EP2432932A2 - Dispositif et procédé de traitement d'une bande continue de matière fibreuse dans un ensemble de presse à longue zone de pression - Google Patents

Dispositif et procédé de traitement d'une bande continue de matière fibreuse dans un ensemble de presse à longue zone de pression

Info

Publication number
EP2432932A2
EP2432932A2 EP10717020A EP10717020A EP2432932A2 EP 2432932 A2 EP2432932 A2 EP 2432932A2 EP 10717020 A EP10717020 A EP 10717020A EP 10717020 A EP10717020 A EP 10717020A EP 2432932 A2 EP2432932 A2 EP 2432932A2
Authority
EP
European Patent Office
Prior art keywords
press
fibrous web
roll
nip
extended
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.)
Withdrawn
Application number
EP10717020A
Other languages
German (de)
English (en)
Inventor
Wilhelm Mausser
Andreas Anzel
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.)
Andritz AG
Original Assignee
Andritz 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 Andritz AG filed Critical Andritz AG
Publication of EP2432932A2 publication Critical patent/EP2432932A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof
    • D21F3/045—Arrangements thereof including at least one extended press nip
    • 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
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D21F3/0227—Belts or sleeves therefor

Definitions

  • Press roll having a rotating or rotating press cover and a counter roll, wherein the fibrous web is dewatered in an extended press nip between the counter roll and the press cover of the press roll.
  • the invention also relates to a method for treating a fibrous web which is carried out with the device according to the invention.
  • the rotating press cover not only fulfills its function as a pressing element, but also serves as a means for further transport of the fibrous web after mechanical dewatering.
  • a transfer fabric which is performed in some embodiments in addition to the felt through the extended press nip, is therefore superfluous.
  • the aim of the invention is also to disclose a rotating press cover, with which a reliable further transport of the fibrous web can be carried out after the press nip.
  • the polymer layer may also comprise a particulate filler having a different hardness than the polymer layer, such as kaolin clay, a polymer material or metal, preferably stainless steel.
  • a particulate filler having a different hardness than the polymer layer, such as kaolin clay, a polymer material or metal, preferably stainless steel.
  • Fiber web is passed from the press cover to a transfer element, is guided, wherein a press cover with the properties according to the
  • the press cover 25 transfers the fibrous web 9 to a transfer element 31.
  • the transfer element 31 is a transfer cover 27.
  • the transfer element can also be a roller which takes over the fibrous web 9 from the press cover 25. This roller can also be drained.
  • the conditioning of the transfer fabric 27 should be such that there is no or only a very small moistening of the transfer fabric
  • the conditioning can be carried out for example with compressed air or a compressed air sword.
  • Fiber web transported 9, is continuously sucked.
  • Fiber web 9 can be used.
  • the fibrous web 9 can be removed from the press cover 25, for example, be scraped, and a
  • FIG. 2 A comparison with FIG. 2 shows that the press felt 14c is no longer needed in the board machine according to the invention.
  • a precisely defined press profile can act on the fibrous web 9.
  • a press profile of a long-nip press unit 29 is shown in FIG. 6 as a curve 37.
  • Curve 38 shows a press profile of a press unit with standard rollers without extended press nip 26.
  • the adjustable felt guide 40 also allows adjustment of the contact surface or the contact length between felt 33 and fibrous web 9 after the extended press nip 26.
  • a steam blower box (not shown) be provided to heat the fibrous web 9 before the extended press nip 26.
  • the smallest possible pressing pressure on the fibrous web 9 should preferably act on entry of the fibrous web 9 into the extended press nip 26.

Landscapes

  • Paper (AREA)

Abstract

L'invention concerne un dispositif et un procédé de traitement d'une bande continue de matière fibreuse (9) dans une machine à papier ou à carton, dans un ensemble de presse à longue zone de pression (29), comprenant un rouleau de pression (24) présentant un revêtement de pression rotatif (25), et un contre-rouleau (23), la bande de matière fibreuse (9) étant débarrassée de l'eau qu'elle contient, dans une zone prolongée de pression (26) entre le contre-rouleau (23) et le revêtement de pression (25) du rouleau de pression (24). L'invention est caractérisée en ce que la bande continue de matière fibreuse (9) est guidée, après avoir quitté la zone prolongée de pression (26), sur un revêtement de pression rotatif spécial (25) du rouleau de pression (24), vers une zone de transfert (30), dans laquelle la bande continue de matière fibreuse (9) est transférée du revêtement de pression (25) sur un élément de transfert (31, 27).
EP10717020A 2009-05-19 2010-04-09 Dispositif et procédé de traitement d'une bande continue de matière fibreuse dans un ensemble de presse à longue zone de pression Withdrawn EP2432932A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0078109A AT508331B1 (de) 2009-05-19 2009-05-19 Verfahren und vorrichtung zur behandlung einer faserstoffbahn in einer langnip-presseinheit
PCT/AT2010/000097 WO2010132903A2 (fr) 2009-05-19 2010-04-09 Dispositif et procédé de traitement d'une bande continue de matière fibreuse dans un ensemble de presse à longue zone de pression

Publications (1)

Publication Number Publication Date
EP2432932A2 true EP2432932A2 (fr) 2012-03-28

Family

ID=42799765

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10717020A Withdrawn EP2432932A2 (fr) 2009-05-19 2010-04-09 Dispositif et procédé de traitement d'une bande continue de matière fibreuse dans un ensemble de presse à longue zone de pression
EP10004733A Active EP2264243B1 (fr) 2009-05-19 2010-05-05 Procédé et dispositif de traitement d'une bande de matière fibreuse dans une unité de presse à longue ligne de contact

