EP2747966A1 - Verfahren und vorrichtung zur beleimung von partikeln, die aus zur herstellung von werkstoffplatten geeigneten fasern und/oder spänen bestehen - Google Patents
Verfahren und vorrichtung zur beleimung von partikeln, die aus zur herstellung von werkstoffplatten geeigneten fasern und/oder spänen bestehenInfo
- Publication number
- EP2747966A1 EP2747966A1 EP12737504.6A EP12737504A EP2747966A1 EP 2747966 A1 EP2747966 A1 EP 2747966A1 EP 12737504 A EP12737504 A EP 12737504A EP 2747966 A1 EP2747966 A1 EP 2747966A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chute
- particles
- particle
- roller
- section
- 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
- 239000002245 particle Substances 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000004513 sizing Methods 0.000 title abstract 3
- 239000011230 binding agent Substances 0.000 claims abstract description 24
- 238000004026 adhesive bonding Methods 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000004090 dissolution Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 230000001055 chewing effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- HANVTCGOAROXMV-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine;urea Chemical compound O=C.NC(N)=O.NC1=NC(N)=NC(N)=N1 HANVTCGOAROXMV-UHFFFAOYSA-N 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- B27N1/0263—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
Definitions
- the invention relates to a method for the gluing of particles which consist at least partially of suitable for the production of material plates fibers and / or chips, according to the preamble of claim 1 and to a device for gluing of particles, at least partially for the production of Material plates suitable fibers and / or chips consist, according to the preamble of claim 12th
- medium-density fibers or other free-flowing materials are now automated processes and have been used in many countries for years.
- the compression of processed chips or fibers takes place either clock-bound or continuously.
- the production of a spreading material mat by means of spreading machines plays an outstanding role, since the quality of the produced spreading material mat is an important factor in addition to the quality of the raw materials.
- cost-effective material plates made of natural raw materials and artificially produced binder forces producers more and more efficient Develop methods. Special emphasis is placed on energy costs, raw material and binder savings with consistent quality and technically optimized plant construction with low downtime and low wear.
- binder is understood to mean a so-called adhesive liquor which consists of an adhesive in its main component.
- adhesive liquor which consists of an adhesive in its main component.
- Isocyanates MDI, melamine urea formaldehyde (MUF), urea formaldehyde (UF), MUPF or PF.
- gluing of chips or fibers by means of spray nozzles in production facilities for chip or Fiberboard.
- the nozzles shred the binder and spray it on moving chips or fibers.
- the object of the invention is to provide a method and a device with which the gluing within a chute before a mixing device can be optimized to achieve better gluing results and / or savings in the amount of necessary binder and / or clumping and caking avoid the inner walls of the chute.
- the solution of the task for the method is that the chute is at least in a first and a second chute section, divided and in the first chute section the metered particles with a
- the two chute sections preferably have a different geometry in cross section (plane perpendicular to the direction of fall).
- the solution of the object for a device for the gluing of particles is that at least one first and one second chute section is arranged between the dosing device and the mixing device as a chute, wherein at least one first at least a first particle curtain in the first chute section for dissolving and / or metering the particles Vorauflosevoriques, arranged for further dissolution of the particles to a second particle curtain, a Hauptauflensevoriques and for subsequent gluing of the particles of the second particle curtain with a binder nozzles, wherein for further transfer of the second particle curtain in the mixer, a second chute section is arranged.
- a particle stream discharged from a metering device is not only simply dissolved and glued, but after a first dissolution and optimum distribution, it is fed to a further dissolving device, which in turn, especially at high throughputs, can perform an optimal production of a glueable particle curtain, which is a total the gluing result improved.
- the second chute section should have a sufficient length
- rakes and / or baffles For the pre-resolution by means of a pre-disintegration device, rakes and / or baffles, spoke rollers (consisting of at least two disks which are in a radial distance to the axis of rotation (with or without a continuous shaft) rods, tubes or the like parallel to the axis of rotation
- rollers have arranged) and / or opening rollers, preferably as
- At least one, preferably two counter-rotating, rotationally driven spiked roller can be arranged as the main disengaging device.
