WO2024047087A1 - Dispositif de filtre, appareil de filtre à tambour et procédé de montage - Google Patents

Dispositif de filtre, appareil de filtre à tambour et procédé de montage Download PDF

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Publication number
WO2024047087A1
WO2024047087A1 PCT/EP2023/073752 EP2023073752W WO2024047087A1 WO 2024047087 A1 WO2024047087 A1 WO 2024047087A1 EP 2023073752 W EP2023073752 W EP 2023073752W WO 2024047087 A1 WO2024047087 A1 WO 2024047087A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
support structure
filter device
support
filter layer
Prior art date
Application number
PCT/EP2023/073752
Other languages
German (de)
English (en)
Inventor
Michael Achmedow
André Moriße
Edelmeier FRIEDRICH
Detlef John
Alexander Mantler
Frank Meyer
Original Assignee
Haver & Boecker Ohg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haver & Boecker Ohg filed Critical Haver & Boecker Ohg
Publication of WO2024047087A1 publication Critical patent/WO2024047087A1/fr

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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
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • 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
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements

Definitions

  • the present invention relates to a filter device for a drum filter device comprising at least one support device and at least one filter layer, wherein the support device has at least one frame device and at least one support structure and wherein the filter layer rests at least in sections against or on the support structure in the installed state.
  • the present invention also relates to a drum sieve device with such a filter device as well as a method for assembling such a filter device and a method for assembling a filter layer.
  • Drum filters are used in various areas, e.g. B. used in water treatment. By using drum filters, some of which are very large, e.g. B. significant amounts of water can be treated. For example, in fish farming, especially salmon farming, the water from the breeding tanks must be cleaned regularly or continuously. Drum filters can be used here.
  • the object of the present invention to facilitate the installation, repair and/or maintenance of a drum filter.
  • the aim is to make the filter fabric easier to install or to exchange.
  • the filter device according to the invention for a drum filter filter device or. for a drum filter comprises at least one support device and at least one (flat) filter layer, the support device having at least one frame device and at least one support structure.
  • the support structure is preferably designed to be essentially flat. When installed, the filter layer lies at least partially and in particular completely against the support structure. Furthermore, there are at least two of them At least one fastening device is arranged at opposite ends of the support device, with at least one clamping element being stretched over the filter layer between opposing fastening devices, which holds the filter layer on the support structure.
  • the fact that the clamping element holds the filter layer on the support structure means in particular that the filter layer is held between the support structure and the clamping element or is clamped or internally clamped between them.
  • the filter layer lies in particular flatly on the support structure and is held on the support structure by means of a clamping element or preferably with several clamping elements so that it rests on the support structure as smoothly or flatly as possible.
  • the clamping element then lies preferably on the filter layer or runs over the filter layer
  • the filter device or the drum filter device with such filter devices is used in particular to filter solid particles from a liquid.
  • the support structure is preferably essentially flat or designed in such a way that a sufficient support or support surface or contact or contact surface of the filter layer is guaranteed.
  • the support structure is in particular designed in such a way that at least one free flow cross section remains.
  • the support structure can preferably be provided by or include at least one fabric, wire mesh, perforated sheet metal and/or the like.
  • the filter layer can also preferably be provided by or include at least one fabric, wire mesh, perforated sheet metal and/or the like in particular also designed to be flat or adapted to the dimensions of the support structure.
  • the filter device is suitable for being attached to or used on a drum filter or a drum filter device.
  • Each filter device preferably covers a radial section of the drum filter or provides at least a section of the lateral surface of a drum filter.
  • 2, 3, 4, 5, 6 or more filter devices can be provided per filter section.
  • the fastening device is in particular the component in which the tensioning elements, such as tension straps or the like, are fastened.
  • the fastening device can, for example, be attached directly to the support device and/or be manufactured in one piece with it.
  • the fastening devices can also be provided as a separate component, which are preferably fastened to the support device or together with the support device.
  • the fastening device can preferably also be designed in two parts, with one part preferably being provided on the support device and one part on the clamping element.
  • At least one intermediate layer can preferably also be provided between the support device and the filter layer.
  • at least one further layer can also be provided above the filter layer or as the outermost layer.
  • Such layers can be further filter layers and/or protective layers.
  • the filter layer can also be formed from at least two filter elements lying one above the other. Two or more similar and/or different filter elements can preferably be used.
  • the design of the filter device according to the invention offers many advantages.
  • a significant advantage is that the type of attachment of the filter layer to the support structure with at least one clamping element enables a particularly simple and quick installation of the filter layer and also simple maintenance or simple replacement of the filter layer.
  • the clamping elements can simply be loosened and the filter layer can be removed. After the filter layer has been cleaned or replaced, it can be quickly and easily reattached to the support structure using the clamping elements. The same applies to the initial installation.
  • the filter layer is preferably tensioned on the support structure by means of the tensioning element. In this way, a particularly secure reception and preferably also contact of the filter layer on the support structure can be guaranteed.