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10004733A Active EP2264243B1 (fr) 2009-05-19 2010-05-05 Procédé et dispositif de traitement d'une bande de matière fibreuse dans une unité de presse à longue ligne de contact

Country Status (8)

Country Link
US (2) US20120055644A1 (fr)
EP (2) EP2432932A2 (fr)
CN (2) CN102428230A (fr)
AT (3) AT508331B1 (fr)
CA (1) CA2703265C (fr)
ES (1) ES2384090T3 (fr)
PL (1) PL2264243T3 (fr)
WO (1) WO2010132903A2 (fr)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
AT508331B1 (de) * 2009-05-19 2011-05-15 Andritz Ag Maschf Verfahren und vorrichtung zur behandlung einer faserstoffbahn in einer langnip-presseinheit
FI123582B (fi) * 2010-04-29 2013-07-31 Metso Paper Inc Menetelmä ja laitteisto kuiturainan käsittelemiseksi
JP5716378B2 (ja) * 2010-12-17 2015-05-13 王子ホールディングス株式会社 繊維シートの製造装置
AT517329B1 (de) * 2015-10-05 2017-01-15 Andritz Ag Maschf Verfahren zur herstellung einer faserstoffbahn
WO2017139786A1 (fr) * 2016-02-11 2017-08-17 Structured I, Llc Courroie ou tissu comprenant une couche polymère pour machine à papier
DE102016209780A1 (de) * 2016-06-03 2017-12-07 Voith Patent Gmbh Pressenpartie
AT16404U1 (de) * 2017-05-18 2019-08-15 Voith Patent Gmbh Vorrichtung zur Reinigung einer umlaufenden Bespannung einer Maschine zur Herstellung oder Behandlung einer Faserstoffbahn
AT520319B1 (de) 2018-03-01 2019-03-15 Andritz Ag Maschf Verfahren und vorrichtung zum behandeln einer faserstoffbahn in einer langnip-presseinheit
DE102018114748A1 (de) 2018-06-20 2019-12-24 Voith Patent Gmbh Laminierte Papiermaschinenbespannung
DE102018119383A1 (de) * 2018-08-09 2020-02-13 Voith Patent Gmbh Maschine und Verfahren zur Herstellung einer Wellpappenrohpapierbahn
DE102018122632A1 (de) * 2018-09-17 2020-03-19 Voith Patent Gmbh Maschine und Verfahren zur Herstellung einer Faserstoffbahn
AT522784B1 (de) 2020-02-25 2021-02-15 Andritz Ag Maschf Vorrichtung und verfahren zum herstellen einer faserstoffbahn
CN113737559B (zh) * 2021-08-06 2023-07-18 金顺重机（江苏）有限公司 薄页长网造纸设备
CN114739349B (zh) * 2021-08-10 2024-08-23 江苏共昌轧辊股份有限公司 一种便于上料的轧辊生产用粗糙度检测系统
FI131301B1 (fi) * 2022-12-09 2025-01-30 Valmet Technologies Oy Puristinjärjestely sellunkuivauskoneella ja sellunkuivauskoneen märkäpää
AT528354A1 (de) 2024-05-23 2025-12-15 Andritz Ag Maschf Anordnung und verfahren zum betrieb eines belts in einer maschine

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DE3742848C3 (de) 1987-12-17 1996-06-13 Escher Wyss Gmbh Pressenpartie einer Papiermaschine
DE3815278A1 (de) * 1988-05-05 1989-11-16 Voith Gmbh J M Pressenpartie einer maschine zur herstellung einer faserstoffbahn, insbesondere papierbahn
FI82092C (fi) * 1989-03-22 1991-01-10 Valmet Paper Machinery Inc Laongnyppress.
CA2025447C (fr) * 1989-11-07 1995-01-17 David V. Lange Appareil et methode inhibiteur de vibration pour la section presse d'une machine a pate
FI93663C (fi) * 1990-06-06 1995-05-10 Valmet Paper Machinery Inc Menetelmä ja laite erillispuristimella varustetussa paperikoneen puristinosassa
US5389205A (en) 1990-11-23 1995-02-14 Valmet Paper Machinery, Inc. Method for dewatering of a paper web by pressing using an extended nip shoe pre-press zone on the forming wire
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Also Published As

Publication number Publication date
AT508331A1 (de) 2010-12-15
AT508331B1 (de) 2011-05-15
ES2384090T3 (es) 2012-06-29
WO2010132903A2 (fr) 2010-11-25
CA2703265C (fr) 2016-08-23
EP2264243A1 (fr) 2010-12-22
AT508305A2 (de) 2010-12-15
US8349138B2 (en) 2013-01-08
WO2010132903A3 (fr) 2011-01-06
PL2264243T3 (pl) 2012-08-31
ATE549456T1 (de) 2012-03-15
EP2264243B1 (fr) 2012-03-14
CN101892605A (zh) 2010-11-24
AT508305A3 (de) 2013-03-15
CA2703265A1 (fr) 2010-11-19
US20100300635A1 (en) 2010-12-02
CN101892605B (zh) 2015-01-14
US20120055644A1 (en) 2012-03-08
CN102428230A (zh) 2012-04-25

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