GB2416582A - Method for control of the curl of paper in the treatment of surface-sized paper,and finishing section of a paper machine - Google Patents

Method for control of the curl of paper in the treatment of surface-sized paper,and finishing section of a paper machine Download PDF

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Publication number
GB2416582A
GB2416582A GB0522777A GB0522777A GB2416582A GB 2416582 A GB2416582 A GB 2416582A GB 0522777 A GB0522777 A GB 0522777A GB 0522777 A GB0522777 A GB 0522777A GB 2416582 A GB2416582 A GB 2416582A
Authority
GB
United Kingdom
Prior art keywords
paper
web
drying
finishing section
sized
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.)
Granted
Application number
GB0522777A
Other versions
GB0522777D0 (en
GB2416582B (en
Inventor
Pasi Rajala
Robert Havukainen
Ville Korhonen
Seppo Elikoji
Pasi Ahonen
Martti Salminen
Kari Juppi
Pasi Kekko
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.)
Metso Paper 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 GB0522777D0 publication Critical patent/GB0522777D0/en
Publication of GB2416582A publication Critical patent/GB2416582A/en
Application granted granted Critical
Publication of GB2416582B publication Critical patent/GB2416582B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • D21F5/044—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices using air hoods over the cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/185—Supporting webs in hot air dryers
    • D21F5/187—Supporting webs in hot air dryers by air jets

Landscapes

  • Paper (AREA)

Abstract

The invention relates to a method in the treatment of suface-sized paper, in particular fine paper, in a finishing section of a paper machine. In the method a paper web (W) is first dried in a forward dryer section (D) of the paper machine in several successive downward open drying groups (G1...g6) that apply single-wire draw, after which the paper web (W) is finished in the finishing section. In the finishing section the web (W) is surface-sized in a surface-sizing unit (20) and dried. According to the invention, in the method, the surface-sized paper web (W) is mainly dried by means of contact-free drying. The web (W) is dried at least partly by means of airbone web-dryers (31, 32, 34, 36) or by means of impingement drying. In the method, the power of the airbone web-drying/impingement drying is regulated on both sides of the web (W) such that the tendency of curling created in the web (W) in the forward dryer section (D) can be controlled. In addition, the invention relates to a finishing section of a paper machine in the treatment of surface-sized paper, in particular fine paper, in the paper finishing section. Before the finishing section, the paper machine comprises a forward dryer section (D) in which there are several successive downward open drying groups (G1...G6) that apply single-wire draw. The finishing section comprises surface-sizing devices (20) and drying means. According to the invention, the drying means of the finishing section are mainly based on contact-free drying. At least one of the means are airborne web-dryers/impingement dryers (31, 32, 35, 36), whose power can be regulated such that the tendency of curling of the web can be controlled by the effect of drying applied on the different sides of the web (W).

Description

GB 2416582 A continuation (72) cont Kari Juppi Pasi Kekko (74) Agent
and/or Address for Service: Marks & Clerk Long Acre, LONDON, WC2E BRA, United Kingdom
GB0522777A 2003-05-08 2004-05-05 Method for control of the curl of paper in the treatment of surface-sized paper,and finishing section of a paper machine Expired - Fee Related GB2416582B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030691A FI121931B (en) 2003-05-08 2003-05-08 A method for treating surface-glued paper, especially fine paper, in a paper machine finishing section and a paper machine finishing section
PCT/FI2004/000271 WO2004099495A1 (en) 2003-05-08 2004-05-05 Method for control of the curl of paper in the treatment of surface-sized paper, and finishing section of a paper machine

Publications (3)

Publication Number Publication Date
GB0522777D0 GB0522777D0 (en) 2005-12-14
GB2416582A true GB2416582A (en) 2006-02-01
GB2416582B GB2416582B (en) 2007-02-21

Family

ID=8566081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0522777A Expired - Fee Related GB2416582B (en) 2003-05-08 2004-05-05 Method for control of the curl of paper in the treatment of surface-sized paper,and finishing section of a paper machine

Country Status (6)

