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| Number | Title | Issue Date |
| 7882960 | Apparatus for the separation of dry matter from a fluid The invention relates to an apparatus for continuous separation of dry matter from a fluid, comprising an enclosed environment capable of being under vacuum or under positive pressure, in which enclosed environment a number of rollers (1, 3, 4, 4′, 6, 6′, 20,... | 02/08/2011 |
| 7381329 | Belt press apparatus and method for high solids capture and high solids content A belt press solid/liquid separation apparatus is provided for separating organic mixtures with substantial amounts of moisture to produce separated solids with solids content of 50-90% while retaining 99% of the incoming solids in the filter cake. Specifically, the... | 06/03/2008 |
| 7314141 | Folding belt filter A belt filter for effecting separation of liquid from solids where, at the collection zone, a filter belt or belts is changed shape so as to provide a supporting shape to bold liquid, which is then fed into a nipping zone. In an embodiment there is a single belt use... | 01/01/2008 |
| 7285180 | Perforated deck made out of a plurality of segments A cylindrical rotating thickening device including an axial core, a plurality of longitudinally extending spaced apart support ribs extending radially from the axial core, and a shell surrounding the support ribs and supported thereon. The shell includes a plurality... | 10/23/2007 |
| 7051882 | Twin-wire belt press A twin-wire belt press is disclosed for dewatering a fiber suspension and forming a continuous web of the fiber suspension. The twin wire belt includes a plurality of upper and lower rolls, a perforated roll and endless upper and lower wire belts. Dewatering tables ... | 05/30/2006 |
| 7037437 | Dual filter system for filtering of injector fluids A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a... | 05/02/2006 |
| 7029579 | System for solid-liquid separation A system for use in filtering a slurry using air pressure to squeeze the slurry material and dewatering it. The system including a source of slurry, a chamber, a filter belt that passes through the chamber, a manifold inlet supplying the slurry to a first side of th... | 04/18/2006 |
| 7001515 | Dual filter system for filtering of injector fluids A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a... | 02/21/2006 |
| 6942786 | Cleaning device for waste water Cleaning device having an endless filtering belt (31) guided through a waste water container (33) for filtering of waste water. The filtering belt is guided over a series turn rollers (32, 34, 36, 37) so that the belt in a certain region runs su... | 09/13/2005 |
| 6935511 | Centrally supported screen assembly A vibratory separator having a basket with a first side spaced-apart from a second side, screen assembly apparatus mounted in the basket, the screen assembly apparatus having a central portion, a first screen side and a second screen side, central support apparatus ... | 08/30/2005 |
| 6910587 | Gumbo separator methods and apparatuses A separator system for separating first material from second material, in one aspect for separating gumbo from drilling fluid, a combination of the first material and second material introducible to the separator system, the separator system having a screen conveyor... | 06/28/2005 |
| 6756597 | Fluid sterilization apparatus A fluid sterilization apparatus including a sterilization chamber having a cavity therein, and a nozzle for receiving pressurized fluid and directing a spray of the fluid into the cavity. An electron beam generator having an exit window is mounted to the sterilizati... | 06/29/2004 |
| 6739458 | Device for dehydrating sludge The invention is relative to a device for dehydrating sludge such as occurs in sewage treatment plants in the form of dilute sludge. The receptacle for the sludge contains a sieve surface comprising openings for the passage of liquid. The sieve surface, for its part... | 05/25/2004 |
| 6558557 | Process and a decker for bringing together two suspension layers Process and decker for bringing together a first aqueous pulp suspension layer with at least one additional suspension layer. The process includes moving the first pulp suspension layer and the at least one additional suspension layer on moving layer supp... | 05/06/2003 |
| 6555013 | Treatment method for things like sludge and treatment apparatus A method and apparatus for treating an aqueous-containing sludge in which the sludge is filtered on an elongate moving sheet of a water permeable unwoven fabric on paper. The moving sheet is folded and compressed between rollers whereby to express water t... | 04/29/2003 |
| 6461505 | Dewatering device Apparatus is disclosed for dewatering aqueous suspensions including a pair of rotatable rolls forming a nip therebetween, so that the aqueous suspension can pass downwardly through the nip and be dewatered by removing a filtrate from the suspension, and t... | 10/08/2002 |
| 6454102 | Belt press with adjustable inlet guide A belt press having a frame with a first belt and a second belt rotatably mounted on the frame. A curved inlet guide is movably carried on the frame. The inlet guide has a decreasing radius of curvature from an inlet end to an exit end. A positioning asse... | 09/24/2002 |
| 6402894 | Sealing arrangement for pulp dewatering arrangement Arrangement 1 for washing and dewatering a fiber pulp suspension, which arrangement comprises two hollow, circular-cylindrical screen members 2a, 2b delimited by envelope surface and end walls. The screen members rotate towards each other to form a nip 10... | 06/11/2002 |
| 6309542 | Waste water treating device A waste water treating device can be simply installed in a small area and destroy combustible wastes and sludge to reduce fuel consumption cost of a burner. Moreover, the waste water treating device can increase a treating amount of the waste water per un... | 10/30/2001 |
| 6273270 | Dam fed unrollable media filter subsequently folded along its length and rewound According to a waste water treatment method and apparatus of the present invention, a permeable sheet 3 is fed into a treatment tank 2 in which a stream is formed. The waste water, which flows downstream, is caused to pass through the permeable sheet 3, w... | 08/14/2001 |
| 6248245 | Belt press with adjustable inlet guide A belt press having a frame with a first belt and a second belt rotatably mounted on the frame. A curved inlet guide is movably carried on the frame. The inlet guide has a decreasing radius of curvature from an inlet end to an exit end. A positioning asse... | 06/19/2001 |
