EP2714349B1 - Dispositif et procédé d'encollage de fibres - Google Patents

Dispositif et procédé d'encollage de fibres Download PDF

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Publication number
EP2714349B1
EP2714349B1 EP12724953.0A EP12724953A EP2714349B1 EP 2714349 B1 EP2714349 B1 EP 2714349B1 EP 12724953 A EP12724953 A EP 12724953A EP 2714349 B1 EP2714349 B1 EP 2714349B1
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EP
European Patent Office
Prior art keywords
glue
nozzles
steam
valves
gluing
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.)
Active
Application number
EP12724953.0A
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German (de)
English (en)
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EP2714349A1 (fr
Inventor
Rudolf Christopher Ohlendorf
Günter STAUB
Rolf Trummel
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.)
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Original Assignee
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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.)
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Publication date
Application filed by Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Priority to PL12724953T priority Critical patent/PL2714349T3/pl
Priority to SI201230782A priority patent/SI2714349T1/sl
Publication of EP2714349A1 publication Critical patent/EP2714349A1/fr
Application granted granted Critical
Publication of EP2714349B1 publication Critical patent/EP2714349B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • 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
    • 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
    • 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
    • B27N1/029—Feeding; Proportioning; Controlling

Definitions

  • the invention relates to a device for gluing fibers or the like particles, in particular for the production of wood-based panels, for.
  • B. fiberboard with a blow line (blow-line) through which the fibers to be glued are transported, wherein the blowpipe several opening into the blow pipe nozzles are connected, with which the fibers transported through the blown pipe can be sprayed with glue, wherein the Nozzles as multi-substance nozzles, z.
  • B. two-component nozzles are designed for steam atomization and each nozzle at least one Leimzumoltechnisch and a Dampfzuschreib protest are connected.
  • Wood-based panels means in the context of the invention, in particular fiberboard, such. As MDF plates or HDF plates or LDF plates. In principle, however, chipboard and thus the gluing of chips or the like particles are included. Gluing means the spraying of the fibers with a glue or binder such.
  • a glue or binder such as isocyanates, melamine urea formaldehyde (resins), urea formaldehyde (resins), urea-formaldehyde (resins), melamine resins, phenolic resins or other resins, eg. B. based on polyamines or tannins. In the course of the production of wood-based panels, z. B.
  • fiberboard is a grit mat formed from the glued fibers, which is then pressed in a press using pressure and heat to a wood-based panel or a wood-based panel strand.
  • the press may be a cycle press or a continuous press.
  • the gluing of the fibers is of particular importance in the context of the production of such wood-based panels. Because the properties of the produced wood-based panel, z. B. their transverse tensile strength depend crucially on the amount of glue used. To wood-based panels with sufficient As a rule, a considerable amount of glue is required to produce transverse tensile strength.
  • the gluing takes place in a blow pipe, which is also referred to as a blow-line.
  • the fibers are usually made in a shredder (refiner) from wood chips and the fibers are blown from the refiner into the blow-line.
  • the refiner has a relatively high vapor pressure.
  • This steam also forms a means of transport, with which the fibers are transported through the blowpipe.
  • the fibers are sent to a downstream dryer via the blowing line.
  • blow gluing the fibers are sprayed with glue in the area of the blow line and consequently (immediately) behind the refiner.
  • a device for blow-gluing is z. B. DE 10 2008 059 877 A1 or the DE 10 2009 006 704 A1 known.
  • the EP 2 431 144 A1 describes a method and a device for wet gluing of wood fibers, which were previously frayed in a refiner made of wood shredded into chips, so that they after wet gluing in a Beleimungszone dried in a dryer, then sprinkled in a spreader to a fiber cake and can be pressed in a hot press to a wood-based panel of desired thickness.
  • a plurality of gluing nozzles are arranged in the gluing zone.
