EP2117791A1 - Anlage zum beleimen von fasern für die herstellung von faserplatten, insbesondere mdf-platten oder dergleichen holzwerkstoffplatten - Google Patents
Anlage zum beleimen von fasern für die herstellung von faserplatten, insbesondere mdf-platten oder dergleichen holzwerkstoffplattenInfo
- Publication number
- EP2117791A1 EP2117791A1 EP07819379A EP07819379A EP2117791A1 EP 2117791 A1 EP2117791 A1 EP 2117791A1 EP 07819379 A EP07819379 A EP 07819379A EP 07819379 A EP07819379 A EP 07819379A EP 2117791 A1 EP2117791 A1 EP 2117791A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- fibers
- chute
- line
- outlet tube
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0227—Mixing the material with binding agent using rotating stirrers, e.g. the agent being fed through the shaft of the stirrer
- B27N1/0254—Mixing the material with binding agent using rotating stirrers, e.g. the agent being fed through the shaft of the stirrer with means for spraying the agent on the material before it is introduced in the mixer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0263—Mixing the material with binding agent by spraying the agent on the falling material, e.g. with the material sliding along an inclined surface, using rotating elements or nozzles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
- Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
Definitions
- Plant for gluing fibers for the production of fiberboard, in particular MDF boards or the like wood-based panels Plant for gluing fibers for the production of fiberboard, in particular MDF boards or the like wood-based panels
- the invention relates to a plant for gluing fibers for the production of fiberboard, in particular MDF boards or the like wood-based panels,
- a fiber feed device with at least one fiber feed line which can be acted upon by conveying air for the fiber transport and which opens into a fiber outlet tube via an arcuate fiber deflection line,
- the collecting device preferably has an air-permeable conveyor belt for collecting and possibly discharging the fibers and a suction device arranged below the conveyor belt for sucking air out of the chute through the conveyor belt.
- Fiber exit tube and chute are preferably arranged substantially in a vertical orientation.
- a jacket air supply device is preferably provided with one or more jacket air ducts for generating a jacket air stream surrounding the fiber stream in the chute, wherein the jacket air with the suction apparatus can likewise be sucked off.
- Systems for gluing fibers for the production of fiberboard of the type described above are known from DE 102 47 412 A1, DE 102 47 412 A1, DE 102 47 413 A1 and DE 10 2004 001 527 A1.
- the fibers are fed pneumatically, glued after emerging from the fiber outlet tube, so that they then enter the chute and fall onto the air-permeable conveyor belt or are sucked onto this.
- the fiber supply is usually carried out via a fiber distribution head, which provides for a fiber deflection by a deflection angle of about 90 ° to about 180 °, wherein the fiber supply line may optionally pass under extension of the cross section in the fiber outlet tube.
- a fiber distribution head which provides for a fiber deflection by a deflection angle of about 90 ° to about 180 °, wherein the fiber supply line may optionally pass under extension of the cross section in the fiber outlet tube.
- the invention has for its object to provide a system of the embodiment described above, with which fibers for the production of fiberboard, especially MDF boards, can glue properly in a rational and economical manner.
- a homogeneous gluing of the entire fiber flow should be achieved with low equipment and design effort.
- the invention teaches in a generic system that the Faserumlenk endeavor is formed at least partially or in sections by means of one or more substantially axially extending partitions as a split line with multiple sub-lines.
- the Faserzufish Anlagen region, z. B. be formed in a subsequent to the Faserumlenk endeavor area by means of one or more extending in a substantially axial direction partitions as a split lines with multiple sub-lines.
- the fiber outlet tube, which adjoins the Faserumlenk admir partially, z.
- a subsequent to the Faserumlenk effet area is formed by means of one or more axially extending partitions as a split lines with multiple sub-lines.
- Fiber feed line, Faserumlenk ein and / or fiber outlet tube can thereby have circular, oval, elliptical or rectangular or square cross-section.
- the fiber outlet tube may preferably at least partially have a round cross-section.
