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WO2004022843A1 - Procede pour traiter la cellulose - Google Patents

Procede pour traiter la cellulose Download PDF

Info

Publication number
WO2004022843A1
WO2004022843A1 PCT/EP2003/008445 EP0308445W WO2004022843A1 WO 2004022843 A1 WO2004022843 A1 WO 2004022843A1 EP 0308445 W EP0308445 W EP 0308445W WO 2004022843 A1 WO2004022843 A1 WO 2004022843A1
Authority
WO
WIPO (PCT)
Prior art keywords
grinding
fibers
movement
zone
fibrous material
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.)
Ceased
Application number
PCT/EP2003/008445
Other languages
German (de)
English (en)
Inventor
Wolfgang Berger
Klaus Eibinger
Rudolf Eichinger
Dietmar GRÜNEIS
Andrea Hierner
Walter RÜF
Ronald Sigl
Helmut Stark
Peter-Rigobert Winter
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.)
NEUSIEDLER AG
NORSKE SKOG BRUCK GmbH
Winter Erika
Mondi Frantschach GmbH
SCA Graphic Laakirchen AG
Institut fuer Papier Zellstoff und Fasertechnik
SAPPI PAPIER HOLDING AG
Voith Paper Fiber and Environmental Solutions GmbH and Co KG
Original Assignee
NEUSIEDLER AG
NORSKE SKOG BRUCK GmbH
Winter Erika
Frantschach Pulp and Paper Austria AG
SCA Graphic Laakirchen AG
Institut fuer Papier Zellstoff und Fasertechnik
Voith Paper Fiber Systems GmbH and Co KG
SAPPI PAPIER HOLDING AG
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 NEUSIEDLER AG, NORSKE SKOG BRUCK GmbH, Winter Erika, Frantschach Pulp and Paper Austria AG, SCA Graphic Laakirchen AG, Institut fuer Papier Zellstoff und Fasertechnik, Voith Paper Fiber Systems GmbH and Co KG, SAPPI PAPIER HOLDING AG filed Critical NEUSIEDLER AG
Priority to BR0305765-8A priority Critical patent/BR0305765A/pt
Priority to US10/523,063 priority patent/US20070006984A1/en
Priority to AU2003258551A priority patent/AU2003258551A1/en
Priority to JP2004533296A priority patent/JP2005535799A/ja
Priority to EP03793666A priority patent/EP1521883A1/fr
Publication of WO2004022843A1 publication Critical patent/WO2004022843A1/fr
Priority to NO20041310A priority patent/NO20041310L/no
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/34—Other mills or refiners
    • D21D1/36—Other mills or refiners with vertical shaft
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/34—Other mills or refiners
    • D21D1/38—Other mills or refiners with horizontal shaft

Definitions

  • the invention relates to a method for fiber treatment according to the preamble of claim 1.
  • Process for fiber treatment of the above Kinds are generally also referred to as grinding processes. It has long been known that pulp fibers have to be ground so that the paper subsequently produced from them has the desired properties, in particular strength, formation and surface. By far the most frequently used grinding processes use grinding surfaces which are provided with strips known as knives. The corresponding machines are mostly called knife refiners. For special cases, grinding processes are also used in which at least one of the grinding surfaces is knife-free, so that the grinding work is transmitted by friction or shear forces.
  • the effect of the method can be controlled over a wide range by changing the grinding parameters, and in addition to the amount of grinding, a distinction is made in particular as to whether a more cutting or more fibrillating grinding is desired. If pulp fibers are processed by the known grinding processes, their resistance to dewatering increases with increasing grinding. A common measure of drainage resistance is the Schopper-Riegler degree of grinding.
  • the invention is based on the object of providing a method for treating pulp with which it is possible to change pulp or paper fibers in such a way that the strengths of the paper produced therefrom are increased.
  • the increase in dewatering resistance that occurs should be at least less than in known grinding processes.
  • the new grinding process essentially works in such a way that grinding shear stress on the cellulose fibers is largely avoided. This essentially achieves three important advantages over the known grinding processes:
  • the fiber surface is not or significantly less fibrillated.
  • the specific grinding work to achieve the desired strength is generally less.
  • FIG. 2 Schematic: A device for performing the method
  • FIG. 4 schematically in the position of use: Another device for
  • FIG. 1 can be seen as a top view of part of a device that is particularly suitable for carrying out the method be considered. However, no technical-constructive details are shown.
  • the grinding surface 1 is located on the outer circumference of a rotating grinding body 9.
  • the grinding surface 2, as the inside of a likewise rotating grinding drum 8, carries on its inside the fibrous material F to be ground, that is to say the aqueous suspension containing the paper or cellulose fibers. Due to the centrifugal forces, it is evenly distributed on the grinding surface 2 and rotates on it.
  • the peripheral speed of the grinding element 9 is indicated by an arrow 6 and that of the grinding drum 8 by an arrow 7.
  • the kinematics of these two grinding surfaces is such that at point 5, where the two grinding surfaces come closest, there is at most a very low relative speed between the fibrous material F and the grinding surfaces in the direction of the main movements of the grinding surfaces.
  • the main directions of movement arise from the movement of the grinding surfaces due to the drive.
  • the grinding body 9 rolls here on the inside of the grinding drum 8.
  • the axis of rotation of the grinding element 9 is parallel to that of the grinding drum 8 and can be fixed in space.
  • the actual grinding zone 3 begins at the point at which the grinding surface 1 dips into the layer of the fibrous material F.
  • the grinding body 9 is pressed against the grinding surface 2 with the force P here. The grinding effect can be adjusted by changing this force.
  • the grinding surface 1 is here provided with grooves 4, the effect of which cannot be compared with that of knives known from knife refiners, in which the knives are moved relative to one another at high speed.
  • the grooves 4 in cooperation with the counter surface, generate pressure pulses which serve, for example, to absorb water from the fibers. They also ensure the transport of the fibrous material F through the grinding zone 3.
  • the grooves can run over the entire axial length of the grinding body, but they can also be interrupted. Depth t and width u should generally be at least 2 mm. Deviations from the rectangular profile shown here are also conceivable, as shown by way of example in FIG. 3 using a trapezoidal profile.
  • a device for performing the method could basically be constructed as shown in FIG. 2 in the position of use.
  • a horizontally arranged grinding drum 8 can be seen, which is set in rotation via the drive 11.
  • Within this grinding drum there are several grinding bodies 9 which - as already described - are moved in such a way that a rolling movement is formed at the contact points with the grinding drum 8.
  • the grinding media 9 are set in rotation by the drive 10, their axes of rotation being vertical and fixed in space.
  • the added fibrous material F can be ground in batches with such a device and removed after the grinding process as ground fibrous material F '. If such a device is to be operated continuously, precautions must be taken which bring about a constant throughput of the fibrous material, so that uniform grinding takes place.
  • FIG. 4 Another possibility for carrying out the method is shown in FIG. 4, in which the center lines of the grinding drum 8 and the grinding element 9 lie horizontally.
  • This device allows continuous grinding what However, this presupposes that the desired grinding is achieved with just a few passes through a grinding zone.
  • a wide layer of the fibrous material F to be ground is introduced into the stationary grinding drum 8 in such a way that it runs down on the inner wall of the grinding drum due to gravity.
  • the grinding element 9 rolls on the inner wall of the grinding drum 8 such that the rotational movement (directional arrow 6) of the grinding element 9 about its axis is superimposed with a rotational movement (directional arrow 6 ') of the axis of the grinding element 9 about the center line of the grinding drum 8.
  • such a device contains a plurality of grinding media 9 which are mounted on a rotating frame.
  • the grinding media can run against the flow of the pulp (as drawn here) or follow it.
  • FIG. 5 The improvement that can be achieved by the new method is indicated on a schematic diagram according to FIG. 5.
  • This diagram shows the degree of grinding (arrow 12), plotted over the tearing length (arrow 13).
  • Curve 14 shows the result of a conventional knife grinding and curve 15 shows a result achieved by the new method. It can easily be seen that in order to achieve a desired high tearing length, the new process produces a significantly lower degree of grinding. This diagram is only intended to show a general trend.

