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WO2014006671A1 - Élément filtrant pour collecteurs de poussière - Google Patents

Élément filtrant pour collecteurs de poussière Download PDF

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Publication number
WO2014006671A1
WO2014006671A1 PCT/JP2012/066877 JP2012066877W WO2014006671A1 WO 2014006671 A1 WO2014006671 A1 WO 2014006671A1 JP 2012066877 W JP2012066877 W JP 2012066877W WO 2014006671 A1 WO2014006671 A1 WO 2014006671A1
Authority
WO
WIPO (PCT)
Prior art keywords
retainer
filter element
filter medium
dust collector
pleated
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.)
Ceased
Application number
PCT/JP2012/066877
Other languages
English (en)
Japanese (ja)
Inventor
眞司 片山
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.)
J&S ENGINEERING Co Ltd
Original Assignee
J&S ENGINEERING Co Ltd
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 J&S ENGINEERING Co Ltd filed Critical J&S ENGINEERING Co Ltd
Priority to PCT/JP2012/066877 priority Critical patent/WO2014006671A1/fr
Publication of WO2014006671A1 publication Critical patent/WO2014006671A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B01D46/2414—End caps including additional functions or special forms
    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/06—Details of supporting structures for filtering material, e.g. cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/20—Shape of filtering material
    • B01D2275/208—Oval shape

Definitions

  • the present invention relates to a filter element for a dust collector.
  • the present invention relates to a structure of a filter element for a dust collector suitable for filtering dust supplied to a dust collector and collecting the dust.
  • surplus paint mist is generated in a painting booth for painting the body of an automobile.
  • a dust collector is installed, and the paint mist is supplied to a dust collector having a filter disposed therein, and is filtered by collecting paint particles with the filter. Since these paint particles have strong adhesion, they were adsorbed on the precoat material and filtered.
  • a dust collector filter for filtering paint mist, dry powder such as calcium carbonate is generated inside the dust collector and sucked, so that the dry powder as a precoat material is attached to the surface of the filter in advance.
  • a dust collector filter is known in which paint particles are adsorbed by a precoat material by sucking paint mist to prevent clogging of the filter (see, for example, Patent Document 1).
  • the filter for the dust collector as described above can remove the precoat material containing the paint particles from the surface of the filter by so-called back washing by blowing jet air from the direction opposite to the dust collecting direction.
  • a precoat material containing paint particles can be reused as a resource mixed in concrete.
  • Cylindrical filter elements are known as filter elements used in such industrial dust collectors.
  • the cylindrical filter element is composed of a cylindrical retainer (support frame) with one end closed and the other end opened, and a filter cloth (pleated filter cloth) folded in a triangular wave shape covering the outer periphery of the retainer. is doing.
  • the cylindrical filter element described above generates pre-coating material in the dust collector and sucks it, so that the pre-coating material is attached in advance to the surface of the pleated filter cloth, and the paint mist is sucked into the paint particles. Is adsorbed by the precoat material, thereby filtering the paint particles. And the dust adhering to the surface of a filter cloth can be wiped off by spraying jet air toward the inside from the opening surface of a retainer.
  • a flat filter element As such a flat filter element, it is connected to a flat filter formed into a cylindrical shape by two sheet-like filter media facing each other and folded into a bowl shape, and connected to the upper end of the flat filter, and by a flat filter.
  • the upper end member provided with the air outlet configured, a cap connected to the lower end of the planar filter, and a reinforcing member provided with a resin pipe or a round bar across the planar filter.
  • a flat filter element is disclosed (for example, see Patent Document 3).
  • the flat filter element according to Patent Document 3 realizes downsizing in a dust collector using a cartridge element, and can effectively remove dust, and is simple in structure and handling. .
