B01D24/4631Y10T137/0402
    • A system and method for uniformly distributing fluids (e.g., washing and in-service) through a filter bed of a filter. The system and method of the present invention can be used with any type of filter that uses media to remove impurities from a fluid. The filter bed can include one or more layers of media. The media can be natural (e.g., sand, gravel, anthracite, etc.) or can be fabricated (e.g., plastic). The filter media can be supported by one or more layers of gravel. Alternatively, the filter media can be supported by a porous plate or other support designed to replace the gravel layers. The present invention includes a system having one or more distribution members configured to uniformly distribute a fluid through a filter bed of a filter. Preferably, the one or more distribution members can be readily installed by relatively unskilled labor in both existing filters and new filters. In a preferred embodiment, the one or more distribution members are configured to extend into at least a portion of an underdrain from above the underdrain. In retrofit applications, the preferred design of the one or more distribution members is such that no significant alteration of the distribution chamber, underdrain or fluid velocity is necessary.
    • 用于通过过滤器的过滤床均匀分布流体(例如洗涤和使用中)的系统和方法。 本发明的系统和方法可以与使用介质从流体中去除杂质的任何类型的过滤器一起使用。 过滤床可以包括一层或多层介质。 介质可以是天然的(例如砂,砾石,无烟煤等)或可以制造(例如,塑料)。 过滤介质可以由一层或多层砾石支撑。 或者,过滤介质可以由设计成替换砾石层的多孔板或其它支撑件支撑。 本发明包括具有一个或多个分配构件的系统,其被配置成使流体均匀地分布在过滤器的过滤床上。 优选地,一个或多个分配构件可以通过现有的过滤器和新的过滤器中的相对不熟练的劳动来容易地安装。 在一个优选实施例中,一个或多个分配构件构造成从下面的划线上方延伸进入缺损的至少一部分。 在改造应用中,一个或多个分配构件的优选设计使得不需要对分配室的显着改变,缺口或流体速度。
    • 5. 发明授权
    • Method of washing a particulate filter bed using an underdrain
    • 使用暗渠清洗微粒过滤床的方法
    • US08277665B2
    • 2012-10-02
    • US13373188
    • 2011-11-08
    • R. Lee RobertsMark Kevin Addison
    • R. Lee RobertsMark Kevin Addison
    • B01D24/46
    • B01D24/24B01D24/4631
    • An apparatus for filtering water and/or wastewater including at least one underdrain lateral having a primary gas chamber and a secondary gas chamber where the secondary gas chamber serves to equalize pressure differences that may occur during the initial distribution due to velocity head changes and friction effects. Preferably, the underdrain lateral includes a plurality of chambers directing a washing fluid into the filter bed where at least one of the plurality of chambers directs a liquid and a gas simultaneously into the filter bed and at least one other chamber of the plurality of chamber directs only one of a liquid and a gas into the filter bed at the same time as that the combination of liquid and gas is directed into the filter bed.
    • 一种用于过滤水和/或废水的装置,包括至少一个具有主气室和二次气室的缺水侧面,其中所述二次气室用于平衡由于速度头变化和摩擦效应而在初始分配期间可能发生的压力差 。 优选地,下划痕侧包括多个腔室,其将洗涤流体引导到过滤床中,其中多个腔室中的至少一个腔室同时引导液体和气体进入过滤床以及多个腔室引导件中的至少另一个腔室 在液体和气体的组合被引导到过滤床中的同时,只有一种液体和气体进入过滤床。
    • 7. 发明申请
    • System and method for filtering water and/or wastewater
    • 过滤水和/或废水的系统和方法
    • US20080230474A1
    • 2008-09-25
    • US11723994
    • 2007-03-23
    • R. Lee RobertsMark Kevin Addison
    • R. Lee RobertsMark Kevin Addison
    • C02F1/44B01D36/02
    • C02F1/444B01D61/025B01D61/027B01D61/04B01D61/08B01D61/10B01D61/145B01D61/147B01D61/16B01D61/18B01D61/20B01D65/08B01D2311/04B01D2317/04B01D2319/04B01D2321/185C02F1/004C02F1/56C02F1/66B01D2311/2649
    • A filter system for filtering water and/or wastewater that includes a roughing filter followed by a polishing filter where the roughing filter is an upflow filter and the polishing filter is a membrane filter. The upflow filter includes a filter bed formed from one or more layers of media. The media may be naturally occurring or plastic. Further, the media may be buoyant or non-buoyant. Preferably, the filter system is formed as a package unit. The upflow filter and membrane filter may share a common base allowing the filter system to be readily transported as a single unit. Alternatively, the membrane filter may be connected to and supported by a vertical wall of the upflow filter. The membrane filter may include membrane filter modules that are housed as a group in a section of the membrane filter or the membrane filter modules may be individually housed. The washing liquid used in washing the upflow filter may be discharged from the upflow filter through the same conduit as the upflow effluent generated during filtration. Preferably, the upflow waste line is positioned adjacent the membrane filter drain to allow the upflow waste line and the membrane filter drain to direct liquid to the same storage area or unit through at least one common conduit. The water level of the clearwell is preferably positioned a sufficient distance below the water level of the upflow filter to achieve the desired loading rate across the membrane filter without the need for pumping the upflow effluent into the membrane filter.
