EP4408565A1 - Module de filtre, kit, dispositif de séparation, et procédé de fabrication du module de filtre - Google Patents

Module de filtre, kit, dispositif de séparation, et procédé de fabrication du module de filtre

Info

Publication number
EP4408565A1
EP4408565A1 EP22738370.0A EP22738370A EP4408565A1 EP 4408565 A1 EP4408565 A1 EP 4408565A1 EP 22738370 A EP22738370 A EP 22738370A EP 4408565 A1 EP4408565 A1 EP 4408565A1
Authority
EP
European Patent Office
Prior art keywords
filter module
filter
module according
housing
separating elements
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22738370.0A
Other languages
German (de)
English (en)
Inventor
Uwe Knaus
Joachim VOGEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innovative Paint and Conveyor Systems SL
Original Assignee
Ipcs Innovative Paint & Conveyor Systems GmbH
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 Ipcs Innovative Paint & Conveyor Systems GmbH filed Critical Ipcs Innovative Paint & Conveyor Systems GmbH
Publication of EP4408565A1 publication Critical patent/EP4408565A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0016—Folded frame or housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material

Definitions

  • Filter module kit, separating device and method for manufacturing the filter module
  • the invention relates to a filter module for interchangeable installation in a separating device of a painting system and for separating overspray from an exhaust air flow of the painting system according to the preamble of claim 1 and a kit, a separating device with such a filter module and a method for producing the filter module.
  • the filter module has a housing which is made from a housing material and on which an inflow opening and an outflow opening are provided.
  • the filter module has a plurality of separating elements which are held in the housing between the inflow opening and the outflow opening and form a flow labyrinth, for example.
  • EP 2 236 215 B1 discloses a filter module for separating spray mist.
  • the separating elements of the filter module are semi-tubular with the contour of a round tube. As shown in FIG. 4 of this document, the curved sections of two adjacent half-pipes form an acceleration section for the fluid, while a staggered half-pipe with opposite opening direction serves as an impact surface with a direction deflection of the flow by 180°. As a result, the exhaust air flow is directed back to a rear curved second tee on one of the two aforesaid adjacent half-pipes, the end edges of the curved section of the first tee being directed towards said second tee.
  • the separating elements of the filter module are made of plastic and enclosed in a frame.
  • the disadvantage of this is that the plastic half-pipes always have to be cleaned after separation or, as a single-use product, have to be disposed of at great expense.
  • the plastic is difficult to burn. There is a lot of waste or, in the case of cleaning, a lot of cleaning fluid containing paint.
  • DE 10 2018 116 526 A1 also discloses a filter module with a structure similar to EP 2 236 215 B1.
  • the filter modules made of plastic or cellulose can be used here.
  • the cellulose variant allows the paint and the substrate to be burned, e.g. in a pyrolysis oven. The remaining remnants are considerably smaller in volume than in the case of EP 2 236 215 B1.
  • pocket filter elements are known from US 2017/0136483 A1, which are assembled into a filter module by means of cardboard plates and receptacles. These are then introduced as a package into a housing structure.
  • a filter module is known from DE10 2018 118 796 A1, in which a filter housing is made of a material that is not permanently liquid-resistant, for example a material based on cellulose, such as paper, cardboard or cardboard.
  • the filter housing has a separate base unit that serves as a paint sump and essentially consists of a trough-shaped, shaping structure and a film inserted therein.
  • the dimensions of the filter housing and its base unit 20 are adapted to the dimensions of a Euro pallet in order to enable the filter module to be handled and transported with a lifting truck.
  • a disadvantage of the known filter module is that it has to be assembled from a large number of individual parts, as a result of which the manufacture and assembly of the filter module are relatively costly and time-consuming.
  • the handling of the known filter modules during installation and disposal is relatively complicated due to the dimensions.
  • a filter pack with a frame or with holding plates is first formed from individual separating elements, which are then inserted into a cardboard box with an inflow and an outflow opening.
  • special tools are necessary in production or it has to be done manually.
  • the object of the invention is to avoid the disadvantages mentioned in a generic filter module and to enable more cost-effective production and more convenient handling.
  • a filter module according to the invention is used for exchangeable installation in a separating device of a paint shop. It enables the separation of so-called overspray, in particular paint residues, from the exhaust air flow of the paint shop.
  • the housing is made of a housing material and has an inflow opening and an outflow opening.
  • the connection of the midpoints of the inflow and Outflow openings define a linear flow direction.
  • the exhaust air can be deflected several times within the filter module, but the previously defined flow direction is a fictitious linear connection between the centers of the inflow and outflow openings.
  • a plurality of separating elements are arranged within the housing and are held in the housing between the inflow opening and the outflow opening.
  • the separating elements are preferably arranged one behind the other both in the direction of flow and next to one another perpendicularly to the direction of flow.
  • the housing has at least one wall, a base and a cover, which are made in one piece from a foldable sheet of the housing material.
  • the wall can comprise at least two side walls and can particularly preferably be designed to run all the way around. This can be seen insofar as the transitions between the individual areas are seamless.
  • the sheet can be formed as a sheet of pyrolysis-resistant sheet metal, e.g., steel, or a cellulose-based sheet.
  • the housing will also have no weld seam in the metal structure at the fold edges in each transition between the aforementioned housing elements and in the case of a cellulosic material there will be no adhesive fold or the like between the housing elements.
  • the arc also has a bearing element which is preferably formed in one piece with the remaining aforementioned housing elements.
  • each of the housing elements mentioned has at least one such seamless transition to an adjacent housing element.
  • the housing defines a housing cavity within which the separating elements are located.
  • the longitudinal axes of the separating elements that is to say the main direction of extension of the separating elements in space, are preferably arranged perpendicularly to the direction of flow.
  • the aforementioned bearing element has receptacles, i.e. indentations or breakthroughs. before by the bearing element, which are provided for positioning and fixing the separating elements.
