EP0744477B1 - Procédé pour la défibrage respectivement, le décorticage de végétaux faites de fibres libériennes - Google Patents

Procédé pour la défibrage respectivement, le décorticage de végétaux faites de fibres libériennes Download PDF

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Publication number
EP0744477B1
EP0744477B1 EP96107664A EP96107664A EP0744477B1 EP 0744477 B1 EP0744477 B1 EP 0744477B1 EP 96107664 A EP96107664 A EP 96107664A EP 96107664 A EP96107664 A EP 96107664A EP 0744477 B1 EP0744477 B1 EP 0744477B1
Authority
EP
European Patent Office
Prior art keywords
fibres
starting material
fibers
removal
bast fiber
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
EP96107664A
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German (de)
English (en)
Other versions
EP0744477A3 (fr
EP0744477A2 (fr
Inventor
Rolf Prof. Dr. Hesch
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0744477A2 publication Critical patent/EP0744477A2/fr
Publication of EP0744477A3 publication Critical patent/EP0744477A3/fr
Application granted granted Critical
Publication of EP0744477B1 publication Critical patent/EP0744477B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
    • D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
    • D01B1/10—Separating vegetable fibres from stalks or leaves
    • D01B1/14—Breaking or scutching, e.g. of flax; Decorticating

Definitions

  • the invention relates to a method for defibering or de-wooding Bast fiber crops, such as flax hemp, kenaf and jute.
  • Renewable raw materials are growing in popularity as they are not only conserve existing resources, but also contribute to Deliver a reduction in CO2 known as greenhouse gases.
  • Some processes for textile fiber production aimed at as long as possible Win fibers. With flax, these can be approx. 500 x 1000 mm Hemp also have a length of 1000 - 2000 mm.
  • Bast fiber plants before the extraction of the fibers often also Called deforestation, roasted. Through such a roasting process, the pectin layer, which fibers and wood connect, break down or at least weakened. The degradation takes place either enzymatically by roasting bacteria or chemical.
  • the following systems are known in particular: river roasts, Pond roasting, basin roasting and dew roasting, the latter being the most imperfect is.
  • Main area of application for this material, which is preferably produced as long fiber is the manufacture of textiles. At Jute stands the production of bags and fabrics for the non-clothing area in the foreground.
  • de-felling / de-cleavage is carried out without prior Roasting process carried out.
  • this will result in a more uneven fiber achieved, which is also rough and less supple.
  • EP-A-0 398 421 describes a process for defibering or de-wooding Bast fiber plants are known, in which breakage and swinging are effective is worked.
  • the object of the invention is a method for fiber removal or de-wooding of bast fiber plants to provide which material for technical Purposes, not necessarily for textile processing, the process itself being more economical, effective and largely automatable to work as the known method of generating Long fibers.
  • the first process step of pre-comminution has proven to be particularly advantageous of the bast fiber straw to the desired fiber or stack length.
  • the straw is sheared off to a uniform length and on the other hand, transformed into a bulk material to improve the further process be able to automate to minimize costs.
  • this pre-crushing is the prerequisite for the further process no wrapping in fast-moving or rotating machines around rotating or stationary machine parts can occur.
  • Any Straw and straw material not shortened in such high-speed rotating machines the bast fiber strands would be around tools, Wind shafts or axles and increase friction to a standstill or the destruction of the machine or possibly through heating lead to fire.
  • machines are provided for the pre-shredding, which ensure a uniform or fairly uniform length of the stem sections can, especially choppers such as rotor, disc or sickle choppers or with harvested crop pressed into bales or round bale granulators, which are also called granulators in the plastics industry. Further Cross cutters, as are common in veneer paper processing.
  • the defibering in the second process step advantageously takes place in one high-speed rotating mill, in which the fiber removal / de-cleaving through Shear, friction, impact and impact occur.
  • This is fast rotating machines like those in the wood and plastics industry are known.
  • chip breakers Use, in the plastics industry, they are used to manufacture Granules and powders used.
  • pharmaceutical industry and in food technology they are predominantly in a modified form used for the production of powders.
  • mills are also ideally suited to the fibers of the pre-shredded Detach material from the wooden components.
  • This will solve the problem high strength, tough, flexible fiber of brittle, inflexible, woody core and
  • the woody parts are depending on the speed of the machine and tooling broken into shells of different sizes. So is also with unroasted material achieves a fineness and suppleness of the fibers, which of those of roasted material when using conventional Defiberization technologies come roughly the same.
  • the fiber material obtained is, however, under the so-called green towers from unroasted straw Use of conventional technologies in delicacy and smoothness far superior.
  • the separated wooden parts have a particle size on it as a raw material for the production of panels and thermal insulation materials, Qualify very well, especially for bulk insulation.
  • the subsequent separation of fibers and shives can be advantageous with the help of sieves and / or classifiers, the fibers also taking place simultaneously classified according to length and fractionated as well as oversize, dust and foreign bodies can be removed. Furthermore, between the first and a silo and dosing device connected upstream of the second process step his. If a roasting process is to be provided, this can be done second process step are immediately upstream.
  • the short fibers can be created with their new geometry, with a preferred length between 2 and 50 mm, longer fibers up to about 100 mm but are also conceivable to venture into new technical fields of application, in which synthetic fibers predominate to this day, so that overall a big comeback of the bast fiber family is to be expected.
  • This Fibers which used to be a major component mainly in the textile and clothing sector Role have now found much larger areas of application such as for example as reinforcing fibers that are incorporated into plastics, as short fibers, which are processed into nonwovens and felts, as short fibers, processed into deep-drawable mats for the production of molded parts are or as short fibers used for the production of thermal insulation materials be used for construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Fertilizers (AREA)
  • Cultivation Of Plants (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Disintegrating Or Milling (AREA)

