FR2868968A1 - Fluid e.g. irrigation water, filtering and recovering system for e.g. agriculture, has pumping device impelling fluid towards interior of hydro cyclone, and motor unit providing controlled rotation movement to turbine and filter disk - Google Patents
Fluid e.g. irrigation water, filtering and recovering system for e.g. agriculture, has pumping device impelling fluid towards interior of hydro cyclone, and motor unit providing controlled rotation movement to turbine and filter disk Download PDFInfo
- Publication number
- FR2868968A1 FR2868968A1 FR0503789A FR0503789A FR2868968A1 FR 2868968 A1 FR2868968 A1 FR 2868968A1 FR 0503789 A FR0503789 A FR 0503789A FR 0503789 A FR0503789 A FR 0503789A FR 2868968 A1 FR2868968 A1 FR 2868968A1
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- Prior art keywords
- fluid
- hydro cyclone
- filtering
- turbine
- cyclone
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/06—Separation devices for industrial food processing or agriculture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/004—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal filters, in the cyclone chamber or in the vortex finder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/007—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with internal rotors, e.g. impeller, ventilator, fan, blower, pump
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
Description
Objet de l'inventionObject of the invention
Cette invention concerne un système de filtrage des fluides (eau, huile,.. .) comportant un ensemble de disques filtrants doté d'un mouvement giratoire, logés à l'intérieur d'un hydro cyclone de nouvelle conception à haut rendement, cet hydro cyclone disposant d'une entrée tangentielle du fluide à récupérer. A l'intérieur de cet hydro cyclone est monté coaxialement un axe creux, giratoire, muni d'entrées radiales pour le fluide filtré et connecté à l'une de ses extrémités à un conduit de sortie du fluide filtré et récupéré, les disques filtrants étant montés sur cet axe creux et disposés sur des plans perpendiculaires à celui-ci. This invention relates to a filtering system for fluids (water, oil, etc.) comprising a set of filtering discs equipped with a gyratory movement, housed inside a hydro-cyclone of new design with high efficiency, this hydro cyclone having a tangential inlet of the fluid to be recovered. Inside this hydro cyclone is mounted coaxially a hollow axis, gyratory, provided with radial inputs for the filtered fluid and connected at one of its ends to a filtered fluid outlet duct and recovered, the filter discs being mounted on this hollow axis and arranged on planes perpendicular to it.
Il a également été prévu qu'au moins une partie de ces disques filtrants doit présenter des diamètres différents, adaptés à la configuration particulière de l'hydro cyclone. It has also been provided that at least a portion of these filter discs must have different diameters, adapted to the particular configuration of the hydro cyclone.
Historique de l'invention II existe actuellement sur le marché différents systèmes de filtrage des fluides et en particulier des eaux résiduelles. Les systèmes de filtrage actuellement sur le marché et maintenant le plus grand rapport avec le système objet de cette invention sont ceux appelés systèmes de filtrage centrifuge tangentiel. BACKGROUND OF THE INVENTION There are currently on the market various systems for filtering fluids and in particular waste water. The filtering systems currently on the market and now the largest relationship with the system object of this invention are those known as tangential centrifugal filtration systems.
Un de ces systèmes de filtrage centrifuge tangentiel, commercialisé sur le marché sous la marque italienne FILTRA est applicable au filtrage des eaux d'irrigation et à la séparation du sable et des autres corps solides en dissolution. Dans ce système, le positionnement des disques, en tissu polymère, est horizontal et se compose de plusieurs modules (normalement deux ou trois) destinés à gérer les différentes granulométries. One of these tangential centrifugal filtration systems, marketed on the market under the Italian brand FILTRA, is applicable to filtering irrigation water and separating sand and other solids in solution. In this system, the positioning of the discs, made of polymer fabric, is horizontal and consists of several modules (normally two or three) intended to manage the different particle sizes.
