CA2351490C - Procede et dispositif de formation d'une ame de pate a papier - Google Patents

Procede et dispositif de formation d'une ame de pate a papier Download PDF

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Publication number
CA2351490C
CA2351490C CA002351490A CA2351490A CA2351490C CA 2351490 C CA2351490 C CA 2351490C CA 002351490 A CA002351490 A CA 002351490A CA 2351490 A CA2351490 A CA 2351490A CA 2351490 C CA2351490 C CA 2351490C
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CA
Canada
Prior art keywords
pulp
web
set forth
water
wires
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 - Fee Related
Application number
CA002351490A
Other languages
English (en)
Other versions
CA2351490A1 (fr
Inventor
Risto Savia
Jorma Koskinen
Leo Lunden
Esa Markkanen
Ilkka Pakkala
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.)
Valmet Technologies Oy
Original Assignee
Metso Paper Oy
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 Metso Paper Oy filed Critical Metso Paper Oy
Publication of CA2351490A1 publication Critical patent/CA2351490A1/fr
Application granted granted Critical
Publication of CA2351490C publication Critical patent/CA2351490C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/48—Suction apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type

Landscapes

  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

La présente invention concerne un procédé et un dispositif destiné à la formation d'une âme de pâte à papier. Le procédé comprend une pulpe d'alimentation, laquelle possède un contenu sec d'environ 1,5 %, passant d'un tambour (2) à un espace de convergence en forme de coin (5) défini par deux fils (3, 4) ou éléments semblables, lesdits fils portant sur des chambres (6, 7), comprenant à un moment donné au moins une chambre recevant de d'eau (8), dont la pression est ajustable de telle façon que la pulpe puisse être maintenue en surpression dans l'espace(5). Le procédé consiste à augmenter le contenu sec de la pulpe dans l'espace de convergence (5) à une valeur d'au moins environ 10 à 12 %. Selon l'invention, le procédé consiste à soumettre la pulpe contenue entre les fils (3, 4) ou les éléments semblables dans la section de flux descendant de l'espace de convergence, ou dans ses abords sensiblement immédiats, à une compression dirigée perpendiculairement (sens z). Dans le présent procédé, la compression appliquée dans les abords de l'espace de convergence (5) ou dans la section de flux descendant est utilisée de façon à augmenter le contenu sec de la pulpe jusqu'à une valeur qui se monte au moins à environ 18 %, et de préférence à environ 20 %.
CA002351490A 1998-11-24 1999-11-24 Procede et dispositif de formation d'une ame de pate a papier Expired - Fee Related CA2351490C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI982539 1998-11-24
FI982539A FI109210B (fi) 1998-11-24 1998-11-24 Menetelmä ja laite selluloosarainan muodostamiseksi
PCT/FI1999/000967 WO2000031337A1 (fr) 1998-11-24 1999-11-24 Procede et dispositif de formation d'une ame de pate a papier

Publications (2)

Publication Number Publication Date
CA2351490A1 CA2351490A1 (fr) 2000-06-02
CA2351490C true CA2351490C (fr) 2007-08-21

Family

ID=8552972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002351490A Expired - Fee Related CA2351490C (fr) 1998-11-24 1999-11-24 Procede et dispositif de formation d'une ame de pate a papier

Country Status (8)

Country Link
EP (1) EP1153169B1 (fr)
JP (1) JP4523166B2 (fr)
AT (1) ATE260360T1 (fr)
AU (1) AU1562300A (fr)
CA (1) CA2351490C (fr)
DE (1) DE69915130T2 (fr)
FI (1) FI109210B (fr)
WO (1) WO2000031337A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4610301A (en) * 1999-11-17 2001-05-30 Andritz Ag Device for removing water from a fibrous meterial strip
FI117395B (fi) * 2000-11-16 2006-09-29 Metso Paper Inc Laite ja menetelmä veden poistamiseksi selluloosarainasta
ES2287401T3 (es) 2003-11-14 2007-12-16 THE PROCTER & GAMBLE COMPANY Composiciones polimericas para la liberacion sostenida de materiales volatiles.
TR201706056T4 (tr) 2005-12-07 2018-03-21 Procter & Gamble Uçucu maddeleri̇n sürekli̇ salimi i̇çi̇n poli̇meri̇k bi̇leşi̇mler.
CN102046878A (zh) * 2008-05-28 2011-05-04 美佐纸业股份有限公司 用于对纤维悬浮液进行脱水的双网压榨机和方法
US8236139B1 (en) 2008-06-30 2012-08-07 International Paper Company Apparatus for improving basis weight uniformity with deckle wave control
AT509992B1 (de) * 2010-10-27 2012-01-15 Andritz Ag Maschf Vorrichtung und verfahren zur trocknung von faserstoff
JP6245053B2 (ja) * 2014-04-23 2017-12-13 王子ホールディングス株式会社 パルプシートの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823062A (en) * 1972-02-28 1974-07-09 Int Paper Co Twin-wire papermaking employing stabilized stock flow and water filled seal(drainage)boxes
AT348325B (de) * 1977-02-14 1979-02-12 Andritz Ag Maschf Presspartie fuer entwaesserungsmaschinen
FR2428682A1 (fr) * 1978-06-16 1980-01-11 Stephanois Rech Meca Hydr Cent Procede de conditionnement de surface d'une piece metallique et surface obtenue
JPS57112495A (en) * 1981-11-06 1982-07-13 Int Paper Co Papermaking apparatus
FI85885C (fi) * 1987-11-25 1992-06-10 Tampella Oy Ab Foerfarande foer formering av en fiberbana i en pappersmaskin samt en anordning foer utfoering av foerfarandet.
BR9702174A (pt) * 1996-04-18 1999-03-02 Valmet Corp Método para regulagem total da caixa principal e/ou da matriz de uma máquina de confecção de papel ou equivalente
US5783045A (en) * 1996-05-06 1998-07-21 Beloit Technologies, Inc. Pulp and linerboard former with improved dewatering

Also Published As

Publication number Publication date
FI109210B (fi) 2002-06-14
JP4523166B2 (ja) 2010-08-11
FI982539A0 (fi) 1998-11-24
EP1153169A1 (fr) 2001-11-14
AU1562300A (en) 2000-06-13
EP1153169B1 (fr) 2004-02-25
JP2002530547A (ja) 2002-09-17
WO2000031337A1 (fr) 2000-06-02
DE69915130D1 (de) 2004-04-01
FI982539A (fi) 2000-05-25
CA2351490A1 (fr) 2000-06-02
DE69915130T2 (de) 2004-12-30
ATE260360T1 (de) 2004-03-15

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EEER Examination request
MKLA Lapsed

Effective date: 20191125