EP3028829B1 - Anlage zur herstellung einer holzwerkstoffplatte - Google Patents
Anlage zur herstellung einer holzwerkstoffplatte Download PDFInfo
- Publication number
- EP3028829B1 EP3028829B1 EP16151741.2A EP16151741A EP3028829B1 EP 3028829 B1 EP3028829 B1 EP 3028829B1 EP 16151741 A EP16151741 A EP 16151741A EP 3028829 B1 EP3028829 B1 EP 3028829B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conveyor belt
- cake
- vacuum
- wood
- impregnating
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000000835 fiber Substances 0.000 claims description 18
- 239000002023 wood Substances 0.000 claims description 14
- 229920002522 Wood fibre Polymers 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 description 25
- 239000002025 wood fiber Substances 0.000 description 9
- 238000009408 flooring Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011094 fiberboard Substances 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000203 mixture 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
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- 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
-
- 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone
-
- 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
- B27N9/00—Arrangements for fireproofing
Definitions
- the invention relates to a plant for producing a wood-based panel, in particular a wood fiber board, with which a cake sprinkled with an adhesive wood fibers or wood shavings is scattered on an endlessly circulating conveyor belt and conveyed in a transport direction T to various processing stations, the compressed cake in a pre-press and then pressed under pressure and temperature influence in a hot press to a plate of desired thickness.
- a method for producing a wood-based panel is for example from DE 10 2005 033 687 A1 known.
- first long fibers must be produced in a defibering cut, which can be done in an upstream process or immediately before the plant for producing the wood fiber boards.
- the coarse, long wood fibers are then applied with additives, such as flame retardants and water repellents.
- binder urea-formaldehyde glue
- the fibers are then dried with appropriate additives and the fiber sizing via a power tube dryer.
- the fiber mixture is sprinkled on a spreading device to an endless cake on the endless circulating conveyor belt.
- the loosely sprinkled mixed fiber cake is then fed from the conveyor belt to a cold pre-press and cold pre-compaction of the fiber web is achieved.
- the nonwoven fabric is again on the conveyor belt of a continuous hot press supplied in which it is hot-pressed to a plate of desired thickness.
- the press belts are advantageously coated with a release agent to prevent adhesion of the plates formed.
- the endlessly produced plates are then formatted and separated into individual plates and then assembled.
- MDF Medium Density Fiberboard
- HDF High Density Fiberboard
- properties may be, for example, the conductivity that is involved or desired for a fiberboard either in powder coating the panel itself or when the panel is to be used as a laminate flooring panel support and the flooring must have antistatic properties.
- the conductivity can be achieved by adding salts in the manufacturing process, for example in the refining process.
- Another desired property may be a fire retardant design.
- the DE 103 14 974 A1 discloses a plant for the production of moldings from lignocellulose-containing fibers, which consists of a gluing device, a fiber mat forming device, a curing device, an impregnating device and a finishing device.
- From the DE 2050 530 A1 is a plant known, with a foamable polyurethane composition can be applied to the top of a plate.
- the plate is transported by two conveyor belts arranged one behind the other. Between the two conveyor belts, a vacuum device is provided, with which the feed can be sucked into the plate by means of spray nozzles arranged transversely to the transport path of the plate.
- the vacuum device may have sidewalls to increase the effectiveness of the vacuum.
- a device is known with which he can pre-heat a mat of wood shavings or wood chips.
- sieve bands are provided above and below the mat. Water vapor is introduced into the mat via the sieve belts or removed therefrom. The sieve belts serve to pre-compact the mat. For positive guidance of the water vapor, a vacuum can be applied.
- the impregnation station consists of a vacuum station arranged below the conveyor belt and an application unit arranged above the conveyor belt for an impregnation medium.
- the conveyor belt has vacuum channels, which are preferably produced by a perforation, and laterally next to the conveyor belt extending in the transport direction over the length of the impregnation are provided sheets for laterally limiting the vacuum.
- the application unit is preferably arranged stationary and in particular preferably formed by nozzles.
- the number of nozzles is determined by the nature of the desired impregnation.