  • the separating elements can advantageously be fixed exclusively by the receptacles.
  • an additional material connection can also be made depending on the material combination, e.g. by gluing or welding.
  • the design as an arch or the housing that can be deformed from this, e.g. foldable or bendable, can be produced particularly inexpensively and automatically, in particular by a punching/cutting process and a subsequent forming process with the interposition of the insertion of the separating elements.
  • the arch can preferably be formed by punching or laser cutting and then shaped in a bending machine or another forming tool.
  • the separating elements can be positioned and used individually or combined by one or more coupling elements during or after the shaping of the bearing elements.
  • the bearing elements are not yet fully stabilized by the other elements of the housing, they can still deform elastically for the purpose of inserting the separating elements.
  • the separating elements can also be brought into position and fixed in their final position in a single production step by folding over the bearing elements.
  • the recesses are attached to the separating elements by forming.
  • the cutting and possibly the insertion of creases into a sheet with the corresponding housing elements can be done, for example, by cutting and/or punching, and the further processing can be done by a folding machine.
  • the separating elements can be used individually or combined by one or more coupling elements directly during the forming process.
  • the separate formation of a filter element from a plurality of separating elements and the insertion into the housing only after the complete formation of the housing, as described in the prior art, is associated with increased manufacturing effort, which is advantageously avoided in the context of the present invention.
  • Another advantage is the simplified and space-saving storage capability. In this way, the housing can initially be stored and transported in particular in an arcuate manner and only brought into its final housing shape when required.
  • the sheet in the case of a cellulose-based material, can have a hollow chamber structure, so that two cover layers are provided with an intermediate layer, which forms the hollow chambers.
  • two cover layers are provided with an intermediate layer, which forms the hollow chambers.
  • the housing is made of steel and the separating elements are made of a pyrolyzable material. As a result, the housing can be reused after pyrolytic cleaning by using new separating elements.
  • the separating elements can be positioned and fixed in that the separating elements are partially bordered directly by the receptacles or that the fixing and positioning of the separating elements is performed indirectly by the coupling element, with this being partially bordered by receptacles.
  • the bearing element is integrally connected to a further element of the arch, in particular the wall, the base and/or the cover. Due to the fact that all the essential parts of the housing are in one piece, the forming process for forming the housing is particularly simple and not very time-consuming.
  • the housing material is designed to be foldable or bendable, ie bendable.
  • the filter module or individual components can either be subjected to a particular thermal Evaluation or a thermal processing in the form of a pyrolysis are supplied.
  • the housing is cuboid in shape, in particular folded or bent, whereby the filter module can be stacked with one or more filter module(s) and/or at least two filter modules can be placed side by side in order to modularly assemble the filter area of the relevant separating device and expand it as desired can.
  • filter modules can be connected in series.
  • the filter modules can be provided with different separating elements, so that a filter module is designed as a pre-separator and a filter module as a main separator and all filter modules can be designed using the same manufacturing process, with the same manufacturing tools and along the same production line, simply by exchanging the separating elements.
  • the housing has a maximum extension of 100 cm, preferably 80 cm.
  • the housing and the filter module as a whole also extend on its longest side in such a way that a single person can easily grasp and carry it by hand.
  • the inflow opening and the outflow opening are preferably embedded in two opposite wall parts of the peripheral wall and thereby define a horizontal alignment of the flow direction.
  • the space required for the flow path within the filter module can be minimized, which in turn enables a more compact design of the filter module.
  • the flow path can be lengthened as required by arranging two or more filter modules one behind the other in order to increase the degree of separation.
  • the separating elements are designed in the form of columns and are aligned perpendicularly with respect to the direction of flow, in order to enable rapid and simple insertion of the separating elements into the housing.
  • the separating elements preferably at least partially have a lattice wall, within which a filter material can be accommodated, by means of which the degree of separation can be increased.
  • the separating elements are designed in the form of columns as a grid tube. In order to achieve a positioning of several of the columnar separating elements, these can be connected to one another via the said coupling elements.
  • the separating elements In the longitudinal direction, the separating elements each have two terminal partial areas and a middle area, with the separating elements being connected by at least one coupling element along a fixing plane in such a way that a partial area of a separating element protrudes in a first direction relative to the fixing plane and the middle area in the first direction opposite direction with respect to the fixing plane protrudes.
  • the coupling element holds the separating elements together in such a way that the ends or the terminal partial areas are still exposed for positioning in the receptacles of the bearing element.
  • the coupling element only needs to be designed so stable that positioning of the separating elements during manufacture is facilitated, while the separating elements are held in position in the intended operation of the filter module according to the invention by their position in the receptacles.
  • the separating elements can also be connected by two or more coupling elements for better positioning, in such a way that the terminal subregions in each case protrude in relation to the fixing planes of two outer coupling elements.
  • Said coupling element can be designed in the form of a strip.
  • the coupling element can be a clamping or latching strip and can be arranged perpendicularly to the longitudinal axis of the separating elements.
  • two bearing elements are provided per filter module for fixing the separating elements at the ends on both sides, which are produced in one piece with the housing from the housing material.
  • individual separating elements can also be semi-tubular, preferably with a closed tube wall.