Country Link
US (1) US20060118257A1 (en)
CN (1) CN1802468B (en)
DE (1) DE112004000770T5 (en)
FI (1) FI121931B (en)
GB (1) GB2416582B (en)
WO (1) WO2004099495A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007261A1 (en) * 2004-02-14 2005-09-15 Voith Paper Patent Gmbh web drying
DE102004007296A1 (en) * 2004-02-14 2005-09-15 Voith Paper Patent Gmbh Afterdryers
FI20075012A0 (en) 2007-01-11 2007-01-11 Metso Paper Inc A method for treating a coated / surface-bonded paper or board web in a paper or board machine finishing section and a paper or board machine finishing section
AT508471B1 (en) * 2009-07-15 2012-01-15 Andritz Ag Maschf DEVICE FOR PRODUCING A FIBROUS WEB
JP2011195980A (en) 2010-03-18 2011-10-06 Voith Patent Gmbh Method of adjusting curl of coated paper
CN103669097B (en) * 2012-09-10 2017-06-16 国能纸业有限公司 A kind of multi-cylinder long mesh paper machine for producing filler paper high
DE102019134177A1 (en) * 2019-12-12 2021-06-17 Voith Patent Gmbh Machine and method for producing a fibrous web
EP3988713B1 (en) * 2020-10-23 2023-11-01 Valmet Technologies Oy Method of treating a fiber web and a treatment system for treatment of a fiber web

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982328A (en) * 1974-05-29 1976-09-28 Aktiebolaget Svenska Flaktfabriken Dryer for material coated on two surfaces
WO1998012380A1 (en) * 1996-09-20 1998-03-26 Valmet Corporation Method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine and after-dryer carrying out the method in a paper machine
WO1998012379A1 (en) * 1996-09-20 1998-03-26 Valmet Corporation Method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine and after-dryer carrying out the method in a paper machine
WO2002103109A1 (en) * 2001-06-18 2002-12-27 Metso Paper, Inc. Method, paper machine and base paper for the manufacture of lwc printing paper coated once

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4110875A1 (en) * 1991-04-04 1992-10-08 Voith Gmbh J M DRY LOT
US5269074A (en) * 1992-04-24 1993-12-14 Beloit Technologies, Inc. Single tier dryer section for curl control
US5933977A (en) * 1995-09-12 1999-08-10 Beloit Technologies, Inc. Curl control with dryer aircaps
US5600898A (en) * 1995-09-12 1997-02-11 Beloit Technologies, Inc. Curl control by dryer aircaps in top felted dryer section
FI98944C (en) * 1995-10-25 1997-09-10 Valmet Corp Method and apparatus for drying the coating of a paper web or equivalent
US5933979A (en) * 1997-10-31 1999-08-10 Beloit Technologies, Inc. Restraint dryer for the drying end of a papermaking machine and a method thereof
AU3775900A (en) * 1999-03-26 2000-10-16 Southern Pulp Machinery (Pty) Limited Pulp moulding process and related system
FI118811B (en) * 2000-11-06 2008-03-31 Metso Paper Inc Blow drying section and drying group

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982328A (en) * 1974-05-29 1976-09-28 Aktiebolaget Svenska Flaktfabriken Dryer for material coated on two surfaces
WO1998012380A1 (en) * 1996-09-20 1998-03-26 Valmet Corporation Method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine and after-dryer carrying out the method in a paper machine
WO1998012379A1 (en) * 1996-09-20 1998-03-26 Valmet Corporation Method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine and after-dryer carrying out the method in a paper machine
WO2002103109A1 (en) * 2001-06-18 2002-12-27 Metso Paper, Inc. Method, paper machine and base paper for the manufacture of lwc printing paper coated once

Also Published As

Publication number Publication date
FI121931B (en) 2011-06-15
FI20030691A0 (en) 2003-05-08
CN1802468B (en) 2010-07-28
US20060118257A1 (en) 2006-06-08
GB0522777D0 (en) 2005-12-14
FI20030691A (en) 2004-11-09
GB2416582B (en) 2007-02-21
CN1802468A (en) 2006-07-12
WO2004099495A1 (en) 2004-11-18
DE112004000770T5 (en) 2006-05-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120505