DE69129788T2 - Method and device for dewatering a paper web by pressing - Google Patents

Method and device for dewatering a paper web by pressing

Info

Publication number
DE69129788T2
DE69129788T2 DE69129788T DE69129788T DE69129788T2 DE 69129788 T2 DE69129788 T2 DE 69129788T2 DE 69129788 T DE69129788 T DE 69129788T DE 69129788 T DE69129788 T DE 69129788T DE 69129788 T2 DE69129788 T2 DE 69129788T2
Authority
DE
Germany
Prior art keywords
paper web
dewatering
web
paper
transferred
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
DE69129788T
Other languages
German (de)
Other versions
DE69129788D1 (en
Inventor
Juhani Pajula
Martti Hirsimaeki
Juha Kivimaa
Pekka Taskinen
Jorma Laapotti
Mikko Karvinen
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 Oy
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Application granted granted Critical
Publication of DE69129788D1 publication Critical patent/DE69129788D1/en
Publication of DE69129788T2 publication Critical patent/DE69129788T2/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
    • 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
    • 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
    • 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

Abstract

Method and device in the manufacture of paper or board for dewatering of the paper web (W) that is being manufactured. The paper web (W) is transferred from the forming wire (10) onto the wire (80) in the drying section while constantly on support of a fabric that receives water, a transfer febric, or of any other, corresponding transfer surface (105') as a closed draw, at a particularly high speed, which is, as a rule, higher than about 25...30 m/s. Dewatering of the paper web (W) is carried out by means of two subsequent extended press nips (NP1, NP2), whose length (z) in the machine direction is larger than z > about 100 mm. After the first extended press nip (NP1), through which the web is passed between two fabrics (20, 30) the web is transferred by means of a suction roll (40) to a single upper fabric (40) passing through the second extended nip (NP2), which has a smooth faced counter roll (105) in a lower position. <IMAGE>
DE69129788T 1990-11-23 1991-11-22 Method and device for dewatering a paper web by pressing Expired - Fee Related DE69129788T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI905798A FI96789C (en) 1990-11-23 1990-11-23 Method and apparatus for dewatering a paper web by pressing

Publications (2)

Publication Number Publication Date
DE69129788D1 DE69129788D1 (en) 1998-08-20
DE69129788T2 true DE69129788T2 (en) 1998-11-19

Family

ID=8531454

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69133030T Expired - Fee Related DE69133030T2 (en) 1990-11-23 1991-11-22 Method and device for dewatering a paper web by pressing
DE69129788T Expired - Fee Related DE69129788T2 (en) 1990-11-23 1991-11-22 Method and device for dewatering a paper web by pressing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69133030T Expired - Fee Related DE69133030T2 (en) 1990-11-23 1991-11-22 Method and device for dewatering a paper web by pressing

Country Status (5)

Country Link
EP (2) EP0770727B1 (en)
AT (2) ATE168423T1 (en)
CA (1) CA2055927C (en)
DE (2) DE69133030T2 (en)
FI (1) FI96789C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10233924A1 (en) * 2002-07-25 2004-02-12 Voith Paper Patent Gmbh Papermaking process automatically monitors and corrects water drainage local distribution pattern within dewatering nip zone

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98844C (en) * 1991-12-23 1997-08-25 Valmet Paper Machinery Inc Press section in paper machine, especially for printing paper grades
US5639351A (en) 1991-12-23 1997-06-17 Valmet Corporation Press section of a paper machine, in particular for printing paper qualities
DE59301463D1 (en) * 1992-11-24 1996-02-29 Voith Gmbh J M Press section for a paper machine
FI93237C (en) * 1993-06-11 1995-03-10 Valmet Tampella Inc Method and apparatus in a paper or cardboard machine for dewatering the web
FI112391B (en) * 1993-12-08 2003-11-28 Metso Paper Inc Paper machine press section using a long nip press
US5868904A (en) * 1993-12-08 1999-02-09 Valmet Corporation Press section employing an extended nip press with suction counter roll
US6368466B1 (en) * 1993-12-08 2002-04-09 Valmet Corporation Press section of a paper making machine employing an extended nip press
FI95610C (en) * 1994-10-06 1996-02-26 Valmet Paper Machinery Inc Press section of a paper machine equipped with a compensating press
US5876565A (en) * 1994-10-06 1999-03-02 Valmet Corporation Press section with an equalizing nip for compensating for elongation of a paper web
FI114227B (en) * 1995-04-24 2004-09-15 Metso Paper Inc Paper machine with press section and dryer section
DE19535343A1 (en) * 1995-09-25 1997-03-27 Voith Sulzer Papiermasch Gmbh Method and machine for producing fibrous webs
DE19609988A1 (en) * 1996-03-14 1997-09-18 Voith Sulzer Papiermasch Gmbh Press section of a paper machine
DE19702574A1 (en) 1997-01-24 1998-07-30 Voith Sulzer Papiermasch Gmbh Press arrangement
DE19705360A1 (en) 1997-02-12 1998-08-13 Voith Sulzer Papiermasch Gmbh Press device for dewatering or smoothing a fibrous web
DE19708967A1 (en) * 1997-03-05 1998-09-10 Voith Sulzer Papiermasch Gmbh Papermaking machine press section
DE19801891A1 (en) * 1998-01-20 1999-07-22 Voith Sulzer Papiertech Patent Press section
DE19802054A1 (en) 1998-01-21 1999-07-22 Voith Sulzer Papiertech Patent Press section
FI115649B (en) 1998-06-10 2005-06-15 Metso Paper Inc Method of making paper and paper machine
US6730192B1 (en) 1999-05-14 2004-05-04 Metso Paper, Inc. Method and machine for manufacturing printing paper or paperboard
CA2373205C (en) * 1999-05-14 2006-11-28 Metso Paper, Inc. Method and machine for manufacturing printing paper or paperboard
DE19934875A1 (en) 1999-07-24 2001-01-25 Voith Paper Patent Gmbh Paper machine
DE19938979A1 (en) * 1999-08-19 2001-02-22 Voith Paper Patent Gmbh Press section
AU7045900A (en) * 1999-09-06 2001-04-10 Metso Paper Karlstad Ab Board machine and method of manufacturing a multilayer cardboard web
EP1342839B1 (en) 2002-03-01 2006-11-22 Voith Patent GmbH Method and apparatus for measuring the hardness or compactness of a clothing
ATE376095T1 (en) * 2002-09-09 2007-11-15 Metso Paper Inc METHOD FOR PRODUCING CARDBOARD AND MACHINE FOR PRODUCING CARDBOARD
FI116400B (en) 2002-11-19 2005-11-15 Metso Paper Inc Press section in a paper or cardboard machine
DE10332906A1 (en) * 2003-07-19 2005-02-17 Voith Paper Patent Gmbh Press section to extract water from a wet web, in a machine for the production of paper/cardboard/tissue, has an extended roller press gap for the web and absorbent blankets with conditioning press rollers for the continuous blankets
DE10343215A1 (en) * 2003-09-18 2005-04-14 Voith Paper Patent Gmbh Roller with internal pressure shoe for papermaking or finishing, passes flexible roller casing between shoe and pressing component, guiding its edges against stationary end discs
JP2006257602A (en) * 2005-03-18 2006-09-28 Ichikawa Co Ltd Papermaking machine and method for recovery of papermaking/conveyer belt of papermaking machine
DE102007035548A1 (en) * 2007-07-28 2009-01-29 Voith Patent Gmbh Press arrangement
SE539535C2 (en) * 2013-11-07 2017-10-10 Stora Enso Oyj Process for dewatering a suspension comprising microfibrillated cellulose