Un des autres systèmes de filtrage centrifuge tangentiel, présenté sur le marché sous la marque allemande MAHLE , est destiné au filtrage des fluides industriels et à la séparation des copeaux d'usinage. Son positionnement est vertical, bien que dans ce cas le filtrage ne se fasse pas au moyen de disques mais au moyen de tambours. Ce système utilise un effet hydro cyclone provoqué par des aubes hélicoïdales, d'une conception au point de vue fabrication substantiellement différente de celle de l'invention présentée ici. One of the other tangential centrifugal filtration systems, introduced on the market under the German brand MAHLE, is intended for the filtration of industrial fluids and the separation of machining chips. Its positioning is vertical, although in this case the filtering is not done by means of discs but by means of drums. This system uses a hydro cyclone effect caused by helical blades, of a design from the manufacturing point of view substantially different from that of the invention presented here.
Les systèmes précédents souffrent d'importantes limitations en ce qui concerne les types de fluides susceptibles de récupération, le degré de récupération de ces mêmes fluides et le rendement du système. The foregoing systems suffer from significant limitations with respect to the types of fluids susceptible to recovery, the degree of recovery of these same fluids and the efficiency of the system.
Description de l'inventionDescription of the invention
Le système objet de cette invention présente certaines particularités de fabrication destinées à l'élimination des limitations des systèmes précédemment mentionnés, grâce à la combinaison de caractéristiques telles que la conception verticale du système alliée à l'hydro cyclone en tant que récipient contenant, au filtrage du fluide en continu grâce à l'utilisation de disques filtrants autonettoyants, obtenus par conformation d'un grillage ou de toute autre base adéquate, dont la superficie présente une rugosité spéciale innovatrice d'une plus grande efficacité filtrante, disques dotés d'un mouvement giratoire contrôlé et programmé. The system object of this invention has certain manufacturing features intended to eliminate the limitations of the aforementioned systems, thanks to the combination of characteristics such as the vertical design of the system combined with the hydro cyclone as a container containing, filtering continuous fluid flow through the use of self-cleaning filter discs, obtained by conformation of a mesh or other suitable base, whose surface has an innovative special roughness of greater filtering efficiency, discs with a movement controlled and programmed roundabout.
L'utilisation d'une nouvelle conception, intégrant un système de disques en configuration verticale avec une nouvelle conception d'hydro cyclone de capacité élevée, combiné aux éléments antérieurs, constitue une seule unité polyvalente, adéquate pour toute la gamme des fluides, qui élève exponentiellement le rendement du système; de plus, l'utilisation de procédures de cavitation contrôlée permettent d'améliorer le rendement du système ainsi que le spectre des fluides susceptibles de récupération et d'éviter tout colmatage non désiré des disques filtrants. The use of a new design, incorporating a vertically configured disk system with a new high capacity hydro cyclone design, combined with the previous elements, is a single versatile unit, suitable for the entire fluid range, which raises exponentially the efficiency of the system; in addition, the use of controlled cavitation procedures improves the efficiency of the system as well as the spectrum of recoverable fluids and avoids any unwanted clogging of the filter discs.
Ce système est applicable à la récupération des fluides utiles, aussi bien urbains qu'industriels et agricoles, en particulier des eaux de cette provenance. This system is applicable to the recovery of useful fluids, both urban and industrial and agricultural, especially water from this source.
Ce système est le résultat de la combinaison d'un ensemble de disques filtrants, disposés horizontalement, superposés verticalement et dotés d'un mouvement giratoire, avec un système d'hydro cyclone et un mécanisme de cavitation contrôlée, ce qui permet que par injection tangentielle, pressurisée et contrôlée, après avoir été soumis de manière interne à un processus de filtrage et cavitation programmé, il soit finalement dépuré par rétention de particules allant jusqu'à 0,5 microns de diamètre. Ce processus prend fin avec l'évacuation en continu du fluide, une fois dépuré, avec expulsion automatique et continue des corps solides extraits. This system is the result of the combination of a set of horizontally arranged, vertically superimposed and gyratory filter discs, with a hydro cyclone system and a controlled cavitation mechanism, which allows tangential injection When pressurized and controlled, after having been internally subjected to a programmed filtering and cavitation process, it is finally depurated by retention of particles up to 0.5 microns in diameter. This process ends with the continuous evacuation of the fluid, once depurated, with automatic and continuous expulsion of the extracted solid bodies.
