AU6502198A - Method for control of the curl of paper in the dryer section of a paper machine and paper or board machine - Google Patents
Method for control of the curl of paper in the dryer section of a paper machine and paper or board machineInfo
- Publication number
- AU6502198A AU6502198A AU65021/98A AU6502198A AU6502198A AU 6502198 A AU6502198 A AU 6502198A AU 65021/98 A AU65021/98 A AU 65021/98A AU 6502198 A AU6502198 A AU 6502198A AU 6502198 A AU6502198 A AU 6502198A
- Authority
- AU
- Australia
- Prior art keywords
- paper
- curl
- solids content
- web
- dry solids
- 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.)
- Abandoned
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 %.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971301A FI971301A (en) | 1997-03-27 | 1997-03-27 | Method for controlling paper curl with a dryer section of a paper machine and a paper or board machine |
FI971301 | 1997-03-27 | ||
PCT/FI1998/000253 WO1998044191A1 (en) | 1997-03-27 | 1998-03-23 | Method for control of the curl of paper in the dryer section of a paper machine and paper or board machine |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6502198A true AU6502198A (en) | 1998-10-22 |
Family
ID=8548489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU65021/98A Abandoned AU6502198A (en) | 1997-03-27 | 1998-03-23 | Method for control of the curl of paper in the dryer section of a paper machine and paper or board 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) | FI971301A (en) |
WO (1) | WO1998044191A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112684B (en) | 1999-03-23 | 2003-12-31 | Metso Paper Inc | Method for Measuring and Adjusting Curvature of a Paper or Cardboard Web and a Paper or Cardboard 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 |
EP3601666B1 (en) * | 2017-03-21 | 2024-01-17 | 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)
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 | Method for the production of surface-treated paper, in particular fine paper, and the dry end of a paper machine |
-
1997
- 1997-03-27 FI FI971301A patent/FI971301A/en not_active Application Discontinuation
-
1998
- 1998-03-23 JP JP54118598A patent/JP3660360B2/en not_active Expired - Fee Related
- 1998-03-23 AU AU65021/98A patent/AU6502198A/en not_active Abandoned
- 1998-03-23 CN CN98803774A patent/CN1101499C/en not_active Expired - Fee Related
- 1998-03-23 WO PCT/FI1998/000253 patent/WO1998044191A1/en active IP Right Grant
- 1998-03-23 CA CA002284053A patent/CA2284053C/en not_active Expired - Fee Related
- 1998-03-23 EP EP98910766A patent/EP1012383B1/en not_active Expired - Lifetime
- 1998-03-23 DE DE69834820T patent/DE69834820T2/en not_active Expired - Lifetime
- 1998-03-23 AT AT98910766T patent/ATE329082T1/en not_active IP Right Cessation
- 1998-03-23 BR BR9808431-3A patent/BR9808431A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69834820D1 (en) | 2006-07-20 |
EP1012383A1 (en) | 2000-06-28 |
FI971301A0 (en) | 1997-03-27 |
EP1012383B1 (en) | 2006-06-07 |
WO1998044191A1 (en) | 1998-10-08 |
CN1251629A (en) | 2000-04-26 |
JP2001503484A (en) | 2001-03-13 |
JP3660360B2 (en) | 2005-06-15 |
CA2284053A1 (en) | 1998-10-08 |
FI971301A (en) | 1998-09-28 |
ATE329082T1 (en) | 2006-06-15 |
BR9808431A (en) | 2000-05-23 |
CA2284053C (en) | 2005-11-22 |
DE69834820T2 (en) | 2006-11-09 |
CN1101499C (en) | 2003-02-12 |
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