  • the filter layer is stretched in particular along the support structure.
  • the frame device is rigidly designed with a predetermined curvature.
  • a stable and preferably shaping frame is provided, between which the support structure extends.
  • Such a stable frame or the frame device can be made, for example, from metal strips or the like, with z.
  • a sufficiently stable wire mesh can be provided as a support structure.
  • the materials used for the frame furnishings can be chosen appropriately depending on the application.
  • the support structure can also be made from appropriately selected materials. Depending on the application, for example, a stainless steel wire mesh or a plastic mesh or other suitable support structures can be provided.
  • the frame device can also be flexible or essentially flexible.
  • At least one clamping bar is preferably arranged at at least one end of the support device.
  • a tension strip is understood to mean, in particular, a fastening strip, which can, for example, be designed like an angle.
  • At least two tension strips are provided, which are located at opposite ends of the support device, in which case a tension strip can be provided here in particular on opposite sides of the longer extension of the support device.
  • the filter layer can also be prestressed between the frame device or support structure or support device and tensioning bar.
  • the filter layer can simply be pushed or clamped between the support structure or the support device and the clamping bar.
  • the filter layer can also be pre-assembled on the support device, so that the filter device as a whole is arranged on a drum filter.
  • At least one fastening device or at least part of it is fastened to at least one clamping strip.
  • the fastening devices can be attached to the support device together with the tensioning strip.
  • at least one fastening device and/or at least a part thereof is manufactured in one piece and/or in a non-detachable manner with the support device and/or at least one tensioning strip. This ensures a particularly stable and low-maintenance design.
  • the tension bar preferably has at least two sections which are arranged at an angle to one another.
  • At least one section of the tension strip is arranged at least in sections parallel to the support structure when installed. This ensures, among other things, a secure support on the support device.
  • the filter layer is pre-stressed or pre-assembled between the support device and the clamping bar or the filter layer is pushed into the space between the clamping bar and the support device so that it is already pre-assembled or pre-oriented.
  • the support device and at least one clamping bar are fastened together. This also makes it possible to ensure particularly simple assembly of the filter device.
  • the frame device comprises at least one receptacle for the flush arrangement of the support structure, at least on the curved or shaped sides.
  • a type of recess can be provided so that the support structure is flush or flush with the frame device. This can be done, for example, by providing two strips or sheets arranged offset from one another, which provide a type of angle mount for the support structure.
  • the support structure comprises at least one wire mesh.
  • a wire mesh made of stainless steel can be used to ensure a particularly durable design of the filter device. For example, meshes with a width of 10 mm and a wire diameter of one to 2 mm can be provided.
  • wire cross sections or diameters can also be used expediently and it is possible to use long meshes, wide meshes or square meshes.
  • a perforated plate, a grating, a welded mesh and/or any other type of structure with passages can preferably be provided as a support structure, in particular made of any suitable material and/or material mixture
  • the filter layer preferably comprises at least one wire mesh or is provided by at least one wire mesh.
  • at least one other filter medium such as a fleece or another knitted fabric, can be used as the filter layer instead of a wire mesh.
  • a perforated sheet, a grating, a welded mesh or any other type of structure with passages can preferably be provided as a filter layer, in particular made of any suitable material and/or material mixture.
  • a wire mesh When using a wire mesh as a filter layer, stainless steel can also advantageously be used as the material. Depending on the design, metals or other materials can also be used. In addition, the use of plastic is also possible, although the use of mixed fabrics or the like can also be provided. Depending on the design, biodegradable products or materials can also be used Filter layer can be used. When using a wire mesh layer or in general, pore sizes or mesh sizes or free cross sections of 5-500 pm are preferably provided. When using a wire mesh, any type of binding can be used advantageously. In particular, an RPD high-flow fabric, a 3-D fabric with a large flow and fine filtration, can also be used.
  • the filter layer is preferably bordered at least on one edge with at least one protective layer.
  • Such an enclosure serves in particular for occupational safety, but can also usefully have the function of an assembly aid.
  • a protective layer can be, for example, a PU layer or the like and preferably also serves to seal the filter layer in the area of the edge support on the support structure.
  • the frame device particularly preferably comprises at least one support bar.
  • a support bar can stabilize the frame device and/or the support structure and thus preferably supports the overall stability of the support device.
  • the support bar is designed and/or attached or aligned in such a way that a shovel function is provided.
  • water can be carried along by the support bar when the drum filter rotates if, for example, the support bar is inclined in the opposite direction to the direction of rotation.
  • the fastening device is preferably in the form of a tension eyelet, hanging hook, T-clasp, hook closure (so-called bra closure), mushroom head, plug-in connection with snap-in connection, carabiner hook, eyelet end piece crimped, flat hook, round hook, angle tensioner, screw connection, tension binding, magnetic connection, Velcro fastener and/ or as an eyelet in the clamping element and/or trained in the same way.
  • a clamping element can be easily released and fastened.
  • the clamping element is preferably designed to be plastic and/or elastic.
  • the clamping element can be provided in particular by at least one PU band.
  • thermoplastic elastomers TPE