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI81854C (en) * 1982-09-15 1990-12-10 Valmet Oy PRESS SPRING WITH PRESS SHEET I EN PAPER MACHINERY.
US4483745A (en) * 1982-09-29 1984-11-20 Beloit Corporation Method and apparatus of sheet transfer using a nonporous smooth surfaced belt
FI66932C (en) * 1983-01-10 1984-12-10 Valmet Oy ARRANGEMANG VID LAONGNYPSPRESS
DE3311998A1 (en) 1983-04-02 1984-10-04 J.M. Voith Gmbh, 7920 Heidenheim Belt press unit, preferably as a wet press of a paper machine
DE3328162C2 (en) 1983-08-04 1986-02-20 J.M. Voith Gmbh, 7920 Heidenheim Paper machine
US4561939A (en) 1984-03-26 1985-12-31 Beloit Corporation Extended nip press arrangement
FI842115A (en) * 1984-05-25 1985-11-26 Valmet Oy PRESS SPEAKER PRESS NYP I EN PAPPERSMASKIN.
FI842114A (en) * 1984-05-25 1985-11-26 Valmet Oy PRESSPARTI MED SEPARATA PRESSZON I EN PAPPERSMASKIN.
FI82500C (en) * 1985-02-18 1991-03-11 Valmet Oy Press section with separate press nip in a paper machine
ATE68540T1 (en) * 1987-04-14 1991-11-15 Voith Gmbh J M MACHINE FOR MAKING FIBROUS WEBS.
DE3742848C3 (en) * 1987-12-17 1996-06-13 Escher Wyss Gmbh Press section of a paper machine
DE3815278A1 (en) * 1988-05-05 1989-11-16 Voith Gmbh J M PRESS RELEASE OF A MACHINE FOR THE PRODUCTION OF A FIBROUS MATERIAL SHEET, IN PARTICULAR PAPER SHEET
SE461171C (en) * 1988-05-25 1992-05-15 Valmet Paper Machinery Inc LONG NYP PRESSES BEFORE PAPER OR CARTON MACHINERY
SE461154B (en) * 1988-05-25 1990-01-15 Valmet Paper Machinery Inc LONG NYP PRESSES BEFORE PAPER OR CARTON MACHINERY
FI82092C (en) * 1989-03-22 1991-01-10 Valmet Paper Machinery Inc long nip press
WO1991008339A1 (en) * 1989-11-27 1991-06-13 Beloit Corporation A press section apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10233924A1 (en) * 2002-07-25 2004-02-12 Voith Paper Patent Gmbh Papermaking process automatically monitors and corrects water drainage local distribution pattern within dewatering nip zone

Also Published As

Publication number Publication date
EP0487483A1 (en) 1992-05-27
FI96789B (en) 1996-05-15
CA2055927C (en) 1999-02-02
EP0770727B1 (en) 2002-06-05
DE69133030T2 (en) 2002-11-21
DE69133030D1 (en) 2002-07-11
FI96789C (en) 1996-08-26
EP0487483B1 (en) 1998-07-15
CA2055927A1 (en) 1992-05-24
FI905798A (en) 1992-05-24
DE69129788D1 (en) 1998-08-20
ATE168423T1 (en) 1998-08-15
EP0770727A1 (en) 1997-05-02
ATE218648T1 (en) 2002-06-15
FI905798A0 (en) 1990-11-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee