WO1998017367A1 - Presse a filtrer - Google Patents
Presse a filtrer Download PDFInfo
- Publication number
- WO1998017367A1 WO1998017367A1 PCT/FR1997/001865 FR9701865W WO9817367A1 WO 1998017367 A1 WO1998017367 A1 WO 1998017367A1 FR 9701865 W FR9701865 W FR 9701865W WO 9817367 A1 WO9817367 A1 WO 9817367A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- peripheral
- membrane
- aforementioned
- filter press
- plates
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/22—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using a flexible member, e.g. diaphragm, urged by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
- B01D25/282—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying
- B01D25/285—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating for drying by compression using inflatable membranes
Definitions
- the present invention relates to an improvement to filter presses used in particular for concentrating sludge from different industries requiring in particular the treatment of waste water or for the recovery of the juices contained in substrates, in particular in the sugar industry.
- the present invention relates to a filter press capable of comprising a stacking of several plates providing between them filter spaces in which extend membranes which divide these spaces into filter chambers into which the material is introduced. to be filtered and pressure chambers into which a pressurized fluid is introduced which causes the membranes to move to ensure the pressing of the material introduced in order to extract the juice therefrom.
- the object of the present invention is in particular to improve the sealing conditions of such filter presses and to improve the conditions for mounting, maintaining, dismantling the membranes, filtration and compacting of the cakes and to increase the resistance mechanics of membranes.
- the filter press preferably comprises a stack of at least two plates which comprise adjacent peripheral parts defining a joint plane and which delimit between them a filtering space, a membrane which extends in this space and the peripheral part of which is taken between the said peripheral parts of the plates over at least part of its length so as to present a movable zone on either side of which are defined a filtering chamber and a pressure chamber, means for supplying a product to be filtered into said filtering chamber, means for supplying a fluid into said pressure chamber and means for removing the filtrate from said pressure chamber.
- the aforementioned peripheral part of said membrane preferably comprises at least one bypass rod which is taken between said peripheral parts of said plates.
- the peripheral part of at least one of the plates preferably comprises at least one flow conduit opening into said filtering chamber and formed between the aforementioned branch tube and the aforementioned mobile zone of the membrane.
- said flow conduit can advantageously extend through the aforementioned peripheral parts of the plates and at least one of the plates comprises a flow passage connecting, in the region of the aforementioned joint plane, said chamber filter and said flow channel.
- a plate preferably maintains the aforementioned peripheral part of the membrane in abutment against a plate in the region of said flow passage.
- said flow conduit can advantageously extend through the aforementioned peripheral part of the membrane and opens into flow channels for the filtrate formed between the membrane and a filter cloth.
- the aforementioned bypass rod preferably consists of a part detached or separated, over a determined length, from the aforementioned peripheral part of the membrane.
- the aforementioned peripheral part of the membrane preferably comprises a peripheral bead of which a part is detached or separated over a determined length to constitute the aforementioned bypass rod.
- At least one of the plates can advantageously comprise a main groove in which is engaged a bead of the aforementioned peripheral part of the membrane and a secondary groove which opens at its ends in said main groove and in which is engaged the aforementioned diversion tube.
- the aforementioned peripheral part of the membrane comprises a peripheral joint engaged in a main groove of one of said plates and comprising a bead taken between said peripheral parts of the plates, a peripheral projecting part of the membrane being engaged in a peripheral slot of said seal, said seal comprising the aforementioned diversion tube.
- said peripheral seal preferably comprises an inner peripheral bead interposed between said membrane and the plate having said main groove.
- said peripheral seal preferably comprises a lip adjacent to said inner peripheral bead and bearing against the plate having said main groove.
- said seal preferably has a U-shaped section, the edges of the branches of which include said beads.
- the aforementioned peripheral part of the membrane comprises a projecting peripheral part or rib engaged in a main groove of one of said plates and comprising a peripheral bead taken between said peripheral parts of the plates , this projecting part comprising the aforementioned bypass rod.