Ce système comporte un hydro cyclone à configuration sensiblement tronconique inversée, disposé verticalement, fermé à son extrémité supérieure, qui se termine à la partie inférieure par un réservoir destiné à recueillir et extraire les résidus à travers la bouche inférieure correspondante. This system comprises a hydro cyclone configuration substantially inverted frustoconical, disposed vertically closed at its upper end, which ends at the bottom by a reservoir for collecting and extracting residues through the corresponding lower mouth.
Cet hydro cyclone présente latéralement à la partie supérieure de plus grand diamètre une entrée tangentielle par laquelle rentre à l'intérieur le fluide à récupérer provenant d'un réservoir de base et impulsé par un dispositif de pompage, avec l'introduction de ce fluide à l'intérieur de l'hydro cyclone à une pression comprise entre 0 et 100 bar. This hydro cyclone has laterally at the upper part of greater diameter a tangential inlet through which enters the fluid to be recovered from a base tank and impulsed by a pumping device, with the introduction of this fluid to inside the hydro cyclone at a pressure between 0 and 100 bar.
Cet hydro cyclone dispose co-axialement à la partie supérieure d'une sortie pour le fluide récupéré. This hydro cyclone has coaxially at the top of an outlet for the recovered fluid.
A l'intérieur de cet hydro cyclone est monté coaxialement avec possibilité de rotation un axe creux portant des disques filtrants, connecté à la sortie supérieure de l'hydro cyclone. L'ensemble de l'axe et des disques filtrants forme un arbre qui reçoit un mouvement de rotation d'un élément moteur situé hors de l'hydro cyclone et plus précisément à sa partie supérieure. Inside this hydro cyclone is mounted coaxially with the possibility of rotation a hollow shaft carrying filter discs, connected to the upper outlet of the hydro cyclone. The entire axis and filter discs form a shaft which receives a rotational movement of a motor element located outside the hydro cyclone and more precisely at its upper part.
Sur cet axe est montée une turbine, qui tourne dans un plan horizontal, perpendiculaire à cet axe creux, coïncidant avec la bouche d'entrée du fluide à récupérer, afin de mettre à profit l'énergie cinétique du fluide à filtrer et de réduire la consommation spécifique de la partie cinématique du système. On this axis is mounted a turbine, which rotates in a horizontal plane, perpendicular to this hollow axis, coinciding with the inlet mouth of the fluid to be recovered, in order to take advantage of the kinetic energy of the fluid to be filtered and reduce the specific consumption of the kinematic part of the system.
Cette combinaison de l'hydro cyclone à effet tangentiel et du système vertical centrifuge à disques tronconiques spéciaux améliore notablement le rendement du système de filtrage. This combination of the tangential hydro cyclone and the vertical centrifugal system with special frustoconical disks significantly improves the efficiency of the filter system.
Les disques filtrants sont montés sur l'axe creux sur des plans horizontaux et superposés verticalement, cet axe creux présentant des orifices ou fenêtres par lesquelles entre le fluide filtré à l'intérieur pour son évacuation en continu par la sortie supérieure. The filter discs are mounted on the hollow shaft on horizontal planes and superposed vertically, the hollow shaft having orifices or windows through which the filtered fluid inside for its continuous discharge through the upper outlet.
