EP1398127B1 - Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques - Google Patents

Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques Download PDF

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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
Application number
EP02020641A
Other languages
German (de)
English (en)
Other versions
EP1398127A1 (fr
Inventor
Michael Himmelreich
Walter Schiegl
Michael Steinwender
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.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and 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 and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to DE50205037T priority Critical patent/DE50205037D1/de
Priority to EP02020641A priority patent/EP1398127B1/fr
Priority to ES02020641T priority patent/ES2252370T3/es
Priority to AT02020641T priority patent/ATE310619T1/de
Priority to PL362169A priority patent/PL197864B1/pl
Publication of EP1398127A1 publication Critical patent/EP1398127A1/fr
Application granted granted Critical
Publication of EP1398127B1 publication Critical patent/EP1398127B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (4)

  1. Procédé pour le nettoyage d'un dispositif de collage à sec de fibres cellulosiques, dans lequel le dispositif présente un segment de collage à sec et un cyclone séparateur pour la séparation des fibres cellulosiques en dehors du flux d'air de transport, caractérisé en ce que :
    un matériau de bois en petits morceaux est adjoint au flux d'air de transport au lieu des fibres en amont du segment de collage à sec,
    les salissures situées sur les parois intérieures étant entraínées par les particules du matériau de bois en petits morceaux, et en ce que :
    le matériau de bois en petits morceaux est séparé en dehors du flux d'air de transport par le cyclone séparateur.
  2. Procédé selon la revendication 1, dans lequel un produit haché, des copeaux issus de la fabrication de panneaux de particules, de la sciure de bois issue de l'industrie de sciage, des panneaux de particules ou des panneaux de MDF granulés ou un produit fin issu de la fabrication de panneaux de OSB sont utilisés comme matériau de bois en petits morceaux.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, dans lequel un matériau de bois ayant une masse volumique apparente de 100 à 200 kg/m3 est utilisé comme matériau de bois en petits morceaux.
  4. Procédé selon l'une quelconque des revendications 1 à 3, dans lequel le matériau de bois en petits morceaux séparé est à nouveau introduit dans le processus de nettoyage dans le cadre d'un guidage en circuit des matériaux.
EP02020641A 2002-09-13 2002-09-13 Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques Expired - Lifetime EP1398127B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE50205037T DE50205037D1 (de) 2002-09-13 2002-09-13 Verfahren zum Reinigen einer Anlage zur Trockenbeleimung von zellulosen Fasern
EP02020641A EP1398127B1 (fr) 2002-09-13 2002-09-13 Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques
ES02020641T ES2252370T3 (es) 2002-09-13 2002-09-13 Procedimiento para la limpieza de una instalacion para el encolado en seco de fibras.
AT02020641T ATE310619T1 (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 (fr) 2002-09-13 2002-09-13 Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques

Publications (2)

Publication Number Publication Date
EP1398127A1 EP1398127A1 (fr) 2004-03-17
EP1398127B1 true EP1398127B1 (fr) 2005-11-23

Family

ID=31725427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020641A Expired - Lifetime EP1398127B1 (fr) 2002-09-13 2002-09-13 Procédé pour le nettoyage d'un dispositif de collage à sec des fibres cellulosiques

Country Status (5)

Country Link
EP (1) EP1398127B1 (fr)
AT (1) ATE310619T1 (fr)
DE (1) DE50205037D1 (fr)
ES (1) ES2252370T3 (fr)
PL (1) PL197864B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2577923C (fr) * 2004-08-27 2013-07-02 Force Technology Procede et dispositif pour l'application d'un liant synthetique sur un flux de fibres aerien
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE50205037D1 (de) 2005-12-29
ES2252370T3 (es) 2006-05-16
PL362169A1 (en) 2004-03-22
ATE310619T1 (de) 2005-12-15
PL197864B1 (pl) 2008-05-30
EP1398127A1 (fr) 2004-03-17

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