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21. 发明授权

US5100550A Filter nozzle with annular filter discs 失效
标题翻译：过滤器喷嘴与阳极过滤器
公开(公告)号：US5100550A
公开(公告)日：1992-03-31
申请号：US428203
申请日：1989-10-27
申请人： Paul Brulhart
发明人： Paul Brulhart
IPC分类号： B01D24/02 , B01D24/00 , B01D24/12 , B01D24/22 , B01D24/38 , B01D24/46 , B01D29/15 , B01D29/88 , B01D29/92
CPC分类号： B01D24/4626 , B01D29/15
摘要： A filter nozzle equipped with annular filter discs which establish flow paths (26, 28), serving to conduct the filter liquid and which paths are radial (28) and also penetrate through (26) the filter discs (18). These passages (26) through the filter discs (18) are in themselves formed as passages (26) that become narrow in the flow direction of the filtered water, and are distributed uniformly over the disc (18). The discs (18) have projections which ensure that the passages (26) of two adjacent discs are not in alignment. With such a filter nozzle, the danger of blockage is much less than with known nozzles, assuring a steady operation and requiring less frequent cleaning.
摘要翻译：一种装有环形过滤盘的过滤嘴，其建立流路（26,28），其用于传导过滤液体，并且哪些路径是径向的（28）并且还穿过过滤盘（18）（26）。通过过滤盘（18）的这些通道（26）本身形成为在过滤水的流动方向上变窄的通道（26），并且均匀分布在盘（18）上。盘（18）具有确保两个相邻盘的通道（26）不对准的突起。使用这种过滤嘴，堵塞的危险远小于已知的喷嘴，确保稳定的操作并且需要较少的清洁。

22. 发明授权

US5028322A Low profile underdrain strainer assembly with improved distribution/fastening means 失效
标题翻译：薄型过滤器组件，具有改进的分配/紧固手段
公开(公告)号：US5028322A
公开(公告)日：1991-07-02
申请号：US378261
申请日：1989-07-11
申请人： Alfonse J. Soriente
发明人： Alfonse J. Soriente
IPC分类号： B01D24/02 , B01D24/00 , B01D24/12 , B01D24/22 , B01D29/62
CPC分类号： B01D24/12
摘要： A strainer assembly for use in a filter having a granular media bed supported above a floor. The strainer assembly includes a low profile body member having a two tiered construction, the bottom tier having a larger diameter than the upper tier. Each of the tiers has a series of substantially equally spaced apart, generally vertical, slot openings formed therein. The total area of the openings in the bottom tier is from about 3 to 15 times greater than the total area of the openings in the upper tier. An improved distribution/fastening means is provided for directing fluid through the body member and for retaining the body member in position above the floor.
摘要翻译：一种用于过滤器的过滤器组件，其具有支撑在地板上方的颗粒介质床。过滤器组件包括具有两层结构的低轮廓本体构件，底层具有比上层更大的直径。每个层具有一系列基本相等的间隔开的大致垂直的狭缝开口，其形成在其中。底层开口的总面积是上层开口总面积的3〜15倍。提供改进的分配/紧固装置，用于引导流体穿过主体构件并将主体构件保持在地板上方的适当位置。

23. 发明授权

US4880311A Apparatus for supplying unclogging gas to fluidized bed apparatus 失效
标题翻译：用于向流化床装置供应未记录气体的装置
公开(公告)号：US4880311A
公开(公告)日：1989-11-14
申请号：US921254
申请日：1986-10-21
申请人： Arnaud Delebarre , Paul W. Witwicki
发明人： Arnaud Delebarre , Paul W. Witwicki
IPC分类号： B01D24/00 , B01D24/02 , B01J8/24 , B01J8/44 , F23C10/24
CPC分类号： B01J8/44 , B01J8/1872 , F23C10/24
摘要： Fluidized bed apparatus comprises a perforated grid to which fluidizing gas is fed by way of a plurality of tubes to fluidize particles supported on the grid. Each tube is connected to a respective blow opening of the grid by way of an erect tubular end part.Apparatus for supplying the openings of the grid with unclogging gas comprises a plurality of injection tubes, each arranged to extend within a corresponding tubular end part. Each injection tube has a number of lateral orifices for the passage of the unclogging gas to be supplied to the injection tube.The unclogging gas is used to disaggregate any particles accumulating in said tubular end part during stoppages in operation of the bed.
摘要翻译：流化床装置包括穿孔网格，流化气体通过多个管进料以使支撑在网格上的颗粒流态化。每个管通过直立的管状端部连接到栅格的相应吹风口。用于提供具有未记录气体的格栅的开口的装置包括多个注射管，每个喷射管布置成在相应的管状端部内延伸。每个注射管具有多个用于使未被注入气体通过以供给注射管的侧孔。在床的操作中，停止气体用于在停止期间聚集在所述管状端部中的任何颗粒。