  • all separating elements of at least two rows of separating elements arranged one behind the other in the direction of flow can each have an identical cross section.
  • this cross-section can be designed as a half-pipe cross-section.
  • a half tube corresponds to a tube which is divided lengthwise.
  • Polygonal tubes are particularly cellulose-based Materials for the separating elements are advantageous since materials such as cardboard and the like are often easier to bend than to bend into the semi-tubular shape. At the same time, the edges enabled better turbulence effects and thus greater separation.
  • the half-tubes in a first row have a first opening direction
  • the half-tubes in the second adjacent row have a second opening direction
  • the respective opening directions of the half-tubes in the first row being parallel to one another and in opposite directions in relation to the half-tubes in the second row directions.
  • the openings of the respective rows of half-tubes thus point in different directions.
  • the flow path within the filter module can be lengthened and an increase in the effective separation area is achieved.
  • Something similar is known, inter alia, from EP 2 236 215 A1. Due to the arc shape, an area that is larger than the actual flow cross section can also be generated, along which paint particles can be separated from an exhaust air flow to be cleaned. In this way, the degree of separation can be further increased
  • the separating elements or their lattice walls or in the embodiment as half-tubes can be made, for example, at least partially from a pyrolyzable disposable material based on cellulose, in order to enable simple thermal disposal or recycling.
  • the separating element can be made of a pyrolysis-resistant and/or chemically resistant separating material, which can be freed from the retained lacquer, for example, in the course of a pyrolysis or a chemical treatment and can then be reused.
  • the separating element can be made of a metal, for example, which is resistant to a pyrolysis process at a temperature of more than 390° C., in particular 400-550° C., for 16 to 20 hours.
  • metal especially steel, the residue burns into the surface only to a small extent and the total weight can be kept comparatively low compared to ceramic or graphite.
  • At least one bearing element is attached to the base and/or the cover, into which receptacles for positioning and fixing the separating elements are embedded.
  • the preferred arrangement of the separating elements can be specified here by the recordings.
  • the recordings enable a stable fixation of the separating elements within the housing.
  • production from a sheet also enables compact storage and space-saving transport of a plurality of filter modules, as well as particularly simple assembly.
  • the production of the bearing element from the housing material also enables simple disposal or reuse of this element.
  • the high strength of the bearing material also allows the separating elements to be fastened to be mounted on only one side. For example, they can only be fastened to the bearing element at their bottom end in a positive and/or frictional manner, while they are free at the end on the cover side or merely rest on the cover. This in turn enables an even simpler and faster assembly and disassembly of the filter module.
  • the half-tubes of a first row can have a transverse offset, in particular perpendicular to the direction of flow and to the longitudinal axes of the half-tubes of a row.
  • This transverse offset is at least an average radius r of a half-tube in a row compared to the second adjacent row in the housing, but it can also be larger than this average radius.
  • the average radius refers to the average of all radii of a half pipe. With a round tube, this is the same everywhere, with a polygonal tube, the radii of a cross-section can be different depending on the angle. Accordingly, an approximate mean value of several radii must be determined.
  • the receptacles within the bearing element can be closed at the ends to protect against laterally penetrating moisture. This can be achieved, for example, by using a somewhat greater material thickness for the bearing element, with the receptacles only representing a depression with a bottom.
  • a preformed bearing element can also be placed on a housing wall of the arc and connected to it, e.g. glued or welded. The bottom of the recess can be formed by the housing wall.
  • the bearing element is preferably designed in the form of a plate.
  • the receptacles can each be designed as an opening, with the separating elements also being arranged in the opening in a materially bonded manner, preferably welded.
  • the welding can be done in a simple manner in terms of production technology after the filter module has been shaped from the outside of the housing.
  • a kit for a filter module according to the invention the kit exclusively comprising a bend, the separating elements and optionally one of the following elements: the coupling element and/or mechanical connecting means.
  • the optional items may be present.
  • the kit can also only consist of the sheet and the separating elements.
  • Mechanical fasteners are, in particular, screws, nuts, rivets, threaded pins, clamping springs, etc..
  • the kit can preferably only include the bend, the coupling element and the separating elements.
  • the aforementioned elements can advantageously be plugged into one another.
  • the housing made from the sheet with the separating elements is preferably bonded, in particular welded or glued.
  • a first filter module according to the invention can advantageously be designed as a pre-separator for separating paint particles between, for example, 25-250 ⁇ m and a second filter module according to the invention can be designed as a main separator for separating paint particles between, for example, 5 and 150 ⁇ m.
  • the main separator is arranged downstream of the pre-separator, in particular directly, in terms of flow mechanics.
  • the differentiation in training includes, among other things, a selection of different separating elements, as well as the distances between the separating elements.
  • the filter module has several filter stages for the quantitative separation of particle-laden gases with different particle size distributions. Larger particles tend to be separated in the pre-filter, so that the particle size distribution of the particle-laden gas changes when it is passed in the flow direction through the filter module from the pre-filter to the fine filter. Both solid particles and droplets are to be understood as particles.
  • Also according to the invention is a method for shaping the filter module according to the invention with the following steps: A providing the profiled sheet comprising the aforementioned elements of a filter module, ie at least the wall, the cover, the base and the bearing element;
  • a blank can be provided, e.g., by a cardboard blanking device and/or a laser device or by stamping metal or the cellulose-based material or the like.
  • the reshaping can be done by folding and/or bending and/or edging or the like.
  • the bearing element or elements are first formed out of the plane of the sheet, as well as any further walls, the base or the cover.