- said peripheral projecting part of the membrane preferably comprises a peripheral slot at the bottom of which is engaged a retaining wire in said main groove.
- the aforementioned peripheral bead of the membrane can advantageously comprise a part of enlarged section engaged in the bottom of enlarged section of said main groove.
- the membrane may advantageously comprise, on the side of said filtering chamber, flow channels for the filtrate and a filter cloth covering these channels, the peripheral edge of this cloth being taken up with the peripheral edge of the membrane .
- At least the plate situated on the side of said pressure chamber and said membrane have, in the aforementioned movable zone, coaxial through passages, a retaining ring integral with said plate and coaxial with said passages comprising a part projecting peripheral, the edge of the membrane surrounding its aforementioned passage being taken between the part peripheral projecting from said ring and the part of the plate surrounding its aforementioned passage, at least one communication opening connecting the interior of said retaining ring and said filtering chamber.
- the peripheral projecting part of said ring and said plate preferably define between them an annular groove in which is taken an annular bead of the aforementioned edge of the membrane.
- a connecting ring connected to said retaining ring through the aforementioned passages preferably comprises a peripheral projecting portion bearing on the other side of the plate, said rings constituting an annular core.
- the aforementioned projecting parts of the retaining ring and the connecting ring of two adjacent plates are preferably in abutment one against the other and form said communication opening.
- the membrane preferably has, in said filtering space, coaxial undulations surrounding its aforementioned edge.
- the membrane preferably comprises, on the side of said filter chamber, flow channels for the filtrate and a filter cloth covering these channels and comprising a through passage coaxial with said passages, the edge of this passage of said canvas being taken with the aforementioned edge of the membrane.
- FIG. 1 shows, on a reduced scale, a front view of a plate of a first filter press according to the invention, equipped with a membrane and a fabric;
- - Figure 2 shows a cross section of two plates of the filter press according to II-II of Figure 1;
- FIG. 3 shows a front view of a bare corner of said tray
- FIG. 4 shows this corner of said tray equipped with a membrane and canvas
- FIG. 5 shows, in this corner, a cross section of two plates of said filter press according to IV-iV of Figure 1;
- - Figure 6 shows, in this corner, another cross section of two plates of said filter press according to VI-VI of Figure 1;
- FIG. 7 shows a front view of another bare corner of said tray;
- FIG. 8 shows this other corner of said tray equipped with a membrane and a canvas;
- FIG. 9 shows a cross section, in this other corner, a cross section of two plates of said filter press according to IX-IX of Figure 1;
- - Figure 10 shows a cross section of two plates of an alternative embodiment of the aforementioned filter press;
- FIG. 11 shows a cross section of the central part of an alternative embodiment of said filter press
- FIG. 12 shows an enlarged partial section, corresponding to Figure 2, of an alternative embodiment of said press.
- the plates 1 and 2 have, facing each other, recesses 4 and 5 which determine between them a filtering space 6, the peripheral parts 1a and 2a of the plates 1 and 2 surrounding this space being supported according to a plane of seal 7.
- the filter press 3 comprises a membrane 8 which extends in the filtering space 6 and the peripheral part 9 of which is taken between the peripheral parts 1a and 2a of the plates 1 and 2 so as to divide the space filter 6 into a filter chamber 10 located on the side of the plate 2 and a pressure chamber 11 located on the side of tray 1.
- the peripheral part 9 of the membrane 8 comprises a peripheral part or rib 12 which is projecting perpendicularly to the joint plane 7 and which is engaged in a main peripheral groove 13 of the plate 1.
- This peripheral part 8 further comprises a gasket 14, for example made of rubber, which is interposed between this rib 12 and the wall of the groove 13, this gasket 14 being of U-shaped section and for this purpose comprising a peripheral slot 15 formed perpendicular to the gasket plane 7.