24. 发明授权

US4762624A Apparatus and method for filtration and concentration of suspension 失效
标题翻译：用于过滤和浓缩悬浮液的装置和方法
公开(公告)号：US4762624A
公开(公告)日：1988-08-09
申请号：US11435
申请日：1987-01-29
申请人： Aisaburo Yagishita
发明人： Aisaburo Yagishita
IPC分类号： B01D29/25 , B01D24/00 , B01D24/02 , B01D29/00 , B01D29/37 , B01D29/62 , B01D35/22 , B01D37/02 , B01D61/14 , B01D61/18 , B01D65/04 , B01D65/08
CPC分类号： B01D65/08 , B01D63/06 , B01D2313/08 , B01D2315/10 , B01D2321/2091
摘要： A method and apparatus for filtering/concentrating a raw liquid such as industrial waste water or suspension of various kinds. Such raw liquid is additionally dispersed with grains in advance before being subjected to a cross flow filtration in which a tubular filtering member is used. The raw liquid is supplied through the tubular member under pressure. Since the tubular filtering member is provided with a guide member which guides the supplied raw liquid spirally therealong, suspended matter or suspended particles will not stay on the filtering surface. The size of the grains is less than one third the diameter of the tubular member in case where said grains have a specific gravity larger than the raw liquid. If the grains have a specific gravity smaller than the raw liquid, the grain size may vary from one tenth to nine tenths the tubular filtering member.

25. 发明授权

US4693831A Rise-rate control of pulsed-bed granular medium filters 失效
标题翻译：脉冲床粒状介质过滤器的上升率控制
公开(公告)号：US4693831A
公开(公告)日：1987-09-15
申请号：US8020
申请日：1987-01-28
申请人： Gary A. Garzonetti
发明人： Gary A. Garzonetti
IPC分类号： B01D24/02 , B01D24/00 , B01D24/22 , B01D24/46 , B01D24/48 , B01D29/46 , B01D29/60 , B01D29/62 , B01D29/66 , B01D37/00
CPC分类号： B01D24/22
摘要： A method for controlling the pulsing of a granular medium filter, based on determination of the rise rate of liquid level above the filtration medium. A pulse system is activated whereby sub-fluidizing pulses of a fluid are directed upwardly through the filter medium from an array of orifices, and each pulse is initiated whenever the determined rise rate attains a predetermined value. The pulses dislodge solids from the upper surface of the bed and store a portion of the solids within the bed itself at particular loci, for decreasing the resistance of the bed and reducing the rise rate. The frequency of backwash is optimized over a wider range of solids load, liquid load and other factors affecting the filtration.

26. 发明授权

US4515697A Method for flocculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and zooplankton and for the purification of used water 失效
标题翻译：在液体中悬浮液中微观微粒絮凝的方法，用于收集浮游植物微藻和浮游动物以及净化二手水
公开(公告)号：US4515697A
公开(公告)日：1985-05-07
申请号：US461628
申请日：1983-01-27
申请人： Samuel Elmaleh , Alain D. Grasmick
发明人： Samuel Elmaleh , Alain D. Grasmick
IPC分类号： B01D24/02 , A01K80/00 , B01D21/00 , B01D21/01 , B01D24/00 , B01D24/38 , B01D29/46 , B01D29/60 , B01D29/62 , B01D29/66 , B01D29/88 , B03D3/06 , C02F1/52 , C12N1/12 , B01D23/10
CPC分类号： A01K80/00 , B01D21/01 , B03D3/06 , C02F1/004 , C02F1/52 , C12N1/12 , C02F1/54 , C02F2303/16 , Y02W10/37
摘要： Method for flocculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and of zooplankton and for the purification of used water.One passes a first liquid comprising microscopic particles in suspension through a fixed granular layer (2) up to partial or complete clogging of said granular material by said microscopic particles; one unclogs at least partially said granular material in a fixed layer by passing a second liquid therethrough, moving in the same direction as the first liquid, but at a higher speed than the first; and one recovers below said layer flocculated aggregates of said microscopic particles and a liquid outflow (6).
摘要翻译：絮凝液中悬浮液中的微观颗粒的方法，用于收集浮游植物微藻和浮游动物以及净化二手水。一个通过固定颗粒层（2）的悬浮液中包含微观颗粒的第一液体通过所述微观颗粒部分或完全堵塞所述颗粒材料; 通过使第二液体通过其中与第一液体相同的方向移动，但以比第一液体更高的速度，至少部分地使固定层中的颗粒状材料成形; 并且在所述微细颗粒的所述层絮凝的聚集体和液体流出物（6）之下回收一个。