  • PUR polymethyl methacrylate
  • PET polymethyl methacrylate
  • NBR polymethyl methacrylate
  • all elastomers and materials with elastic properties can be used.
  • a plurality of clamping elements is preferably provided.
  • the clamping elements are then provided in particular at predetermined distances from one another and in particular at least on the edges of the filter layer.
  • the task of the clamping elements is in particular the filter layer on the frame to the frame device or. to press and seal the support structure. Accordingly, the distance and the number of clamping elements can be selected appropriately.
  • the drum filter device according to the invention comprises at least one support structure and at least a filter device accommodated thereon, as described above.
  • the drum filter device according to the invention also offers the advantages as already described previously. In particular, it is particularly easy to assemble and maintain the drum filter device or the filter devices possible.
  • the method according to the invention for assembling at least one filter layer of a filter device is characterized by the following steps: arranging at least one filter layer on the support structure of the filter device. The fastening and/or tensioning of the Filter layer on the support structure with at least one clamping element.
  • Fastening and/or tensioning can be achieved, for example by hooking in elastic bands to tension a band.
  • the process for assembling a filter layer can also be used as a process for maintenance or Can be used to replace a filter layer. Then first the clamping elements are loosened and the filter layer is cleaned or changed, with the filter layer then again being fastened to the support device with the clamping elements. is clamped to the support device.
  • the method according to the invention also offers the advantages already described above.
  • At least one side of the filter layer is pushed or pushed between the support structure and at least one tensioning strip before tensioning and/or fastening of the tensioning element. clamped.
  • the method according to the invention for mounting at least one filter device, as described above, on the support structure of a drum screening device is characterized by the following steps: arranging at least one filter layer on the support structure of the filter device, fastening and / or tensioning the filter layer the support structure with at least one clamping element and attaching the pre-assembled filter device to the support structure of the drum screening device.
  • the process steps can be carried out in any appropriate order.
  • the filter device can be equipped with a filter layer before installation on the support structure. Then the filter device as a whole is mounted on the support structure of the drum filter device or the drum filter.
  • This method according to the invention also offers the advantages already stated above.
  • the possibility of pre-assembling the filter layer on or on the support structure or the support device and thus attaching the complete filter device allows assembly to be significantly simplified and accelerated.
  • FIG. 1 is a purely schematic representation of an exemplary embodiment of a drum screening device according to the invention with filter devices according to the invention in a perspective view;
  • FIG. 2 is a purely schematic enlargement of area A from Figure 1;
  • FIG. 3 shows a purely schematic representation of an exemplary embodiment of a filter device according to the invention in a perspective view; 4 is a purely schematic side view of the exemplary embodiment according to FIG. 3;
  • FIG. 5 shows a purely schematic representation of an exemplary embodiment of a filter device according to the invention in a perspective exploded view
  • FIG. 6 shows a purely schematic representation of an exemplary embodiment of a filter device according to the invention without a filter layer in a perspective view
  • FIG. 7 shows a purely schematic representation of a support device of an exemplary embodiment of a filter device according to the invention in a perspective view and in an enlarged view as well as two schematic representations of the frame device;
  • FIG. 8 is a purely schematic side view of the exemplary embodiment according to FIG. 7;
  • FIG. 9 shows a purely schematic representation of clamping strips with clamping elements of an exemplary embodiment of a filter device according to the invention in a perspective view
  • FIG. 10 shows a purely schematic enlargement of the area B from FIG. 9;
  • FIG. 11 shows a purely schematic enlargement of the area C from FIG. 9;
  • Fig. 12 is a purely schematic side view of the
  • Embodiment according to Figure 9; 13 shows a purely schematic enlargement of the area D from FIG. 12;
  • Fig. 14 is a purely schematic enlargement of the area E from Figure 12.
  • a drum filter device 100 according to the invention or a drum filter 100 according to the invention is shown purely schematically in a perspective view.
  • the drum filter device 100 includes a support structure 101, which here provides a substantially cylindrical framework made of correspondingly shaped struts.
  • the lateral surface of the drum filter 100 is provided or formed by a large number of filter devices 1 according to the invention.
  • five filter devices 1 are arranged on the support structure 101, distributed over the circumference, with seven filter devices 1 being arranged next to one another over the length of the support structure 101. Seven rings each consisting of 5 filter devices 1 according to the invention are provided here.
  • the filter devices 1 comprise a support device 2, on which a filter layer 3 is arranged.
  • the filter layers 3 are fixed with clamping elements 10 on the support device 2 or on the support structure 5 of the support device 2 or clamped thereon or attached to it.
  • the fully assembled filter devices 1 or . the pre-assembled filter devices 1 are attached to the support structure 101.
  • the support device 2 is not first brought into shape along the support structure 101 and then subsequently fastened there together with a filter layer, as in conventional embodiments. Rather, the entire filter device 1 can be fastened together quickly and easily to the support structure 1.
  • the frame device 4 of the support device 2 in the exemplary embodiment shown has a predetermined shape or Curvature 11 which corresponds to the curvature or is adapted to the scope of the support structure 101.
  • the filter layer 3 is already attached to the support device 2 by means of the clamping elements 10, so that assembly can be carried out particularly easily and quickly.
