WO2012167991A1 - Dispositif et procédé d'humidification de particules de bois - Google Patents

Dispositif et procédé d'humidification de particules de bois Download PDF

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Publication number
WO2012167991A1
WO2012167991A1 PCT/EP2012/057516 EP2012057516W WO2012167991A1 WO 2012167991 A1 WO2012167991 A1 WO 2012167991A1 EP 2012057516 W EP2012057516 W EP 2012057516W WO 2012167991 A1 WO2012167991 A1 WO 2012167991A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
chute
nozzles
nozzle
wood particles
Prior art date
Application number
PCT/EP2012/057516
Other languages
German (de)
English (en)
Inventor
Paul Stöckl
Original Assignee
Fritz Egger Gmbh & Co. Og
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 Fritz Egger Gmbh & Co. Og filed Critical Fritz Egger Gmbh & Co. Og
Priority to ES12716433.3T priority Critical patent/ES2546522T3/es
Priority to RU2013157352/13A priority patent/RU2557204C1/ru
Priority to PL12716433T priority patent/PL2718069T3/pl
Priority to EP12716433.3A priority patent/EP2718069B1/fr
Publication of WO2012167991A1 publication Critical patent/WO2012167991A1/fr

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
    • B27N1/0263—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 device for wetting wood particles with a medium containing a chute, which has at least one inner wall and in one
  • Course allows a free fall of the wood particles, and at least one nozzle, wherein the at least one nozzle is connected via a supply line to a reservoir for the medium.
  • the invention relates to a method for wetting wood particles with a medium, in particular using a device of the type described above, in which the following steps are carried out: generating a stream of wood particles in a chute and spraying the
  • wood particles are understood to be any form of small-sized material made of the material wood, that is to say, in particular, chips, OSB strands, fibers and / or flour.
  • Wood particles are treated with a binder.
  • Wetting may additionally or alternatively also be carried out with an additive or an emulsion.
  • the medium used for wetting may be powdery or liquid.
  • a relatively narrow particle curtain can be generated, which trickles down in the middle between the inner walls of the chute.
  • This particle flow and in particular particle curtain is then, in free fall, with the said medium, in particular the binder, sprayed, that is sprayed from nozzles.
  • the nozzles required for this purpose are arranged laterally on the inner walls of the chute, wherein the spray direction is substantially transverse to the direction of fall or direction of the wood particle stream and thus extends transversely to the direction of the chute.
  • the wood particle stream or particle curtain is thereby sprayed from two opposite sides.
  • Binders on the generated by the drum rotation Spray the beach curtain. When gluing with powder glue, the powder is blown into the rotating drum.
  • Such drums have a capacity of for example 25 t / h, in addition by an inclination of the drum
  • Transport of the wood particles along the drum axis is effected.
  • the wetted wood particles are in subsequent
  • a device for wetting wood particles with a medium in particular a powdery or liquid medium, preferably a binder, an additive
  • Wood particles or the direction of the wood particle stream) a free fall of the wood particles allowed, and at least one, preferably a plurality, nozzle (s), wherein the at least one nozzle is connected via a supply line to a reservoir for the medium, wherein the device has a projecting into an operating position into the interior of the chute first component wherein at least one nozzle is disposed on the first component and wherein all of the nozzles disposed on the first component are spaced from each inner wall of the chute in the operative position.
  • Inner walls of the chute are in particular free of other nozzles connected to a reservoir for the powdered or liquid medium, so that the powdered or liquid medium is not sprayed onto the stream of wood particles from the inner walls.
  • a first component with one or more nozzles protrudes into the chute, wherein the nozzles are all spaced from the chute when the first component is in the operating position, it is achieved that the nozzles during operation of the device not laterally of
  • Particle stream but are arranged in the particle stream.
  • Inner wall and each nozzle at least 10%, preferably at least 20%, more preferably at least 30%, of the distance
  • Particles of the particle flow are arranged. It has proven to be particularly advantageous if one or more the nozzles .in particular the plurality of nozzles, preferably each nozzle, of the said component has a spray direction which is at an angle of at most 60 °, preferably at most 30 °, particularly preferably at most 15 °, relative to the
  • the spray direction is parallel to the direction of the chute.
  • Chute the risk that wetted wood particles are directed towards the inner walls, even further
  • the at least one nozzle according to the present invention also has a so-called spray angle, for example a Spray angle of at most 45 °, preferably at most 30 °, more preferably at most 15 °.
  • a further component in addition to the first component, a further component, in particular a component of identical construction to the first component, is provided, which is movable into an operating position into the interior of the chute and is arranged on the at least one nozzle, of each inner wall the chute is spaced when the respective further component is in its operating position.