Landscapes

  • Paper (AREA)

Abstract

L'invention concerne un procédé servant à la transformation de fibres de papier ou de cellulose suspendues, et permettant d'améliorer, en particulier, la solidité du papier produit à partir desdites fibres. A cet effet, deux surfaces de raffinage (1, 2) sont serrées l'une contre l'autre et déplacées, de façon à ce qu'une vitesse relative la plus faible possible soit atteinte, dans la zone de raffinage (3), entre les surfaces de raffinage et la cellulose. Afin de réaliser le procédé de manière appropriée, on utilise des corps de raffinage (9) portant une surface de raffinage (1), qui s'enroulent sur la partie intérieure d'un tambour de raffinage portant une surface de raffinage.
PCT/EP2003/008445 2002-08-13 2003-07-30 Procede pour traiter la cellulose Ceased WO2004022843A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR0305765-8A BR0305765A (pt) 2002-08-13 2003-07-30 Processo para alteção de fibras de papel ou fibras de celulose em uma suspensão aquosa
US10/523,063 US20070006984A1 (en) 2002-08-13 2003-07-30 Method for the treatment of fiber material
AU2003258551A AU2003258551A1 (en) 2002-08-13 2003-07-30 Method for the treatment of fiber material
JP2004533296A JP2005535799A (ja) 2002-08-13 2003-07-30 パルプの処理方法
EP03793666A EP1521883A1 (fr) 2002-08-13 2003-07-30 Procede pour traiter la cellulose
NO20041310A NO20041310L (no) 2002-08-13 2004-03-30 Fremgangsmate for behandling av masse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10236962A DE10236962A1 (de) 2002-08-13 2002-08-13 Verfahren zur Faserstoffbehandlung
DE10236962.3 2002-08-13

Publications (1)

Publication Number Publication Date
WO2004022843A1 true WO2004022843A1 (fr) 2004-03-18

Family

ID=30775198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/008445 Ceased WO2004022843A1 (fr) 2002-08-13 2003-07-30 Procede pour traiter la cellulose

Country Status (10)

Country Link
US (1) US20070006984A1 (fr)
EP (1) EP1521883A1 (fr)
JP (1) JP2005535799A (fr)
CN (1) CN1697902A (fr)
AU (1) AU2003258551A1 (fr)
BR (1) BR0305765A (fr)
DE (1) DE10236962A1 (fr)
NO (1) NO20041310L (fr)
RU (1) RU2309211C2 (fr)
WO (1) WO2004022843A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019528A1 (fr) * 2003-08-18 2005-03-03 Voith Paper Patent Gmbh Procede de raffinage de fibres de papier ou de cellulose en suspension aqueuse