  • the separating elements can be inserted at the same time as the forming or after the forming.
  • the separating elements are brought into position above the arc plane before forming, and then recesses of the bearing element are guided over the separating elements.
  • the recesses can also be guided over the separating elements within the scope of the insertion in the sense of the present invention.
  • the other elements are then formed by forming. This can be done by rotating around an axis of rotation. Particularly preferably, in addition to the rotation, folding of laterally or axially protruding elements can take place.
  • the above-mentioned object is achieved by a separating device with a filter module in one of the above-described embodiments, at least one further filter module being held adjacent to the first filter module.
  • the effective filter area of the separating device can be put together in a modular manner and also disassembled again for disposal. Due to the modular design, a large filter-effective area of a separating device can be easily and manually assembled and disassembled again. to be built together.
  • the filter modules can be constructed in the same way and/or with different dimensions or geometries.
  • FIG. 1 is a perspective view of a separating device of a paint shop
  • FIG. 2 shows a top view of a first embodiment of the sheet of material with integrated bearing elements for forming a first filter module according to the invention.
  • FIG. 4 shows a perspective view of a second variant of a filter module according to the invention.
  • FIG. 5 shows a deconstructed partial view of the interior of the filter module of FIG. 4;
  • FIGS. 4 and 5 shows a partial view of the filter module of FIGS. 4 and 5 with the housing frame removed;
  • FIG. 7 shows a plan view of a grid attachment that can be walked on, which can be connected to the filter module of FIGS. 5 and 6;
  • FIGS. 4 and 5 shows a schematic sectional view of the filter module of FIGS. 4 and 5;
  • FIG. 9 shows a further perspective view of the filter module of FIG. 4;
  • Figure 10 is a partially deconstructed exploded view of the filter module of Figures 4-9;
  • FIG. 11 shows a perspective view of a third embodiment variant of a filter module according to the invention
  • FIG. 12 shows a further perspective view of the embodiment variant from FIG. 11 from the rear;
  • FIG. 12 shows a further perspective view of the embodiment variant from FIG. 11 from the rear;
  • Figure 13 is another perspective view of the filter module of Figures 11 and 12;
  • FIGS. 11-13 shows a further perspective view of the filter module of FIGS. 11-13 with the grid attachment removed;
  • Figure 15 is a schematic deconstructed exploded view of the filter module of Figures 11-14;
  • Figure 16 is a further simplified exploded view of the filter module of Figures 11-15;
  • Figure 17 is a simplified exploded view of a modification of the filter module of Figures 11-16;
  • FIG. 18 shows a simplified exploded view of a fourth embodiment variant of a filter module according to the invention.
  • FIG. 19 is a further simplified exploded view of the filter module of FIG. 18;
  • FIG. 20 is a rotated upstream view of FIG. 19;
  • Figure 21 is another exploded view of the filter module of Figures 18-20;
  • FIG. 22 shows a perspective view of the filter module of FIG. 21 with the filter cassette removed;
  • FIG. 23 rotated upstream view of FIG. 22;
  • FIG. 24 partially sectioned view of Fig. 23;
  • Figure 25 is a perspective view of the filter module of Figures 18-24;
  • FIG. 26 partially sectioned perspective view of the filter module of FIGS. 18-25 with additional grid attachment that can be walked on;
  • FIG. 27 partially sectioned perspective view of the filter module of FIG. 26 with inserted filter cartridge
  • Figure 28 is a perspective view of the filter module of previous Figures 18-27;
  • FIG. 29 perspective view of a fifth embodiment of a filter module according to the invention.
  • Figure 30 is an exploded view of the assembly of Figure 29;
  • FIG. 31 rotated view of Fig. 30;
  • FIG. 32 rotated view of Fig. 29;
  • FIG. 33 perspective view of the arrangement of FIG. 29 with an additional grid attachment that can be walked on;
  • FIG. 36 shows a plan view of a first embodiment of the material sheet with integrated bearing elements for forming the fifth filter module according to the invention according to FIG. 29;
  • FIG. 37 shows a top view of a second embodiment of the material sheet with integrated bearing elements for forming the fifth filter module according to the invention according to FIG. 29.
  • Fig. 1 shows a separating device 2 for separating overspray from an exhaust air flow 4 of a painting system 6.
  • the separating device 2 has a separating area 8 through which the exhaust air flow 4 is guided and which is composed, for example, of three filter modules 10 arranged next to one another in a modular manner.
  • the structurally identical filter modules 10 each have a cuboid housing 12 which forms a peripheral wall 14 , a base 16 and a cover 18 .
  • the filter modules can also be designed with different dimensions or geometries as an alternative to the structurally identical design.
  • the housing 12 with the peripheral wall 14, the base 16 and the cover 18 is made from a one-piece, foldable sheet 30, the housing material or the material of the sheet 30 being based on cellulose and, for example, made of a cardboard, paper and/or or cardboard material.
  • the material can preferably be a sheet of corrugated cardboard or particularly preferably a sheet of hollow chamber profile.
  • a first edge R1 can be connected to a second edge R2 of the wall 14 via a connecting strip V produced by a fold, for example by clamping and/or gluing, in order to produce the peripheral shape of the wall 14 .
  • a second bearing element 34 is provided, which is integrally fixed to the cover 18 or a wall 14 .
  • the two bearing elements 32 and 34 are thus also made from the housing material from which the wall 14, the base 16 and the cover 18 of the housing are also formed.
  • the bearing elements 32, 34 can, for example, be provided with connection strips B that can be folded over a respective fold, in order to be glued to the elements of the housing after or during the shaping of the filter module or to be connected in some other way that does not have a seamless connection with the respective bearing element 32 or 34.
  • receptacles 36 positioned in a manner coordinated with one another are embedded, into which the ends of a plurality of column-shaped separating elements 38 are inserted.
  • the bearing elements 32 , 34 with their mounts 36 are aligned mirror-symmetrically to one another, the plane of symmetry preferably running on or parallel to the direction of flow 28 .
  • the separating elements 38 are fixed to the housing 12 by the receptacles and arranged in a predetermined manner, in particular to create a flow labyrinth in Flow direction 28 form.
  • the actual flow path is much longer than the direct linear connection of the centers of the inflow and outflow openings 24 and 26.
  • a row of separating elements 38 can be arranged in an arc in order to produce an enlarged effective filter surface.
