EP1398127B1 - Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern - Google Patents
Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern Download PDFInfo
- Publication number
- EP1398127B1 EP1398127B1 EP02020641A EP02020641A EP1398127B1 EP 1398127 B1 EP1398127 B1 EP 1398127B1 EP 02020641 A EP02020641 A EP 02020641A EP 02020641 A EP02020641 A EP 02020641A EP 1398127 B1 EP1398127 B1 EP 1398127B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- small
- wooden material
- dry
- cleaning
- board
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004140 cleaning Methods 0.000 title claims abstract description 10
- 238000004026 adhesive bonding Methods 0.000 title abstract description 21
- 239000000835 fiber Substances 0.000 title description 22
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract 3
- 239000000463 material Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011093 chipboard Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 18
- 239000003292 glue Substances 0.000 description 9
- 239000002657 fibrous material Substances 0.000 description 3
- 239000011094 fiberboard Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002025 wood fiber Substances 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
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
Definitions
- the invention relates to a method for cleaning a Plant for the dry gluing of cellulosic fibers, wherein the plant a dry gluing line and a Separator cyclone for separating the cellulosic fibers having the transport air flow.
- blow-line gluing In previous years, as already mentioned Alternatives to the blow-line gluing developed and it shows up almost independently of the procedure that by a combined gluing consisting of blow-line gluing and Dry gluing binder in the amount of about 30% saved on an exclusive blow-line gluing can be without the final product features be negatively influenced.
- the invention is therefore based on the technical problem Such caking very simple and effective too remove.
- the particle size compared to the particle size of Fibers needs to be enlarged to a sufficient extent To achieve a cleaning effect. Because the increased mass and Size of the particles of small-sized wood material are relevant to the fact that the surfaces at least partially be released from their caking.
- the single figure shows schematically as a block diagram that Process for the preparation of medium density Fiberboard (MDF), where an application in principle for any method of dry gluing regardless of the apparatus design is possible.
- MDF medium density Fiberboard
- Chips from the Production of chipboard sawdust from the sawmill industry, granulated chipboard or MDF boards, precipitated Fine material from the production of oriented strand board (OSB). These materials are in the woodworking industry sufficiently available, therefore well available and drawing characterized by low costs. What is essential is that Material has wood-like properties to abrasion on the Parts of the installation and with regard to Pieces are significantly higher than those of wood fibers.
- the following information on the relative mass fractions can be made by way of example (passage through a sieve with the corresponding mesh size): Small piece of material less than 5mm bigger 20mm Coarse wood chips 3.0% 15.0% Fine wood chips 15.0% 3.0% sawdust 60.0% 0.1% Granulated plates 35.0% 2.0%
- the lumpiness can also be compared on the basis of the bulk density - fibers have a thickness of 20 to 40 kg / m 3 (eg average density of the fiber mat after the mat formation in front of the pre-press), the small-sized wood has a weight between 100 and 200 kg / m 3 .
- the small piece of wood may be dry or have the natural moisture content, which is usually between 50% and 150% based on the dry matter.
- the separated from the cyclone small pieces of wood may vary depending on Degree of contamination with cleaned caking Cleaning process in the sense of a material circulation be fed again.
- An intermediate storage for a multiple use is possible as well as one only one-time.
- the material can, after it for further cleanings is unsuitable, burned, the MDF, the chipboard manufacturing process or a comparable Plate production process can be supplied or otherwise used materially.
- Example 1 A plant similar to that in DE 197 40 676 A1 described plant was over several production days to Dry gluing operated by fibers.
- the facility is designed for a fiber throughput of about 5,000 kg / hour dry material and differs from DE 197 40 676 A1 in that no aggregate for the dissolution of Fiber agglomerates is present and that the fiber flow not from top to bottom, but from bottom to top through the gluing zone.
- the Flow velocity in the region of the gluing zone is between 15 and 30 m / s.
- About the conventional blow-line Glueing was reported as about 5% by mass of glue Solid resin applied to the fibers, over the Dry gluing as much. After three days of operation occurred Disturbances due to caking on the inner walls of the Plant on.
- the facility was turned off and caked with a thickness of several centimeters were large detected immediately after the glue feed zone.
- the Plant was restarted, but instead of the fibers wood chips were fed to the plant.
- the wood chips correspond the usual size and quality, as is the case for manufacturing Medium density fiberboard (MDF) is used.