| 6241879 | Filtering machine and filter cloth therefor A filter cloth comprising at least a base layer and a filtering layer, characterized in that the ratio T/L of the thickness (T) of the filtering layer to the length (L) of fibers of fiber bundles constituting the filtering layer is 0.02 to 0.7 and the sum... | 06/05/2001 |
| 6241900 | Unrollable media filtration with subsequent folding and pressing of media According to a waste water treatment method and apparatus of the present invention, a permeable sheet 3 is fed into a treatment tank 2 in which a stream is formed. The waste water, which flows downstream, is caused to pass through the permeable sheet 3, w... | 06/05/2001 |
| 6221265 | Method and device for concentrating liquid-drenched material Methods for the concentration of a dilute material such as a fiber suspension are disclosed including enclosing the dilute material between a first straining belt and a second straining belt both moving through endless paths, and in which the width of the... | 04/24/2001 |
| 6190569 | Peristaltic filtration hose apparatus and method Incorporating a permeable hose within a peristaltic pump results in a unique device that can simultaneously pump, filter and self-clean suspensions, producing a concentrate and clarified liquid stream. This process, termed peristaltic filtration, has wide... | 02/20/2001 |
| 6146540 | Dehydration of sludge by injecting sludge into a sequentially connected series of permeable bags and then squeezing the bags A plurality of unit bags 2a, 2b . . . are composed of a permeable strip-shaped nonwoven and arranged in a successive fashion without break so that they can be easily accommodated and stored by being rolled. An annular elastic body 5 disposed around an ope... | 11/14/2000 |
| 6106669 | Process for thickening a fibrous pulp suspension A process for thickening a fibrous pulp suspension by guiding the suspension between a rigid first face and a flexible second face that move in relation to each other and form a converging draining gap, where the first face and/or the second face is/are w... | 08/22/2000 |
| 5968354 | Apparatus for recovering oil-based liquid An apparatus for recovering an oil-based liquid from a body of liquid including the oil-based liquid. The apparatus includes a pair of cooperating rollers defining a nip therebetween, an endless loop of oil-based liquid absorbent material that passes thro... | 10/19/1999 |
| 5885445 | Belt press for dewatering sludge This invention relates to a belt press for dewatering sludge, such as sewage sludge. The press includes a camera to monitor physical operation of a gravity belt section of the press. A numerical control device uses electromagnetic radiation received from ... | 03/23/1999 |
| 5785870 | Variable flow filter unit A filter unit (10) designed to filter process streams having different components and/or different fluid flow rates. The filter unit includes an elongated filter housing (12) having an inlet port (14) at one end and an outlet port (19) at the other end. A... | 07/28/1998 |
| 5683581 | Belt-type filter apparatus for removing foreign particles from liquid baths A belt-type filter apparatus for removing foreign particles from liquid baths includes a basin containing the liquid, a filter belt which is constructed as an endless perforated circulating support belt and/or a filter belt fleece which can be wound from ... | 11/04/1997 |
| 5624578 | Separation apparatus nozzle assembly A nozzle assembly (1) for use in a separation apparatus for separation of liquid suspensions the separation including such nozzle assembly, and a method for its use. In the nozzle assembly, the outlet end of the nozzle is biasable towards the inner surfac... | 04/29/1997 |
| 5599462 | Restraining device for filter cloth A vacuum or gas pressure clamp prevents movement of an elongate filter cloth used in a horizontal vacuum filter. The clamp includes a support frame and a planar supporting device having a perforated support surface for supporting the filter cloth. The vac... | 02/04/1997 |
| 5591336 | Apparatus for dewatering and or washing papermaking stock Improved apparatus for dewatering or washing a suspension of paper pulp in which first and second rolls are rotatably mounted with an endless loop of wire tensioned around the rolls, and in which a headbox delivers a pulp suspension to be thickened or was... | 01/07/1997 |
| 5560834 | Machine for dewatering a slurry of ultrafine solids A machine for conditioning a flocculated mixture formed by adding high molecular weight polymer to a slurry of ultrafine particles such as are found in mining silts, clays, sludges and the like. With this machine, such mixtures, which have already been pa... | 10/01/1996 |
| 5543044 | Apparatus for preparing a material for high pressure deliquification A belt filter press having a wedge zone which can be adjusted during operation of the filter press to prepare a sludge or other material to be deliquified in the most efficient manner for high pressure deliquification also includes a sealing arrangement f... | 08/06/1996 |
| 5527458 | Device for continuous filtration and drying of a solid suspension The device for continuous filtration and drying of a solid suspension comprises a belt filter (1) and downstream a belt drier (2). By use of a porous conveyor belt (3) the filter cake generated in the belt filter (1) is conveyed further into the belt drie... | 06/18/1996 |
| 5470471 | Anti-rewet deck for press rolls An anti rewet deck is provided for press rolls used to increase consistency of fibrous pulp slurry from approximately 4 percent up to about 30 to 50 percent. This is accomplished by biasing the location of the drainage holes in the roll shell to the forwa... | 11/28/1995 |
| 5456832 | Apparatus for preparing a material for high pressure deliquification A belt filter press having a wedge zone which can be adjusted during operation of the filter press to prepare a sludge or other material to be deliquified in the most efficient manner for high pressure deliquification also includes a sealing arrangement f... | 10/10/1995 |
| 5433851 | Filter and filter medium used in said filter A filter designed in compact form and requiring low filtration cost, by which there is no need to replace filter each time it becomes clogged and for which no liquid for backwashing is required, and with which is possible to filter under liquid pressure. ... | 07/18/1995 |