  • the gluing of sheet material eg. In the manufacture of multi-ply paper products or the like, using a spray head having a plurality of spray nozzles. In this case, a control of the flow rates taking into account flow measurements.
  • the spray head extends transversely to the working direction and consequently to the transport direction of the web-like material.
  • blow-line gluing has proven itself in principle. However, it is capable of further development. It is a well-proven process, but the amount of glue required is still relatively high. - This is where the invention starts.
  • the invention has for its object to provide a device with which fibers or the like particles can be glued with high quality in an economical manner, so that the glued fibers enable economical production of wood-based panels with high quality.
  • the invention teaches a device for gluing fibers or the like particles, in particular for the production of wood-based panels, with the features of claim 1. It is provided that in each glue supply respectively at least one glue valve and a flow measuring device are integrated and that the glue valves and the flow measuring device are connected to at least one control and / or regulating device, so that with the glue valves the flow rate for each glue feed line and consequently each nozzle can be separately controlled or regulated.
  • the invention is based on the principle known knowledge that with the help of multi-material nozzles, z. As two-component nozzles can produce relatively small glue drops by steam atomization, which are useful for economical gluing.
  • the invention now allows a sensitive adjustment of the spray parameters and thus a sensitive adjustment of the glue drop size, so that the optimal operating point of the nozzle is set by appropriate control or regulation of the flow rates of the individual valves.
  • the invention further proceeds from the recognition that the minimum droplet size does not necessarily lead to the best results, but that in principle there is an "optimal" droplet size, which may depend on a wide variety of properties and parameters.
  • a sensitive adjustment of the gluing parameters to achieve optimum results is now possible. This can be done dynamically on the gluing process and react to the other process parameters.
  • the glue supply to one or more nozzles can be shut off and that with the (remaining) glue valves for the other nozzles specifically a desired flow rate, z. B. a substantially identical or different flow rate is adjustable.
  • the invention is based on the recognition that the refiner and the blow-line usually do not work constantly, but that the material is transported in time in different amounts with different pressure through the blow-line. According to the invention, it is possible to realize the total amount of glue to be used per unit of time by "switching off" one or more nozzles.
  • an optimal control or regulation of the other nozzles succeeds, because with the help of the flow measuring devices and the glue valves can then set optimal conditions for the other nozzles, so that - regardless of the number of active nozzles - is always possible that the other nozzles operate at a certain flow rate. So it may be appropriate that all (active) nozzles are operated at substantially the same flow rate. However, it may also be expedient to set a different glue distribution over the nozzles. For example, the amount of spray may increase or decrease along the transport direction of the fibers. The controllability of the individual nozzles enables a variable adaptation to the conditions and a dynamic optimization of the process.
  • At least six, preferably at least ten, nozzles are preferably connected to the blowing line, which nozzles are distributed along the blowing line and / or over the circumference of the blowing line.
  • the glue supply lines are preferably connected to a common glue distributor, which is supplied with glue, wherein the glue distributor is preferably provided with at least one temperature measuring device, a pressure measuring device and / or a viscosity measuring device.
  • steam valves can be integrated. However, it is not necessary that these individual steam supply lines - like the Leimzumol Kochen - are provided with controllable valves, but in connection with the steam supply, it is usually sufficient to use simple, controllable steam valves, which either release the steam supply line or shut off. Nevertheless, it is also useful on the "steam side" to influence the gluing process by means of suitable control or regulation.
  • the steam supply lines are connected to a common steam distributor, which is acted upon by steam, wherein the steam supply to the steam distributor is controllable or adjustable, for. B. is adjustable to the flow rate or pressure.
  • the steam distributor is preferably connected to a temperature measuring device, a pressure measuring device and / or a flow measuring device. While it is expedient in the glue supply lines, each individual glue supply line to assign its own flow measuring device, it is sufficient in the steam supply in the invention, vorzuordnen the steam manifold a total flow meter. Nevertheless, depending on the number of active nozzles, the amount of steam and / or the pressure can be regulated, so that the glue atomization can be optimized.