- the bottom of the groove 14 of the plate 1 has an enlarged section and the end of the rib 12 of the membrane 8 has a lateral flange 16, so that the peripheral part 9 of the membrane 8 is held in the groove 13 of the plate 1 after having been introduced into it by deformation or compression of the peripheral seal 14.
- the membrane 8 has, on its face located on the side of the filtering chamber 10, a multiplicity of bosses 17 which determine between them interstices or flow channels 18. This membrane also has, to facilitate the movement of its mobile zone located inside the filter space 6, coaxial undulations 19 in the periphery of this space 6.
- the filter press 3 further comprises a filter cloth 20 which extends in the filter chamber 10 and which is supported on the tops of the bosses 17 and the corrugations 19 of the membrane 8.
- the peripheral part 20a of the cloth filter 20 passes through the joint plane 7, then is engaged in the slot 15 of the peripheral seal 14 and bypasses the peripheral rib 12 of the membrane 8 from the outside.
- peripheral edge 20a of the fabric 20 is introduced into the slot 15 of the peripheral seal at the same time as the rib 12 of the membrane 8.
- the seal 14 also has, on the edge of its outer periphery branch, a bead 21 which is disposed in an enlarged part 22 of the outer edge of the groove 13 of the plate 1.
- the filter press 3 has, through the plates 1 and 2, a flow passage 23 which extends particularly to the joint plane 7 and which is formed outside the peripheral part 9 of the membrane 8 and the groove 13 of the plate 1.
- the plate 1 has, in its face located in the joint plane 7, a secondary groove in bypass 24 which bypasses the channel from the outside and from a distance 23 and the ends of which open into the enlarged edge 22 of its groove 13.
- bypass rod 25 which extends in this bypass groove 24.
- This bypass rod 25 is constituted by the corresponding part of the bead 21 of the peripheral seal 14 which, between the ends of the bypass groove 24, is detached for example by cutting and then pulled and extended outward to be placed in the bypass groove 24 during mounting of the membrane 8.
- bypass rod 25 is thus taken and compressed in the bypass groove 24 of the plate 1 by the face of the plate 2 located in the joined plane 7.
- the plate 1 has a recess 26 recessed relative to the joint plane 7.
- the groove 13 has a part 13a which follows the hollow profile of the recess 26 and the peripheral part 9 of the membrane 8, from which the bypass rod 25 is separated, and which is deformed by so as to follow the profile of part 13a.
- a plate 27 is provided which follows the profile of the recess and which is fixed to the plate 1 by the screw intermediate 28.
- the flow channel 23 and the recess 26 of the plate 1 constitute a flow conduit through which the material to be filtered can be introduced into the filter chamber 10.
- the pressure chamber 11 is sealed around its entire periphery by the peripheral seal 14 introduced into the groove 13 of the plate 1.
- the filter press 3 has, as shown in particular in FIGS. 7 to 9, another flow channel 29 which extends through the peripheral parts 1a and 2a of the plates 1 and 2, perpendicular to the joint plane 7 and outside and at a distance from the groove 13.
- the peripheral part 9 of the membrane 8 has a rim 30 which extends towards the outside with respect to its peripheral rib 12 and which is engaged in a part 31 formed laterally of the groove 13 of the plate 1.
- part of the bead 21 of the peripheral seal 14 is detached, for example by cutting, so as to constitute a bypass rod 32 which extends in a lateral part in bypass 33 of the groove 13 extending its part 31.
- the flange 32 is pressed in this part 33 by the face of the plate 2 which extends towards the joint plane 7, bypassing the part 32 of the membrane 8.
- the plate 1 also has a flow channel 34 which extends at 45 ° relative to its adjacent edges and which communicates laterally with the flow channel 29, the ends of this channel 34 being obstructed by plugs 35 and 36.
- the plate 1 has a multiplicity of channels 37 which open on the one hand into the channel 34 and on the other hand graze in the groove 13.
- the peripheral part 9 of the membrane 8 has a multiplicity of through passages 38 situated opposite the channels 37 of the plate 1, these passages 38 opening out below the fabric 20.
- the flow interstices 18 of the membrane 8 are connected to the flow channel 29 by the flow channels 37 and 38 and by the flow channel 34, these channels constituting a flow or discharge conduit for the liquid passing through the fabric 20 during movement of the movable zone of the membrane 9 in the direction of the plate 2.
- the plate 1 has a channel 39 for bringing a fluid into the pressure chamber
- the introduction of pressurized liquid into this chamber allowing the moving zone of the membrane 8 to move in the direction of the plate 2 so as to compress the material introduced into the filtering chamber 10.
- the bottom of the recess 5 of the plate 2 has a multiplicity of bosses 40 which determine between them interstices or flow channels 41, a filter cloth 42 being disposed in the filter chamber 10, on the top of the bosses 40.
- the peripheral part 43 of this cloth 42 is anchored in a peripheral groove 44 formed at the bottom of the recess 5.
- This membrane 46 is, in this example, made of an elastic material such as rubber. As in the previous example, this membrane 46 has a peripheral rib 47 engaged in the peripheral groove 13 of the plate 1 and having a corresponding shape. This rib 47 has a peripheral slot 48 formed perpendicular to the joint plane 7 and open on the side of the plate 2a. At the bottom of this slot is introduced a wire arranged substantially in the middle of the enlarged part of the groove 13. The peripheral edge 20a of the filter cloth 20 is introduced into the slot 48 and is wound around the wire 49.
- peripheral part of the membrane 46 and the filter cloth 20 are suitably held in the groove 13 of the plate 1 and are applied in this groove by the face of the plate 2 located in the joint plane 7 as in the previous example .
- the membrane 46 has an outer peripheral rim 50 which corresponds to the outer peripheral rim 21 of the peripheral seal 14 of the previous example.
- FIG. 11 it can be seen that an alternative embodiment has been shown of the means for supplying material to be filtered into two neighboring chambers 51 and 52 separated by a plate 53, from a filter press 54 of which the other parts correspond to the filter press described above.
- the plate 53 has, in its central part, a cylindrical passage passing through 55.
- this cylindrical passage 55 extend end to end the cylindrical parts 56 and 57 of two rings 58 and 59 which respectively have peripheral protruding parts or shoulders peripherals 60 and 61 between which extends the edge of the passage 55 of the plate 53.
- a cylindrical fixing ring 62 is engaged in the rings 58 and 59. It has a peripheral shoulder 63 bearing in an internal peripheral recess 64 of the ring 58 and is screwed into the cylindrical part 57 of the ring 59.
- the membrane 65 which is arranged in the filtering chamber 51 and the outer peripheral part of which is carried by the plate 53, has a central passage 66 and comprises, around this passage, an annular bead 67 which is taken in a groove 68 formed between the shoulder 60 of the ring 58 and the plate 53.
- an annular seal 69 is disposed in a space of the annular groove 68 so as to be in abutment against the annular bead 67 of the membrane 65, the plate 53 and the cylindrical part 56 of the ring 58, thus ensuring the tightness of the pressure chamber situated between the plate 53 and the membrane 65 Par elsewhere, the filter cloth 70 associated with the membrane 65 has a central passage.
- the peripheral edge 71 of this filter cloth 70 is taken between the annular bead 67 of the membrane 65 and the shoulder 60 of the ring 58.
- the other face of the plate 53 carries a filter cloth 72, the part of which central has a through passage, the edge 73 of which is engaged between the plate 53 and the shoulder 61 of the ring 59.
- the end faces 74 and 75 of the ring 58 and of the ring 59 define perpendicular planes, on which the corresponding rings associated with a neighboring plate can bear, so that this stack constitutes a central flow channel
- the ring 65 has a multiplicity of radial channels
- the central channel 76 and the radial channels 77 of the rings 59 associated with the various plates 53 of the filter press 54 constitute supply conduits for the chambers 51 and 52 adjacent to the filter press 54.