- the arrangement of two-substance nozzles as nozzles for gluing would also be advantageous, in particular if the binder is atomised or comminuted with steam, in particular atomized.
- Caking in the chute is further possible that at least in the second chute section on the inner walls of the chute, a separation curtain of glued and / or unprimed particles is formed.
- the glued particles from the following
- the spiked roller is at least partially enclosed by a guide plate and the Particles are guided and separated by the spiked roller and / or by a pneumatic air flow generated by the spiked roller through a guide gap formed from the guide plate and the spiked roller.
- the second chute section is arranged in the direction of the fall from top to bottom in cross section reducing funnel.
- a scraping device for cleaning the inner walls of the chute can be arranged at least in the second chute section of the chute. It would also be conceivable that the
- Inner walls moved and / or rotated and / or at least one of
- Vorauflierevoriques it may be useful to arrange at least two co-rotating spiked rollers 8 parallel to each other, wherein a spiked roller is operated as a stagnation roller to form a particle jam between the two spiked rollers at a lower peripheral speed than the other spiked roller.
- the axis is the
- Jam roller arranged in the direction of fall in front of the axis of the second spiked roller.
- Separation process primarily to accelerate the material to be spread in a predetermined direction to create a high-resolution
- Particle curtain serves, which is now glued by means of preferably vapor-dissolving Beleimdüsen.
- the device / system is particularly suitable for carrying out the method, but can also be operated or used independently.
- the dissolution and / or the distribution of the particles in the chute becomes essentially through a first and a second dissolving device
- second particle curtain is understood to mean the formation of a targeted particle stream for gluing by a second dissolving device, in this case the main dissolving device, and not the division of the particles into two or more particle streams through the first dissolving device, here pre-disintegrating device, for optimal and in particular uniform charging of the second dissolving device with two or more particle streams.
- a spiked roller has a variety of spikes or nails or similar shaped body for optimal and targeted promotion respectively dissolution in the axial and radial extent and is driven accordingly with a motor.
- the nozzles are suitable to dissolve supplied binder and deliver with higher than the ambient pressure in the chute in the direction of a particle curtain.
- Mixing device consists essentially of a rotationally driven shaft and radially arranged mixing tools for mixing the emerging from the chute particle flow.
- Dissolution processes or devices are essentially suitable for dissolving the particles, which tend to coagulate by adhesion or other effects, or to separate them so that a uniform material flow is produced.
- the particles are preferably suitable for the production of material plates suitable fibers and / or chips, in addition to these usually lignocellulose and / or
- Glass fibers, or the like could be used.
- Figure 1 is a schematic view of a device for gluing particles starting with the metering device and ending with a
- Dissolving device for forming a particle curtain Figure 6 in a sixth embodiment, a variant of a first
- Figure 1 is a schematic view of a device for gluing of particles starting with the metering device 1 1 and ending with a
- the particles are in the metering device 1 1, usually from a particle bunker means
- the dissolution or division may also include the formation of a plurality of particle curtains 5 and / or the deposition of at least a portion of the particles for use as non-sized particles in a separation curtain 19 (see Figure 7, particle curtain 5 ').
- the main dissolving device 5 now forms from the highly accurately fed particle curtain 5 a further, second particle curtain 7, which is then sprayed and glued by means of suitable nozzles 14 with a binder 6. In the course of the particle curtain 7 falls through the second
- a funnel reducing in cross-section from top to bottom in the direction of fall 13 can be arranged, which allows a large first chute section 12, but nevertheless allows optimal input into a narrower mixing device 10.
- FIG. 2 shows a further exemplary embodiment of an embodiment of a device.
- a scraper 21 for cleaning the inner walls of the chute 4 is arranged downfall section 15 of the chute 4 .
- a scraper 22 can be arranged on the inner walls movable and / or rotatable.
