公开(公告)号：US06270684B1

公开(公告)日：2001-08-07

申请号：US09501068

申请日：2000-02-09

Applicant: Charles M. Schloss

Inventor： Charles M. Schloss

IPC: B01D3700

CPC classification number: E03F5/12 ,  B01D33/073 ,  B01D33/27 ,  B01D33/39 ,  B01D33/461 ,  B01D33/466 ,  B01D33/48 ,  B01D33/50 ,  B01D2201/48 ,  E03F5/125

Abstract: A screening device useful in water and waste water treatment plants separates fluid flow into two streams. The screening device is perforated so that solids having a predetermined cross-section will be maintained within a first fluid stream, and a portion of the fluid flow that has been screened of solids will flow into a second split-off fluid flow. The streams may go to different locations; only the first stream need be processed for the solids. The screening device is preferably cylindrical or another surface of rotation or a section of such a surface, and rotates. These features help maintain the screening device free of solids, and supplemental cleaning devices may also be used.

Abstract translation: 用于水和废水处理厂的筛选装置将流体流分成两股。 筛选装置是穿孔的，使得具有预定横截面的固体将被保持在第一流体流内，并且已经被固体筛分的流体流的一部分将流入第二分离流体流。 流可以进入不同的位置; 只需要为固体处理第一个流。 筛选装置优选是圆柱形或另一个旋转表面或这种表面的一部分，并且旋转。 这些特征有助于保持筛分装置不含固体，并且还可以使用补充的清洁装置。

公开(公告)号：US6132626A

公开(公告)日：2000-10-17

申请号：US29404

申请日：1998-02-19

Applicant: John Michael Hart

Inventor： John Michael Hart

IPC: B01D29/01 ,  E03F5/10 ,  B01D29/62 ,  B01D35/02

CPC classification number: E03F5/101 ,  B01D29/01 ,  E03F5/105 ,  B01D2201/48

Abstract: A filtration unit is provided with a self-cleaning mechanism which backflushes a screening element therein when it becomes blinded by solid material. A reservoir enables a head of screened liquid to be built up above the screening element. Upon blinding of the screening element, a subsequent rise in the pressure at the inlet of the filtration unit is detected by way of a rising fluid level in a vertically extending chamber. The above causes the opening of a discharge valve which enables a discharge flow to rapidly empty the reservoir through the screening element in a reverse direction, thereby clearing the screen. The clearing operation is carried out entirely hydraulically by the action of the screened fluid and thus no brushes, rakes or scraping devices are required.

Abstract translation: PCT No.PCT / GB96 / 01994 Sec。 371日期1998年2月19日 102（e）1998年2月19日PCT PCT 1996年8月16日PCT公布。 公开号WO97 / 06872 日期1997年2月27日一个过滤单元设置有自清洁机构，当其被固体材料蒙蔽时，其将筛选元件反冲洗。 一个储存器能够在屏蔽元件上方建立一个屏蔽液体的头部。 在筛分元件致盲时，通过在垂直延伸的室中的上升的液面来检测过滤单元的入口处的压力的随后升高。 如上所述，能够使排出阀打开，使得排出流能够通过筛分元件沿相反方向快速地排空储存器，从而清除筛网。 清洗操作通过被筛选的流体的作用完全液压地进行，因此不需要刷子，耙子或刮削装置。

公开(公告)号：US6123858A

公开(公告)日：2000-09-26

申请号：US168864

申请日：1998-10-09

Applicant: David H. Manz

Inventor： David H. Manz

IPC: C02F3/06 ,  B01D24/02 ,  B01D24/12 ,  B01D24/14 ,  B01D24/38 ,  B01D24/46 ,  B01D29/62 ,  B01D29/88 ,  C02F3/04 ,  C02F3/10 ,  B01D37/04

CPC classification number: C02F3/10 ,  B01D24/14 ,  C02F1/004 ,  C02F3/046 ,  B01D2201/48 ,  B01D2201/54 ,  Y02W10/15

Abstract: This invention relates to a novel intermittent slow sand filter and a method of using the intermittent filter. More particularly, this invention pertains to a novel slow sand filter which remains effective, even when intermittently operated, and which can be periodically cleaned without disturbing the action of the intermittent filter. A slow sand filter apparatus comprising: a container having an upper portion and a lower portion; a water inlet in the upper portion of the container, the water inlet being connected to a supply of water; a filter material filling at least the lower portion of the container, the filter material having a top surface below the water inlet; a schmutzdeuke layer on the top surface of the filter material; a water outlet in the lower portion of the container below the top surface of the filter material; and a water level maintenance device in the upper portion which maintains water in the upper portion of the container at a maintenance level above the top surface of the filter material, the maintenance level being a balance between (1) a water maintenance level that is sufficiently deep that water falling from the water inlet onto the top of the water in the container does not significantly disturb the schmutzdeuke layer; and (2) a water maintenance level that is sufficiently shallow that oxygen from the air above the water level can diffuse through the water and reach the schmutzdeuke layer so that the schmutzdeuke layer is maintained in living condition even when there is no flow of water through the water inlet.