  • JP 2011-41934 A Japanese Utility Model Publication No. 55-147811 International Publication No. 2005/61077 Pamphlet
  • the cylindrical filter element as shown in Patent Document 2 generally holds the outer periphery of a pleated filter cloth with a band at an appropriate interval. Therefore, the cylindrical filter element ensures the durability of the pleated filter cloth by preventing the pleated filter cloth from excessively expanding during backwashing.
  • the cylindrical filter element is disposed inside the dust collector so that the axial direction is substantially vertical so as to coincide with the direction in which the paint mist is sucked upward from below. For this reason, there exists a problem that it is difficult for the pre-coating material which generate
  • the flat filter element as shown in Patent Document 3 is arranged inside the dust collector with the plane to be filtered oriented in a substantially vertical direction so as to intersect the direction of sucking the paint mist upward from below. Can be arranged. Therefore, it is possible to solve the problem that the pre-coating material that has generated dust hardly adheres to the surface of the pleated filter cloth.
  • the flat filter element according to Patent Document 3 changes the direction of air flow when pulsed air at the time of backwashing collides with a reinforcing member provided laterally, and greatly deflects the planar filter outward. .
  • the flat filter element by patent document 3 is able to amplify the effect which peels adhering dust at the time of backwashing (refer paragraph [0047] of patent document 3, and FIG. 4).
  • the flat filter element according to Patent Document 3 increases the amount of deflection of the planar filter when the adhesion area of the planar filter is increased. Therefore, when the filtration step and the backwashing step are alternately repeated, the planar filter quickly reaches the fatigue limit. That is, there is a problem that the lifetime of the planar filter is shortened.
  • a filter element for a dust collector that can filter dust and has excellent durability. The above can be said to be the subject of the present invention.
  • This invention is made in view of such a problem, and it aims at providing the filter element for dust collectors which can filter dust and was excellent in durability.
  • the inventor forms a side surface of a long retainer having a rounded rectangular cross section so as to allow ventilation, and attaches a pleated filter medium covering the side surface of the retainer to the side surface of the retainer with a predetermined interval.
  • the inventors have found that this problem can be solved, and based on this, have come up with the following new filter element for a dust collector.
  • the filter element for a dust collector according to the present invention is arranged such that the filtration surface is arranged in a substantially vertical state, and the direction in which the soot formed substantially parallel to the filtration surface extends substantially coincides with the horizontal direction.
  • a first retainer a porous pleat filter medium that is disposed so as to cover the outer periphery of the first retainer, and that forms a filtration surface provided with a bellows-like ridge in which mountain folding and valley folding are repeated in the circumferential direction;
  • a first cap member that is attached to one end of the retainer, opens a flow port communicating with the inside of the first retainer, and fixes one end of the pleat filter medium; and the other of the first retainer
  • a second cap member for fixing the other end of the pleated filter medium, wherein the first retainer has an accordion-shaped ridge that can be fitted to the inner wall of the pleated filter medium.
  • the filter element for a dust collector according to the present invention has a filtration surface arranged in a substantially vertical state. Moreover, the filter element for dust collectors by this invention is arrange
  • the first retainer is open at both ends. Moreover, the 1st retainer has opened many ventilation holes in the outer periphery containing a pair of substantially rectangular plane opposingly arranged so that it might adjoin.
  • the pleated filter medium is disposed so as to cover the outer periphery of the first retainer. Further, the pleated filter medium forms a filtration surface provided with bellows-like ridges in which mountain folding and valley folding are repeated in the circumferential direction.
  • the first cap member is attached to one end of the first retainer. And the 1st cap member has opened the distribution port connected to the inside of the 1st retainer. The first cap member fixes one end of the pleated filter medium. The second cap member closes the other end of the first retainer. The second cap member fixes the other end of the pleated filter medium.
  • the first retainer has a plurality of ring-shaped first frame members.
  • the first frame member has a bellows-like ridge that can be fitted to the inner wall of the pleated filter medium on the outer wall.
  • These first frame members are arranged at a predetermined interval from one end of the first retainer to the other end. And these 1st frame members are surface-joined to the pleat filter material by fitting through an adhesive agent.