  • Operating position to be moved into a maintenance position, and subsequently or simultaneously, the further component can be moved from a maintenance position to an operating position.
  • the maintenance position is in each case preferably arranged outside of the chute.
  • the operating position is arranged in each case in the interior of the chute,
  • Particle flow are arranged, more preferably in the midst of the particle flow.
  • the component located in its operating position can be quickly replaced by the further component for maintenance purposes, whereby the plate production, for example the production of OSB boards, the inventive
  • the first and / or further component is a
  • Nozzle beam Under a nozzle bar is in the sense of
  • This component is bar-shaped or sword-shaped (wing-shaped)
  • the nozzles are preferably arranged along the longitudinal extent of the component at this, in particular at regular intervals from each other.
  • the first and / or further component in the form of a plate or in a ring, in which case the nozzles can be arranged in a circle.
  • the nozzles are arranged on the underside of the component and in particular the component has a greater width (meaning the dimension transverse to the direction of the chute) than the nozzles, so that the nozzles themselves not come into contact with the wood particle stream, but of the
  • Component are covered with respect to the wood particle stream.
  • the component such as the nozzle beam, then projects in its respective operating position in the chute and in particular has the same distance to both
  • Component is an elongated shape, so its longitudinal extent is greater than its width and height, the component is preferably parallel to two opposite inner walls of the chute.
  • Device is / are, as I said, one or more of the nozzles, in particular the plurality of nozzles, preferably each nozzle, of the first and / or further component at the in the
  • the nozzles are ideally protected from contact with the wood particle stream.
  • Wood particle stream which may be a particulate curtain in particular, is characterized in a simple manner from the inside with the medium, for example, the binder, sprayed.
  • one or more of the nozzles, in particular the plurality of nozzles, preferably each nozzle, of the further component has a spray direction which is at an angle of at most 60 °, preferably at most 30 °, more preferably at most 15 ° , based on the
  • the first and / or further component has a cross-section widening in sections in the direction of the chute. It is also conceivable that the first and / or further component has a cross-section widening in the direction of the chute and then tapering, ie, a cross-section
  • Wing profile forms wherein the cross section is selected in particular from the group comprising an elliptical, an egg-shaped, an eye-shaped and a drop-shaped cross-section. These cross sections have in common that they are gradually avoiding edges
  • the nozzle bar in the wood particle stream
  • the individual wood particles are by such a profile not appreciably in the direction of the inner walls of the
  • the first component movably mounted and in particular at least
  • Sectionally movable from the chute The position outside of the chute corresponds to the mentioned maintenance position.
  • an elongated component that is, in particular a nozzle bar or blade
  • this is preferably longitudinally displaceable.
  • the first component and the further component are arranged longitudinally behind one another and in particular are connected to one another. In this way, a construction can be created in which the further component is movable into the interior of the chute when the first component is moved out of the chute. On the one hand this facilitates the maintenance and on the other hand prevents a relatively long standstill of said Benet tapping device.
  • a nozzle Downstream buffer which can also be realized by a mixing screw or drum, needs one of
  • Device is / are one or more of the nozzles, in particular the plurality of nozzles, preferably each nozzle, the first and / or further component activatable and deactivatable. So it is on the one hand possible that the nozzles of the respective component, which is currently in the
  • one or more of the nozzles, in particular the plurality of nozzles, preferably each nozzle, of the first and / or further component can also be pivotable.
  • the at least one nozzle is connected to the reservoir via a supply line.
  • a pump between the reservoir and the nozzle or nozzles is arranged, which pumps or sucks the medium through the supply line, that is, the medium is pressurized by the pump.
  • Supply line feeds at least one of the nozzles.
  • Each supply line can have its own pump
  • Supply line can be pumped or sucked.
  • the nozzles connected to this supply line can thus also be deactivated automatically.
  • the supply line is released, the nozzles are then activated.
  • the amount of medium with which the wood particles are to be wetted preferably automatically control.
  • additional supply lines can be used. Basically, one or more of the
  • the at least one supply line runs, and preferably all supply lines extend through the interior of the first and / or further component.
