EP2718069A1 - Device and method for wetting wood particles - Google Patents
Device and method for wetting wood particlesInfo
- Publication number
- EP2718069A1 EP2718069A1 EP12716433.3A EP12716433A EP2718069A1 EP 2718069 A1 EP2718069 A1 EP 2718069A1 EP 12716433 A EP12716433 A EP 12716433A EP 2718069 A1 EP2718069 A1 EP 2718069A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- chute
- nozzles
- nozzle
- wood particles
- 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 106
- 239000002023 wood Substances 0.000 title claims abstract description 91
- 238000009736 wetting Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 description 12
- 239000011230 binding agent Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 244000007853 Sarothamnus scoparius Species 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- IIDJRNMFWXDHID-UHFFFAOYSA-N Risedronic acid Chemical compound OP(=O)(O)C(P(O)(O)=O)(O)CC1=CC=CN=C1 IIDJRNMFWXDHID-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 241000273930 Brevoortia tyrannus Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010079 rubber tapping Methods 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 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
- the wood particle stream 2.1 is formed by broom rollers 12 to a curtain which is directed to a nozzle beam-shaped member 8.1, on the underside 8a a plurality of nozzles 5 are arranged, which spray a binder as a medium 3 on the wood particles 2 from a location of each
- Spray angle ß of the sprayed medium 3 depending on
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12716433T PL2718069T3 (en) | 2011-06-07 | 2012-04-25 | Device and method for wetting wood particles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011106211.8A DE102011106211B4 (en) | 2011-06-07 | 2011-06-07 | DEVICE AND METHOD FOR FILLING WOOD PARTICLES |
PCT/EP2012/057516 WO2012167991A1 (en) | 2011-06-07 | 2012-04-25 | Device and method for wetting wood particles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2718069A1 true EP2718069A1 (en) | 2014-04-16 |
EP2718069B1 EP2718069B1 (en) | 2015-08-05 |
Family
ID=45999839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12716433.3A Active EP2718069B1 (en) | 2011-06-07 | 2012-04-25 | Device and method for wetting wood particles |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2718069B1 (en) |
DE (1) | DE102011106211B4 (en) |
ES (1) | ES2546522T3 (en) |
HU (1) | HUE025672T2 (en) |
PL (1) | PL2718069T3 (en) |
PT (1) | PT2718069E (en) |
RU (1) | RU2557204C1 (en) |
WO (1) | WO2012167991A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015212798B4 (en) * | 2015-07-08 | 2017-02-02 | Brav-O-Tech Gmbh | Apparatus and method for wetting particles |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU408812A1 (en) * | 1972-03-13 | 1973-11-30 | А. Ф. Авдонькин Белорусский технологический институт С. М. Кирова | DEVICE FOR MIXING LOOSE MATERIALS WITH LIQUIDS |
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 (en) * | 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 |
CH628521A5 (en) * | 1978-05-20 | 1982-03-15 | Kaiser Wirz Max | METHOD AND DEVICE FOR ADMINISTERING LIQUID COMPONENTS IN SCHUETTABLE GOETER. |
SU1021629A1 (en) * | 1981-12-29 | 1983-06-07 | Всесоюзный Научно-Исследовательский Институт Деревообрабатывающей Промышленности | Apparatus for gumming wooden fibres |
SU1638011A1 (en) * | 1989-03-23 | 1991-03-30 | Всесоюзный Научно-Исследовательский Институт Деревообрабатывающей Промышленности | Mixer |
IT1282399B1 (en) * | 1996-05-02 | 1998-03-20 | Cmp Spa | GLUING UNIT FOR WOOD-BASED PANEL PRODUCTION PLANTS, AS WELL AS THE PLANT USING THIS GLUING UNIT |
ITMO20030104A1 (en) * | 2003-04-15 | 2004-10-16 | Imal Srl | METHOD AND PLANT FOR ADDING GLUE TO A FLOW |
DE20317633U1 (en) | 2003-11-14 | 2004-02-12 | Binos Technologies Gmbh & Co. Kg | Dry binding device for making e.g. MDF or HDF board, has binder sprayed against curtain of binder material formed by profiled rolls inside inlet shaft connected to mixer |
ITMO20040127A1 (en) * | 2004-05-25 | 2004-08-25 | Imal Srl | PROCESS OF GLUING FRAGMENTS OR WOOD SHAVINGS FOR OSB AND RELATED BONDING APPARATUS. |
DE102006040044B3 (en) * | 2006-04-18 | 2007-06-06 | Flakeboard Co. Ltd. | Fiber coating method for manufacturing e.g. high density fiber-board, involves transporting fibers from dosing device by transporting device so that fibers come out from outlets in separated partial flows that are merged to fiber flow |
-
2011
- 2011-06-07 DE DE102011106211.8A patent/DE102011106211B4/en not_active Expired - Fee Related
-
2012
- 2012-04-25 WO PCT/EP2012/057516 patent/WO2012167991A1/en active Application Filing
- 2012-04-25 RU RU2013157352/13A patent/RU2557204C1/en active
- 2012-04-25 ES ES12716433.3T patent/ES2546522T3/en active Active
- 2012-04-25 PT PT127164333T patent/PT2718069E/en unknown
- 2012-04-25 HU HUE12716433A patent/HUE025672T2/en unknown
- 2012-04-25 EP EP12716433.3A patent/EP2718069B1/en active Active
- 2012-04-25 PL PL12716433T patent/PL2718069T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2012167991A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011106211A1 (en) | 2012-12-13 |
RU2557204C1 (en) | 2015-07-20 |
DE102011106211B4 (en) | 2014-05-22 |
EP2718069B1 (en) | 2015-08-05 |
ES2546522T3 (en) | 2015-09-24 |
PL2718069T3 (en) | 2015-12-31 |
WO2012167991A1 (en) | 2012-12-13 |
PT2718069E (en) | 2015-10-09 |
HUE025672T2 (en) | 2016-05-30 |
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