- the nozzles may be arranged parallel to one another over the full width of the chip or fiber cake or only partially, for example at the edge.
- the impregnation takes place at a time within the manufacturing process, to which a high porosity of the surface is still present, which means that the impregnating medium can be easily sucked into the cake and evenly distributed there.
- the vacuum is applied underneath the fiber cake and the impregnation medium applied to the fiber cake from above.
- the impregnation medium is liquid, it can be sprayed onto the fiber cake by means of nozzles.
- the device for applying the impregnation medium can be arranged stationary, which simplifies the construction of the production line and reduces its cost.
- the impregnation is applied at least partially.
- areas are created with / without impregnation (tempering), the tempered areas having deviating properties in relation to non-tempered areas.
- the impregnation medium can influence, for example, the water absorption capacity or the strength values of the finished-pressed wood-based panel.
- the wood fibers or wood chips wetted with a glue are sprinkled onto the conveyor belt 2, which is endlessly driven in the transport direction T, to form a cake 6.
- a glue preferably a urea-formaldehyde glue
- the cake 6 is compressed, so cold pre-compressed.
- an impregnation station 4 is integrated, consisting of a below the conveyor belt 2 arranged vacuum station 12 and one above the conveyor belt 2 arranged application unit, such as nozzles 7, 8, consists.
- the vacuum station 12 and the application units 7, 8 are stationary and immovable.
- the conveyor belt 2 is perforated, so that vacuum channels form, by means of which the impregnating medium sprayed onto the upper side of the compressed cake 6 can be sucked by the vacuum station 12.
- Side of the coating units plates 9, 10 are provided, which limit the cake 6 side and ensure that no air from the side can be sucked into the cake 6.
- the metal sheets 9, 10 preferably extend over the entire length of the impregnating station 4.
- the metal sheets 9, 10 are part of a closed frame 11 which encloses the impregnating station 4 to the outside and the vacuum station 12 receives as well as the application unit.
- two nozzles 7, 8 are exemplified for the application unit.
- a desired number of nozzles will be provided in the desired distribution within the impregnation station.
- the conveyor belt 2 runs over an air-permeable frame part 13.
- impregnation medium fire retardant particles as well as insect repellent protective particles can be used. Also, colors can be used as the impregnation medium to colorize the cake 6 targeted.
- a heated impregnating medium By applying a heated impregnating medium, the cake 6 can be heated and thus the production speed can be increased. For heating the cake 6 also heated air can be entered.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES16151741T ES2738596T3 (es) | 2009-04-17 | 2009-04-17 | Instalación para la fabricación de un tablero a base de madera |
PL16151741T PL3028829T3 (pl) | 2009-04-17 | 2009-04-17 | Instalacja do produkcji płyty drewnopochodnej |
EP16151741.2A EP3028829B1 (de) | 2009-04-17 | 2009-04-17 | Anlage zur herstellung einer holzwerkstoffplatte |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09005468.5A EP2241426B1 (de) | 2009-04-17 | 2009-04-17 | Verfahren zur Herstellung einer Holzwerkstoffplatte |
EP16151741.2A EP3028829B1 (de) | 2009-04-17 | 2009-04-17 | Anlage zur herstellung einer holzwerkstoffplatte |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09005468.5A Division EP2241426B1 (de) | 2009-04-17 | 2009-04-17 | Verfahren zur Herstellung einer Holzwerkstoffplatte |
EP09005468.5A Division-Into EP2241426B1 (de) | 2009-04-17 | 2009-04-17 | Verfahren zur Herstellung einer Holzwerkstoffplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3028829A1 EP3028829A1 (de) | 2016-06-08 |