  • the control / regulating device of the gluing device is in one integrated superordinate process computer, which controls the plant for the production of wood-based panels, in which the gluing device is integrated.
  • the measuring devices and / or valves, z. As glue valves, steam valves or the like, are therefore particularly preferably connected to the parent process computer, which controls the overall process in terms of a higher-level control technology. Consequently, this higher-level process computer not only records the parameters of the gluing device, but also the other parameters of the press installation, in particular the parameters of the spreading material system for spreading the press material mat and the parameters of the press itself with which the spreading material mats are applied to the wood-based panels using pressure and heat.
  • the solid resin insert can be significantly minimized at a predetermined transverse tensile strength of the plate to be achieved.
  • the invention makes it possible to adapt the parameters of the gluing device sensitively as a function of the other process parameters and in this way to achieve optimum gluing results. The economics of fiber board production is thereby increased significantly.
  • the invention proposes that to the LeimzumolzuZA Maschinentube, z. B. are connected via multi-way valves, water supply, with which the nozzles for the purpose of cleaning or flushing water is supplied.
  • the invention is based on the recognition that it is expedient to vary the number of nozzles to be used, depending on the process parameters.
  • the described water supply is provided.
  • the controller shuts off the gluing via a nozzle by closing the glue valve, water is automatically supplied via the Feed lines, because the water supply lines preferably open behind the control valves in the glue supply lines, wherein the flow of water can be measured with the same flow measuring devices, which are integrated into the Leimzu slaughtertechnischen.
  • the water thus passes through the glue supply line and the nozzle for a given period of time.
  • the control is automatic, preferably also via the higher-level process computer.
  • the invention also relates to a method for gluing fibers or similar particles with a device of the type described.
  • This method is characterized in that the flow rate of the glue to the individual nozzles with the glue valves for each nozzle is controlled or regulated separately.
  • the glue supply to one or more nozzles are interrupted with the glue valves, wherein the flow rate is controlled or regulated to the other nozzles with the glue valves.
  • the glue valves, steam valves, water valves, etc. are preferably controlled by a higher-level process computer.
  • the gluing device or its components are consequently controlled or regulated by a superordinated process computer, which also controls or regulates the blast line and a downstream scattering device and a downstream press line.
  • the invention proposes that the number of active nozzles / Leimzumoltechnische, the flow rate of the glue in the individual lines and / or the flow rate of the steam (total) in response to the operation of the blast line, z. B. depending on the fiber flow rate and / or pressure in the blowpipe, is controlled or regulated.
  • the glue may be expedient to control or regulate the flow rate of the glue as a function of the viscosity of the glue.
  • This is useful, for. B. in the area of the glue dispenser, a viscosity measuring device provided. Since the glue can be composed in the context of the system of different components with different viscosity, it may also be appropriate to adjust the viscosity of the glue in dependence on the other process parameters, so that a dynamic adjustment of the glue properties is possible. It may also be useful to adjust or regulate the glue pressure in dependence on the other parameters. This is z. B. provided in the region of the glue distributor a pressure measuring device. Alternatively or additionally, it is also possible to control or regulate the amount of steam as a function of the viscosity.
  • conventional two-component nozzles or multi-component nozzles can be used, for. B. nozzles, as in the DE 20 2010 005 280 U1 are described.
  • Such a gluing device is consequently integrated in a plant for the production of wood-based panels.
  • the fibers are in a conventional manner in a shredder or refiner 1 of z. B. wood chips produced. From the refiner 1, the fibers are blown with the high vapor pressure existing in the refiner via a fiber feed line 2 into a blow line 3, which is also referred to as a blow line.
  • This blow-line has a relatively small diameter of z. B. 50 mm to 200 mm, preferably 80 mm to 120 mm.
  • the blow-line 3 may be provided on the input side and output side with one or more pressure sensors, which are not shown.
