EP0863254B1 - Procédé et machine à papier pour la fabrication d'une bande fibreuse multi-couches - Google Patents

Procédé et machine à papier pour la fabrication d'une bande fibreuse multi-couches Download PDF

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Publication number
EP0863254B1
EP0863254B1 EP97121015A EP97121015A EP0863254B1 EP 0863254 B1 EP0863254 B1 EP 0863254B1 EP 97121015 A EP97121015 A EP 97121015A EP 97121015 A EP97121015 A EP 97121015A EP 0863254 B1 EP0863254 B1 EP 0863254B1
Authority
EP
European Patent Office
Prior art keywords
former
layer
felt
press
fibrous web
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
EP97121015A
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German (de)
English (en)
Other versions
EP0863254A3 (fr
EP0863254A2 (fr
Inventor
Günther Dr. Halmschlager
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0863254A2 publication Critical patent/EP0863254A2/fr
Publication of EP0863254A3 publication Critical patent/EP0863254A3/fr
Application granted granted Critical
Publication of EP0863254B1 publication Critical patent/EP0863254B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers

Definitions

  • the invention relates to a method for producing a multilayer fibrous web, in the machine direction seen from a first headbox a first layer is formed on a first former and at least from a second headbox on a second former a second layer is formed that is solid with the first Layer is connected.
  • the invention further relates to a papie machine for manufacturing a multilayer fibrous web, with a first headbox seen in the machine direction to form a first layer of the fibrous web on one first former, and with a second headbox for formation at least a second layer on a second former, the is firmly attached to the first layer.
  • a twin wire former for multi-ply paper or Cardboard webs with several headbox exit openings use the different layers between a top sieve and a bottom sieve are produced one after the other and one above the other, by first a first layer from a fabric outlet opening is generated on the then from another fabric outlet a separately guided by means of a separating element Fibrous suspension applied to produce a second layer is, as well as, if necessary, a further location in a corresponding manner.
  • the layer formation takes place according to the crescent former principle by dewatering around a forming roller between a felt on the side facing the forming roller and a sieve the side facing away from the forming roller.
  • Such a former is formed by the use of a felt band especially for the production of thin, less tearproof papers, such as tissue papers.
  • multi-ply tissue papers such as multi-ply
  • should Toilet paper or paper tissues are produced so this is done according to the state of the art by using finished webs to be laid on top of each other to form multilayered sheets.
  • WO-A-95/13424 discloses a machine for the production of multilayer tissue papers with a twin wire former and a crescent form.
  • EP-A-0636745 discloses a machine for Production of a multi-layer paper web, on each former the layer formation between a guided over a forming roller gieb and a felt ribbon.
  • the object of the invention is therefore a paper machine and a method of making a multilayer Develop fibrous web, with at least two firm interconnected layers are generated separately, wherein also the production of thin, less tearproof individual layers should be made possible.
  • the process according to the invention enables a multi-layered process Manufacture fiber composite, the production of Fibrous webs with very thin, less tear-resistant individual layers possible that are firmly connected. There is also a sharp layer separation between the guaranteed individual layers.
  • This measure has the advantage of being complete separate layer formation a sharp layer separation what is possible even with very thin individual layers due to a separate white water channel with separate ones Headboxes are still supported.
  • the paper machine according to the invention can be used advantageous to produce paper webs in which on a first thicker layer that is created in the twin wire former, one second thinner layer is applied in the crescent former is produced.
  • Forming roller of the second former provided resilient strips to the Forming roller can be pressed.
  • FIGS. 1 and 1a A first version of a paper machine is shown in FIGS. 1 and 1a and overall with the number Designated 10.
  • the paper machine 10 comprises a first, with the total Number 12 designated headbox, on which by means of a Crescent former trained first former 14 a first Layer of a fibrous web is generated. This is about a forming roller 16 guided a felt belt 22 over which a sieve 20 runs.