  • the filter device 1 can also be accommodated on the support structure 101 of the drum filter device 100 without a pre-installed filter layer 3. This can then be done during installation or maintenance or Repair of the drum filter device 100 each time a filter layer 3 is placed on a support device 3 and fastened by means of the clamping elements 10.
  • FIG 2 an enlargement of area A from Figure 1 is shown purely schematically.
  • the filter layer 3 is held on the support device 2 with flexible clamping elements 10.
  • fastening devices 8, 9 are provided, wherein the fastening devices 8, 9 can be designed in one piece or in several parts and the clamping elements 10 can be connected to the fastening devices 8, 9.
  • the Fastening devices 8, 9 are assigned to the clamping strips 12 here.
  • the clamping strips 12 each have two sections 13, 14, which are arranged at an angle 15 to one another. On the one hand, this ensures that the tensioning strip 12 can be attached to the support structure 101 together with the support device 2.
  • one section 14 in the exemplary embodiment shown here is essentially parallel to the support device 2 or the support structure 5, so that the filter layer 3 with the two opposite, narrower sides 22, 23 is pushed between the clamping bar 12 and the support device 2 and so on can sometimes be pre-tensioned.
  • the fastening device 8, 9 can be released quickly and easily as required, so that the filter layer 3 can be quickly removed and/or exchanged and/or installed.
  • a filter device 1 according to the invention is shown purely schematically in a perspective view.
  • the filter device 1 has a support device 2 and a filter layer 3, the filter layer 3 being held or tensioned on the support device 2 by means of several clamping elements 10.
  • the support device 2 includes a frame device 4, which in the exemplary embodiment shown here has a predefined shape or curvature 11, so that it is optimally adapted to the support structure 101. Furthermore, the support device 2 comprises a support structure 5, which is held here by the frame device 4 and on which the filter layer 3 is supported or on which it rests. A purely schematic side view of the exemplary embodiment according to FIG. 3 is shown in FIG. 4. Here, too, it can be clearly seen that the support device 2 or the frame device 4 has a predefined curvature 11, which is adapted to the shape or the radius of the drum filter device 100.
  • FIG. 5 shows purely schematically an exemplary embodiment of a filter device 1 according to the invention in a perspective view in an exploded view or during the installation or assembly of the filter layer 3.
  • the filter device 1 includes a support device 2 and a filter layer 3.
  • the support device 2 comprises a frame device 4 and a support structure 5.
  • the support structure 5 is designed as a wire mesh 17, which is held by the frame device 4.
  • the filter layer is also provided here by a wire mesh 18, which, however, is much more closely meshed than the support structure 5.
  • the support device 2 and the frame device 4 are shaped in such a way that a joint assembly in the exemplary embodiment shown here can be carried out with a clamping bar 12 at the ends 6 and 7 of the support device 2.
  • the fastening devices 8, 9 are provided on the clamping strips 12.
  • the filter layer 3 When installing the filter layer 3 on the support device 2, the filter layer 3 is first inserted on the sides 22, 23 between the clamping strips 12 and the frame device 4 or support structure 5, so that the filter layer 3 is already slightly pre-stressed at the ends 6, 7 of the support device 2 or is held. Then you can simply use the clamping elements 10 using the Fastening devices 8, 9 are tensioned over the filter layer.
  • the filter layer 3 is provided with a protective layer 20 all around the edge 19.
  • a protective layer can, for example, consist of polyurethane or the like and serves on the one hand as an assembly aid and on the other hand as a seal against the support device 2.
  • FIG. 6 shows a purely schematic embodiment of a filter device according to the invention in a perspective view, the filter layer 3 not being shown here.
  • the frame device 4 in the exemplary embodiment shown here also includes several support strips 21, which, among other things, ensure better stability of the frame device and also support the support structure 5 within the frame device 4 in the exemplary embodiment shown here.
  • the support strips 21 can be attached to the frame device 4 in such a way that a shovel effect is created.
  • the support strips 21 can be arranged counter to the direction of rotation of the drum filter 100.
  • the support device 2 of an exemplary embodiment of a filter device 1 according to the invention is shown purely schematically.
  • the frame device 4 is manufactured in such a way that a receptacle 16 for the support structure 5 is formed.
  • a receptacle 16 is provided for the support structure 5.
  • the support structure 5 is formed by a Wire mesh 17 provided, the receptacle 16 being adapted to the height of the wire mesh 17, so that the support structure 5 can be integrated flush into the frame device 4.
  • the filter layer 3 can thus rest over the entire width of the support device 2 and thus on the frame device 4 and the support structure 5.
  • FIG. 8 A purely schematic side view of the support device 2 according to FIG. 7 is shown in FIG. 8. Here too it can be seen that the support structure 5 does not protrude beyond the frame structure 4.
  • FIG. 9 shows purely schematically two clamping strips 12 of an exemplary embodiment of a filter device 1 according to the invention with the corresponding fastening devices 8, 9 and the clamping elements 10 in a perspective view.
  • a corresponding side view is shown in Figure 12.
  • Figures 10, 11, 13 and 14 show the enlarged areas B and C from Figure 9 and D and E from Figure 12.
  • clamping elements 10 according to the exemplary embodiment shown are in operative connection with the fastening devices 8, 9.
  • the clamping elements 10 are threaded into the fastening devices 9, which are manufactured in one piece with the lower clamping strip 12.
  • the upper fastening devices 8 of the upper tension bar 12 are designed here in two parts, with a hook 26 being provided on the tension bar 12, into which a closure 27 of the fastening element 8 can be hooked, into which the tension element 10 is threaded.
  • the clamping elements can be easily released by unhooking the lock 27 from the hook 26.
  • the tension of the clamping element 10 can then easily be adjusted or adjusted. be set.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