  • the supply lines are particularly well protected.
  • the risk of packaging of wood particles is further reduced.
  • At least one guide device in particular at least one baffle and / or an air nozzle (a connected to an air reservoir or an air-blowing nozzle), arranged / in particular configured such that the wood particle stream is thereby deflected and / or reshaped.
  • the air jets are not with the reservoir for the medium with which the wood particles of the
  • Wood particle stream are wetted, connected.
  • Guide device is preferably arranged in or on at least one of the inner walls of the chute .
  • the object is further achieved according to a second teaching of the present invention by a method for
  • Wood particle stream whereby the wood particles are wetted, wherein the medium from a location, meaning a St ⁇ 116 in the chute, is sprayed, which is spaced from each inner wall of the chute.
  • the spraying takes place via the nozzles.
  • the medium is sprayed in a spray direction, which extends at an angle of at most 60 °, preferably at most 30 °, more preferably at most 15 °, based on the direction of the chute.
  • spraying direction and course direction are parallel.
  • the amount, the spray direction and / or the spray angle of the sprayed medium depends on
  • the device described above may have a control device.
  • Fig. 1 is a schematic side view of a
  • FIG. 2 shows a component for use in the device of FIG. 1, FIG. Fig. 3a) to d) different cross-sectional shapes of a
  • Fig. 4 is a further side view of the device of Fig. 1 and
  • Fig. 5 is a schematic representation of
  • Fig. 1 shows a device 1 for wetting of
  • Wood particles 2 with a medium 3 Wood particles 2 are strands for OSB board production.
  • the medium 3 is a liquid
  • the device 1 has a chute 4, which has two opposite inner walls 4.1 and in one
  • Container 11 collected vertically above the
  • Chute 4 is arranged and from which the individual wood particles 2 get into the chute.
  • Two opposed broom rollers 12 form the wood particle stream 2.1 to a curtain-shaped
  • Wood particle stream also called particle curtain, which in the further course of the chute 4 as follows with the medium 3, here the binder is sprayed.
  • the device 1 has a plurality of nozzles 5, wherein the nozzles 5 are connected via supply lines 6, which are provided with a pump 6.1, with a reservoir 7 for the medium 3.
  • the nozzles 5 are arranged on a first component 8.1 in the form of a nozzle bar 9, which projects into the interior of the chute 4 in an operating position which is shown in FIGS. 1 and 4.
  • the bar-shaped or sword-shaped component 8.1 is arranged such that in the operating position all nozzles 5 of this component are spaced from the inner walls 4.1 of the chute 4.
  • the chute 4 is otherwise, that is, with the exception of the component 8.1, free of other components with nozzles and also free of other nozzles, that is, there are no nozzles arranged in the inner walls or on the inner walls 4.1 of the chute.
  • Wood particle stream 2.1 runs in the vertical direction X am
  • Nozzle bar 9 over, with the wood particle stream 2.1 divides by the shape of the nozzle beam 9 and thereby of the nozzles 5, which at the bottom 8a of the nozzle beam.
  • a mixing drum or screw 11 which leads by rotation to a mixing of wood particles 2 and medium 3 and also serves as a buffer.
  • Mixing drum 11 then passes the mixed wood particle stream for further production, which is not shown here is.
  • the further production for example, a
  • FIG. 4 shows a comparison with FIG. 1 rotated by 90 °
  • Down chute 4 are moved, each from an operating position to a maintenance position.
  • the component 8.1 is in its operating position and can be moved to the left in a maintenance position shown in dashed lines.
  • the component 8.2 from the maintenance position shown in Fig. 4 to the left in his
  • a plurality of supply lines 6 are provided which connect all nozzles 5 of both components 8.1 and 8.2 to the reservoir 7.
  • the supply lines 6 run through the interior of the components 8.1 and 8.2. The latter is also shown in FIG. 2, wherein it can also be seen here that each supply line 6 is connected to other nozzles 5.
  • Nozzle bar 9 is formed.
  • a plate-shaped or annular component may also be provided instead of such an elongate component.
  • Fig. 3 shows various cross-sectional shapes of a component, in particular an elongated nozzle bar 9 or an annular member.
  • the nozzles 5 are each arranged on the underside 8a.
  • the respective component, in this case the nozzle bar 9 has a cross-section widening in the direction X of the chute 4 and then tapering and thus forms a sash profile.
  • the cross section of the nozzle bar 9 in Fig. 3a) is eye-shaped.
  • the cross section of the nozzle bar 9 in Fig. 3b) is elliptical.
  • the cross section of the nozzle bar 9 in Fig. 3c) is egg-shaped and the cross section of the nozzle bar 9 in Fig. 3d) is drop-shaped, wherein in the two
  • Course X of all alternatives shown of the component or nozzle bar 9 is wider than that of the nozzles 5, whereby the nozzles 5 can not come into direct contact with the wood particle stream 2.1.
  • the spray direction S of the nozzles 5 runs parallel to
  • the spray angle ß of the nozzles 5 can be at most 45 °, preferably at most 30 °, more preferably at most 15 °, amount.
  • inventive method is initially a
  • Spray angle ß of the sprayed medium 3 depending on