- FIG. 12 it can be seen that a peripheral seal 78 has been shown which constitutes an alternative embodiment of the seal 14 described with reference to FIG. 2.
- This joint 78 of U-shaped section and in which the rib 12 of the membrane 8 is engaged, comprises, on the edge of its inner peripheral branch 79, a compressed peripheral bead 80 disposed between the inner corner of the rib 12 of the membrane 8 and the flattened inner edge 81 of the main peripheral groove 13 of the plate 1.
- said seal 78 comprises a compressed sealing lip 82 adjacent to the bead 80 and bearing against the wall of the groove 13, this lip being folded away opposite the direction of introduction of the seal 78.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9712335-8A BR9712335A (pt) | 1996-10-18 | 1997-10-17 | Filtro á prensa |
JP10519032A JP2001502598A (ja) | 1996-10-18 | 1997-10-17 | フィルタープレス |
AU48720/97A AU4872097A (en) | 1996-10-18 | 1997-10-17 | Filter press |
CA002268798A CA2268798A1 (fr) | 1996-10-18 | 1997-10-17 | Presse a filtrer |
EP97911290A EP0946244A1 (fr) | 1996-10-18 | 1997-10-17 | Presse a filtrer |
PL97332829A PL332829A1 (en) | 1996-10-18 | 1997-10-17 | Filter press |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR96/12711 | 1996-10-18 | ||
FR9612711A FR2754758B1 (fr) | 1996-10-18 | 1996-10-18 | Presse a filtrer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998017367A1 true WO1998017367A1 (fr) | 1998-04-30 |
Family
ID=9496791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1997/001865 WO1998017367A1 (fr) | 1996-10-18 | 1997-10-17 | Presse a filtrer |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0946244A1 (fr) |
JP (1) | JP2001502598A (fr) |
CN (1) | CN1237114A (fr) |
AU (1) | AU4872097A (fr) |
BR (1) | BR9712335A (fr) |
CA (1) | CA2268798A1 (fr) |
CZ (1) | CZ138199A3 (fr) |
FR (1) | FR2754758B1 (fr) |
HU (1) | HUP0000241A2 (fr) |
PL (1) | PL332829A1 (fr) |
TR (1) | TR199901481T2 (fr) |
WO (1) | WO1998017367A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004043569A2 (fr) * | 2002-11-12 | 2004-05-27 | Jvk Filtration Systems Gmbh | Filtre presse à membrane |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH688797A5 (de) * | 1994-03-25 | 1998-03-31 | Bucher Guyer Ag Masch | Verfahren fuer die Zufuehrung von Pressgut zu einer Filterpresse. |
DE19956617A1 (de) * | 1999-11-25 | 2001-06-07 | Hoesch & Soehne Eberhard | Filterplatte einer Filterpresse |
GB0326988D0 (en) * | 2003-11-20 | 2003-12-24 | Veolia Water Systems Ltd | Improvements in or relating to filter presses |
DE102004063408B4 (de) * | 2004-12-23 | 2007-10-31 | Becker, Helmut, Dipl.-Ing. | Filtriervorrichtung zum Filtrieren von Wein und anderen Getränken |
DE202005006482U1 (de) * | 2005-04-22 | 2006-08-24 | Jvk Filtration Systems Gmbh | Heizbare Filterplatte |
FR2901806B1 (fr) * | 2006-06-01 | 2008-08-01 | Millipore Corp | Dispositif et ensemble de controle microbiologique |
DE202010006311U1 (de) * | 2010-05-03 | 2011-06-09 | JVK Filtration Systems GmbH, 91166 | Filterplatte für eine Filterpresse und Filterpaket |
CN101985071A (zh) * | 2010-07-13 | 2011-03-16 | 吴江市屯村颜料厂 | 一种压滤板 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3403163A1 (de) * | 1984-01-31 | 1985-08-01 | Hansen-BTR-GmbH, 3000 Hannover | Membranfilterplatte |