Les disques filtrants peuvent être réalisés en grillage filtrant ou tout autre matériel adéquat d'une morphologie discoïdale. L'une des particularités spéciales de ces disques est qu'ils présentent une surface filtrante rugueuse, destinée à améliorer le rendement du système, ainsi que des dépressions qui, grâce à la rugosité de cette surface, permettent d'éliminer la couche limite hydrodynamique, opposée au processus de centrifugation, cette solution n'ayant pas été disponible jusqu'à la présentation de ce système, raison pour laquelle les réalisations précédentes étaient très limitées au point de vue vitesse de rotation. The filter discs may be made of filter mesh or any other suitable material of disc morphology. One of the special peculiarities of these discs is that they have a rough filtering surface intended to improve the efficiency of the system, as well as depressions which, thanks to the roughness of this surface, make it possible to eliminate the hydrodynamic boundary layer, opposed to the centrifugation process, this solution was not available until the presentation of this system, reason why the previous achievements were very limited in terms of rotational speed.
L'élimination de la couche limite hydrodynamique a pour effet un vide superficiel (pression négative), vectoriellement opposé au vecteur de filtrage, ce qui améliore le rendement du système. The elimination of the hydrodynamic boundary layer has the effect of a surface vacuum (negative pressure), vectorially opposed to the filtering vector, which improves the efficiency of the system.
Conformément à cette invention, le conduit supérieur de sortie dispose d'une bouche latérale pour l'introduction dans le système d'air sous pression, afin d'obtenir un effet de cavitation contrôlée qui améliore à son tour le rendement du système, évitant ainsi tout colmatage non désiré des disques filtrants. According to this invention, the upper outlet pipe has a lateral mouth for introduction into the pressurized air system, in order to obtain a controlled cavitation effect which in turn improves the efficiency of the system, thus avoiding any unwanted clogging of the filter discs.
L'architecture hydrodynamique spécifique de ce système de filtrage permet d'obtenir simultanément un hydro cyclone amélioré, qui optimise le transfert des corps en suspension vers les parois du récipient de forme cylindrique tronconique par différence de densité. Cet effet améliore le processus de filtrage et par conséquent son rendement, parce que les particules à filtrer sont stratifiées verticalement dans un ordre décroissant par rapport à leur densité et également par rapport à l'axe central du système occupé par l'arbre centrifuge des disques filtrants. Ces particules s'accumulent dans le réservoir inférieur, à partir duquel elles sont évacuées à travers une bouche inférieure pour leur traitement ultérieur. The specific hydrodynamic architecture of this filtering system makes it possible simultaneously to obtain an improved hydro cyclone, which optimizes the transfer of the bodies in suspension towards the walls of the container of frustoconical cylindrical shape by difference in density. This effect improves the filtering process and consequently its efficiency, because the particles to be filtered are laminated vertically in descending order with respect to their density and also with respect to the central axis of the system occupied by the centrifugal shaft of the disks. filter. These particles accumulate in the lower reservoir, from which they are discharged through a lower mouth for further processing.
Le liquide filtré résultant est évacué par la cavité interne de l'axe de centrifugation du système jusqu'à sa sortie finale, moment auquel le processus de récupération en continu prend fin. The resulting filtered liquid is discharged through the internal cavity of the centrifuge axis of the system to its final outlet, at which point the continuous recovery process terminates.
Description des figuresDescription of figures
Pour compléter la description réalisée et afin de faciliter la compréhension des caractéristiques de l'invention, on trouvera joint au présent mémoire descriptif un jeu de croquis sur lesquels, de manière indicative mais non limitative, on a représenté ce qui suit: - La figure 1 montre une vue schématique du système combiné de filtrage et récupération du fluide. To complete the description made and to facilitate understanding of the features of the invention, there is attached to this specification a set of sketches in which, indicatively but not limited to, there is shown the following: - Figure 1 shows a schematic view of the combined filtering and fluid recovery system.
- La figure 2 montre une vue en élévation de l'ensemble giratoire formé par l'axe creux, les disques filtrants et la turbine. - Figure 2 shows an elevational view of the rotating assembly formed by the hollow shaft, the filter discs and the turbine.