Claims (6)

  1. Procédé pour le défibrage, respectivement le décorticage de végétaux faits de fibres libériennes, de préférence de matières premières à repousse, le matériau de départ étant broyé avant le défibrage, respectivement le décorticage,
    caractérisé en ce que
    le matériau de départ est pré-déchiqueté en morceaux, d'une consistance en vrac et/ou fluide, et ces morceaux sont ensuite défibrés dans un moulin tournant à haute vitesse de rotation.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le défibrage s'effectue par action d'un impact et/ou d'un frottement et/ou d'un cisaillement.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    les fibres et les bûchettes sont séparé(e)s par utilisation de tamis et/ou de séparateurs.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le matériau de départ est pré-broyé à peu près en des morceaux de même longueur.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le matériau de départ pré-broyé est roui.
  6. Procédé selon l'une des revendications 1 à 5,
    pour l'obtention de fibres d'une longueur comprise entre 1 et 100 mm, de préférence entre 2 et 50 mm.
EP96107664A 1995-05-21 1996-05-14 Procédé pour la défibrage respectivement, le décorticage de végétaux faites de fibres libériennes Expired - Lifetime EP0744477B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19518188 1995-05-21
DE19518188A DE19518188C2 (de) 1995-05-21 1995-05-21 Verfahren zur Entfaserung bzw. Entholzung von Bastfasergewächsen

Publications (3)

Publication Number Publication Date
EP0744477A2 EP0744477A2 (fr) 1996-11-27
EP0744477A3 EP0744477A3 (fr) 1997-08-06
EP0744477B1 true EP0744477B1 (fr) 2000-01-26

Family

ID=7762203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96107664A Expired - Lifetime EP0744477B1 (fr) 1995-05-21 1996-05-14 Procédé pour la défibrage respectivement, le décorticage de végétaux faites de fibres libériennes

Country Status (6)