  • the filter element for a dust collector includes a plurality of first frame members formed on the outer wall of bellows-like ridges that can be fitted to the inner wall of the pleated filter medium, and the pleated filter medium by being fitted to the pleated filter medium via an adhesive. Therefore, the rigidity of the filter element can be enhanced and the amount of deflection of the pleated filter medium can be reduced. Thereby, the filter element for dust collectors by this invention can extend the lifetime of a planar filter, even if a filtration process and a backwashing process are repeated alternately.
  • the first retainer extends from one end portion toward the other end portion so as to be substantially orthogonal to the plurality of first frame members, and is fitted through an adhesive, whereby the pleat A plurality of strip-shaped first rib members surface-bonded to the filter medium, and the inside of the first retainer extend in the longitudinal direction, and are joined to the plurality of first frame members and the plurality of first rib members from the inside. It is preferable to further have a plurality of first plate-like ribs to be reinforced.
  • the filter element for a dust collector is such that the filtration surface is arranged in a substantially vertical state, and the direction in which the soot formed substantially parallel to the filtration surface extends substantially coincides with the horizontal direction.
  • a filter element for a dust collector disposed inside, a hollow plate-like second retainer framed to include a pair of substantially rectangular planes that open at both ends and are opposed to each other so as to be close to each other;
  • a porous pleated filter medium which is disposed so as to cover the outer periphery of the second retainer and forms a filtration surface provided with a bellows-like ridge in which mountain folds and valley folds are repeated in the circumferential direction; and one of the second retainers
  • a first cap member that is attached to the end portion opens a flow port communicating with the inside of the second retainer, and fixes one end portion of the pleated filter medium, and the other end portion of the second retainer
  • the filter element for a dust collector according to the present invention has a filtration surface arranged in a substantially vertical state. Moreover, the filter element for dust collectors by this invention is arrange
  • the second retainer is open at both ends. Moreover, the 2nd retainer is framed so that it may include a pair of substantially rectangular planes opposingly arranged so that it may adjoin.
  • the pleated filter medium is disposed so as to cover the outer periphery of the second retainer. Further, the pleated filter medium forms a filtration surface provided with bellows-like ridges in which mountain folding and valley folding are repeated in the circumferential direction.
  • the first cap member is attached to one end of the second retainer. And the 1st cap member has opened the distribution port connected to the inside of the 2nd retainer. The first cap member fixes one end of the pleated filter medium. The second cap member closes the other end of the second retainer. The second cap member fixes the other end of the pleated filter medium.
  • the second retainer has a plurality of ring-shaped second frame members and a plurality of band-shaped second rib members.
  • the second frame member has a bellows-like ridge that can be fitted to the inner wall of the pleated filter medium on the outer wall.
  • These second frame members are arranged at a predetermined interval from one end of the second retainer toward the other end. And these 2nd frame members are surface-joined to the pleat filter material by fitting through an adhesive agent.
  • the second rib member extends from one end portion of the second retainer toward the other end portion so as to be substantially orthogonal to the second frame member. And these 2nd rib members are surface-joined to the pleat filter material by fitting through an adhesive agent.
  • a plurality of second frame members formed on the outer wall of a bellows-like collar that can be fitted to the inner wall of the pleated filter medium are directed from one end of the second retainer toward the other end. Are arranged with a predetermined interval. And since these 2nd frame members are surface-joined to the pleat filter material by fitting via an adhesive agent, while being able to reinforce the rigidity of a filter element, the amount of bending of a pleat filter material can be reduced.
  • the plurality of second rib members extending from one end portion of the second retainer toward the other end portion so as to be substantially orthogonal to the second frame member include an adhesive.
  • the filter element for dust collectors by this invention can extend the lifetime of a planar filter, even if a filtration process and a backwashing process are repeated alternately.