Réalisation préférable de l'invention Comme on peut l'observer sur les figures dont référence ci-dessus, ce système comporte un hydro cyclone (1) tronconique, disposé verticalement, fermé à son extrémité supérieure, qui se termine à la partie inférieure par un réservoir (2) destiné à recueillir et extraire les résidus à travers une bouche inférieure (21). PREFERRED EMBODIMENT OF THE INVENTION As can be seen in the figures referred to above, this system comprises a frustoconical hydro cyclone (1), arranged vertically, closed at its upper end, which ends at the bottom by a reservoir (2) for collecting and extracting residues through a lower mouth (21).
Cet hydro cyclone (1) présente une entrée tangentielle (11) par laquelle entre à l'intérieur le fluide à récupérer depuis le réservoir (3), liquide impulsé par le dispositif de pompage (31), et une sortie supérieure (12) pour l'évacuation du fluide récupéré. This hydro cyclone (1) has a tangential inlet (11) through which enters the fluid to be recovered from the reservoir (3), liquid driven by the pumping device (31), and an upper outlet (12) for the evacuation of the recovered fluid.
A l'intérieur de l'hydro cyclone (1) est monté coaxialement avec possibilité de rotation un axe creux (4) connecté à la sortie supérieure (12), qui dispose des orifices ou fenêtres latérales (41) pour l'entrée à l'intérieur du fluide déjà filtré. Inside the hydro cyclone (1) is mounted coaxially with the possibility of rotation a hollow shaft (4) connected to the upper outlet (12), which has orifices or side windows (41) for entry to the inside the already filtered fluid.
Sur cet axe creux sont montés une turbine (5) faisant face à l'entrée tangentielle (11) et une série de disques filtrants (6), cet ensemble d'éléments tournant de manière contrôlée grâce à l'action du moteur (7) et provoquant un hydro cyclone qui améliore notablement le rendement du système de filtrage. On this hollow shaft are mounted a turbine (5) facing the tangential inlet (11) and a series of filter disks (6), this set of elements rotating in a controlled manner thanks to the action of the motor (7) and causing a hydro cyclone that significantly improves the efficiency of the filter system.
Les disques filtrants (6) présentent une surface filtrante rugueuse et des dépressions permettant d'éliminer la couche limite hydrodynamique, qui s'oppose au processus de centrifugation et provoque un effet de vide superficiel vectoriellement opposé au vecteur de filtrage. The filter discs (6) have a rough filter surface and depressions to remove the hydrodynamic boundary layer, which opposes the centrifugation process and causes a surface vacuum effect vectorally opposed to the filtering vector.
Cet hydro cyclone permet le transfert des corps et des particules en suspension vers les parois de l'hydro cyclone (1), corps et particules qui s'accumulent finalement dans le réservoir inférieur (2), d'où ils sont extraits à travers la bouche inférieure (21). This hydro cyclone allows the transfer of bodies and particles in suspension towards the walls of the hydro cyclone (1), body and particles which accumulate finally in the lower tank (2), from where they are extracted through the lower mouth (21).
Le liquide filtré entre à l'intérieur de l'axe creux (4) à travers les orifices latéraux (41), puis est évacué de manière continue par la sortie supérieure (11). The filtered liquid enters the interior of the hollow shaft (4) through the lateral orifices (41) and is discharged continuously through the upper outlet (11).
La sortie supérieure (12) dispose d'une bouche latérale (13) pour l'introduction dans le système d'air sous pression, ce qui permet d'obtenir un effet de cavitation contrôlée qui améliore le rendement du système et évite tout colmatage non désiré des disques filtrants. The upper outlet (12) has a lateral mouth (13) for introduction into the pressurized air system, which provides a controlled cavitation effect which improves the efficiency of the system and avoids any clogging. desired filter discs.
Ayant suffisamment décrit la nature de cette invention et donné un exemple de réalisation préférable, il est fait remarquer aux effets opportuns que les matériaux, la forme, les dimension et la disposition des éléments décrits peuvent être modifiés, à condition que cela ne signifie pas une altération des caractéristiques essentielles de l'invention revendiquées ci-après. Having sufficiently described the nature of this invention and given a preferable embodiment, it is pointed out to the expedient effects that the materials, shape, dimensions and arrangement of the elements described may be modified, provided that this does not mean a alteration of the essential features of the invention claimed hereinafter.