    • 一种用于过滤水和/或废水的过滤系统,包括粗糙过滤器,随后是抛光过滤器,其中粗过滤器是上流过滤器,抛光过滤器是膜过滤器。 上流式过滤器包括由一层或多层介质形成的过滤床。 介质可能是天然存在的或塑料的。 此外,介质可能是浮力的或非浮力的。 优选地,过滤器系统形成为包装单元。 上流过滤器和膜过滤器可以共享公共基座,允许过滤系统容易地作为单个单元传送。 或者,膜过滤器可以连接到上流过滤器的垂直壁并由其支撑。 膜过滤器可以包括作为一组容纳在膜过滤器的一部分中的膜过滤器模块,或者膜过滤器模块可以单独容纳。 用于清洗上流过滤器的洗涤液可以通过与过滤期间产生的上流流出物相同的导管从上流过滤器排出。 优选地,上溢废物管线位于膜过滤器排水口附近,以允许上流废物管线和膜过滤器排水口通过至少一个公共管道将液体引导到相同的存储区域或单元。 澄清孔的水位优选地定位在上流式过滤器的水位以下足够的距离处,以实现穿过膜过滤器的期望的负载率,而不需要将上流流出物泵送到膜过滤器中。
    • 8. 发明授权
    • Filter system and methods of operating the same
    • 过滤系统及操作方法
    • US06998046B2
    • 2006-02-14
    • US10214580
    • 2002-08-09
    • R. Lee RobertsMark Kevin Addison
    • R. Lee RobertsMark Kevin Addison
    • B01D24/18
    • B01D24/005B01D24/007B01D24/22B01D24/266B01D24/4621B01D24/4636B01D2201/208
    • A filter system employing a modular filter and at least one high rate pre-treatment system for expeditiously and effectively filtering water. The modular filter includes a reservoir housing for containing fluid. A plurality of filter cells are disposed in the reservoir housing for filtering influent passed through the reservoir housing. Each of the plurality of filter cells has at least one layer of media. A moveable backwash assembly is provided for sequentially backwashing the plurality of filter cells. The backwashing procedure is performed on the modular filter system such that while one of the plurality of cells is being backwashed the remaining cells are filtering pre-treated influent processed by the pre-treatment system. The pre-treatment system preferably has a footprint considerably smaller than the footprint of the modular filter. Further, the pre-treatment system preferably includes at least two pre-filters such that when one of the pre-filters is being cleaned the other pre-filter is still directing treated influent to the modular filter for further processing.