  • the second retainer includes a plurality of second plates that extend in the longitudinal direction inside the second retainer and are reinforced by joining the plurality of second frame members and the plurality of second rib members from the inside. It is preferable to further have a rib.
  • the pleated filter medium is preferably formed of a polyester nonwoven fabric imparted with air permeability.
  • the outer surface of the pleated filter medium is coated with fluorine.
  • the filter element for a dust collector includes a plurality of first frame members formed on the outer wall of bellows-like ridges that can be fitted to the inner wall of the pleated filter medium, and the pleated filter medium by being fitted to the pleated filter medium via an adhesive. Therefore, the rigidity of the filter element can be enhanced and the amount of deflection of the pleated filter medium can be reduced. Thereby, the filter element for dust collectors by this invention can extend the lifetime of a filter element, even if a filtration process and a backwashing process are repeated alternately.
  • the filter element for the dust collector according to the present invention includes a plurality of second frame members formed on the outer wall of the bellows-like ridges that can be fitted to the inner wall of the pleated filter medium, and are fitted to the pleated filter medium via an adhesive. Since the surface is bonded to the pleated filter medium, the rigidity of the filter element can be enhanced and the amount of deflection of the pleated filter medium can be reduced. Thereby, the filter element for dust collectors by this invention can extend the lifetime of a filter element, even if a filtration process and a backwashing process are repeated alternately.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 2 (C) is a right view.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 2 (A) is a front view
  • FIG.2 (B) is a top view
  • FIG.2 (C) is a right view.
  • FIG. 4 (A) is a front view of a 1st retainer
  • FIG.4 (B) is a top view of a 1st retainer
  • FIG. 4C is a right side view of the first retainer.
  • FIG. 6 (A) is a front view
  • FIG.6 (B) is a top view
  • FIG.6 (C) is a right view.
  • FIG. 8 (A) is a front view of a 2nd retainer
  • FIG.8 (B) is a top view of a 2nd retainer
  • FIG. 8C is a right side view of the second retainer.
  • FIG. 1 is a perspective view showing a configuration of a filter element for a dust collector according to a first embodiment of the present invention.
  • 2A and 2B are diagrams illustrating the configuration of the filter element for a dust collector according to the first embodiment, in which FIG. 2A is a front view, FIG. 2B is a plan view, and FIG. 2C is a right side view. .
  • FIG. 3 is a perspective exploded view showing the configuration of the filter element for the dust collector according to the first embodiment.
  • FIG. 4 is a view showing a configuration of a first retainer provided in the filter element for a dust collector according to the first embodiment, FIG. 4 (A) is a front view of the first retainer, and FIG. 4 (B) is a first retainer.
  • FIG. 4C is a right side view of the first retainer.
  • a filter element for a dust collector (hereinafter abbreviated as a filter element) 10 according to a first embodiment of the present invention, a filtration surface for filtering dust contained in gas is arranged in a substantially vertical state.
  • the filter element 10 is disposed inside a dust collector (not shown) so that the extending direction of the ridge formed substantially parallel to the filtration surface substantially coincides with the horizontal direction.
  • the filter element 10 includes a hollow flat plate-like first retainer 1 and a porous pleated filter medium 2.
  • the filter element 10 includes a first cap member 3 and a second cap member 4.
  • the first retainer 1 is open at both ends. Moreover, the 1st retainer 1 is opening many ventilation holes 1h in the outer periphery containing a pair of substantially rectangular plane opposingly arranged so that it may adjoin.
  • the pleated filter medium 2 is arranged so as to cover the outer periphery of the first retainer 1. Further, the pleated filter medium 2 forms a filtration surface provided with a bellows-like ridge 2b in which mountain folding and valley folding are repeated in the circumferential direction.
  • the first cap member 3 is attached to one end of the first retainer 1.
  • the first cap member 3 opens an oval circulation port 3 h communicating with the inside of the first retainer 1.
  • the first cap member 3 has one end of the pleated filter medium 2 fixed with an adhesive B.