  • 3 shows the separating elements in cross-section along their longitudinal axis A.
  • the separating elements 38 can preferably have a lattice wall 40 which is produced, for example, from a pyrolytic metal or from a cellulose-based material.
  • a filter material M can be accommodated within this lattice wall, with the selection of the filter material being based on the selection of the housing material and the material of the separating elements.
  • the filter material can be a cellulose-based nonwoven material, an unconsolidated cotton material, also known in the art as "scrim", paper scraps or any other material with a large surface area which is known and suitable for separating or filtering an air flow. It can, for example, also be a preliminary product or a waste product from the production of nonwovens that is not consolidated into a nonwoven.
  • the separating elements 38 can thus be made of a single-use material that can be disposed of/recycled in particular thermally
  • the separator material can also be made of a pyrolysis-resistant material that can be freed from the retained paint during pyrolysis, for example, and can then be reused.
  • the filter material can be a metal mesh or metal mesh.
  • all the materials of the filter module should also be resistant to a pyrolysis process at a temperature of, for example, 400° to 480° C. or more for 4 to 20 hours.
  • the filter modules 10 have a simple and inexpensive structure and can be reprocessed by pyrolytic cleaning or incinerated after a predetermined retained quantity of paint has been reached. In contrast to the use of plastic elements, apart from the ingredients of the paint, no outgassing of toxic polymer vapors need be feared.
  • the filter modules 10 can be used both individually and in combination, in particular also with the other filter modules described below, and because of their cuboid shape they can be stacked or arranged side by side. In this way, a separating area 8 of any size of a separating device 8 can be put together in a modular manner.
  • the housing 12 according to FIG. 2 also has a maximum extension E of 100 cm, preferably 80 cm.
  • FIG. 2 shows a particularly preferred embodiment of the material sheet 30 in which the two bearing elements 32, 34 are integrated in the sheet 30 according to the invention.
  • the two arcuate segments from which the bearing elements 32, 34 are folded or bent, in particular folded, are also made from the housing material and are punched or cut out in one piece with the other parts of the housing 12, for example by means of a laser cutting process.
  • the entire arc 30 can be made of pyrolysis-resistant metal.
  • the high strength of the bearing material also enables the separating elements 38 to be fastened to be mounted on only one side by being inserted into the receptacles 36.
  • the separating elements 38 are, for example, fixed or clamped in a form-fitting and/or friction-locking manner only on the first bearing element 32 (not shown).
  • FIG. 4 shows a second variant of a filter module 110 according to the invention, comprising a housing 112 and a peripheral wall 114 and a cover 118 and a base (not shown).
  • a grid attachment that can be walked on.
  • This is also part of the filter module and is designed to cover the inflow opening of the housing. It is thus possible to position the filter modules in a bottom region of the separating device in such a way that the inflow opening is directed in the direction of the paint booth and the direction of flow can be aligned vertically.
  • the filter modules can be walked on through the grid attachment, so that an arrangement of several filter modules arranged side by side can form part of the floor of the paint booth, whereby the so-called grid level, which is usually arranged separately, can be replaced, which enormously reduces the handling and cleaning effort.
  • FIG. 5 is a deconstructed partial view of the interior of the filter module of FIG. 4. Individual elements of the housing 112 have been omitted so that the arrangement of further elements in the interior of the housing can be seen.
  • the bearing element 132 is actually in one piece and in particular seamlessly connected to one or more elements of the housing, such as the wall 114 and/or the cover 118 and/or the base, although shown as a separate element in FIG. 5 for reasons of simplification.
  • the grid attachment 140 has a grid frame 156 and a grid 158 .
  • Separating elements 138 are arranged inside the housing 112 . These have a semi-tubular shape with a round tube bisected in the longitudinal direction and run perpendicular to the flow direction 128.
  • the term semi-tube is not limited to a round tube, but it can also be designed, for example, as a polygonal tube bisected lengthwise.
  • the term "half pipe" also includes deviations from bisection by +/- 10% from an ideal radian of 180°.
  • the separating elements 138 are arranged in two rows in the filter module, with each row being formed in a straight line in FIG. 5 . However, the row can also run in an arc. The respective row runs, in particular, perpendicularly to the direction of flow 128.
  • each of the aforesaid and subsequent columnar and/or semi-tubular separating elements may be part of a pre-filter stage.
  • the filter module 110 On the downstream side of the pre-filter stage, the filter module 110 has a pocket structure 142 for accommodating a filter cassette or a surface medium.
  • the filter cassette and pocket structure 142 form a main filter stage and/or a fine filter stage. In this stage, the quantitative separation of paint overspray with smaller particle sizes takes place than in the pre-filter stage.
  • the pocket structure has a row of V-shaped pockets 144 into which a filter cartridge can optionally be inserted.
  • the V-shaped pockets can also themselves already form the main and/or fine filter stage without a filter cassette being used. Such filter stages are also known as pocket filters in air purification technology.
  • the pockets do not necessarily have to be V-shaped, so U-shaped pockets are also possible. However, the V-shape is preferred due to a higher separation efficiency.
  • the pockets are formed by a filter medium.
  • This is designed as a surface medium 148 and preferably contains fibers.
  • the filter media is held in place and stabilized by support plates 146 . These may be formed as a lattice of radially extending support struts 152 and concentrically extending frame struts 154 .
  • connection point preferably a hinge, in particular a film hinge, is arranged in the edge areas of the support plates 146 in the area of the tips.
  • FIG. 6 shows the elements of the filter module of FIG. 5 in a rotated view. The rear openings of the V-shaped pockets are shown more clearly, through which a replaceable filter cartridge can be inserted into the filter module.
  • Fig. 7 shows a front view of the walkable grid attachment 140.
  • Fig. 8 shows a sectional view of the filter module 110 described above perpendicular to the longitudinal axis of the separating elements 138.
  • FIG. 9 shows a further perspective view of the filter module 110 of FIG. 4 in a rotated position.
  • FIG. 10 shows a partially deconstructed exploded view of the filter module 110 described above, analogous to FIG.