- MDF Medium density fiberboard
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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Treatment Of Fiber Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
| Kleinstückiges Material | kleiner 5mm | größer 20mm |
| Hackgut grob | 3,0% | 15,0% |
| Hackgut fein | 15,0 % | 3,0% |
| Sägemehl | 60,0% | 0,1% |
| Granulierte Platten | 35,0% | 2,0% |
Claims (4)
- Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern, wobei die Anlage eine Trockenbeleimungsstrecke und einen Abscheiderzyklon zum Abscheiden der zellulosen Fasern aus dem Transportluftstrom aufweist, dadurch gekennzeichnet, daßanstelle der Fasern ein kleinstückiges Holzmaterials dem Transportluftstrom vor der Trockenbeleimungsstrecke zugefügt wird, wobeidie an den Innenwandungen befindlichen Verschmutzungen durch die Partikel des kleinstückigen Holzmaterials mitgerissen werden, und daßdas kleinstückige Holzmaterial vom Abscheiderzyklon aus dem Transportluftstrom abgeschieden wird.
- Verfahren nach Anspruch 1,
bei dem als kleinstückiges Holzmaterial Hackgut, Späne aus der Fertigung von Spanplatten, Sägemehl aus der Sägeindustrie, granulierte Spanplatten oder MDF-Platten oder ausgeschiedenes Feingut aus der Fertigung von CSB-Platten verwendet wird. - Verfahren nach Anspruch 1 oder 2,
bei dem als kleinstückiges Holzmaterial ein Holzmaterial mit einer Schüttdichte von 100 bis 200 kg/m3 verwendet wird. - Verfahren nach einem der Ansprüche 1 bis 3,
bei dem das ausgeschiedene kleinstückige Holzmaterial im Rahmen einer Materialkreislaufführung dem Reinigungsprozess wieder zugeführt wird.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02020641A EP1398127B1 (de) | 2002-09-13 | 2002-09-13 | Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern |
| AT02020641T ATE310619T1 (de) | 2002-09-13 | 2002-09-13 | Verfahren zum reinigen einer anlage zur trockenbeleimung von zellulosen fasern |
| ES02020641T ES2252370T3 (es) | 2002-09-13 | 2002-09-13 | Procedimiento para la limpieza de una instalacion para el encolado en seco de fibras. |
| DE50205037T DE50205037D1 (de) | 2002-09-13 | 2002-09-13 | Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern |
| PL362169A PL197864B1 (pl) | 2002-09-13 | 2003-09-12 | Sposób czyszczenia instalacji do zaklejania na sucho włókien celulozowych |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02020641A EP1398127B1 (de) | 2002-09-13 | 2002-09-13 | Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1398127A1 EP1398127A1 (de) | 2004-03-17 |
| EP1398127B1 true EP1398127B1 (de) | 2005-11-23 |
Family
ID=31725427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02020641A Expired - Lifetime EP1398127B1 (de) | 2002-09-13 | 2002-09-13 | Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1398127B1 (de) |
| AT (1) | ATE310619T1 (de) |
| DE (1) | DE50205037D1 (de) |
| ES (1) | ES2252370T3 (de) |
| PL (1) | PL197864B1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006021212A1 (en) * | 2004-08-27 | 2006-03-02 | Force Technology | Method and device for applying a synthetic binder to an airborne flow of fibres |
| DE102004054162B3 (de) * | 2004-11-10 | 2006-05-04 | Flakeboard Company Limited, St.Stephen | Verfahren und Vorrichtung zur Verhinderung von Verunreinigungen einer Transporteinrichtung aufgrund frischbeleimter Fasern |
| DE102005055813B4 (de) * | 2005-11-21 | 2013-03-21 | Fritz Egger Gmbh & Co. | Vorrichtung und Verfahren zur Herstellung von Holzwerkstoffen sowie Verfahren zur Abreinigung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1200521B (de) * | 1964-07-28 | 1965-09-09 | Baehre Metallwerk K G | Vorrichtung zum Beleimen von Spaenen |
| CH625972A5 (en) * | 1977-11-09 | 1981-10-30 | Fahrni Peter | Continuous mixer for gluing loose wood chips, fibres or other particles for manufacturing compacts |
| DE10059881B4 (de) * | 2000-12-01 | 2005-06-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Anlage zur Faseraufbereitung |
-
2002
- 2002-09-13 ES ES02020641T patent/ES2252370T3/es not_active Expired - Lifetime
- 2002-09-13 DE DE50205037T patent/DE50205037D1/de not_active Expired - Lifetime
- 2002-09-13 EP EP02020641A patent/EP1398127B1/de not_active Expired - Lifetime
- 2002-09-13 AT AT02020641T patent/ATE310619T1/de active
-
2003
- 2003-09-12 PL PL362169A patent/PL197864B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE310619T1 (de) | 2005-12-15 |
| PL362169A1 (en) | 2004-03-22 |
| DE50205037D1 (de) | 2005-12-29 |
| EP1398127A1 (de) | 2004-03-17 |
| PL197864B1 (pl) | 2008-05-30 |
| ES2252370T3 (es) | 2006-05-16 |
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