- the invention is based on the recognition that in conventional Faserzu operations- or deflection lines, which are designed as simple tubes with a rectangular or circular cross-section, there is a risk of "segregation" of the fibers. Particularly in the area of fiber deflection, it may happen that - especially with large pipe diameters - the fibers concentrate in an area of the pipe cross-section when emerging from the fiber deflection pipe.
- the division according to the invention of the fiber deflection line and / or the fiber supply line and / or the fiber outlet tube effectively counteracts such segregation.
- the fiber flow is divided by the individual sub-lines into several sub-streams, so that segregation can possibly still occur within the individual sub-streams, which have a much smaller cross-section than the entire pipe cross-section.
- the Faserumlenk effet and / or the fiber supply line and / or the fiber supply tube at least partially by means of partitions in two to ten, z. B. are divided into three to eight sub-lines.
- four to six sub-lines are used.
- the individual cross-sections of the sub-lines may have different cross-sections, z. B. also have rectangular cross-section.
- more complex cross-sectional shapes of the individual lines may occur.
- the Faserumlenk founded has here as a part-circular deflection with a predetermined bottom diameter a deflection angle of about 90 ° to about 180 °.
- a particularly compact design is made possible at a deflection angle of 180 °, ie the fibers are supplied via a substantially vertically arranged fiber feed line from bottom to top, then deflected over the Faserumlenk admir by an angle of 180 ° and finally on the also substantially vertically arranged Fiber exit tube introduced into the region of the gluing device, from where they then enter into the also substantially vertically arranged chute.
- the invention proposes that the arc diameter of the fiber deflection line is approximately 3 to 10 times, preferably 5 to 10 times, the diameter of the line.
- the invention therefore proposes that the fibers are transferred from the fiber supply line via the Faserumlenktechnisch in the fiber outlet tube over an elongated arc, which opens into a straight vertical tube, namely the fiber outlet tube.
- Such a comparatively large arc diameter counteracts further separation of the fibers, so that a homogeneous fiber flow within the fiber outlet tube is thereby also produced, which then enters the glue-coating zone.
- the invention proposes in an advantageous embodiment, that the substantially vertically arranged and substantially straight fiber outlet tube to form a calming section has a length which is approximately 2-fold to 20-fold, z. B. is 5 times to 15 times, preferably 10 times to 15 times the tube diameter of the fiber outlet tube.
- z. B. is 5 times to 15 times, preferably 10 times to 15 times the tube diameter of the fiber outlet tube.
- FIG. 2 shows an enlarged detail of the article according to FIG. 1 in the area of the fiber deflection
- Fig. 3 is an enlarged section of the article of FIG. 1 in the
- a plant for gluing fibers 1 for the production of fiberboard, in particular MDF boards is shown.
- the system is set up for continuous operation and has a fiber feed device 2 with a fiber feed line 3 which can be charged with conveying air F for the fiber transport and which opens into a fiber outlet tube 5 via an arcuate fiber deflection line 4.
- a chute 6 is arranged downstream of this fiber outlet tube 5, which is essentially vertical and straight.
- a gluing device 7 with a plurality of spray nozzles 8 for spraying the emerging from the fiber outlet tube 5 and entering the chute 6 fibers 1 is arranged with glue drops in a Beleimungszone.
- the chute 6 is arranged downstream of a collecting device 9 for collecting and discharging the glued fibers.
- This collecting device 9 has an air-permeable conveyor belt; 10 for collecting and removing the fibers and a suction device 11 arranged below the conveyor belt for sucking air out of the chute 6 through the conveyor belt 10.
- This conveyor belt 10 is designed as a sieve belt or filter belt. Consequently, the exiting from the fiber outlet tube 5 and then glued fiasirs on the chute 6 on the conveyor belt 10. On this conveyor belt 10, the glued fibers come to rest. Possibly. in the chute 6 sinking unused glue reaches the arranged on the conveyor belt 10 fibers, so that a complete Leimaus disturb is ensured and contamination of the system can be reliably avoided by unused glue.