Abstract translation: 本发明涉及一种新型的间歇式慢砂过滤器和使用间歇式过滤器的方法。 更具体地说，本发明涉及一种新颖的慢砂过滤器，其即使在间歇操作时仍然有效，并且可以周期性地清洁，而不会干扰间歇过滤器的作用。 一种缓砂滤器装置，包括：具有上部和下部的容器; 在容器上部的入水口，进水口与水源连接; 至少填充容器的下部的过滤材料，过滤材料具有在进水口下方的顶面; 在过滤材料的顶表面上的施密特德克层; 在容器下部的过滤材料的上表面下方的出水口; 以及在所述上部的水位维护装置，其将所述容器的上部的水保持在所述过滤材料的上表面以上的维护水平，所述维护水平为（1）足够的水维持水平之间的平衡 从入水口落入容器内水的顶部的水不会明显地扰乱施密特德克层; 和（2）足够浅的水维持水平，使得来自水面以上的空气的氧气可以通过水扩散并到达施密特德克层，使得施密特德克层即使在没有水流通过的情况下也保持在居住条件 进水口。

公开(公告)号：US6044980A

公开(公告)日：2000-04-04

申请号：US123557

申请日：1998-07-29

Applicant: Michel Houle

Inventor： Michel Houle

IPC: B01D33/067 ,  B30B9/20 ,  B01D33/06

CPC classification number: B30B9/20 ,  B01D33/067 ,  B01D2201/188 ,  B01D2201/48

Abstract: An apparatus for extracting liquids from a slurry formed of liquids and fibers, like diluted manure or paper mills residue. The apparatus has a rotatable drum covered with a resilient layer. The apparatus also has two draining rolls which are pressed against the drum so that the slurry passing in between is squeezed. Each roll has a hollow cylindrical shell with a uniform distribution of openings. Each roll also has a perforated filter screen fixed to is. The screen has perforations evenly distributed so that only some perforations lie over the openings in the shell. The perforations are smaller in size than the openings. The apparatus also has a pair of wipers in order to wipe the fibers out of the draining rolls and guide the liquids collected in the shells towards a liquids outlet. A reservoir can be mounted above the drum and upper draining roll for receiving the slurry, storing it to build-up a constant pressure, and supplying it in a continuous manner. An endless screw can also be mounted on top of the drum to scrape the fibers that may remain attached.

Abstract translation: 用于从由液体和纤维形成的浆液中提取液体的设备，如稀释的粪便或造纸厂残渣。 该装置具有覆盖有弹性层的可旋转滚筒。 该设备还具有两个排出辊，其被压靠在滚筒上，从而挤压通过其间的浆料。 每个卷筒具有中空的圆柱形壳体，其开口均匀分布。 每卷也有一个固定的穿孔过滤网。 屏幕具有均匀分布的穿孔，使得只有一些穿孔位于外壳的开口上。 穿孔的尺寸小于开口。 该设备还具有一对擦拭器，以将纤维从排出辊中擦拭并将收集在壳中的液体引向液体出口。 容器可以安装在滚筒和上部排液辊上方，用于接收浆料，储存它以建立恒定的压力，并以连续的方式供应。 一个环形螺钉也可以安装在滚筒的顶部，以刮擦可能保持连接的纤维。

公开(公告)号：US5628912A

公开(公告)日：1997-05-13

申请号：US355522

申请日：1994-12-14

Applicant: Clinton A. Nesseth

Inventor： Clinton A. Nesseth

IPC: B01D33/21 ,  B01D37/00

CPC classification number: B01D33/215 ,  B01D2201/48

Abstract: A method and apparatus for efficiently separating solids from liquid/solid slurries are disclosed. The slurry to be separated is retainably placed within a container having one or more lift paddles secured within its inner cavity. The container is supported for rotation about an axis and has drive means for slowly rotating the container. As the container rotates, the lift paddles lift a portion of the retained slurry, allowing the liquid portion to fall back into the primary slurry pool to be separated, and lifting the solids toward the top of the rotation path of the paddles. The separated solids slide by gravity off of the lift paddles as they approach the top of their rotation paths and into a collection hopper and transport means that carry them away from the container. The liquids returned to the primary retained slurry within the container assist in washing the slurry for facilitating solids separation without required increase in the retained slurry volume. Continuous flow-through and multiple chamber separation containers are disclosed.