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337922A1 (de) * 2003-08-18 2005-03-17 Voith Paper Patent Gmbh Verfahren zur Mahlung von wässrig suspendierten Papier- oder Zellstofffasern
DE10337921A1 (de) * 2003-08-18 2005-03-17 Voith Paper Patent Gmbh Verfahren zur Mahlung von wässrig suspendierten Papier- oder Zellstofffasern
DE102005016318A1 (de) * 2005-04-09 2006-10-12 Voith Paper Patent Gmbh Verfahren zur Mahlung von wässrig suspendierten Papier- oder Zellstoffasern sowie Mahlvorrichtung zu seiner Durchführung
EP1874999A1 (fr) * 2005-04-15 2008-01-09 Voith Patent GmbH Procede pour traiter des matieres premieres de fibres de papier
EP1728918A3 (fr) 2005-05-12 2006-12-13 Voith Patent GmbH Procédé pour séparer des impuretés d'une suspension aqueuse de fibres
EP1798329B1 (fr) * 2005-12-17 2010-05-19 Voith Patent GmbH Procédé pour enlever des contaminants d'une suspension aqueuse de fibres
DE102007003964A1 (de) * 2007-01-26 2008-01-24 Voith Patent Gmbh Verfahren zur Erzeugung von Holzstoff
US9879361B2 (en) 2012-08-24 2018-01-30 Domtar Paper Company, Llc Surface enhanced pulp fibers, methods of making surface enhanced pulp fibers, products incorporating surface enhanced pulp fibers, and methods of making products incorporating surface enhanced pulp fibers
CA2940135C (fr) 2014-02-21 2019-01-15 Domtar Paper Company Llc Fibres de pate ameliorees en surface au niveau d'une surface de substrat
JP6461181B2 (ja) 2014-02-21 2019-01-30 ドムター ペーパー カンパニー， エルエルシー 繊維強化セメント複合材料及びその製造方法
NL2013950B1 (en) * 2014-12-10 2016-10-11 Johannes Clumpkens Mathias Method for refining fibres for paper making and apparatus suitable for said process.
US11473245B2 (en) 2016-08-01 2022-10-18 Domtar Paper Company Llc Surface enhanced pulp fibers at a substrate surface
WO2018075627A1 (fr) 2016-10-18 2018-04-26 Domtar Paper Company, Llc Procédé de production de fibres de pâte améliorées à surface chargée par une charge
CA3088962A1 (fr) 2018-02-05 2019-08-08 Harshad PANDE Produits de papier et pates ayant des fibres de pate a surface amelioree et une capacite d'absorption accrue, et leurs procedes de fabrication
CN109183489A (zh) * 2018-09-25 2019-01-11 福建锐信合成革有限公司 一种离型纸上浆装置
WO2020198516A1 (fr) 2019-03-26 2020-10-01 Domtar Paper Company, Llc Produits en papier soumis à un traitement de surface comprenant des fibres de pulpe à surface traitée par des enzymes et leurs procédés de fabrication
CA3150203A1 (fr) 2019-09-23 2021-04-01 Bradley Langford Mouchoirs et serviettes en papier incorporant des fibres de pate a papier a surface agrandie et leurs procedes de fabrication
CA3150290A1 (fr) 2019-09-23 2021-04-01 Bradley Langford Produits en papier comprenant des fibres de pate a papier exaltees de surface et ayant des resistances a l'etat humide et a sec decouplees et leurs procedes de fabrication
CA3156991A1 (fr) 2019-10-07 2021-04-15 Domtar Paper Company, Llc Produits de pate a papier moulee integrant des fibres de pate a papier a surface amelioree et leurs procedes de fabrication
FR3137398B1 (fr) 2022-06-30 2024-05-31 Centre Technique Du Papier Procede de traitement de fibres cellulosiques par compression mecanique notamment pour pate a papier
FR3157223B1 (fr) 2023-12-20 2025-11-14 Centre Technique Du Papier Procédé de traitement mécanique et chimique de fibres cellulosiques dans un malaxeur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592594A (en) * 1948-10-27 1952-04-15 Taylor Refiner Company Inc Method of and machine for treating fibrous or cellulosic material
DE894499C (de) * 1940-02-16 1953-10-26 Belgique Papeteries Vorrichtung zum Behandeln von Fasergut, insbesondere Papierstoff
US2719463A (en) * 1954-01-29 1955-10-04 Anton J Haug Machines for reducing and treating fibrous paper making materials
DE959345C (de) * 1953-10-28 1957-03-07 Anton J Haug Kollermuehle zum Behandeln von Faserstoffen fuer die Papierfabrikation
WO1986006427A1 (fr) * 1985-04-29 1986-11-06 Beloit Corporation Procede et appareil de traitement de pulpe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534912A (en) * 1967-01-11 1970-10-20 Beloit Corp Low speed refining of a papermaking pulp solution
SE440247B (sv) * 1983-11-30 1985-07-22 Folke Eriksson Apparat for behandling av cellulosamassa med en koncentration ovanfor flytbarhetsgrensen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE894499C (de) * 1940-02-16 1953-10-26 Belgique Papeteries Vorrichtung zum Behandeln von Fasergut, insbesondere Papierstoff
US2592594A (en) * 1948-10-27 1952-04-15 Taylor Refiner Company Inc Method of and machine for treating fibrous or cellulosic material
DE959345C (de) * 1953-10-28 1957-03-07 Anton J Haug Kollermuehle zum Behandeln von Faserstoffen fuer die Papierfabrikation
US2719463A (en) * 1954-01-29 1955-10-04 Anton J Haug Machines for reducing and treating fibrous paper making materials
WO1986006427A1 (fr) * 1985-04-29 1986-11-06 Beloit Corporation Procede et appareil de traitement de pulpe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019528A1 (fr) * 2003-08-18 2005-03-03 Voith Paper Patent Gmbh Procede de raffinage de fibres de papier ou de cellulose en suspension aqueuse

Also Published As

Publication number Publication date
NO20041310L (no) 2004-03-30
EP1521883A1 (fr) 2005-04-13
AU2003258551A8 (en) 2004-03-29
RU2309211C2 (ru) 2007-10-27
RU2005106869A (ru) 2005-10-10
BR0305765A (pt) 2004-10-05
CN1697902A (zh) 2005-11-16
US20070006984A1 (en) 2007-01-11
JP2005535799A (ja) 2005-11-24
DE10236962A1 (de) 2004-02-26
AU2003258551A1 (en) 2004-03-29

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