  • the surface medium 148 can be formed in one layer or in multiple layers.
  • the sheet medium can be uncompacted or compacted.
  • the densification can be supported by adhesive fibers or hot-melt adhesive fibers.
  • the edge sides of the flat medium can be welded, preferably ultrasonically welded. The same applies alternatively or additionally to the contact surfaces with the support plate, which are therefore not directly impinged on in the filter module.
  • 11 shows a perspective view of a third embodiment variant of a filter module 210 according to the invention. Similar to the previous filter modules 10 and 110, the filter module 210 has a wall 214 and a cover 218 as part of a housing 212. In addition, the filter module 210 has an inflow opening 224 into which a paint-laden gas flow enters and is passed through in a flow direction 228 . Separation elements 238 are arranged within the filter module 210, analogously to the previous variants.
  • the separating elements 238 are arranged in rows, preferably oriented perpendicularly to the direction of flow 228, and form a pre-separator stage within the filter module 210.
  • a main and/or pre-filter stage is arranged on the outflow side, ie behind the pre-separator stage, which in the second variant is designed as column-like separator elements 239 made of a grid material.
  • Each grid has longitudinal struts with a longitudinal extent parallel to the longitudinal extent of the separating elements 238 of the pre-filter stage.
  • the longitudinal struts are connected to one another by round or spiral struts to form a hollow column made of the grid material.
  • the columnar separating elements 239 made of lattice material are preferably filled with a filter medium, analogously to the first embodiment variant.
  • Said filter material when using this type of separating elements can be a fibrous material, preferably based on cellulose.
  • the fibers can, for example, be part of a cellulosic wadding, in particular a so-called "fluff pulp” or flake pulp material.
  • filter material preferably fibrous material, is also possible for filling the separating elements made of grid material.
  • FIG. 13 shows a filter module 210 in the assembled state with a grid attachment 240 that can be walked on in a configuration analogous to the second embodiment variant.
  • the filter module 210 can be combined with the filter modules of the previous embodiment variants in a common, preferably accessible, arrangement in a separating device.
  • the external dimensioning of the filter module 210 can be designed analogously to FIG. 4 or 9.
  • FIG. 4 or 9 The external dimensioning of the filter module 210 can be designed analogously to FIG.
  • Fig. 14 shows the variant of the filter module 210 of Fig. 13 with a separate walk-on grid attachment 240, which also has a grid frame 256 and a grid 258 arranged therein or arranged above it.
  • Fig. 15 shows a schematic, deconstructed, exploded view of the filter module 210 of Figs corresponding recordings in a corresponding form to the separating elements 232, 234.
  • the bearing elements 232, 234 are integrally connected to other elements of the housing 212 and are therefore part of an arch for forming the housing 212 of the filter module.
  • the separating elements 239 are arranged in rows and connected in series via connecting struts 245.
  • two or more separating elements 239 can also be connected to one another in their longitudinal direction via connection points, e.g. spot welds, or via longitudinal struts, e.g.
  • pre-separation stage consisting of two rows of half-tubes as separating elements 238 and the main or fine separating stage consisting of several rows of columnar separating elements 239 made of grid material can be seen, as shown in FIG.
  • FIG. 16 shows a further simplified exploded view of the filter module of FIGS. 11-15, wherein the arrangement of rows 264 of the separating elements 239 of the main and/or fine separator stage arranged one behind the other in the flow direction 228 is shown.
  • two rows 260 and 262 of the half-tube separating elements 238 are arranged with the concave surfaces of the half-tube separating elements 233 oriented in opposite directions.
  • the semi-tubular separating elements 238 of the two rows are offset by at least a central radius. The offset of the half-tubes in the row is preferably
  • the preferred offset of a half-pipe in row 262 compared to a half-pipe in row 260 in the direction perpendicular to flow direction 228 corresponds to the sum of the mean radius of the half-pipe in row 260 and the distance between two adjacent half-pipes 260 from one another.
  • FIG. 17 is a simplified exploded view of a modification of the filter module of FIGS. 11-16.
  • This variation has four rows 260 and 262 of semi-tubular separating elements 238.
  • FIG. A number 262 is included for the sake of Clarity only indicated.
  • the concave surfaces of the semi-tubular separating elements 238 of two adjacent rows 260 and 262 are aligned in opposite directions. In contrast, the number of rows 264 of separating elements 239 of the main or fine separator is reduced.
  • FIGS. 18 shows a simplified exploded view of a fourth embodiment of a filter module according to the invention. This can be designed analogously to the second embodiment variant of FIGS.
  • the bearing element 332 and the cover 318 can be a single element, with separating elements 338 and/or support plates 339 being arranged in the recesses in the bearing element 332. Since the separating elements and the bearing element are made of metal, the separating elements are closed on the outside by welded connections 311, 313, optionally by spot welds or line welds.
  • a receiving structure 342 with individual guide tracks 344 which are open at the ends in a V-shape is arranged on the outflow side in relation to the through-flow direction 328 .
  • the guide tracks 344 are formed by latticed support plates 346 and are open at the ends, in contrast to the previous embodiment variants.
  • the support plates can advantageously bear resiliently against the filter medium 348 of the filter cassette 364, which is designed as a flat medium.
  • the filter cassette 364 has a support structure 380 of filter pockets 381 tapering to a point, which corresponds to the receiving structure 342 .
  • the support structure 380 has a sequence of latticed support plates 366 connected to one another in a V-shape to form filter pockets 381 .
  • Two adjacent support plates 366 are connected perpendicularly to the insertion direction 382 via a connecting web 374 .
  • Said insertion direction 382 is opposite to flow direction 328 .
  • the support plates 366 have radial support struts analogously to the receiving structure 342
  • the filter cassette 364 preferably also has a cover panel 370, which closes the rear opening of the housing 312.
  • a plurality of opening slots 368 are arranged in the cover panel, which form outflow openings of the respective V-shaped filter pockets 381 .
  • the surface filters 348 are initially not shown in FIG.
  • FIG. 19 shows a further simplified exploded view of the filter module of FIG. 18 in which the receptacles 336 and 337 of the various separating elements 338 and/or support plates 339 are arranged in the bearing element 332 without being welded.