  • the first headbox 12 becomes a fibrous suspension in the between the felt belt 22 and the sieve 20th formed enema zwickel 17 shot in and passes through the arrows shown in a tub 18 in which the Liquid is collected.
  • the first so between the felt tape 22 and the screen 20 layer formed on the forming roller 16 reaches a second former 24 on the felt belt 22, the is also designed as a crescent former.
  • the felt tape 22 on which the two are superimposed Layers are now formed over a plurality of Deflection rollers led to a wet press coming from an upper one Press roll 32 and a lower press roll 34 is formed and can be designed as an extended nip press. After passing through through the press 32, 34, the felt belt 22 is over pulleys diverted upwards and finally back to the first former 14 returned. The fibrous web 48 is then through another double felted press with a lower suction press roll 38 and an upper counter roller 40.
  • the fibrous web 48 is then pulled by means of a suction roll 42 removed and transferred to a dryer 44 to be in a subordinate dryer section to be dried, of which only a first drying cylinder 46 is shown.
  • FIGS. 1 and 1a indicate the transfer characterized, since Fig. 1a is the continuation of Fig. 1.
  • FIG. 2 A modification of the paper machine according to FIG. 1 is shown in FIG. 2 shown and designated overall by the number 50. It is a paper machine for the production of tissue papers.
  • the fibrous web after the formation of the first and the second layer on formers 14 and 24 on the felt belt 22 is not led through a press section, but directly by means of a roller 52 to a drying cylinder 54 or Yankee-Dryer with drying hood 56 is passed, of which the Fibrous web 48 is removed on a scraper 58.
  • FIG. 3 Another version of a paper machine for the production of cardboard boxes is shown in Fig. 3 and designated overall by the number 60.
  • the difference to the embodiment described with reference to FIG. 1 is that the two layers are not immediate sequentially formed on two formers, but independently are formed from each other, and that then the two Layers joined or squeezed together in a wet press become.
  • a first felt belt 22 runs over a forming roller 16a first crescent former 14a around which a first headbox 12a a pulp suspension in a between the Felt belt 22 and a sieve passed over the forming roller 16a 20a formed inlet gusset 17a is shot.
  • the Excess liquid that emerges laterally is in a Catch pan 18a collected.
  • a second crescent former 24a With a second crescent former 24a, a second Felt belt 22a in a corresponding manner a second layer of Fibrous web formed, again from a headbox 23a fiber suspension shot into an inlet gusset 27a between the via a forming roller 26a guided felt belt 22a and a circumferential sieve 30a formed is.
  • the emerging liquid is in a tub 28a collected.
  • FIG. 4 Another variation of a paper machine is shown in FIG. 4 and overall with the number 70 designated.
  • FIG 5 shows an embodiment of a paper machine according to the invention shown, which is designated overall by the number 80.
  • This paper machine differs from those previously described Paper machines essentially in that one of the two formers is designed as a twin wire former, with the total number 86 is designated.
  • a second former is connected to the twin wire former 86 97, which is supplied from a headbox 99 and at which in the manner described above between one over one Forming roller passed a second belt to felt belt 102 and a sieve 101 Paper layer is generated with the in the twin wire former 86 generated first layer merged and in a first Wet press 81, 83 is then squeezed together.
  • the twin wire former 86 is supplied from a headbox 88 and comprises, in a manner known per se, a top sieve 98 and a Bottom sieve 100, which is guided over a breast roller 90.
  • the Material jet emerges from the headbox 88 into the gap Breast roll 90 and top sieve 98.
  • a D-part 92 with pulsating elements adjoins the breast roller 90 Forming strips and further strips or support foils 94, 96 on.
  • the felt band 102 of the crescent former 97 is from below hinged to the top wire 98 of the twin wire former 86 so that the two layers produced are brought into contact with one another.
  • the felt band 102 runs in and out Upper felt 104.
  • Another press follows the first wet press 81, 83 which is preferably also designed as a shoe press 82, 84 and just as a felted press with one Upper felt 106 is executed.
  • the paper web 48 After the second shoe press 82, 84, the paper web 48 finally by means of a dryer wire 108 through a dryer section performed in which they are between the individual drying cylinders 110 is dried in a manner known per se.