- the chute 6 has a downwardly widening cross section. Furthermore, it is indicated in the figure that z. B. below the gluing device 7, and consequently at the upper end of the chute 6 a jacket air supply 12 is provided with one or more sheath air ducts 13 for generating a surrounding the fiber flow in the chute 6 sheath air flow M. Consequently, both the conveying air F and the jacket air M as well as, if necessary, the ambient air U entering or entering the system are extracted via the suction device 11.
- the fiber deflection line 4 (eg over its entire length) is designed as a divided line with a plurality of sub-lines 15 by means of one or more partition walls 14 extending essentially in the axial direction.
- Faserumlenktechnisch 4 means according to FIG. 2, the arcuate line between on the one hand the vertical and straight fiber feed line 3 and on the other hand, the vertical and straight formed fiber outlet tube 5.
- sections of the fiber supply line 3 and / or the fiber outlet tube 5 also have such partitions and consequently also formed as a split line and a plurality of sub-lines, wherein the division preferably corresponds to the division of the Faserumlenk effet. This is not shown in the figures.
- both the fiber supply line 3 and the Faserumlenk ein 4 are formed with a rectangular or square cross-section.
- the fiber outlet tube 5 has an adjoining directly to the Faserumlenk endeavor 4 upper section 5a with also rectangular or square cross-section, then followed by a transition piece 5b, a lower section 5c with a circular cross-section, so that in the lower region of the fiber outlet tube 5, a fiber stream is generated with a round cross-section, which then enters the gluing zone. It is indicated in Fig. 2 that the fiber outlet pipe 5 at its outlet end has a "nozzle-like" diameter reduction 5d.
- the Faserumlenk Koch 4 is divided into only four sub-lines 15, wherein the rectangular or square cross-section is then divided into likewise rectangular or square sub-line cross-sections.
- the Faserumlenk ein is designed as a part-circular deflection with a predetermined arc diameter b and a deflection angle of about 180 °.
- the fibers 1 thus reach from the vertical fiber feed line 3 after a deflection by a deflection angle of 180 ° over an arc with a bow diameter b in the also vertical fiber outlet pipe 5.
- This Faserumlenk Anlagen 4 is formed as a long drawn sheet, d. H .
- the arc diameter b of the Faserumlenktechnisch is approximately 5 times to 10 times the diameter of the pipe d.
- the substantially vertically arranged and substantially straight fiber outlet tube has a Has (full) length L, which is approximately 10 times to 15 times the tube diameter D of the fiber outlet tube 5.
- Pipe diameter D here means the largest diameter of the round cross-sectional area.
- the diameter of these wires or pipes means the edge length of the long edge of such a rectangle.
- the invention is not limited to the gluing of fibers for the production of fiberboard, moreover, the plant according to the invention is also suitable for gluing chips for the production of chipboard or OSB boards, taking into account a corresponding dimensioning of the individual units.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006058626A DE102006058626B3 (de) | 2006-12-13 | 2006-12-13 | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten oder dergleichen Holzwerkstoffplatten |
| PCT/EP2007/009336 WO2008071258A1 (de) | 2006-12-13 | 2007-10-27 | Anlage zum beleimen von fasern für die herstellung von faserplatten, insbesondere mdf-platten oder dergleichen holzwerkstoffplatten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2117791A1 true EP2117791A1 (de) | 2009-11-18 |
| EP2117791B1 EP2117791B1 (de) | 2011-02-23 |
Family