  • FIG. 20 shows a rotated inflow-side view of FIG. 19 with the illustrated separating elements 338 in the form of half-tubes, the longitudinal axes of which are aligned perpendicularly to the through-flow direction.
  • the filter module 310 is arranged as a frontmost first row 360 on the inflow side with half-pipes whose concave side is in the interior of the housing.
  • the first row 360 is adjacent to a second row 362 of half-tubes whose concave sides are opposite to the concave sides of the first row 360 .
  • the offset in the direction transverse to the flow direction of the semi-tubular separating elements in the second row 362 compared to the first row of separating elements is analogous to the third exemplary embodiment of a filter module 210 according to the invention, as described above.
  • the second row 362 is adjacent to a third row 362 of half-tubes as separating elements 238, the concave sides of which are in the same direction as the half-tubes of the second row 362, but which are offset analogously to the above-described offset of the second row with respect to the first row.
  • a filter medium is designed as a surface medium 348 and is arranged above the support plates 366 in such a way that the surface medium 348 is arranged between the support plates 346 and 366 when the filter cassette 364 is installed.
  • the surface medium can be exchangeable, e.g. clamped, arranged on the filter cassette.
  • Fig. 22 shows another perspective view of the filter module of Fig. 21 with the filter cartridge 364 removed for receiving in the housing 312 of the filter module 310 on the outflow side lifetime is useful.
  • the filter cassette or at least the surface medium can consist of a pyrolyzable material, in particular a cellulose-based material, while the remaining parts the filter cassette and/or the filter module can consist of a pyrolysis-resistant metal.
  • a large part of the filter module can be reused and the proportion of waste products and exhaust gases is significantly reduced.
  • Fig. 23 shows a rotated inflow-side view of the filter module 310 of Fig. 22 with the filter cassette 364 removed.
  • Fig. 24 shows a partially sectioned view of Fig. 23 Wall 314.
  • a web 384 protrudes into the interior of the housing, on which a support plate 346 for forming a pocket 344 is angled in one piece.
  • the web 384 can be connected in one piece, in particular seamlessly, to the housing 312 .
  • the receiving structure can also be part of an arch for forming the housing 310 .
  • the half-tubes are designed as polygonal tubes. This variant is preferred above all in the case of separating elements made of non-pyrolysis-resistant cellulose-based material.
  • separating elements made of non-pyrolysis-resistant cellulose-based material.
  • flat cardboard can be bent several times to form a half-tube.
  • the folded edges 323 of the separating elements 338 can be seen in FIG.
  • Round-tube and half-tube shapes can usually only be realized with cardboard or other cellulose-based separating elements with an unnecessarily high amount of work.
  • 25 shows a filter module 310 in the assembled state with the opening slots on the outflow side.
  • FIG. 26 shows a partially sectioned perspective view of the filter module of FIGS. 18-25 with an additional grid attachment 340 that can be walked on, analogously to the previous embodiment variants.
  • the cover panel 370 has two lateral sealing webs along which the filter medium is arranged.
  • the filter medium can in particular be glued, welded or otherwise connected to the cover panel, for example in the area of the sealing webs.
  • the filter medium as a surface medium also consists of a scrim.
  • FIG. 27 shows a partially cutaway perspective view of the filter module 310 of FIG. 26 with the filter cartridge inserted.
  • 28 shows the filter module 310 in perspective view.
  • the welded connections for connecting the separating modules 338 and/or the support plates 339 in the receptacles 336 can be seen on the outside.
  • FIG 29 shows a fifth embodiment of a filter module 410 according to the invention.
  • the filter module 410 of FIG - Housing 412 has welded connections 411 on the outside for connecting separating elements 438 in the receptacles of a bearing element 432.
  • This bearing element 432 can also be designed as a wall 414, a base 416 or a cover 418 of the housing.
  • the structure of the main and/or fine filter stages 484, 486, 488 can also be seen in FIG.
  • the main and/or fine filter stages 484, 486, 488 have a frame 492 and opposite strips 490 arranged on the outside of the frame 492.
  • Within the frame 492 are grid-like support plates 446 on. These can preferably be provided with radially extending support struts 452 and concentrically circumferential frame struts 454 .
  • the plate plane of the support plates 446 is arranged perpendicularly to the direction of flow 428 .
  • the frames 492 of the individual filter modules 484, 486, 488 and/or the housing 412 and/or also a walk-on grid attachment 440 upstream on the inflow side can have coupling elements 494 for fixing, in particular for releasably fixing, the respective aforementioned components of the filter module 410 to one another.
  • the frame 492 of an individual filter module 484, 486 can have corresponding coupling elements, for example hooks 496 and receiving slots 498.
  • FIG. 31 is a rotated view of FIG.
  • the separating elements 138 are designed as polygonal half-tubes.
  • filter media designed as flat media, which can be assigned to the steps 484, 486, 488.
  • 32 and 33 show a rotated view of the assembled filter module 410 of FIG. 29.
  • the filter stages with the housing 412 and the frame 492 are preferably hung against one another and thus coupled by movement perpendicular to the flow direction can be decoupled.
  • Fig. 34 shows a first arrangement 503 of a plurality of assembled separating elements 138. While the separating elements 138 are arranged in the receptacles of the bearing element 132 after assembly, the arrangement 503 makes it easier to position the separating elements 138. These are preferably two or more strip-shaped coupling elements 501 and 502 are held beyond the end areas.
  • the coupling elements 501 , 502 can preferably be arranged along the convex side of the semi-tubular separating elements 138 .
  • the coupling elements 501, 502 can preferably hold the separating elements 138 in a latching or clamping manner.
  • FIG. 35 shows a second arrangement 504 of a plurality of connected separating elements 138, the strip-shaped coupling elements 501 and 502 being arranged along the convex side of the semi-tubular separating elements 138.
  • FIG. These are arranged in particular in receptacles 505, preferably receptacles arranged at the edge, of the separating elements 138.
  • FIG. 36 shows a second embodiment variant of a bend 130 for forming a filter module 410, the bearing elements 132 with the receptacles 136 being arranged on both sides on the edge of the wall with the inflow opening 124.
  • FIG. 37 shows a third variant embodiment of an arc 630, with one bearing element 132 each having the receptacles 36 on the edge of a closed wall.
  • This arc can be designed to form a pre-filter stage or a main and/or fine filter stage.