- at least the part of the chute 4 resting against a scraper blade 22 can be rotated about its axis lying parallel to the direction of fall 13 by means of a drive. This is shown with a rotation arrow directly above the mixing device 10. To illustrate a rotating Schabmessers 22 this was on the right inner wall of the second
- FIG. 3 further shows a particularly preferred embodiment of a dissolving device, in particular the main dissolving device 3.
- Guide plate 9 for at least partially enclosing the spiked roller 8 is arranged.
- two such guide gaps 20 are shown (it may also be only one or more), so that the Vorauflettesvoruze 2, here only shown as a roof plate, dividing the particles into two particle curtains 5, which are separately fed to the two spiked rollers 8 and transported by the rotation direction (shown with arrows) in the guide gap 20 and separated. Then the two can
- Particle curtain 7 are united and are glued by means of the nozzles 14.
- the binder 6 instead of the described and drawn variant (spraying from outside by means of the nozzles 14), the binder 6 could be arranged directly in the area of the merging of the two partial streams emerging from the guide gap 20 or directly between these two partial streams by means of the spiked rollers 8 Nozzle 14 or nozzle bar 28 are performed.
- FIG. 4 shows a further exemplary embodiment in which the particles 1 are discharged from the metering device 11 with at least one metering dissolving device, preferably designed as a spiked roller 8. It ensures the Dosierauflettesvorides 1 1 preferably for a uniform discharge of lying on the conveyor belt of the metering 1 1 particles and prevents lumpy and thus uncontrollable demolition thereof. It can also be provided that the Dosierauflettesvorides 1 1 the
- Pre-release device 2 replaced or supported.
- Particle curtains 5, 7 two in the same direction rotating spiked rollers 8 are arranged parallel to each other, wherein a spiked roller 8 is operable as a jam roller 23 to form a particle jam 26 between the two spiked rollers 8 at a lower peripheral speed than the other spiked roller 8.
- the particle accumulation 26 thus forms a quasi-stockpile for a controlled discharge of particles 1 into the particle curtain 5, 7.
- FIG. 6 shows a further variant of a pre-disintegrating device 2, which is shown here as a combination of a baffle plate 25 with rake 24 in a top-right side view and an arrow-marked top view. It is also possible to arrange only one rake 24 or only one baffle plate 25 for equalizing the particles 1 from the dosing device 11.
- Training the separation curtain 19 may be provided.
- the chute sections 12, 15 can both be rotationally symmetrical, but preferably a rectangular or at least approximately rectangular cross-section of the chute section 12 is finally transferred in the direction of fall 13 into a rotationally symmetrical discharge end of the chute section 15.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Coating Apparatus (AREA)
- Road Repair (AREA)
- Road Paving Machines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011077514A DE102011077514A1 (de) | 2011-06-14 | 2011-06-14 | Verfahren und Vorrichtung zur Beleimung von Partikeln, die aus zur Herstellung von Werkstoffplatten geeigneten Fasern und/oder Spänen bestehen |
PCT/EP2012/061273 WO2012171991A1 (de) | 2011-06-14 | 2012-06-14 | Verfahren und vorrichtung zur beleimung von partikeln, die aus zur herstellung von werkstoffplatten geeigneten fasern und/oder spänen bestehen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2747966A1 true EP2747966A1 (de) | 2014-07-02 |
EP2747966B1 EP2747966B1 (de) | 2017-03-29 |
Family
ID=46545748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12737504.6A Active EP2747966B1 (de) | 2011-06-14 | 2012-06-14 | Verfahren und vorrichtung zur beleimung von partikeln, die aus zur herstellung von werkstoffplatten geeigneten fasern und/oder spänen bestehen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2747966B1 (de) |
CN (1) | CN103619551B (de) |
DE (1) | DE102011077514A1 (de) |
