ATE329082T1 - METHOD FOR CONTROLLING PAPER SHEET WRIPS IN THE DRYING SECTION OF A PAPER OR CARDBOARD MACHINE - Google Patents

METHOD FOR CONTROLLING PAPER SHEET WRIPS IN THE DRYING SECTION OF A PAPER OR CARDBOARD MACHINE

Info

Publication number
ATE329082T1
ATE329082T1 AT98910766T AT98910766T ATE329082T1 AT E329082 T1 ATE329082 T1 AT E329082T1 AT 98910766 T AT98910766 T AT 98910766T AT 98910766 T AT98910766 T AT 98910766T AT E329082 T1 ATE329082 T1 AT E329082T1
Authority
AT
Austria
Prior art keywords
paper
curl
solids content
web
dry solids
Prior art date
Application number
AT98910766T
Other languages
German (de)
Inventor
Vesa Ijaes
Kari Juppi
Pasi Ahonen
Jaakko Kallioniemi
Original Assignee
Metso Paper Inc
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 Inc filed Critical Metso Paper Inc
Application granted granted Critical
Publication of ATE329082T1 publication Critical patent/ATE329082T1/en

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
    • D21F5/08—Arrangement of steam points in 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
    • D21F5/04—Drying on cylinders on two or more drying cylinders

Landscapes

  • Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

The invention concerns a method in the dryer section of a paper or board machine for control of the curl of paper, in which method steam treatment and/or moistening of the paper web (W) is/are employed. In the method, the operations carried out in view of controlling the curl of the paper web (W) are carried out in a number of stages and/or when the web (W) temperature is lower than 85 DEG C, preferably lower than 75 DEG C, and/or when the dry solids content of the web (W) is in the range of K1...K2, wherein K1 = ultimate dry solids content - 7 % and K2 = ultimate dry solids content + 3 %. Further, the invention concerns a paper or board machine, which comprises at least a headbox, a former, a press, and a dryer section, in which steam boxes or moistening devices are employed for control of the curl. There are at least two of said curl regulation devices in view of achieving a regulation of the curl in a number of stages, and/or said curl regulation devices have been fitted to operate in an area in which the web temperature is lower than 85 DEG C, preferably lower than 75 DEG C, and/or the dry solids content of the web is in a range of K1...K2, wherein K1 = ultimate dry solids content - 7 % and K2 = ultimate dry solids content + 3 %.
AT98910766T 1997-03-27 1998-03-23 METHOD FOR CONTROLLING PAPER SHEET WRIPS IN THE DRYING SECTION OF A PAPER OR CARDBOARD MACHINE ATE329082T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI971301A FI971301A7 (en) 1997-03-27 1997-03-27 Method for controlling paper curl in a drying section of a paper machine and a paper or board machine

Publications (1)

Publication Number Publication Date
ATE329082T1 true ATE329082T1 (en) 2006-06-15

Family

ID=8548489

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98910766T ATE329082T1 (en) 1997-03-27 1998-03-23 METHOD FOR CONTROLLING PAPER SHEET WRIPS IN THE DRYING SECTION OF A PAPER OR CARDBOARD MACHINE

Country Status (10)

Country Link
EP (1) EP1012383B1 (en)
JP (1) JP3660360B2 (en)
CN (1) CN1101499C (en)
AT (1) ATE329082T1 (en)
AU (1) AU6502198A (en)
BR (1) BR9808431A (en)
CA (1) CA2284053C (en)
DE (1) DE69834820T2 (en)
FI (1) FI971301A7 (en)
WO (1) WO1998044191A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI112684B (en) 1999-03-23 2003-12-31 Metso Paper Inc Method for measuring and controlling curvature in a paper or paperboard web and a paper or paperboard machine line
FI106269B (en) * 1999-05-10 2000-12-29 Valmet Corp Blow arrangement and method for compensating the curl tendency of paper or cardboard webs and a paper or cardboard machine
JP4651314B2 (en) * 2004-06-15 2011-03-16 レンゴー株式会社 Surface smoothing equipment for paper and paperboard
DE102005034065A1 (en) * 2005-07-21 2007-01-25 Voith Patent Gmbh drying section
US8277610B2 (en) * 2007-04-10 2012-10-02 Xerox Corporation Mechanical fiber paper with controlled curl
DE102010039093A1 (en) * 2010-08-09 2012-02-09 Voith Patent Gmbh Method and device for controlling the moisture of a material web
CN103669088A (en) * 2012-09-10 2014-03-26 国能纸业有限公司 Front drying system used for multi-cylinder long mesh paper machine
EP2765237B1 (en) 2013-02-06 2016-11-23 Valmet Technologies, Inc. Method for producing a fiber web and production line for producing a fiber web
CN104859291B (en) * 2015-04-13 2017-12-29 京东方科技集团股份有限公司 A kind of drying device and its drying means
WO2018171959A1 (en) * 2017-03-21 2018-09-27 Voith Patent Gmbh Web treatment
CN108166315A (en) * 2017-12-08 2018-06-15 安徽金亿禾特种纸有限公司 A kind of method of modifying for making carbon copies paper web
CN112748237B (en) * 2020-12-29 2022-06-10 亚太森博(广东)纸业有限公司 Original warping detection method for copy paper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91900C (en) * 1990-12-17 1994-08-25 Valmet Paper Machinery Inc Process at the drying portion of a paper machine to reduce the curvature tendency and drying portion of the paper intended to carry out the procedure
DE9414963U1 (en) * 1994-09-16 1994-11-03 J.M. Voith Gmbh, 89522 Heidenheim Dryer section
FI98387C (en) * 1995-02-01 1997-06-10 Valmet Corp Process for making surface-treated paper, especially fine paper, and dry end for a paper machine

Also Published As

Publication number Publication date
FI971301A7 (en) 1998-09-28
CN1251629A (en) 2000-04-26
DE69834820T2 (en) 2006-11-09
FI971301A0 (en) 1997-03-27
AU6502198A (en) 1998-10-22
CA2284053C (en) 2005-11-22
EP1012383A1 (en) 2000-06-28
JP2001503484A (en) 2001-03-13
JP3660360B2 (en) 2005-06-15
CA2284053A1 (en) 1998-10-08
WO1998044191A1 (en) 1998-10-08
DE69834820D1 (en) 2006-07-20
EP1012383B1 (en) 2006-06-07
BR9808431A (en) 2000-05-23
CN1101499C (en) 2003-02-12

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Legal Events

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