27. 发明授权

US4356090A Flow-through oil/water separation filter 失效
标题翻译：流通油/水分离过滤器
公开(公告)号：US4356090A
公开(公告)日：1982-10-26
申请号：US305994
申请日：1981-09-28
申请人： Nhan V. Tran
发明人： Nhan V. Tran
IPC分类号： B01D24/02 , B01D17/02 , B01D24/00 , B01D29/62 , B01D29/02
CPC分类号： B01D17/0202 , Y10S210/05 , Y10T156/1798
摘要： A repeatedly regeneratable flow-through filter device using a body of reticulated hydrophobic oleophilic synthetic foam for separating oil from water and capable of withstanding high flow pressures without precompression, while being readily compressed mechanically numerous times to the high degree necessary to express oil accumulating on the strands and nodes of the foam material. Support is provided against collapse or precompression under the forces of flow acting on the compressible filter body provided across its flow cross-sectional area and at all desired levels of depth inwardly from the upstream face by inserting lengths of flexible cord of synthetic material at a plurality of distributed locations with the cord precoated with liquid adhesive so as to form bonds at the numerous contact points thereof with the strands and nodes of the foam matrix and so as to transmit the load forces from such bonding points through the cords to an upstream face support screen or grid.
摘要翻译：一种可重复再生的流通过滤器装置，其使用网状疏水亲油性合成泡沫体，用于将油从水中分离并能够承受高流动压力而不进行预压缩，同时容易地机械压缩多次，以达到积聚在泡沫材料的股线和节点。提供支撑件在作用在可压缩过滤器主体上的流动作用力的作用下，在其流动横截面区域提供的流动作用下，并且在上游面向内的所有期望水平深度处通过将合成材料的柔性绳索的长度插入多个具有预先涂覆有液体粘合剂的帘线的分布位置，以便在其与泡沫基质的股线和节点的多个接触点处形成结合，并且将这些结合点的负载力通过帘线传递到上游面支撑件屏幕或网格。

28. 发明授权

US4212846A Breathing apparatus chemical canister with dust seal 失效
标题翻译：呼吸装置化学罐具有防尘密封
公开(公告)号：US4212846A
公开(公告)日：1980-07-15
申请号：US4660
申请日：1979-01-19
申请人： Layton A. Wise
发明人： Layton A. Wise
IPC分类号： B01D24/02 , A62B19/00 , A62B19/02 , A62B21/00 , A62B23/02 , B01D24/00 , B63C11/18 , B01J7/00 , C10H7/00
CPC分类号： A62B23/02 , A62B19/02
摘要： A breathing apparatus chemical canister includes a central vertical tube, around which there is a body of chemical granules covered by an upper sheet of filtering material provided with inner and outer downwardly extending flanges engaging the tube and the side of the canister. Disposed between the chemical body and filter sheet is an upper screen having inner and outer downwardly extending flanges pressing the filter sheet flanges against the tube and side of the canister to form seals. A similar lower sheet of filtering material and lower screen around the lower end of the tube support the chemical body and the flanges of the lower screen press the filter sheet flanges against the tube and side of the canister to form seals.
摘要翻译：呼吸器化学罐包括中央垂直管，在该中心垂直管周围存在由上部过滤材料片覆盖的化学颗粒体，所述上部过滤材料具有与管和罐的侧面接合的内部和外部向下延伸的凸缘。设置在化学物体和过滤片之间的是上部筛网，其具有内部和外部向下延伸的凸缘，该法兰将过滤片法兰压靠在罐的管和侧面以形成密封。过滤材料的下部薄片和围绕管下端的下部筛网支撑化学物质，并且下部筛网的凸缘将过滤板凸缘压靠在罐的管和侧面以形成密封。