  • To the Blastechnisch 3 a plurality of nozzles 4 are connected, with which the fibers transported through the blown line can be sprayed with glue.
  • nozzles 4 are formed in the embodiment as two-component nozzles for a steam atomization.
  • a Leimzushell Gustav 5 and on the other hand, a steam supply line 6 is connected.
  • ten nozzles 4 are provided (see. Fig. 1a ).
  • Fig. 1b shows Fig. 1b the scheme only for a nozzle.
  • Glue valves 7 and, on the other hand, flow measuring devices 8 are integrated into the glue supply lines 5, in each glue supply line 5 a glue valve 7 and a flow measuring device 8 a common glue distributor 9 connected.
  • the glue valves 7 are individually controllable, taking into account the flow measurements, so that with the help of the glue valves, the flow rate for each Leimzumoltechnisch 5 is separately controlled or regulated.
  • shut-off valves 10 are integrated into each Leimzushelltechnisch z. B. come with replacement of components used.
  • the glue distributor is provided with a temperature measuring device 11 and a pressure gauge 12 and optionally a viscosity measuring device 32. The glue passes from the merely indicated glue preparation 13 via a glue feed 14 on both sides into the glue distributor 9.
  • Steam valves 15 are integrated in the steam supply lines 6, preferably in each steam supply line 6, in each case one steam valve 15. With this steam valve, the individual steam supply lines 15 can be automatically opened or shut off. A single regulation is not provided here. In addition, shut-off valves 16 are also provided for maintenance purposes.
  • the steam supply lines 6 are connected to a common steam distributor 17. This steam distributor 17 is connected to a temperature measuring device 18 and / or a pressure gauge 19. One or more of these measuring devices can form a control circuit 21 together with a steam supply valve 20 upstream of the steam distributor, so that the flow rate or the pressure can be regulated. For this purpose, a flow meter 22 is arranged upstream of the steam distributor. The steam feed 23 is indicated.
  • each a water supply line 24 opens, wherein the water supply lines are connected to a common water distributor 25.
  • controllable or controllable valves 26 and also shut-off valves 27 are integrated.
  • Fig. 2 shows in particular the blow pipe or blow-line with the indicated supply of wood fibers.
  • nozzles connected to the blow pipe recognizable, in the exemplary embodiment ten nozzles, which are placed as it were V-shaped one behind the other on the blow pipe.
  • Glue distributors, steam distributors and water distributors are in Fig. 1 also recognizable.
  • Fig. 3 shows in two different views in particular the glue distribution.
  • Fig. 4 shows in two different views in particular the water distribution.
  • the illustrated gluing device is integrated in a higher-level process computer 31. This means that the control or regulation of the gluing device takes place with a higher-level process computer, which also controls the other components of the fiberboard plant, eg. B controls the blowing line, the spreading device and the pressing device.
  • This calculator 31 is in Fig. 1b merely hinted.
  • the gluing process can be adapted dynamically to the other process parameters.
  • the gluing can be sensitively adapted to the operation of the refiner or the blow-line. It exists for example the Possibility to deactivate individual glue supply lines and thus also glue nozzles for the variation of the amount of gluing, so that the spraying then takes place with a few nozzles.
  • About the described flow measuring devices and control valves 7 of the gluing device can for the remaining, active nozzles z. B. a substantially identical flow rate or another flow rate distribution can be set. Consequently, the gluing process can first of all be influenced by sensitive influencing of the flow rate per nozzle via the control valves 7.
  • the glue pressure can be changed and in particular evaluated. Decisive is usually the differential pressure to the blow-line.
  • a sensitive adjustment can be made via the steam control.
  • the individual steam supply lines 6 are opened or closed via the steam valves 15 as a function of the number of active glue nozzles. An individual control of the steam supply lines 6 is not required. However, it is expedient to regulate the total steam supply via the illustrated control circuit 21.