Country Link
EP (1) EP0744477B1 (fr)
AT (1) ATE189275T1 (fr)
DE (2) DE19518188C2 (fr)
ES (1) ES2143104T3 (fr)
GR (1) GR3033031T3 (fr)
PT (1) PT744477E (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7811489B2 (en) 2007-11-19 2010-10-12 Valinge Innovation Ab Recycling of laminate floorings
US8349234B2 (en) 2010-01-15 2013-01-08 Ceraloc Innovation Belgium Bvba Fibre based panels with a decorative wear resistance surface
US8419877B2 (en) 2008-04-07 2013-04-16 Ceraloc Innovation Belgium Bvba Wood fibre based panels with a thin surface layer
US8431054B2 (en) 2007-11-19 2013-04-30 Ceraloc Innovation Belgium Bvba Fibre based panels with a wear resistance surface
US8480841B2 (en) 2010-04-13 2013-07-09 Ceralog Innovation Belgium BVBA Powder overlay
US8481111B2 (en) 2010-01-15 2013-07-09 Ceraloc Innovation Belgium Bvba Bright coloured surface layer
US8728564B2 (en) 2011-04-12 2014-05-20 Valinge Innovation Ab Powder mix and a method for producing a building panel
US8784587B2 (en) 2010-01-15 2014-07-22 Valinge Innovation Ab Fibre based panels with a decorative wear resistance surface
US8920876B2 (en) 2012-03-19 2014-12-30 Valinge Innovation Ab Method for producing a building panel
US8993049B2 (en) 2012-08-09 2015-03-31 Valinge Flooring Technology Ab Single layer scattering of powder surfaces
US9085905B2 (en) 2011-04-12 2015-07-21 Valinge Innovation Ab Powder based balancing layer
US9181698B2 (en) 2013-01-11 2015-11-10 Valinge Innovation Ab Method of producing a building panel and a building panel
US9352499B2 (en) 2011-04-12 2016-05-31 Valinge Innovation Ab Method of manufacturing a layer
US9410319B2 (en) 2010-01-15 2016-08-09 Valinge Innovation Ab Heat and pressure generated design
US9556622B2 (en) 2007-11-19 2017-01-31 Valinge Innovation Ab Fibre based panels with a wear resistance surface
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels
US11566431B2 (en) 2011-08-26 2023-01-31 Ceraloc Innovation Ab Panel coating
US11850829B2 (en) 2018-01-11 2023-12-26 Välinge Innovation AB Method to produce a veneered element and a veneered element