  • the second cap member 4 closes the other end of the first retainer 1.
  • the second cap member 4 has the other end of the pleated filter medium 2 fixed with an adhesive B.
  • the first retainer 1 has a plurality of ring-shaped first frame members 1s.
  • the 1st frame member 1s forms the bellows-like collar 1b which can be fitted in the inner wall of the pleat filter medium 2 on the outer wall.
  • These first frame members 1s are arranged at a predetermined interval from one end portion of the first retainer 1 toward the other end portion. And these 1st frame members 1s are surface-joining the pleat filter material 2 using the adhesive agent which is not shown in figure.
  • the first retainer 1 has a pair of strip-shaped first rib members 1r. These first rib members 1r extend from one end portion of the first retainer 1 toward the other end portion so as to be substantially orthogonal to the plurality of first frame members 1s. And these 1st frame members 1s are surface-joining the pleat filter material 2 using the adhesive agent which is not shown in figure.
  • the first rib member 1r shares a part of the flange 1b of the first frame member 1s.
  • the first retainer 1 has two first plate-like ribs 1p. These first plate-like ribs 1p extend in the longitudinal direction inside the first retainer 1. Further, these first plate-like ribs 1p reinforce the first retainer 1 by being joined to the plurality of first frame members 1s and the plurality of first rib members 1r from the inside.
  • the first retainer 1 can be about 150 cm in length. Further, the width of the first retainer 1 can be about 50 cm. Furthermore, the thickness of the first retainer 1 can be about 5 cm.
  • the filter element 10 according to the first embodiment can provide a thin flat plate filter element (see FIG. 1).
  • the filter element 10 is supported at both ends by, for example, a pair of frames (not shown) standing up inside a dust collector (not shown).
  • Another filter element 10 can be arranged in the upper stage of the filter element 10 shown in FIG. 1, and another filter element 10 can be arranged in the lower stage of the filter element 10 shown in FIG. Further, another filter element 10 may be arranged in parallel before and after the filter element 10 shown in FIG.
  • the negative pressure is applied to the inside of one frame (not shown) that supports the first cap member 3, so that the filter element 10 can remove dust supplied to the inside of a dust collector (not shown). It can be filtered.
  • a jet air supply pipe 9 is arranged inside one frame (not shown) that supports the first cap member 3, and jet air Ja is introduced into the filter element 10.
  • jet air Ja is introduced into the filter element 10.
  • dust adhering to the filtration surface of the pleated filter medium 2 can be removed. That is, the filter element 10 can be backwashed.
  • annular packing 3p it is preferable to attach an annular packing 3p to the end face of the first cap member 3 (FIG. 2 ( C)).
  • the interval between the first frame members 1 s is closer to the closing side than the opening side of the first retainer 1.
  • the jet air Ja (see FIG. 1) blown into the first retainer 1 can be discharged from the outer periphery of the pleated filter medium 2 with a substantially uniform wind pressure.
  • the first retainer 1 is preferably molded from a synthetic resin to obtain a hollow plate-shaped main body 11.
  • the main body 11 may form a metal plate.
  • the molded body 11 includes a first plate-like rib 1p.
  • the first frame member 1s and the first rib member 1r are preferably formed of a synthetic resin.
  • the first retainer 1 may join the first frame member 1s and the first rib member 1r to the main body 11, or may integrally mold the first frame member 1s, the first rib member 1r, and the main body 11.
  • the pleated filter medium 2 can be a polyester nonwoven fabric imparted with air permeability.
  • a commercially available polyester nonwoven fabric in which polyester fibers are randomly welded in order to impart air permeability can be used.
  • a sheet-like polyester nonwoven fabric can be thermoformed to provide a bellows-like ridge 2b in which mountain folds and valley folds are repeated.
  • this polyester nonwoven fabric is formed into a rounded rectangle and both ends are thermally welded, whereby the pleated filter medium 2 whose outer periphery is closed as shown in FIG. 3 can be obtained.