Abstract

L'invention concerne un dispositif (1) destiné à humidifier des particules de bois (2) au moyen d'un milieu (3) contenant un puits de chute (4) comprenant au moins une paroi intérieure (4.1) et permettant une chute libre des particules de bois (2) dans un sens d'écoulement (X), et au moins une buse (5), la ou les buses (5) étant reliées par l'intermédiaire d'une conduite d'alimentation (6) à un réservoir (7) pour le milieu (3). L'invention vise à diminuer le risque d'agglutinations. A cet effet, le dispositif (1) comporte un premier élément (8.1) faisant saillie à l'intérieur du puits de chute (4) en position de service, au moins une buse (5) étant disposée sur le premier élément (8.1) et toutes les buses (5) disposées sur le premier élément (8.1) étant distantes, en position de service, de chaque paroi intérieure (4.1) du puits de chute (4). L'invention concerne en outre un procédé correspondant destiné à humidifier des particules de bois (2).
PCT/EP2012/057516 2011-06-07 2012-04-25 Dispositif et procédé d'humidification de particules de bois WO2012167991A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES12716433.3T ES2546522T3 (es) 2011-06-07 2012-04-25 Dispositivo y procedimiento para humectar partículas de madera
RU2013157352/13A RU2557204C1 (ru) 2011-06-07 2012-04-25 Устройство и способ для покрытия частиц древесины
PL12716433T PL2718069T3 (pl) 2011-06-07 2012-04-25 Urządzenie i sposób do zwilżania cząstek drzewnych
EP12716433.3A EP2718069B1 (fr) 2011-06-07 2012-04-25 Dispositif et procédé d'humidification de particules de bois

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011106211.8 2011-06-07
DE102011106211.8A DE102011106211B4 (de) 2011-06-07 2011-06-07 Vorrichtung und verfahren zur benetzung von holzpartikeln

Publications (1)

Publication Number Publication Date
WO2012167991A1 true WO2012167991A1 (fr) 2012-12-13

Family

ID=45999839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/057516 WO2012167991A1 (fr) 2011-06-07 2012-04-25 Dispositif et procédé d'humidification de particules de bois

Country Status (8)

Country Link
EP (1) EP2718069B1 (fr)
DE (1) DE102011106211B4 (fr)
ES (1) ES2546522T3 (fr)
HU (1) HUE025672T2 (fr)
PL (1) PL2718069T3 (fr)
PT (1) PT2718069E (fr)
RU (1) RU2557204C1 (fr)
WO (1) WO2012167991A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015212798B4 (de) * 2015-07-08 2017-02-02 Brav-O-Tech Gmbh Vorrichtung und Verfahren zum Benetzen von Partikeln