GB2157585A (en) * | 1984-04-17 | 1985-10-30 | Lenser Verwaltungs Gmbh | Filter press plate |
DE3422574A1 (de) * | 1984-06-18 | 1985-12-19 | Hansen-BTR-GmbH, 3000 Hannover | Membranfilterplatte |
EP0247288A2 (fr) * | 1986-05-26 | 1987-12-02 | JVK Filtration Systems GmbH | Filtre-presse |
DE8811071U1 (de) * | 1988-09-01 | 1988-11-10 | JV Kunststoffwerk GmbH, 8544 Georgensgmünd | Membranfilterplatte für Filterpressen |
EP0383115A1 (fr) * | 1989-02-06 | 1990-08-22 | Baker Hughes Incorporated | Plaque filtrante à membrane |
FR2720658A1 (fr) * | 1994-06-03 | 1995-12-08 | Hubert Bernard Louis Felicien | Plateau à membrane pour presses à filtrer. |
EP0687492A2 (fr) * | 1994-06-07 | 1995-12-20 | Lenser Kunststoff-Presswerk GmbH & Co. KG | Plaque filtrante à membrane pour une filtre-presse |
-
1996
- 1996-10-18 FR FR9612711A patent/FR2754758B1/fr not_active Expired - Fee Related
-
1997
- 1997-10-17 AU AU48720/97A patent/AU4872097A/en not_active Abandoned
- 1997-10-17 BR BR9712335-8A patent/BR9712335A/pt unknown
- 1997-10-17 CN CN97198971A patent/CN1237114A/zh active Pending
- 1997-10-17 PL PL97332829A patent/PL332829A1/xx unknown
- 1997-10-17 TR TR1999/01481T patent/TR199901481T2/xx unknown
- 1997-10-17 HU HU0000241A patent/HUP0000241A2/hu unknown
- 1997-10-17 JP JP10519032A patent/JP2001502598A/ja active Pending
- 1997-10-17 EP EP97911290A patent/EP0946244A1/fr not_active Withdrawn
- 1997-10-17 CZ CZ991381A patent/CZ138199A3/cs unknown
- 1997-10-17 WO PCT/FR1997/001865 patent/WO1998017367A1/fr not_active Application Discontinuation
- 1997-10-17 CA CA002268798A patent/CA2268798A1/fr not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3403163A1 (de) * | 1984-01-31 | 1985-08-01 | Hansen-BTR-GmbH, 3000 Hannover | Membranfilterplatte |
GB2157585A (en) * | 1984-04-17 | 1985-10-30 | Lenser Verwaltungs Gmbh | Filter press plate |
DE3422574A1 (de) * | 1984-06-18 | 1985-12-19 | Hansen-BTR-GmbH, 3000 Hannover | Membranfilterplatte |
EP0247288A2 (fr) * | 1986-05-26 | 1987-12-02 | JVK Filtration Systems GmbH | Filtre-presse |
DE8811071U1 (de) * | 1988-09-01 | 1988-11-10 | JV Kunststoffwerk GmbH, 8544 Georgensgmünd | Membranfilterplatte für Filterpressen |
EP0383115A1 (fr) * | 1989-02-06 | 1990-08-22 | Baker Hughes Incorporated | Plaque filtrante à membrane |
FR2720658A1 (fr) * | 1994-06-03 | 1995-12-08 | Hubert Bernard Louis Felicien | Plateau à membrane pour presses à filtrer. |
EP0687492A2 (fr) * | 1994-06-07 | 1995-12-20 | Lenser Kunststoff-Presswerk GmbH & Co. KG | Plaque filtrante à membrane pour une filtre-presse |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004043569A2 (fr) * | 2002-11-12 | 2004-05-27 | Jvk Filtration Systems Gmbh | Filtre presse à membrane |
WO2004043569A3 (fr) * | 2002-11-12 | 2004-07-22 | Jvk Filtration Systems Gmbh | Filtre presse à membrane |
US7326341B2 (en) | 2002-11-12 | 2008-02-05 | Jvk Filtration Systems Gmbh | Membrane filter press |
Also Published As
Publication number | Publication date |
---|---|
PL332829A1 (en) | 1999-10-11 |
BR9712335A (pt) | 2000-01-25 |
TR199901481T2 (xx) | 1999-09-21 |
EP0946244A1 (fr) | 1999-10-06 |
HUP0000241A2 (hu) | 2000-05-28 |
CN1237114A (zh) | 1999-12-01 |
CZ138199A3 (cs) | 1999-11-17 |
CA2268798A1 (fr) | 1998-04-30 |