  • the surface area of a filtration surface can be increased by providing the filter medium with the bellows-like ridge 2b in which mountain folding and valley folding are repeated.
  • the filter element 10 can be completed.
  • the pleated filter medium 2 is preferably fluorine-coated on the outer surface with a commercially available fluororesin paint diluted with water and alcohol, and the pleated filter medium 2 is imparted with water repellency without impairing air permeability.
  • a plurality of first frame members 1s formed on the outer wall with bellows-like ridges 1b that can be fitted to the inner wall of the pleated filter medium 2 are fitted to the pleated filter medium 2 via an adhesive.
  • the rigidity of the filter element 10 can be enhanced and the amount of bending of the pleated filter medium 2 can be reduced.
  • the filter element 10 by 1st Embodiment can extend the lifetime of the filter element 10 even if a filtration process and a backwashing process are repeated alternately.
  • FIG. 5 is a perspective view showing a configuration of a filter element for a dust collector according to a second embodiment of the present invention.
  • 6A and 6B are diagrams showing the configuration of the filter element for a dust collector according to the second embodiment.
  • FIG. 6A is a front view
  • FIG. 6B is a plan view
  • FIG. 6C is a right side view. .
  • FIG. 7 is a perspective exploded view showing the configuration of the filter element for a dust collector according to the second embodiment.
  • FIG. 8 is a view showing a configuration of a second retainer provided in the filter element for a dust collector according to the second embodiment, FIG. 8A is a front view of the second retainer, and FIG. 8B is a second retainer.
  • FIG. 8C is a right side view of the second retainer.
  • the filter element 20 according to the second embodiment of the present invention has the filtration surface arranged in a substantially vertical state.
  • the filter element 20 is disposed inside a dust collector (not shown) such that the extending direction of the ridge formed substantially parallel to the filtration surface substantially coincides with the horizontal direction.
  • the filter element 20 includes a hollow flat plate-like second retainer 5 and a porous pleated filter medium 2.
  • the filter element 20 includes a first cap member 3 and a second cap member 4.
  • the second retainer 5 is open at both ends. Moreover, the 2nd retainer 5 is framed so that a pair of substantially rectangular planes opposingly arranged so that it may adjoin may be included.
  • the pleated filter medium 2 is arranged so as to cover the outer periphery of the second retainer 5. Further, the pleated filter medium 2 forms a filtration surface provided with a bellows-like ridge 2b in which mountain folding and valley folding are repeated in the circumferential direction.
  • the first cap member 3 is attached to one end of the second retainer 5.
  • the first cap member 3 opens an oval circulation port 3 h communicating with the inside of the second retainer 5.
  • the first cap member 3 has one end of the pleated filter medium 2 fixed with an adhesive B.
  • the second cap member 4 closes the other end of the second retainer 5.
  • the second cap member 4 has the other end of the pleated filter medium 2 fixed with an adhesive B.
  • the second retainer 5 has a plurality of annular second frame members 5s.
  • the second frame member 5 s has a bellows-like flange 5 b that can be fitted to the inner wall of the pleated filter medium 2 on the outer wall.
  • These second frame members 5s are arranged at a predetermined interval from one end portion of the second retainer 5 toward the other end portion. And these 2nd retainers 5 surface-join the pleat filter medium 2 using the adhesive agent which is not shown in figure.
  • the second retainer 5 has a pair of strip-like second rib members 5r. These second rib members 5r extend from one end portion of the second retainer 5 toward the other end portion so as to be substantially orthogonal to the plurality of second frame members 5s. And these 2nd frame members 5s surface-join the pleat filter medium 2 using the adhesive agent which is not shown in figure.
  • the second rib member 5r shares a part of the flange 5b of the second frame member 5s.