ID=38996752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07819379A Active EP2117791B1 (de) | 2006-12-13 | 2007-10-27 | Anlage zum beleimen von fasern für die herstellung von faserplatten, insbesondere mdf-platten oder dergleichen holzwerkstoffplatten |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7987884B2 (de) |
| EP (1) | EP2117791B1 (de) |
| CN (1) | CN101466511B (de) |
| AT (1) | ATE499192T1 (de) |
| CA (1) | CA2670427C (de) |
| DE (2) | DE102006058626B3 (de) |
| ES (1) | ES2360835T3 (de) |
| WO (1) | WO2008071258A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009042362A1 (de) | 2009-09-23 | 2011-04-21 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Verfahren zur Herstellung von Kartonplatten bzw. Kartonplattensträngen aus Altpapier |
| DE102009042361B4 (de) | 2009-09-23 | 2012-12-20 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Verfahren zur Herstellung von kartonähnlichen Faserplatten aus Holzfasern |
| ITMO20110103A1 (it) * | 2011-05-06 | 2012-11-07 | Imal Srl | Dispositivo e metodo per l'iniezione di un fluido all'interno di un flusso di materiale incoerente. |
| TWI442980B (zh) * | 2011-10-07 | 2014-07-01 | Long Chen Paper Co Ltd | 紙幅施膠方法及其系統 |
| CN105171882A (zh) * | 2015-08-19 | 2015-12-23 | 广西三威林产工业有限公司 | 热磨机纤维喷放与施胶装置 |
| CN112743979B (zh) * | 2020-12-24 | 2022-09-30 | 重庆瑞霆塑胶有限公司 | 印刷薄膜复合机 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4322380A (en) * | 1979-01-19 | 1982-03-30 | Morrison-Knudsen Forest Products Company, Inc. | Method for feeding and orienting fibrous furnish |
| DE10101380B4 (de) * | 2001-01-13 | 2008-12-24 | Dieffenbacher Gmbh + Co. Kg | Sichterbeschickungungsstrecke bei Anlagen zur Herstellung von Holzfaserplatten |
| DE10247414B4 (de) * | 2002-10-11 | 2009-04-02 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten o. dgl. Holzwerkstoffplatten |
| DE10247412C5 (de) * | 2002-10-11 | 2010-07-01 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten und dergleichen Holzwerkstoffplatten |
| DE10247413B4 (de) * | 2002-10-11 | 2009-05-07 | Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg | Anlage zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten oder dergleichen Holzwerkstoffplatten |
| DE10356775A1 (de) | 2003-12-02 | 2005-07-07 | Dieffenbacher Gmbh + Co. Kg | Verfahren und Anlage zur Beleimung von Fasern und eine Faserbeleimungsvorrichtung |
| DE102004001527B4 (de) * | 2004-01-10 | 2006-02-16 | Büttner Gesellschaft für Trocknungs- und Umwelttechnik mbH | Anlage und Verfahren zum Beleimen von Fasern für die Herstellung von Faserplatten, insbesondere MDF-Platten u. dgl. Holzwerkstoffplatten |
-
2006
- 2006-12-13 DE DE102006058626A patent/DE102006058626B3/de not_active Expired - Fee Related
-
2007
- 2007-10-27 WO PCT/EP2007/009336 patent/WO2008071258A1/de not_active Ceased
- 2007-10-27 CA CA2670427A patent/CA2670427C/en active Active
- 2007-10-27 DE DE502007006568T patent/DE502007006568D1/de active Active
- 2007-10-27 AT AT07819379T patent/ATE499192T1/de active
- 2007-10-27 EP EP07819379A patent/EP2117791B1/de active Active
- 2007-10-27 US US12/447,055 patent/US7987884B2/en active Active
- 2007-10-27 ES ES07819379T patent/ES2360835T3/es active Active
- 2007-10-27 CN CN200780021235.7A patent/CN101466511B/zh active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008071258A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2670427A1 (en) | 2008-06-19 |
| ATE499192T1 (de) | 2011-03-15 |
| DE502007006568D1 (de) | 2011-04-07 |
| CN101466511A (zh) | 2009-06-24 |
| US7987884B2 (en) | 2011-08-02 |
| WO2008071258A1 (de) | 2008-06-19 |
| CN101466511B (zh) | 2010-12-08 |
| CA2670427C (en) | 2014-11-25 |
| US20100108270A1 (en) | 2010-05-06 |
| ES2360835T3 (es) | 2011-06-09 |
| EP2117791B1 (de) | 2011-02-23 |
| DE102006058626B3 (de) | 2008-04-10 |
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