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  • Paper (AREA)

Claims (9)

  1. Procédé pour la fabrication d'une feuille continue de matière fibreuse multicouche, pour lequel - lorsque vu en direction de course de la machine - une première couche est formée à partir d'une première caisse de tête (88) sur une première forme (86), et au moins une deuxième couche est formée à partir d'une deuxième caisse de tête (99) sur une deuxième forme (97), laquelle couche est fermement reliée avec la première couche,
    moyennant quoi la formation de couche sur la première forme (86) s'effectue entre des toiles (98, 100) guidées via un rouleau de tête (90),
    moyennant quoi la formation de couche sur la deuxième forme (97) s'effectue entre un ruban de feutre (102) guidé via un rouleau de formation et une toile (101), et moyennant quoi les deux couches sont ensuite mises en contact l'une avec l'autre et sont guidées à l'aide du ruban de feutre (102) à travers au moins une presse humide (81, 83) pour le couchage.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le ruban de feutre (102) de la deuxième forme (97) est articulé depuis le bas contre la toile (98) de la première forme (86).
  3. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'après la presse humide (81, 83), les deux couches sont amenées vers une autre presse (82, 84) de préférence feutrée simplement.
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce qu'après l'une au moins des presses humides (81, 83, 82, 84), les deux couches sont guidées à travers une partie sèche moyennant une toile sèche (108).
  5. Machine à papier (80) pour la fabrication d'une feuille continue de matière fibreuse multicouche avec - lorsque vu en direction de course de la machine - une première caisse de tête (88) pour la formation d'une première couche de la feuille continue de matière fibreuse sur une première forme (86), et avec une deuxième caisse de tête (99) pour la formation d'au moins une deuxième couche sur une deuxième forme (97), laquelle couche est fermement reliée à la première couche,
    moyennant quoi la première forme (86) est développée sous la forme d'une machine à double toile avec deux toiles (98, 100) guidées via un rouleau de tête (90),
    moyennant quoi la deuxième forme (97) est développée sous la forme d'une forme en croissant avec un ruban de feutre (102) guidé via un rouleau de formation et une toile (101), et moyennant quoi les deux couches sont ensuite mises en contact l'une avec l'autre et sont guidées à l'aide du ruban de feutre (102) à travers au moins une presse humide (81, 83) pour le couchage.
  6. Machine à papier (80) selon la revendication 5,
    caractérisée en ce qu'une autre presse (82, 84) de préférence feutrée simplement soit contiguë à la première presse humide (81, 83).
  7. Machine à papier (80) selon la revendication 5 ou 6,
    caractérisée en ce qu'au moins une des presses (81, 83, 82, 84) est développée sous la forme d'une presse à sabot.
  8. Machine à papier (80) selon l'une quelconque des revendications 5 à 7,
    caractérisée en ce qu'une pièce en D (92) avec des listels de formation à pulsations et d'autres listels ou listels de support (94, 96) soit contiguë au rouleau de tête (90) de la première forme (86).
  9. Machine à papier (80) selon l'une quelconque des revendications 5 à 8,
    caractérisée en ce que
    des listels souples sont prévus sur le rouleau de formation de la deuxième forme (97), lesquels peuvent être pressés contre le rouleau de formation.
EP97121015A 1997-02-06 1997-11-29 Procédé et machine à papier pour la fabrication d'une bande fibreuse multi-couches Expired - Lifetime EP0863254B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19704443A DE19704443A1 (de) 1997-02-06 1997-02-06 Verfahren und Papiermaschine zur Herstellung einer mehrlagigen Faserstoffbahn
DE19704443 1997-02-06

Publications (3)

Publication Number Publication Date
EP0863254A2 EP0863254A2 (fr) 1998-09-09
EP0863254A3 EP0863254A3 (fr) 1999-11-03
EP0863254B1 true EP0863254B1 (fr) 2003-08-06

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ID=7819449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121015A Expired - Lifetime EP0863254B1 (fr) 1997-02-06 1997-11-29 Procédé et machine à papier pour la fabrication d'une bande fibreuse multi-couches

Country Status (2)

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EP (1) EP0863254B1 (fr)
DE (2) DE19704443A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015827A1 (de) * 2000-03-30 2001-10-11 Voith Paper Patent Gmbh Maschine zur Herstellung einer mehrlagigen Faserstoffbahn
DE10101549A1 (de) * 2001-01-15 2002-07-18 Voith Paper Patent Gmbh Verfahren zur Herstellung einer mehrlagigen Faserstoffbahn
EP1321570A3 (fr) * 2001-12-20 2004-01-21 SCA Hygiene Products AB Bande de papier à couches multiples et procédé pour sa formation
DE10255471A1 (de) * 2002-11-28 2004-07-22 Voith Paper Patent Gmbh Doppelsiebformer einer Maschine zur Herstellung einer Faserstoffbahn und dazugehöriges Verfahren
DE10318198A1 (de) * 2003-04-22 2004-11-18 Voith Paper Patent Gmbh Maschine zur Herstellung einer mehrlagigen Faserstoffbahn
DE102008041953A1 (de) 2008-09-10 2010-03-11 Voith Patent Gmbh Blattbildungsvorrichtung und Verfahren zur Herstellung symmetrischer Blattstrukturen
DE202012013055U1 (de) 2012-03-22 2014-09-05 Voith Patent Gmbh Siebwasserauffanganlage
EP2944720B1 (fr) * 2014-05-15 2018-07-25 ICONè S.R.L. Section de formage et procédé de fabrication de papier
FI127630B (en) * 2014-12-17 2018-10-31 Valmet Technologies Inc Fiber forming machine forming unit and secondary forming unit for fiber forming machine multi-layer forming unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112070A1 (de) * 1981-03-27 1982-10-14 J.M. Voith Gmbh, 7920 Heidenheim Papiermaschine zum herstellen sanitaerer papiere
JPH07138895A (ja) * 1993-07-15 1995-05-30 Mitsubishi Heavy Ind Ltd 多層紙形成装置
CA2119432A1 (fr) * 1993-11-12 1995-05-13 Greg A. Wendt Methode pour fabriquer un tissu
DE4420801C2 (de) * 1994-06-16 1997-01-30 Voith Gmbh J M Verfahren zum Betreiben einer Doppelsiebzone einer Papiermaschine zur Herstellung von Faserstoffbahnen sowie Siebzone hierzu

Also Published As

Publication number Publication date
DE59710541D1 (de) 2003-09-11
EP0863254A3 (fr) 1999-11-03
DE19704443A1 (de) 1998-08-13
EP0863254A2 (fr) 1998-09-09

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