Abstract translation: 公开了一种从液体/固体浆料中有效分离固体的方法和装置。 要分离的浆料可保持地放置在具有固定在其内腔内的一个或多个提升桨叶的容器内。 该容器被支撑以围绕一个轴线旋转，并具有用于缓慢旋转容器的驱动装置。 当容器旋转时，提升桨提起一部分保留的浆料，使液体部分落回到初级浆液池中以分离，并将固体提升到桨叶旋转路径的顶部。 分离的固体在靠近旋转路径的顶部时通过重力离开提升桨，并进入收集料斗和将其从容器中带走的运输装置中。 返回到容器内的主要保留浆料的液体有助于洗涤浆料以促进固体分离，而不需要增加保留的浆料体积。 公开了连续流通和多室分离容器。

公开(公告)号：US5554285A

公开(公告)日：1996-09-10

申请号：US531756

申请日：1995-09-21

Applicant: Rene Bellefeuille

Inventor： Rene Bellefeuille

IPC: B01D29/03 ,  E03C1/282 ,  B01D35/027

CPC classification number: E03C1/282 ,  B01D29/03 ,  B01D2201/48

Abstract: A water filtration system for use with a sink, comprising: (a) a main housing member, circumscribing an enclosure subdivided into first and second compartments by an intermediate upright partition wall; (b) a fluid intake, mounted into the first compartment and adapted to be fluidingly connected to the drain pipe of the sink; (c) a water outlet, mounted into the second compartment and adapted to be fluidingly connected to a sewer line; wherein the partition wall defines a lower water-tight portion and an upper portion having a plurality of bores, the bores sized for macroparticulate contaminant screening of the fluid wherein purified water only is allowed through the partition wall upper portion and into the second compartment; (d) a tray, releasably engaged into the first compartment for collecting the macroparticulate contaminant screened by the partition wall upper portion; and (e) an elbowed siphon duct, mounted into the second compartment and operatively coupled to the water outlet, for escape of purified water from the enclosure to the sewers.

Abstract translation: 一种与水槽一起使用的水过滤系统，包括：（a）主壳体构件，通过中间直立分隔壁围绕细分成第一和第二隔室的外壳; （b）流体入口，安装到第一隔室中并且适于流体地连接到水槽的排水管; （c）出水口，安装在第二隔室中并适于流体连接到下水道; 其中所述分隔壁限定下部水密部分和具有多个孔的上部，所述孔的尺寸适用于流体的大颗粒污染物筛选，其中净化水仅允许通过分隔壁上部并进入第二隔室; （d）可释放地接合到第一隔室中的托盘，用于收集由分隔壁上部部分筛选的大颗粒污染物; 和（e）肘形虹吸管，安装到第二隔室中并且可操作地联接到出水口，用于将净化水从外壳排出到下水道。

公开(公告)号：US5356541A

公开(公告)日：1994-10-18

申请号：US920438

申请日：1992-08-25

Applicant: Bjorn Wickzell

Inventor： Bjorn Wickzell

IPC: B01D29/11 ,  B01D29/68

CPC classification number: B01D29/118 ,  B01D2201/02 ,  B01D2201/082 ,  B01D2201/084 ,  B01D2201/48

Abstract: A method and filter arrangement for filtering particle-contaminated liquid which is caused to spill onto the upper side of a filter 2. Spray pipes 4, equipped with nozzles 5, are rotatably mounted beneath the filter, and spray flushing liquid against the underside of the filter. A drainage channel 7, mounted above the filter surface, catches and directs some of the particle carrying liquid to the outlet 3. The drainage channel has an extended portion which forms a channel inlet and also functions as a splash guard.

Abstract translation: 用于过滤颗粒污染的液体的方法和过滤器装置，其被溢出到过滤器2的上侧。配备有喷嘴5的喷管4可旋转地安装在过滤器下方，并且将冲洗液体喷射到过滤器2的下侧 过滤。 安装在过滤器表面上方的排水通道7将一些携带颗粒的液体捕获并引导到出口3。排水通道具有形成通道入口的延伸部分并且还用作防溅罩。

公开(公告)号：US5296143A

公开(公告)日：1994-03-22

申请号：US861981

申请日：1992-06-30

Applicant: Rune Frykhult

Inventor： Rune Frykhult

IPC: B01D29/01 ,  B01D33/21 ,  B01D33/23 ,  D21C9/18 ,  D21D5/02 ,  D21F1/66 ,  B01D33/00

CPC classification number: D21F1/66 ,  B01D29/014 ,  B01D33/21 ,  B01D33/23 ,  D21C9/18 ,  D21D5/02 ,  B01D2201/48

Abstract: An apparatus for filtering liquids, such as fibre pulp suspensions, includes annular hollow filter discs each of which has two annular liquid pervious, opposed walls covered with filter material, spray nozzle means for cleaning the filter material, and means providing relative movement between the filter material and spray nozzle means. The annular opposed walls of each filter disc are only attached to each other at their radially outer ends, whereas they are spaced from each other at their radially inner ends, such that an annular opening is defined between the interior of the filter disc and a filtrate chamber extending centrally through the filter discs. The spray nozzle means extends from the filtrate chamber through the annular opening into each filter disc. As a result, an extremely pure fine fraction can be produced, clogging of the filtering material is efficiently counteracted, and the operative part of the filter material can be increased.