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643605C2 (de) * 1996-10-14 1999-01-21 Schiller Heiko Wärmedämmender Baustoff und dessen Verwendung
DE19715310A1 (de) * 1997-04-02 1998-10-08 Kschiwan Marlis Dämmende Baustoffmasse
SE509781C2 (sv) * 1997-07-30 1999-03-08 Johan Human Förfarande vid preparering av växtfiber som utgör armering i cement och/eller gipskomposition
DE19735846A1 (de) * 1997-08-19 1999-02-25 Christof Ziegert Verwendung von nachwachsenden Rohstoffen in Baustoffen aus Lehm
DE19736526A1 (de) * 1997-08-22 1999-02-25 Roland Meingast Baustoffmischung aus ungebranntem Lehm und/oder Ton
DE19756046B4 (de) * 1997-12-17 2008-01-03 Institut für Agrartechnik Bornim e.V. Verfahren zur Ernte, Konservierung, Aufbereitung und Verarbeitung von Hanf
DE19831433A1 (de) * 1998-07-06 2000-01-13 Lothar Rauer Verfahren und Anordnung zur Gewinnung von Naturfasern, insbesondere Bambusfasern, die den Zweck der Verstärkung erfüllen
DE19925134A1 (de) * 1999-06-02 2000-12-07 Ake Innotech Automatisierung K Verfahren und Vorrichtung zum Herstellen von Wirrfasermaterial aus Pflanzenteilen
DE10115831A1 (de) * 2001-03-31 2002-10-17 Lothar Rauer Verfahren zur Gewinnung von Naturfasern, insbesondere Bambusfasern, die den Zweck der Verstärkungsfasern erfüllen
DE502004005145D1 (de) * 2004-08-26 2007-11-15 Farm Container Ges Mit Beschra Vorrichtung und Verfahren zum Entfasern von Bastfasergewächsen
DE102007019849B3 (de) * 2007-04-25 2008-09-04 Carmen Hock-Heyl Verfahren zur Herstellung einer eigenstabilen Werkstoffplatte
US7669292B2 (en) 2007-05-23 2010-03-02 Wade Chute Decortication process
US11235565B2 (en) 2008-04-07 2022-02-01 Valinge Innovation Ab Wood fibre based panels with a thin surface layer
US10899166B2 (en) 2010-04-13 2021-01-26 Valinge Innovation Ab Digitally injected designs in powder surfaces
US10315219B2 (en) 2010-05-31 2019-06-11 Valinge Innovation Ab Method of manufacturing a panel
ES2805332T3 (es) 2011-04-12 2021-02-11 Vaelinge Innovation Ab Método de fabricación de un panel de construcción
US9738095B2 (en) 2013-01-11 2017-08-22 Ceraloc Innovation Ab Digital printing with transparent blank ink
UA118967C2 (uk) 2013-07-02 2019-04-10 Велінге Інновейшн Аб Спосіб виготовлення будівельної панелі і будівельна панель
DE102013013657A1 (de) 2013-08-16 2014-01-30 Bast & Faser GmbH Prenzlau Vorrichtung und Verfahren zur Isolierung von Bastrinde und Holzkörper aus einem Bastpflanzenstängel
EP3057806B1 (fr) 2013-10-18 2019-12-11 Välinge Innovation AB Procédé pour fabriquer un panneau de construction
DE102013113109A1 (de) 2013-11-27 2015-06-11 Guido Schulte Fußbodendiele
DE102013113125A1 (de) 2013-11-27 2015-05-28 Guido Schulte Fußboden-, Wand- oder Deckenpaneel und Verfahren zu dessen Herstellung
DE102013113130B4 (de) 2013-11-27 2022-01-27 Välinge Innovation AB Verfahren zur Herstellung einer Fußbodendiele
WO2015105456A1 (fr) 2014-01-10 2015-07-16 Välinge Innovation AB Procédé de production d'un élément plaqué
WO2015174909A1 (fr) 2014-05-12 2015-11-19 Välinge Innovation AB Procédé de fabrication d'un élément plaqué et élément plaqué correspondant
EP2963197B1 (fr) 2014-06-30 2017-11-22 NAPORO Klima Dämmstoff GmbH Procédé de préparation de broyage de matières premières renouvelables en fibre végétale, pour la transformation, notamment en nattes isolantes, et les matières premières renouvelables broyées obtenues selon ce procédé.
WO2016204681A1 (fr) 2015-06-16 2016-12-22 Välinge Innovation AB Procédé de formation d'élément de surface ou de panneau de construction, et élément de surface et panneau de construction
CA3021050C (fr) 2016-04-25 2023-03-14 Valinge Innovation Ab Element plaque et procede de production d'un tel element plaque
WO2019139523A1 (fr) 2018-01-11 2019-07-18 Välinge Innovation AB Procédé de fabrication d'un élément plaqué et élément plaqué
CN113260506A (zh) 2019-01-09 2021-08-13 瓦林格创新股份有限公司 生产单板元件的方法和单板元件

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
DE549077C (de) * 1930-01-25 1932-04-23 Emil Gminder Dr Vorrichtung zur Gewinnung von Bastfasern
FR2607834B1 (fr) * 1986-12-03 1989-02-17 Inst Textile De France Cylindre cannele pour broyage du lin
NL8901226A (nl) * 1989-05-17 1990-12-17 Inst Voor Bewaring Inrichting voor het verwerken van vlasstro, alsmede vlasstro-opener en trommel daarvoor.
JP2694474B2 (ja) * 1990-07-26 1997-12-24 トスコ 株式会社 天然セルロース繊維のフィブリル化装置
GB2251002B (en) * 1990-12-17 1995-05-17 Ask Corp Method of forming bamboo fibers and a resin molding reinforced with bamboo fiber