  • the second retainer 5 has two second plate-like ribs 5p. These second plate-like ribs 5p extend in the longitudinal direction inside the second retainer 5. These second plate-like ribs 5p are joined to the plurality of second frame members 5s and the plurality of second rib members 5r from the inside to reinforce the second retainer 5.
  • the length of the second retainer 5 can be about 150 cm.
  • the width of the second retainer 5 can be about 50 cm.
  • the thickness of the second retainer 5 can be about 5 cm.
  • the filter element 20 according to the second embodiment can provide a thin flat plate filter element (see FIG. 5).
  • the filter element 20 is supported at both ends by, for example, a pair of frames (not shown) standing inside a dust collector (not shown).
  • Another filter element 20 can be arranged on the upper stage of the filter element 20 shown in FIG. 5, and another filter element 20 can be arranged on the lower stage of the filter element 20 shown in FIG. Further, another filter element 20 can be arranged in parallel before and after the filter element 20 shown in FIG.
  • the negative pressure is applied to the inside of one frame (not shown) that supports the first cap member 3, so that the filter element 20 can remove dust supplied to the inside of a dust collector (not shown). It can be filtered.
  • a jet air supply pipe 9 is arranged inside one frame (not shown) that supports the first cap member 3, and jet air Ja is put inside the filter element 20.
  • jet air Ja is put inside the filter element 20.
  • the interval between the second frame members 5 s is closer to the closing side than the opening side of the second retainer 5.
  • the jet air Ja (see FIG. 5) blown into the second retainer 5 can be discharged from the outer periphery of the pleated filter medium 2 with a substantially uniform wind pressure.
  • the second retainer 5 is obtained by molding a synthetic resin to obtain a framed hollow flat plate-like main body 51.
  • the main body 51 may form a metal plate.
  • the molded main body 51 includes the second plate-like rib 5p.
  • the second frame member 5s and the second rib member 5r are preferably formed of a synthetic resin.
  • the second retainer 5 may join the second frame member 5s and the second rib member 5r to the main body 51, and may integrally mold the second frame member 5s, the second rib member 5r, and the main body 15.
  • the pleated filter medium 2 can be made of a polyester nonwoven fabric imparted with air permeability.
  • a commercially available polyester nonwoven fabric in which polyester fibers are randomly welded in order to impart air permeability can be used.
  • a sheet-like polyester nonwoven fabric can be thermoformed to provide a bellows-like ridge 2b in which mountain folds and valley folds are repeated.
  • this polyester nonwoven fabric is formed into a rounded rectangle, and both ends are thermally welded, whereby the pleated filter medium 2 whose outer periphery is closed as shown in FIG. 7 can be obtained.
  • the surface area of a filtration surface can be increased by providing the filter medium with the bellows-like ridge 2b in which mountain folding and valley folding are repeated.
  • the first cap member 3 and the second cap member 4 are bonded to both ends of the pleated filter medium 2.
  • the pleated filter medium 2 is preferably fluorine-coated on the outer surface with a commercially available fluororesin paint diluted with water and alcohol, and the pleated filter medium 2 is imparted with water repellency without impairing air permeability.
  • a plurality of second frame members 5s formed on the outer wall with bellows-like ridges 1b that can be fitted to the inner wall of the pleated filter medium 2 are fitted to the pleated filter medium 2 via an adhesive.
  • the rigidity of the filter element 20 can be enhanced and the amount of bending of the pleated filter medium 2 can be reduced.
  • the filter element 20 by 2nd Embodiment can extend the lifetime of the filter element 20 even if a filtration process and a backwashing process are repeated alternately.
  • the 2nd retainer 5 by 2nd Embodiment has the advantage that shaping
  • the filter element for a dust collector according to the present invention is suitable, for example, for filtering dust having strong adhesion supplied to a dust collector installed in a painting booth and collecting the dust.
  • ADVANTAGE OF THE INVENTION This invention can provide the filter element for dust collectors excellent in durability.