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200400931A ES2255807B1 (en) | 2004-04-16 | 2004-04-16 | COMBINED FLUID FILTRATION AND RECOVERY SYSTEM. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2868968A1 true FR2868968A1 (en) | 2005-10-21 |
Family
ID=35013353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0503789A Pending FR2868968A1 (en) | 2004-04-16 | 2005-04-15 | Fluid e.g. irrigation water, filtering and recovering system for e.g. agriculture, has pumping device impelling fluid towards interior of hydro cyclone, and motor unit providing controlled rotation movement to turbine and filter disk |
Country Status (3)
| Country | Link |
|---|---|
| ES (1) | ES2255807B1 (en) |
| FR (1) | FR2868968A1 (en) |
| IT (1) | ITMI20050656A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017016718A1 (en) * | 2015-07-28 | 2017-02-02 | Bta International Gmbh | Hydrodynamic removal of dense materials from a slurry |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3381868A1 (en) | 2017-03-28 | 2018-10-03 | Thersso Water Systems, S.L. | Combined system of filtering and centrifugal separation for purifying aqueous fluids and process using said system |
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|---|---|---|---|---|
| DE1298871B (en) * | 1960-11-25 | 1969-07-03 | Harnisch Waldemar | Centrifugal dust separator with fast rotating filter bodies |
| US4152261A (en) * | 1976-12-24 | 1979-05-01 | Chemap Ag | Process and a filter for filtering a liquid containing solids having a substantially different specific gravity relative to the liquid |
| US4698156A (en) * | 1986-04-03 | 1987-10-06 | Microspun Technologies Inc. | Rotating filter apparatus for separating fine particles of solids from a liquid |
| SU1389861A1 (en) * | 1986-11-21 | 1988-04-23 | Уфимский Нефтяной Институт | Installation for fine cleaning of the drilling mud |
| US5037562A (en) * | 1984-08-22 | 1991-08-06 | Tarves Robert J Jun | Oil/liquid dynamic separation rotating disk filter system with barrier layer formation |
| DE19543491A1 (en) * | 1995-11-22 | 1997-05-28 | Passavant Werke | Method of screening or filtering solids contaminated water using screen or filter cleanable by backwashing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB574896A (en) * | 1944-05-31 | 1946-01-24 | Richard Sydney Brownlow | Improvements relating to apparatus for the filtration of liquids |
| DE1088469B (en) * | 1955-06-11 | 1960-09-08 | Hans Mueller Dipl Chem Dr Ing | Method and device for the continuous separation of solids from liquids and their removal from the filter |
| DE2321320A1 (en) * | 1973-04-27 | 1974-11-14 | Hoechst Ag | FILTER PACKAGE |
| US4975188A (en) * | 1989-01-27 | 1990-12-04 | Brunsell Dennis A | Centrifugal filter apparatus |
-
2004
- 2004-04-16 ES ES200400931A patent/ES2255807B1/en not_active Expired - Fee Related
-
2005
- 2005-04-15 IT IT000656A patent/ITMI20050656A1/en unknown
- 2005-04-15 FR FR0503789A patent/FR2868968A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1298871B (en) * | 1960-11-25 | 1969-07-03 | Harnisch Waldemar | Centrifugal dust separator with fast rotating filter bodies |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017016718A1 (en) * | 2015-07-28 | 2017-02-02 | Bta International Gmbh | Hydrodynamic removal of dense materials from a slurry |
| US10173224B2 (en) | 2015-07-28 | 2019-01-08 | Bta International Gmbh | Hydrodynamic removal of dense materials from a slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2255807A1 (en) | 2006-07-01 |
| ITMI20050656A1 (en) | 2005-10-17 |
| ES2255807B1 (en) | 2008-06-01 |
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