29. 发明授权

US4210537A Liquid treatment apparatus 失效
标题翻译：液体处理装置
公开(公告)号：US4210537A
公开(公告)日：1980-07-01
申请号：US943404
申请日：1978-09-18
申请人： Donald J. Butterworth , Leo F. Ryan
发明人： Donald J. Butterworth , Leo F. Ryan
IPC分类号： B01D24/02 , B01D24/00 , B01D29/11 , B01D29/50 , B01D37/02 , B01D27/00 , B01D29/00
CPC分类号： B01D29/114 , B01D2201/0438 , B01D2201/4015
摘要： A liquid precoat filter has a multitude of elongated replaceable filter elements that have one of their ends supported on tubes that project upwardly from a tube sheet. A multi-component, spring-biased, sliding seal prevents leakage between the filter elements and their support tubes. Externally engageable connectors are used to releasably fasten the filter elements to their tubes.
摘要翻译：液体预涂过滤器具有许多细长的可更换的过滤器元件，其中一个端部支撑在从管板向上突出的管上。多组件弹簧偏置滑动密封件可防止过滤元件及其支撑管之间的泄漏。外部可接合连接器用于将过滤器元件可释放地紧固到其管中。

30. 发明授权

US4208288A Filtering apparatus 失效
标题翻译：过滤装置
公开(公告)号：US4208288A
公开(公告)日：1980-06-17
申请号：US967202
申请日：1978-12-07
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D24/02 , B01D29/00 , B01D39/20 , B01D23/10 , B01D25/22
CPC分类号： B01D39/2079 , B01D24/24 , B01D24/4621
摘要： Filter apparatus for removing fine solids from aqueous effluents, e.g., waste water filtration, comprises horizontal upper and lower rigid filter plates formed of aggregate fixed in a matrix of cured organic resin defining therebetween a secondary filter zone containing loose filter media, first and second fluid confining chambers above and below said filter plates respectively from which liquid can flow through the filter plates, a vertical conduit for conducting liquid from beneath the lower filter plate for discharge into the first chamber through an opening in the upper filter plate, conduits for inlet and outlet of liquid to said secondary filter zone and second chamber and a sparger to spray wash water on the top surface of the upper filter plate. In a filtering mode, the liquid suspension to be filtered flows into the first chamber via said vertical conduit and then passes, in turn, through the upper filter plate, the filter zone, the lower filter plate and the second chamber to discharge therefrom. In a washing mode, wash water from the sparger cleans the filter cake from the upper filter plate forming a slurry that discharges from the apparatus via the vertical conduit. Wash water to cleanse the lower plate and the filter media in the secondary filter zone is introduced into the second chamber to flow, in turn, through the lower filter plate, the filter zone and the upper filter plate to discharge via the vertical conduit. The new methods and apparatus remove solids with high efficiency while reducing ten fold or more wash water requirements as compared with prior art granular media filtration methods and apparatus.
摘要翻译：用于从含水废水中除去细固体的过滤装置，例如废水过滤，包括由固定在固化的有机树脂的基体中的聚集体形成的水平上下刚性过滤板，所述固化有机树脂在其间限定有包含松散过滤介质的第二过滤区，第一和第二流体在所述过滤板的上方和下方限定室，液体可从其流过过滤板，用于从下过滤板下方导入液体的垂直导管，用于通过上过滤板中的开口排放到第一室中，液体出口到所述次级过滤区域和第二室，以及喷洒器，以在上过滤板的顶表面上喷洒洗涤水。在过滤模式中，待过滤的液体悬浮液经由所述垂直导管流入第一室，然后又通过上过滤板，过滤区，下过滤板和第二室，以从其中排出。在洗涤模式中，从喷雾器洗涤水从上过滤板清洗滤饼，形成通过垂直导管从装置排出的浆料。洗涤水以清洁下部板，将二次过滤区域中的过滤介质引入第二室，并依次通过下部过滤板，过滤区域和上部过滤板，通过垂直导管排出。与现有技术的颗粒介质过滤方法和装置相比，新方法和设备以高效率除去固体，同时减少十倍或更多的洗涤水需求。

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