L'invention concerne un dispositif de filtre (1) pour un appareil de filtre à tambour (100), comprenant un dispositif de support (2) et une couche filtrante (3), le dispositif de support (2) ayant un dispositif de cadre (4) et une structure de support (5). La couche filtrante (3), lorsqu'elle est dans l'état installé, est placée contre la structure de support (5). Un dispositif de fixation (8, 9) est disposé au niveau de chacune de deux extrémités opposées (6, 7) du dispositif de support (2), et un élément de mise en tension (10) est tendu entre les dispositifs de fixation (8, 9), ledit élément de mise en tension retenant la couche filtrante (3) sur la structure de support (5). L'appareil de filtre à tambour comprend une structure porteuse (101) et un dispositif de filtre (1) tel que décrit précédemment, le dispositif de filtre étant maintenu sur la structure porteuse. Dans le procédé de montage d'au moins une couche filtrante (3) d'un tel dispositif de filtre (1), une couche filtrante (3) est disposée sur la structure de support (5) du dispositif de filtre (1) et est fixée ou serrée contre la structure de support (5) au moyen d'au moins un élément de mise en tension (10). Dans le procédé de montage d'au moins un dispositif de filtre (1) de ce type sur la structure porteuse (101) d'un appareil de tamis à tambour (100), la couche filtrante est montée sur la structure de support comme décrit précédemment, puis le dispositif de filtre entièrement installé est ajusté sur la structure porteuse (101).
PCT/EP2023/073752 2022-08-31 2023-08-30 Dispositif de filtre, appareil de filtre à tambour et procédé de montage WO2024047087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022121991.7A DE102022121991A1 (de) 2022-08-31 2022-08-31 Filtereinrichtung, Trommelfiltervorrichtung und Verfahren zur Montage
DE102022121991.7 2022-08-31