WO (1) | WO2012171991A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017103458B4 (de) | 2017-02-20 | 2019-05-29 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung und Verfahren zum Benetzen eines Materialstroms mit einem Bindemittel und einem System zur Herstellung von Werkstoffplatten |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013104653A1 (de) * | 2013-05-06 | 2014-11-06 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Verfahren und Vorrichtung zur Beleimung von Partikeln, bevorzugt im Zuge der Herstellung von Werkstoffplatten |
DE202014106187U1 (de) | 2014-12-19 | 2016-02-22 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Dämm- und/oder Schallschutzplatte |
DE102014119242A1 (de) | 2014-12-19 | 2016-06-23 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Dämm- und/oder Schallschutzplatte, deren Verwendung und ein Verfahren zur Herstellung von Dämm- und/oder Schallschutzplatten |
DE202015100210U1 (de) | 2015-01-19 | 2016-03-23 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung zur Konditionierung von Leim |
DE102015100667A1 (de) | 2015-01-19 | 2016-08-04 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung und Verfahren zur Konditionierung von Leim |
DE202017100934U1 (de) | 2017-02-20 | 2018-03-21 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung zum Benetzen eines Materialstroms mit einem Bindemittel und einem System zur Herstellung von Werkstoffplatten |
DE102017103460A1 (de) | 2017-02-20 | 2018-08-23 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Steuervorrichtung und -verfahren zum Dosieren eines Bindemittels, eine Einbringvorrichtung und -verfahren zum Einbringen eines Bindemittels in einen Materialstrom sowie ein System zur Herstellung von Werkstoffplatten |
DE202017100935U1 (de) | 2017-02-20 | 2018-03-21 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Steuervorrichtung zum Dosieren eines Bindemittels, eine Einbringvorrichtung zum Einbringen eines Bindemittels in einen Materialstrom sowie ein System zur Herstellung von Werkstoffplatten |
CN107932683A (zh) * | 2017-10-10 | 2018-04-20 | 杨峥嵘 | 一种生物质复合板的生产工艺及其生产设备和产品 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB907697A (en) * | 1959-11-18 | 1962-10-10 | Fred Fahrni | Method and apparatus for coating loose particles with a sprayable bonding substance |
CH597926A5 (de) * | 1976-11-26 | 1978-04-14 | Fahrni Peter | |
EP0055308A1 (de) * | 1980-12-19 | 1982-07-07 | Morrison-Knudsen Forest Products Company, Inc. | Verfahren zur Behandlung von Schüttgut und Vorrichtung zu deren Bildung zur Verwendung bei der Herstellung zusammengesetzter Platten |
SE512143C2 (sv) * | 1997-05-06 | 2000-01-31 | Perstorp Ab | Förfarande för framställning av dekorativt laminat och användning därav |
DE19857498C1 (de) * | 1998-12-14 | 2000-06-15 | Siempelkamp Gmbh & Co | Walzensiebmaschine und deren Verwendung |
ITTO20020764A1 (it) * | 2002-09-03 | 2004-03-04 | Paolo Debolini | Dispositivo per la rimozione di materiale dalle pareti |
DE20317633U1 (de) * | 2003-11-14 | 2004-02-12 | Binos Technologies Gmbh & Co. Kg | Vorrichtung zur Trockenbeleimung von Teilchen in Form von Fasern und Spänen |
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 |
-
2011
- 2011-06-14 DE DE102011077514A patent/DE102011077514A1/de not_active Withdrawn
-
2012
- 2012-06-14 EP EP12737504.6A patent/EP2747966B1/de active Active
- 2012-06-14 CN CN201280028748.1A patent/CN103619551B/zh active Active
- 2012-06-14 WO PCT/EP2012/061273 patent/WO2012171991A1/de active Application Filing
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2012171991A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017103458B4 (de) | 2017-02-20 | 2019-05-29 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Vorrichtung und Verfahren zum Benetzen eines Materialstroms mit einem Bindemittel und einem System zur Herstellung von Werkstoffplatten |
Also Published As
Publication number | Publication date |
---|---|
DE102011077514A1 (de) | 2012-12-20 |
WO2012171991A1 (de) | 2012-12-20 |
CN103619551A (zh) | 2014-03-05 |
EP2747966B1 (de) | 2017-03-29 |
CN103619551B (zh) | 2019-09-03 |
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