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8617439B2 (en) 2007-11-19 2013-12-31 Valinge Innovation Ab Recycling of laminate floorings
US8349235B2 (en) 2007-11-19 2013-01-08 Ceraloc Innovation Belgium Bvba Recycling of laminate floorings
US7811489B2 (en) 2007-11-19 2010-10-12 Valinge Innovation Ab Recycling of laminate floorings
US9556622B2 (en) 2007-11-19 2017-01-31 Valinge Innovation Ab Fibre based panels with a wear resistance surface
US8431054B2 (en) 2007-11-19 2013-04-30 Ceraloc Innovation Belgium Bvba Fibre based panels with a wear resistance surface
US8419877B2 (en) 2008-04-07 2013-04-16 Ceraloc Innovation Belgium Bvba Wood fibre based panels with a thin surface layer
US9255405B2 (en) 2008-04-07 2016-02-09 Valinge Innovation Ab Wood fibre based panels with a thin surface layer
US8481111B2 (en) 2010-01-15 2013-07-09 Ceraloc Innovation Belgium Bvba Bright coloured surface layer
US8663785B2 (en) 2010-01-15 2014-03-04 Valinge Innovation Ab Fibre based panels with a decorative wear resistance surface
US8784587B2 (en) 2010-01-15 2014-07-22 Valinge Innovation Ab Fibre based panels with a decorative wear resistance surface
US8920874B2 (en) 2010-01-15 2014-12-30 Valinge Innovation Ab Method of manufacturing a surface layer of building panels
US9410319B2 (en) 2010-01-15 2016-08-09 Valinge Innovation Ab Heat and pressure generated design
US8349234B2 (en) 2010-01-15 2013-01-08 Ceraloc Innovation Belgium Bvba Fibre based panels with a decorative wear resistance surface
US8480841B2 (en) 2010-04-13 2013-07-09 Ceralog Innovation Belgium BVBA Powder overlay
US9296191B2 (en) 2010-04-13 2016-03-29 Valinge Innovation Ab Powder overlay
US9352499B2 (en) 2011-04-12 2016-05-31 Valinge Innovation Ab Method of manufacturing a layer
US9085905B2 (en) 2011-04-12 2015-07-21 Valinge Innovation Ab Powder based balancing layer
US8728564B2 (en) 2011-04-12 2014-05-20 Valinge Innovation Ab Powder mix and a method for producing a building panel
US10214913B2 (en) 2011-04-12 2019-02-26 Valinge Innovation Ab Powder based balancing layer
US11566431B2 (en) 2011-08-26 2023-01-31 Ceraloc Innovation Ab Panel coating
US9403286B2 (en) 2012-03-19 2016-08-02 Valinge Innovation Ab Method for producing a building panel
US8920876B2 (en) 2012-03-19 2014-12-30 Valinge Innovation Ab Method for producing a building panel
US8993049B2 (en) 2012-08-09 2015-03-31 Valinge Flooring Technology Ab Single layer scattering of powder surfaces
US9181698B2 (en) 2013-01-11 2015-11-10 Valinge Innovation Ab Method of producing a building panel and a building panel
US9573343B2 (en) 2014-03-31 2017-02-21 Ceraloc Innovation Ab Composite boards and panels
US11850829B2 (en) 2018-01-11 2023-12-26 Välinge Innovation AB Method to produce a veneered element and a veneered element

Also Published As

Publication number Publication date
DE59604269D1 (de) 2000-03-02
DE19518188C2 (de) 1998-06-10
EP0744477A3 (fr) 1997-08-06
ATE189275T1 (de) 2000-02-15
DE19518188A1 (de) 1996-11-28
EP0744477A2 (fr) 1996-11-27
PT744477E (pt) 2000-06-30
GR3033031T3 (en) 2000-08-31
ES2143104T3 (es) 2000-05-01

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