Publications (1)

Publication Number Publication Date
WO2024047087A1 true WO2024047087A1 (fr) 2024-03-07

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WO (1) WO2024047087A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE658649C (de) * 1938-04-07 Buckau R Wolf Akt Ges Maschf Trommeldrehfilter mit flachen Filterzellen
DE102009020571A1 (de) * 2009-05-04 2010-11-11 Hoelschertechnic-Gorator Gmbh & Co. Kg Trommelsiebvorrichtung zur kontinuierlichen Trennung von Feststoffen und Flüssigkeiten aus Schlämmen
KR101009439B1 (ko) * 2010-09-13 2011-01-19 윤미자 드럼 스크린
CN104096404A (zh) * 2014-07-29 2014-10-15 津伦（天津）精密机械股份有限公司 转鼓过滤机的双面夹持滤网的过滤单元
FR3039775A1 (fr) * 2015-08-07 2017-02-10 Cenntro Motors France Filtre a tambour augmentant la duree de vie des joints et ameliorant l’etancheite
EP3313547A1 (fr) 2015-06-23 2018-05-02 Veolia Water Solutions & Technologies Support Panneau filtrant avec grille de support de structures et filtre à tambour doté dudit panneau filtrant

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732188C1 (de) 1987-09-24 1988-09-15 Henkel Kgaa Trogfoermige Filterplatte fuer Drehdruckfilter
DE4239316A1 (de) 1992-11-23 1994-05-26 Bokela Ing Gmbh Filteranordnung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE658649C (de) * 1938-04-07 Buckau R Wolf Akt Ges Maschf Trommeldrehfilter mit flachen Filterzellen
DE102009020571A1 (de) * 2009-05-04 2010-11-11 Hoelschertechnic-Gorator Gmbh & Co. Kg Trommelsiebvorrichtung zur kontinuierlichen Trennung von Feststoffen und Flüssigkeiten aus Schlämmen
KR101009439B1 (ko) * 2010-09-13 2011-01-19 윤미자 드럼 스크린
CN104096404A (zh) * 2014-07-29 2014-10-15 津伦（天津）精密机械股份有限公司 转鼓过滤机的双面夹持滤网的过滤单元
EP3313547A1 (fr) 2015-06-23 2018-05-02 Veolia Water Solutions & Technologies Support Panneau filtrant avec grille de support de structures et filtre à tambour doté dudit panneau filtrant
FR3039775A1 (fr) * 2015-08-07 2017-02-10 Cenntro Motors France Filtre a tambour augmentant la duree de vie des joints et ameliorant l’etancheite

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