  • the filter element for a dust collector according to the present invention can filter not only dust with strong adhesion contained in gas but also dust contained in air.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
PCT/JP2012/066877 2012-07-02 2012-07-02 Élément filtrant pour collecteurs de poussière Ceased WO2014006671A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/066877 WO2014006671A1 (fr) 2012-07-02 2012-07-02 Élément filtrant pour collecteurs de poussière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/066877 WO2014006671A1 (fr) 2012-07-02 2012-07-02 Élément filtrant pour collecteurs de poussière

Publications (1)

Publication Number Publication Date
WO2014006671A1 true WO2014006671A1 (fr) 2014-01-09

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Country Link
WO (1) WO2014006671A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106861297A (zh) * 2017-03-03 2017-06-20 常州三思环保科技有限公司 悬挂式除尘设备
KR20180115796A (ko) * 2016-03-02 2018-10-23 도날드슨 컴파니, 인코포레이티드 내부 지지대를 구비한 필터 엘리먼트 및 방법들
CN112915652A (zh) * 2021-01-22 2021-06-08 上海柏冠净化设备股份有限公司 一种空气过滤网及其加工工艺
WO2025253159A1 (fr) * 2024-06-04 2025-12-11 Roberto Cereghini Sac pour filtres à sac et procédé de fabrication associé

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1273251A (en) * 1968-02-01 1972-05-03 Carborundum Co Replaceable medium, extended area filter unit
JPS6119425U (ja) * 1984-07-06 1986-02-04 東京濾器株式会社 フイルタエレメント
JPS62160610U (fr) * 1986-03-31 1987-10-13
JPS6422314A (en) * 1987-07-15 1989-01-25 Toyoda Spinning & Weaving Filter member and its production
JPH0281619U (fr) * 1988-11-30 1990-06-25
JPH03128406U (fr) * 1990-04-10 1991-12-25
JPH05277316A (ja) * 1992-03-31 1993-10-26 Hitachi Zosen Corp 星形横断面形状を有するフィルタバグ
JP2010240524A (ja) * 2009-04-01 2010-10-28 Amc:Kk ろ過用カートリッジフィルターエレメント

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1273251A (en) * 1968-02-01 1972-05-03 Carborundum Co Replaceable medium, extended area filter unit
JPS6119425U (ja) * 1984-07-06 1986-02-04 東京濾器株式会社 フイルタエレメント
JPS62160610U (fr) * 1986-03-31 1987-10-13
JPS6422314A (en) * 1987-07-15 1989-01-25 Toyoda Spinning & Weaving Filter member and its production
JPH0281619U (fr) * 1988-11-30 1990-06-25
JPH03128406U (fr) * 1990-04-10 1991-12-25
JPH05277316A (ja) * 1992-03-31 1993-10-26 Hitachi Zosen Corp 星形横断面形状を有するフィルタバグ
JP2010240524A (ja) * 2009-04-01 2010-10-28 Amc:Kk ろ過用カートリッジフィルターエレメント

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180115796A (ko) * 2016-03-02 2018-10-23 도날드슨 컴파니, 인코포레이티드 내부 지지대를 구비한 필터 엘리먼트 및 방법들
JP2019510632A (ja) * 2016-03-02 2019-04-18 ドナルドソン カンパニー，インコーポレイティド 内部支持体を有するフィルタ要素及び方法
KR102853115B1 (ko) * 2016-03-02 2025-09-02 도날드슨 컴파니, 인코포레이티드 내부 지지대를 구비한 필터 엘리먼트 및 방법들
CN106861297A (zh) * 2017-03-03 2017-06-20 常州三思环保科技有限公司 悬挂式除尘设备
CN112915652A (zh) * 2021-01-22 2021-06-08 上海柏冠净化设备股份有限公司 一种空气过滤网及其加工工艺
WO2025253159A1 (fr) * 2024-06-04 2025-12-11 Roberto Cereghini Sac pour filtres à sac et procédé de fabrication associé

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