EP3028829B1 true EP3028829B1 (de) | 2019-06-05 |
Family
ID=40627221
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16151741.2A Active EP3028829B1 (de) | 2009-04-17 | 2009-04-17 | Anlage zur herstellung einer holzwerkstoffplatte |
EP09005468.5A Active EP2241426B1 (de) | 2009-04-17 | 2009-04-17 | Verfahren zur Herstellung einer Holzwerkstoffplatte |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09005468.5A Active EP2241426B1 (de) | 2009-04-17 | 2009-04-17 | Verfahren zur Herstellung einer Holzwerkstoffplatte |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP3028829B1 (es) |
ES (2) | ES2585367T3 (es) |
PL (2) | PL3028829T3 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT3461610T (pt) * | 2011-01-06 | 2021-11-25 | Cefla Deutschland Gmbh | Processo e dispositivo para influenciar seletivamente as características tecnológicas de zonas individuais de um painel à base de madeira, de um tecido não tecido pré-comprimido à base de madeira ou de um bolo de fibras de madeira |
DE102012100800B4 (de) | 2012-01-31 | 2021-08-05 | Flooring Technologies Ltd. | Verfahren zum Imprägnieren von Werkstoffplatten, imprägnierte Werkstoffplatte und Anlage zur Herstellung einer imprägnierten Werkstoffplatte |
CN108177209B (zh) * | 2017-12-29 | 2019-03-29 | 南京林业大学 | 一种木质材料压缩密实化的方法 |
EP3787859A1 (en) | 2018-05-02 | 2021-03-10 | Xylo Technologies AG | Method and apparatus for producing a board for production of panels, board for production of panels, method and apparatus for producing panels, and panel producible by the method |
EP3787860A1 (en) | 2018-05-02 | 2021-03-10 | Xylo Technologies AG | Method and apparatus for producing a board for production of panels, board for production of panels, method and apparatus for producing panels, and panel producible by the method |
EP4286149B1 (de) * | 2022-05-31 | 2024-05-01 | SWISS KRONO Tec AG | Verfahren zum herstellen von osb-platten und osb-platten-herstellvorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2050530A1 (en) | 1970-01-29 | 1971-08-05 | Nat Gypsum Co | Impregnating porous board with binding agent |
JPH10323809A (ja) * | 1997-05-27 | 1998-12-08 | Matsushita Electric Works Ltd | 耐水用中密度繊維板の製造方法 |
DE19963203A1 (de) | 1999-12-27 | 2001-09-20 | Kunnemeyer Hornitex | Verfahren zum Herstellen von plattenförmigen Holzwerkstoffen und Platte aus Holzwerkstoff |
US6620459B2 (en) * | 2001-02-13 | 2003-09-16 | Houston Advanced Research Center | Resin-impregnated substrate, method of manufacture and system therefor |
DE10314974B4 (de) * | 2003-04-02 | 2010-08-26 | Glunz Ag | Verfahren zur Herstellung von Formkörpern mit einer zusammenhängende lignocellulosehaltige Fasern aufweisenden formgebenden Struktur und Formkörper |
DE102005016408A1 (de) | 2005-04-08 | 2006-10-12 | Dieffenbacher Gmbh + Co. Kg | Verfahren zur kontinuierlichen Vorwärmung eines Vlieses oder einer Matte und Vorrichtung zur Durchführung des Verfahrens |
DE102005033687A1 (de) | 2005-07-19 | 2007-01-25 | Steico Ag | Holzfaserplatte und Verfahren zur Herstellung einer Holzfaserplatte |
WO2007065085A2 (en) * | 2005-11-29 | 2007-06-07 | Timtek Australia Pty, Ltd. | System and method for the preservative treatment of engineered wood products |
-
2009
- 2009-04-17 PL PL16151741T patent/PL3028829T3/pl unknown
- 2009-04-17 ES ES09005468.5T patent/ES2585367T3/es active Active
- 2009-04-17 PL PL09005468.5T patent/PL2241426T3/pl unknown
- 2009-04-17 EP EP16151741.2A patent/EP3028829B1/de active Active
- 2009-04-17 ES ES16151741T patent/ES2738596T3/es active Active
- 2009-04-17 EP EP09005468.5A patent/EP2241426B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
PL3028829T3 (pl) | 2019-10-31 |
ES2738596T3 (es) | 2020-01-23 |
EP3028829A1 (de) | 2016-06-08 |
PL2241426T3 (pl) | 2016-12-30 |
ES2585367T3 (es) | 2016-10-05 |
EP2241426A1 (de) | 2010-10-20 |
EP2241426B1 (de) | 2016-05-04 |
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