FR2754758B1 (fr) | 1999-01-08 |
AU4872097A (en) | 1998-05-15 |
JP2001502598A (ja) | 2001-02-27 |
FR2754758A1 (fr) | 1998-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0946244A1 (fr) | Presse a filtrer | |
FR2677266A1 (fr) | Filtre a disques et element filtrant pour un tel filtre. | |
FR2863180A1 (fr) | Disques de filtration avec secteurs a panneaux | |
EP1254692B1 (fr) | Filtre a fluide pour moteur de vehicule automobile | |
WO1999042199A1 (fr) | Cartouche de filtration, notamment pour moteur a combustion interne | |
EP0779488B1 (fr) | Echangeur de chaleur, notamment pour véhicule automobile | |
WO1999021454A1 (fr) | Boitier de maquillage a joint d'etancheite | |
FR2719086A1 (fr) | Vérin. | |
CA2433302C (fr) | Joint d'etancheite pour element de filtration et module integrant un element de filtration equipe d'un tel joint d'etancheite | |
FR2797021A1 (fr) | Lame d'etancheite dont le corps est divise en direction longitudinale | |
EP0743123B1 (fr) | Boíte à fluide d'échangeur de chaleur et procédé pour sa réalisation | |
EP0207555A2 (fr) | Dispositif de filtrage | |
EP1791614B1 (fr) | Element filtrant pour liquides et installation de filtration comprenant un tel element | |
WO1995033545A1 (fr) | Plateau a membrane pour presses a filtrer | |
EP1069933A1 (fr) | Boitier de filtre a embase en matiere plastique renforcee | |
FR2798300A1 (fr) | Plateau de filtre destine en particulier a un filtre-presse a plateau | |
FR2603818A2 (fr) | Perfectionnement aux plateaux de filtre-presse a membranes | |
LU85987A1 (fr) | Procede de filtrage et dispositif pour la mise en oeuvre de procede | |
EP0162998A1 (fr) | Membranes et plateaux pour filtres-presses | |
FR2582961A1 (fr) | Petit filtre a jeter pour le filtrage de fluides | |
FR2722731A1 (fr) | Pressoir pour l'extraction d'un liquide contenu dans une matiere telle que du raisin | |
FR2477897A1 (fr) | Tete distributrice pour filtre cellulaire a tambour | |
FR2517983A1 (fr) | Crapaudine equipee d'un filtre de type panier, pour filtrer des liquides | |
FR2830785A1 (fr) | Procede et instrument pour deverrouiller un dispositif comportant deux corps encliquetes axialement | |
FR2589080A1 (fr) | Plateau de filtre-presse a membranes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 97198971.0 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG ZW AT BE CH DE DK ES FI FR GB GR IE IT LU MC |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1997911290 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2268798 Country of ref document: CA Ref document number: 2268798 Country of ref document: CA Kind code of ref document: A Ref document number: 1998 519032 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: PV1999-1381 Country of ref document: CZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1999/01481 Country of ref document: TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09284608 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1997911290 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: PV1999-1381 Country of ref document: CZ |
|
WWR | Wipo information: refused in national office |
Ref document number: PV1999-1381 Country of ref document: CZ |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1997911290 Country of ref document: EP |