    • 一种使用模块化过滤器和至少一个高速率预处理系统的过滤系统,用于快速有效地过滤水。 模块化过滤器包括用于容纳流体的储存器壳体。 多个过滤单元设置在储存器壳体中,用于过滤通过储存器壳体的流入物。 多个过滤器单元中的每一个具有至少一层介质。 提供可移动的反洗组件用于顺序反洗多个过滤器单元。 反冲洗过程在模块化过滤系统上进行,使得当多个单元中的一个被反洗时,剩余的单元过滤由预处理系统处理的预处理的流入物。 预处理系统优选具有比模块化过滤器的占地面积小得多的占地面积。 此外,预处理系统优选地包括至少两个预过滤器,使得当其中一个预过滤器被清洁时,另一个预过滤器仍然将经处理的流体引导到模块化过滤器以进行进一步处理。
    • 9. 发明授权
    • Method of washing an upflow filter and filter bed employed in said filter
    • 洗涤所述过滤器中使用的上流式过滤器和过滤床的方法
    • US5080808A
    • 1992-01-14
    • US576023
    • 1990-08-31
    • Annabelle KimR. Lee Roberts
    • Annabelle KimR. Lee Roberts
    • B01D24/02B01D24/00B01D24/46B01D29/46B01D29/62B01D35/16
    • B01D24/007
    • A method of washing an upflow filter between service runs employs a filter bed having a non-buoyant particulate filter layer through which influent to be filtered is directed in an upward direction, and through which liquid employed in the washing operation is directed in an upflow direction. A two-stage washing operation includes the steps of first directing a combination of air and liquid in an upflow direction through the filter layer with the velocity of the liquid being less than the minimum fluidization velocity of the filter layer, for disrupting only some floc retained in the filter layer during a previous service run, and thereafter directing only liquid in an upflow direction through the filter layer at a velocity less than the minimum fluidization velocity of the filter layer for removing disrupted floc from the filter layer while leaving some floc attached to said particulate media of the filter layer. The process most preferably is carried out with a filter bed including a coarse, particulate media flocculation layer for distributing the flow of influent and promoting flocculation.
    • 在维修运行之间清洗上流过滤器的方法使用具有非浮力微粒过滤层的过滤床,待过滤的流入物通过该过滤器沿向上的方向被引导,并且通过其在洗涤操作中使用的液体被引向上流方向 。 两级洗涤操作包括以下步骤:首先引导空气和液体在向上流动方向上的组合通过过滤层,其中液体的速度小于过滤层的最小流化速度,以仅破坏一些保留的絮体 在先前的服务运行期间的过滤层中,然后仅以上流方向的液体以小于过滤层的最小流化速度的速度穿过过滤层,以从过滤层去除破碎的絮凝物,同时留下一些絮凝物 所述过滤层的颗粒介质。 该方法最优选用过滤床进行,该过滤床包括用于分配流入流和促进絮凝的粗颗粒介质絮凝层。
    • 10. 发明授权
    • Underdrain for a filter system for filtering water or wastewater
    • 用于过滤水或废水的过滤系统
    • US09072989B2
    • 2015-07-07
    • US13506852
    • 2012-05-21
    • R. Lee RobertsTroy A. JacksonJoseph L. Cristaldi
    • R. Lee RobertsTroy A. JacksonJoseph L. Cristaldi
    • B01D24/46B01D24/22B01D24/24
    • B01D24/24
    • An apparatus for use in a filter system for filtering water or wastewater. The apparatus includes at least one underdrain lateral. The at least one underdrain lateral has at least an inner chamber, a first outer chamber and a second outer chamber. The first outer chamber and the second outer chamber are preferably in fluid communication with the inner chamber. The inner chamber, the first outer chamber and the second outer chamber are preferably formed by an inner liner and an outer liner. The outer liner is a separate piece from the inner liner and surrounds the inner liner. The inner chamber is preferably configured to simultaneously receive a liquid and a gas during a washing procedure including simultaneous use of a liquid and gas to clean a filter bed to create a liquid and gas interface in the inner chamber.
    • 一种用于过滤水或废水的过滤系统的设备。 该装置包括至少一个缺口侧向。 至少一个缺口侧面具有至少一个内室,第一外室和第二外室。 第一外室和第二外室优选地与内室流体连通。 内室,第一外室和第二外室优选由内衬和外衬层形成。 外衬套是与内衬分开的一件,并且围绕着内衬。 内室优选地构造成在洗涤过程中同时接收液体和气体,包括同时使用液体和气体来清洁过滤床,以在内腔中产生液体和气体界面。