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

Abstract

L'invention concerne un module de filtre (10, 110, 210, 310, 410) destiné à être installé de manière interchangeable dans un dispositif de séparation (2) d'un atelier de peinture (6) et destiné à séparer l'excès de pulvérisation d'un flux d'air sortant (4) de l'atelier de peinture (6), avec un boîtier (12) qui est produit à partir d'un matériau de boîtier et sur lequel une ouverture d'entrée (24, 124, 224) et une ouverture de sortie (26) sont prévues, et avec une pluralité d'éléments de séparation (38) qui sont maintenus dans le boîtier (12) entre l'ouverture d'entrée (24, 124, 224) et l'ouverture de sortie (26), le boîtier (12) étant fabriqué d'une seule pièce à partir d'une feuille (30, 130, 630) du matériau de boîtier, le boîtier (12) définissant une cavité de logement, à l'intérieur de laquelle des éléments de séparation (38) sont agencés, et la feuille (30, 130, 630) comprenant en outre au moins un élément de support (32, 34, 132, 232, 234, 332, 432), dans lequel sont incorporés des récipients (36, 136, 336) pour positionner et fixer les éléments de séparation (38) ; et un kit, un dispositif de séparation et un procédé de façonnage du module de filtre.
EP22738370.0A 2021-09-30 2022-06-21 Module de filtre, kit, dispositif de séparation, et procédé de fabrication du module de filtre Pending EP4408565A1 (fr)

Applications Claiming Priority (2)

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DE102021125413.2A DE102021125413A1 (de) 2021-09-30 2021-09-30 Filtermodul
PCT/EP2022/066897 WO2023051961A1 (fr) 2021-09-30 2022-06-21 Module de filtre, kit, dispositif de séparation, et procédé de fabrication du module de filtre

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DE (1) DE102021125413A1 (fr)
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DE102024106337A1 (de) * 2024-03-05 2025-09-11 Innovative Paint & Conveyor Systems S.L. Verfahren zur Ausbildung eines Filtermoduls in einer Filteranlage zur Reinigung eines mit Overspray-beladenen Luftstroms
DE102024106334A1 (de) 2024-03-05 2025-09-11 Innovative Paint & Conveyor Systems S.L. Filtereinheit, Abscheidevorrichtung und Verfahren zum Austausch einer Filtereinheit in der Abscheidevorrichtung
DE102024109555A1 (de) 2024-04-05 2025-10-09 Innovative Paint & Conveyor Systems S.L. Filtermodul zur Abscheidung von Lack- und/oder Farbresten, insbesondere von Overspray in einer Lackierkabine

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DE102015016554A1 (de) * 2015-12-18 2017-06-22 Eisenmann Se Vorrichtung zum Abscheiden von Overspray, Oberflächenbehandlungsanlage und Verfahren zum Abscheiden von Overspray
EP2236215B1 (fr) * 2009-04-02 2018-05-02 Volker Haas Préséparateur pour l'ouverture d'aspiration ou d'évacuation d'installations d'aspiration de brouillards de pulvérisation ou d'installations de laquage etc.

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DE102015202257A1 (de) * 2015-02-09 2016-08-11 Dürr Aktiengesellschaft Abscheidevorrichtung, Abscheidekörper und Verfahren zum Herstellen eines Abscheidekörpers
DE102016001889A1 (de) * 2016-02-17 2017-08-17 Eisenmann Se Auffangvorrichtung für Overspray, Filtermodul und Verfahren zum Aufbau eines Filtermoduls
CN107349688A (zh) * 2017-08-10 2017-11-17 中国汽车工业工程有限公司 一种干式漆雾分离装置
DE102018116526A1 (de) 2018-03-15 2019-09-19 Dürr Systems Ag Abscheidestufe sowie Abscheideeinheit mit wenigstens einer Abscheidestufe
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EP2236215B1 (fr) * 2009-04-02 2018-05-02 Volker Haas Préséparateur pour l'ouverture d'aspiration ou d'évacuation d'installations d'aspiration de brouillards de pulvérisation ou d'installations de laquage etc.
DE102011117667A1 (de) * 2011-11-03 2013-05-08 Eisenmann Ag Filtermodul und Vorrichtung zum Abscheiden von Overspray sowie Anlage mit einer solchen
DE102015016554A1 (de) * 2015-12-18 2017-06-22 Eisenmann Se Vorrichtung zum Abscheiden von Overspray, Oberflächenbehandlungsanlage und Verfahren zum Abscheiden von Overspray

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WO2023051961A1 (fr) 2023-04-06

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