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323314A (en) * 1978-05-20 1982-04-06 Kaiser Wirz Max Process and apparatus for adding liquid components to pourable powdered or granular materials
EP0805008A1 (fr) * 1996-05-02 1997-11-05 C.M.P. Costruzioni Meccaniche Pomponesco S.p.A. Dispositif de collage pour installations de fabrication de plaques composites en bois, et installation l'utilisant
DE20317633U1 (de) 2003-11-14 2004-02-12 Binos Technologies Gmbh & Co. Kg Vorrichtung zur Trockenbeleimung von Teilchen in Form von Fasern und Spänen
EP1468799A2 (fr) * 2003-04-15 2004-10-20 Imal S.R.L. Procédé et appareil pour ajouter de la colle à un écoulement de matériau ligneux en vrac
EP1602463A1 (fr) * 2004-05-25 2005-12-07 Imal S.R.L. Procédé pour le collage des fragments ou des copeaux de bois pour des panneaux de bois semi-finis, et appareil pour coller
WO2007121842A1 (fr) * 2006-04-18 2007-11-01 Flakeboard Company Limited ProcÉdÉ et dispositif d'encollage de fibres séchÉes prÉvues pour la fabrication de plaques de fibres

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU408812A1 (ru) * 1972-03-13 1973-11-30 А. Ф. Авдонькин Белорусский технологический институт С. М. Кирова Устройство для перемешивания сыпучих материалов с жидкостями
FR2228604A1 (en) * 1973-05-11 1974-12-06 Cifal Applying resin coating to fibres or particles - by turbulent impact with a high velocity spray
CH597926A5 (fr) * 1976-11-26 1978-04-14 Fahrni Peter
CH623241A5 (en) * 1977-09-10 1981-05-29 Fahrni Peter Apparatus for forming a rotationally symmetrical curtain of falling particles
SU1021629A1 (ru) * 1981-12-29 1983-06-07 Всесоюзный Научно-Исследовательский Институт Деревообрабатывающей Промышленности Устройство дл осмолени древесного волокна
SU1638011A1 (ru) * 1989-03-23 1991-03-30 Всесоюзный Научно-Исследовательский Институт Деревообрабатывающей Промышленности Смеситель

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323314A (en) * 1978-05-20 1982-04-06 Kaiser Wirz Max Process and apparatus for adding liquid components to pourable powdered or granular materials
EP0805008A1 (fr) * 1996-05-02 1997-11-05 C.M.P. Costruzioni Meccaniche Pomponesco S.p.A. Dispositif de collage pour installations de fabrication de plaques composites en bois, et installation l'utilisant
EP1468799A2 (fr) * 2003-04-15 2004-10-20 Imal S.R.L. Procédé et appareil pour ajouter de la colle à un écoulement de matériau ligneux en vrac
DE20317633U1 (de) 2003-11-14 2004-02-12 Binos Technologies Gmbh & Co. Kg Vorrichtung zur Trockenbeleimung von Teilchen in Form von Fasern und Spänen
EP1602463A1 (fr) * 2004-05-25 2005-12-07 Imal S.R.L. Procédé pour le collage des fragments ou des copeaux de bois pour des panneaux de bois semi-finis, et appareil pour coller
WO2007121842A1 (fr) * 2006-04-18 2007-11-01 Flakeboard Company Limited ProcÉdÉ et dispositif d'encollage de fibres séchÉes prÉvues pour la fabrication de plaques de fibres

Also Published As

Publication number Publication date
EP2718069B1 (fr) 2015-08-05
PT2718069E (pt) 2015-10-09
ES2546522T3 (es) 2015-09-24
HUE025672T2 (en) 2016-05-30
RU2557204C1 (ru) 2015-07-20
DE102011106211B4 (de) 2014-05-22
DE102011106211A1 (de) 2012-12-13
EP2718069A1 (fr) 2014-04-16
PL2718069T3 (pl) 2015-12-31

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