  • the gluing can be significantly optimized, so that can be produced in such a plant fiberboard with the required transverse tensile strength at significantly reduced use of glue.
  • the system is also easy to maintain, z. B. by the intended possibility of water flushing.
  • the water rinse automatically sets individual nozzles for individual nozzles 4 during breaks in operation. This is also from the Control, z. As the parent control guaranteed. In this way, it is possible to perform the glue variably with a different number of nozzles, without the risk that the temporarily deactivated nozzles become clogged with glue.
  • the compressed air supply for the nozzles or valves is shown in the figures.
  • a compressed air distributor 28 is provided which operates via compressed air lines 29 to the nozzle needles of the nozzles, not shown, in order to open and close them.
  • the individual valve controls can be connected to the compressed air distributor 28.
  • FIG. 1 another supply line 30 indicated for a hardener.
  • the wood fibers are blown through the blowpipe 3 and supported by steam nozzles 4 with supplies such.
  • glue sprayed.
  • the nozzles 4 are subjected to glue or water depending on the process conditions.
  • the supply of glue or water is regulated by valves.
  • the water is used to rinse the nozzles.
  • Water, steam and glue are fed to the nozzles via distributors.
  • the hardener is fed to the last nozzle of the blowpipe directly via the hardener feed line 30.
  • Fig. 3 is again indicated that the glue is supplied via the manifold to the individual nozzles.
  • the hardener is fed via a separate connection to the last nozzle.
  • the connection is attached to the manifold of the glue distribution.
  • the valves regulate the inflow as explained.
  • the flow meter reports the flow to the controller.
  • the indicated check valve prevents backflow.
  • Shut-off valves are used to replace components.
  • Fig. 4 which relates in particular to the water distributor.
  • the water is used for rinsing and is supplied via the manifold to the individual nozzles. During production interruptions, all nozzles are automatically rinsed. During production only disconnected nozzles are rinsed. Again, valves control the inflow. The flow meter reports the flow to the controller. The check valve also prevents the backflow. Shut-off valves are used to replace components.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (16)

  1. Procédé d'encollage de fibres ou de particules similaires, en particulier pour fabriquer des plateaux de matériau dérivé du bois, par exemple, des panneaux de fibres, comprenant
    une ligne de soufflage (3) à travers laquelle les fibres à encoller sont transportées, dans lequel plusieurs buses (4) débouchant dans la ligne de soufflage sont raccordées, avec lesquelles les fibres transportées à travers la ligne de soufflage peuvent être pulvérisées avec de la colle,
    dans lequel les buses (4) sont conçues en tant que doses multi-matières, par exemple buses bi-matières pour une pulvérisation par vapeur et au moins une ligne d'arrivée de colle (5) et une ligne d'arrivée de vapeur (6) respectives sont raccordées sur chaque buse (4), caractérisé en ce que
    dans chaque ligne d'arrivée de colle (5), au moins un robinet de colle (7) et un dispositif de mesure de débit (8) sont respectivement intégrés et que les robinets de colle (7) et les dispositifs de mesure de débit (8) sont reliés à au moins un dispositif de commande et/ou de régulation, de sorte qu'avec les robinets de colle (7), le débit pour chaque buse (4) peut être commandé et régulé séparément.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'arrivée de colle peut être bloquée vers une ou plusieurs buse(s) par les robinets de colle (7) et qu'avec les robinets de colle (7), un débit prédéfini, par exemple un débit essentiellement identique peut être réglé pour les buses (4) restantes.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins six, de préférence au moins dix buses sont raccordées sur la ligne de soufflage (3), lesquelles sont réparties le long de la ligne de soufflage et/ou sur le pourtour de la ligne de soufflage.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les lignes d'arrivée de colle (5) sont raccordées à un distributeur de colle (9) commun qui est alimenté en colle, sachant que le distributeur de colle (9) est doté de préférence d'un thermomètre (11), d'un manomètre (12) et/ou d'un viscosimètre.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que des robinets de prise de vapeur (15) (pouvant être commandés) sont intégrés dans les lignes d'arrivée de vapeur (6).