Abstract translation: PCT No.PCT / SE91 / 00111 Sec。 371日期：1992年6月30日 102（e）日期1992年6月30日PCT 1991年2月18日提交PCT公布。 WO91 / 12064 PCT出版物 日本1991年8月22日。用于过滤液体的设备，例如纤维浆悬浮液，包括环形中空过滤盘，每个环形中空过滤盘具有两个环形的可透液体的相对的壁，覆盖有过滤材料，用于清洁过滤材料的喷嘴装置和 意味着提供过滤材料和喷嘴装置之间的相对运动。 每个过滤盘的环形相对壁仅在其径向外端彼此附接，而它们在其径向内端处彼此间隔开，使得在过滤盘内部和滤液之间限定环形开口 腔室中心延伸穿过过滤盘。 喷嘴装置从滤液室通过环形开口延伸到每个过滤盘中。 结果，可以产生非常纯的细小分数，有效地抵消过滤材料的堵塞，并且可以增加过滤材料的操作部分。

公开(公告)号：US5286387A

公开(公告)日：1994-02-15

申请号：US50189

申请日：1993-05-05

Applicant: David Froud

Inventor： David Froud

IPC: B01D29/27 ,  B01D33/03 ,  B01D35/05 ,  B01D61/00 ,  B01D24/46 ,  B01D24/30

CPC classification number: B01D35/05 ,  B01D29/27 ,  B01D33/033 ,  B01D2201/48

Abstract: Apparatus for filtering liquid effluent comprises, in sequence, inlet means, filtration means, and outlet means. Each filtration means comprises at least one disposable sack filter (2, 3, 4, 31) of defined porosity. The open end of each sack filter is attached to an outlet conduit in communication with the inlet means. The opposing closed ends of the sack filters are attached to movable supports to cause agitation of the sack filters.

Abstract translation: 用于过滤液体流出物的装置依次包括入口装置，过滤装置和出口装置。 每个过滤装置包括具有确定的孔隙率的至少一个一次性袋式过滤器（2,3,4,31）。 每个袋式过滤器的开口端连接到与入口装置连通的出口导管。 袋式过滤器的相对的封闭端附接到可移动支撑件以引起袋式过滤器的搅动。

公开(公告)号：US5087358A

公开(公告)日：1992-02-11

申请号：US564182

申请日：1990-08-08

Applicant: Donato Massignani

Inventor： Donato Massignani

IPC: B01D33/15

CPC classification number: B01D33/15 ,  B01D2201/48 ,  Y10T137/85954 ,  Y10T137/86187

Abstract: The invention discloses a machine for the filtering of solid, in particular fibrous, particles suspended in liquids, including a delivery chamber (2) collecting the liquid to be treated, a raceway (3) leading the liquid to be treated into a treatment chamber (4) having a cylindrical bottom (5), wherein there is at least one pair of revolving filters (6, 7), an overflow chamber (16) connected with a recycling tank and an area (21) for the discharge of the recovered solid particles. In the machine each filter (12) has a surface in the shape of a truncated cone and its horizontal axis is essentially perpendicular to the flow direction of the liquid to be treated, the two filters are coaxial with each other and face each other, so as to form a concave space (20) therebetween. The taper of the filters causes the double effect of increasing the filtering performance of the machine and of avoiding its standstill when the delivery of liquid to be treated increases.

Abstract translation: 本发明公开了一种用于过滤悬浮在液体中的固体，特别是纤维状颗粒的机器，包括收集待处理液体的输送室（2），将待处理液体引导到处理室中的滚道（3） 4）具有圆柱形底部（5），其中存在至少一对旋转过滤器（6,7），与回收罐连接的溢流室（16）和用于排出回收固体的区域（21） 粒子。 在机器中，每个过滤器（12）具有截头圆锥形状的表面，其水平轴线基本上垂直于待处理液体的流动方向，两个过滤器彼此同轴并相互面对，因此 以在其间形成凹形空间（20）。 过滤器的锥度引起增加机器的过滤性能和避免在待处理液体的输送增加时停止的双重作用。