  6. Dispositif selon la revendication 5, caractérisé en ce que les lignes d'arrivée de vapeur (6) sont raccordées sur un distributeur de vapeur (17) commun qui est alimenté en vapeur, dans lequel l'arrivée de vapeur vers le distributeur de vapeur (17) peut être commandée ou régulée, par exemple peut être régulée au débit ou à la pression, dans lequel le distributeur de vapeur (17) est doté de préférence d'un thermomètre (18) et/ou d'un manomètre (19) et/ou d'un débitmètre (22).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif de commande et/ou de régulation du dispositif d'encollage est intégré dans un ordinateur de procédé (31) de rang supérieur, qui commande une installation de fabrication de plateaux de matériau dérivé du bois dans laquelle le dispositif d'encollage est intégré.
  8. Dispositif selon la revendication 7, caractérisé en ce que les dispositifs de mesure (11, 12, 18, 19, 20) et/ou les robinets, par exemple les robinets de colle, les robinets de vapeur, etc. sont reliés à l'ordinateur de procédé (31) de rang supérieur.
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que des lignes d'arrivée d'eau (24) sont raccordées aux lignes d'arrivée de colle (5), par ex. par des robinets multi-voies, avec lesquelles de l'eau peut être alimentée vers les buses (4) au choix pour le nettoyage.
  10. Procédé d'encollage de fibres ou de particules similaires en particulier pour fabriquer des plateaux de matériau dérivé du bois, par exemple, des panneaux de fibres selon l'une des revendications 1 à 9, caractérisé en ce que le débit de la colle vers les buses individuelles est commandé ou régulé séparément avec les robinets de colle pour chaque buse.
  11. Procédé selon la revendication 10, caractérisé en ce que les robinets d'encollage, les robinets de vapeur, les robinets d'eau etc. sont commandés ou régulés par un ordinateur de procédé de rang supérieur.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que le dispositif d'encollage, respectivement ses composants, est commandé ou régulé par un ordinateur de procédé de rang supérieur qui commande ou régule également la ligne de soufflage et/ou un dispositif de pulvérisation monté en aval et/ou une installation de pressage montée en aval.
  13. Procédé selon l'une des revendications 10 à 12, caractérisé en ce que le nombre des buses/lignes d'arrivée de colle actives et/ou le débit de la colle et/ou le débit de la vapeur est/sont commandée(s) ou régulée(s) en fonction du service de la ligne de soufflage, par ex. en fonction du débit de fibres et/ou de la pression dans la ligne de soufflage.
  14. Procédé selon l'une des revendications 10 à 13, caractérisé en ce que le débit de la colle et/ou la quantité de vapeur est commandé(e) ou régulé(e) en fonction de la viscosité de la colle.
  15. Procédé selon l'une des revendications 10 à 14, caractérisé en ce que la viscosité de la colle est adaptée en fonction des paramètres de procédé restants.
  16. Procédé selon l'une des revendications 10 à 15, caractérisé en ce que la pression de la colle est réglée en fonction des paramètres de procédé restants.
EP12724953.0A 2011-05-27 2012-05-25 Dispositif et procédé d'encollage de fibres Active EP2714349B1 (fr)

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DE102011103326.6A DE102011103326B4 (de) 2011-05-27 2011-05-27 Vorrichtung und Verfahren zum Beleimen von Fasern
PCT/EP2012/059833 WO2012163828A1 (fr) 2011-05-27 2012-05-25 Dispositif et procédé d'encollage de fibres

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DE102013104652A1 (de) * 2013-05-06 2014-11-06 Dieffenbacher GmbH Maschinen- und Anlagenbau Verfahren und Vorrichtung zur Beleimung von Spänen, Fasern oder faserähnlichem Material im Zuge der Herstellung von Werkstoffplatten
CN104162921A (zh) * 2013-05-17 2014-11-26 北京泛欧瑞得科技有限公司 一种用于纤维板的喷浆管高压定量节胶工艺
DE202013105332U1 (de) 2013-11-22 2015-02-26 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung zum Beleimen von Fasern oder faserähnlichem Material
DE102013112949A1 (de) 2013-11-22 2015-05-28 Dieffenbacher GmbH Maschinen- und Anlagenbau Vorrichtung und Verfahren zum Beleimen von Fasern oder faserähnlichem Material
CN104148214A (zh) * 2014-08-25 2014-11-19 云南玉加宝人造板有限公司 一种能够提高施胶均匀性的蒸汽施胶系统及方法
DE102017207851B4 (de) 2017-05-10 2023-02-16 Audi Ag Vorrichtung und Verfahren zum Auftragen von flüssigem Klebstoff
PL3431239T3 (pl) 2017-07-20 2024-07-22 Omya International Ag Sposób wytwarzania płyty z tworzywa drzewnego, w szczególności płyty mdf lub hdf
FR3071257B1 (fr) 2017-09-19 2021-08-20 Safran Ceram Procede d'injection d'une suspension chargee dans une texture fibreuse et procede de fabrication d'une piece en materiau composite
DE102019001101A1 (de) * 2019-02-14 2020-08-20 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren zum Beleimen von Holzspänen
DE102019110188A1 (de) 2019-04-17 2020-10-22 Siempelkamp Maschinen- Und Anlagenbau Gmbh Mehrstoffdüse, insbesondere Zweistoffdüse
TR201906761A2 (tr) * 2019-05-07 2019-06-21 Aytekin Alpay Bi̇r tutkallama si̇stemi̇
CN111098384A (zh) * 2019-12-28 2020-05-05 云南新泽兴人造板有限公司 刨花板板坯连续平压喷蒸及热压工艺
US20230019663A1 (en) * 2020-01-23 2023-01-19 Hans W. Fechner Method of glue-coating plant particles
DE102020132012A1 (de) 2020-12-02 2022-06-02 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren zum Versprühen eines flüssigen Bindemittels und Beleimungsvorrichtung

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BR112013030337B1 (pt) 2021-03-09
ZA201308889B (en) 2015-02-25
AR086561A1 (es) 2014-01-08
MX2013013559A (es) 2014-05-01
BR112013030337A2 (pt) 2016-11-29
UA108316C2 (uk) 2015-04-10
CO6831980A2 (es) 2014-01-10
PT2714349T (pt) 2016-12-12
KR20140032418A (ko) 2014-03-14
CN102990760A (zh) 2013-03-27
DE102011103326B4 (de) 2014-08-07
US9254581B2 (en) 2016-02-09
CN102990760B (zh) 2016-03-16
SI2714349T1 (sl) 2017-03-31
CA2837397A1 (fr) 2012-12-06
DE102011103326A1 (de) 2012-11-29
AU2012264913B2 (en) 2017-02-16
CL2013003375A1 (es) 2014-05-23
RU2559440C2 (ru) 2015-08-10
CN202826002U (zh) 2013-03-27
DE202012012827U1 (de) 2014-02-26
KR101547050B1 (ko) 2015-08-24
MX351825B (es) 2017-10-10
WO2012163828A1 (fr) 2012-12-06
US20140106069A1 (en) 2014-04-17
CA2837397C (fr) 2017-04-11
AU2012264913A1 (en) 2013-12-12
HUE031134T2 (en) 2017-07-28
PL2714349T3 (pl) 2017-05-31
ES2605810T3 (es) 2017-03-16
LT2714349T (lt) 2017-01-25
RU2013157335A (ru) 2015-07-10
EP2714349A1 (fr) 2014-04-09

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