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EP1697584A1 - Machine a papier - Google Patents

Machine a papier

Info

Publication number
EP1697584A1
EP1697584A1 EP04819253A EP04819253A EP1697584A1 EP 1697584 A1 EP1697584 A1 EP 1697584A1 EP 04819253 A EP04819253 A EP 04819253A EP 04819253 A EP04819253 A EP 04819253A EP 1697584 A1 EP1697584 A1 EP 1697584A1
Authority
EP
European Patent Office
Prior art keywords
press
paper
web
paper machine
machine according
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.)
Withdrawn
Application number
EP04819253A
Other languages
German (de)
English (en)
Inventor
Ulrich Begemann
Georg Kleiser
Hai-Van Nguyen
Jörg REUTER
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Voith Paper Patent GmbH
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
Priority claimed from DE2003155686 external-priority patent/DE10355686A1/de
Priority claimed from DE2003158218 external-priority patent/DE10358218A1/de
Priority claimed from DE10358833A external-priority patent/DE10358833A1/de
Priority claimed from DE102004003921A external-priority patent/DE102004003921A1/de
Application filed by Voith Patent GmbH, Voith Paper Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1697584A1 publication Critical patent/EP1697584A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus

Definitions

  • the film press is preceded by a smoothing unit, in particular a shoe calender.
  • the shoe calender is also used to gently smooth the paper web.
  • the thickness of the coating base paper can also be calibrated using the smoothing unit. Such a calibration is important so that the correct thickness for the application of the coating color can then be set in the subsequent film press.
  • the coating color is advantageously also mechanically and / or chemically deaerated in order to reduce the air content in it to less than 10%, preferably to less than 7%, measured in mass percent.
  • the invention enables the production at high speed of a paper web wound on a roll and suitable for gravure printing, which has a coating with a low weight; the paper web is therefore also referred to as “light weight coated”.
  • the sum of the measures shows that the roughness according to PPS-S10 of less than 6 ⁇ m, preferably less than 4 ⁇ m, is present on the side to be printed and that the Compressibility increased, the specific volume being in the size range of 0.9 to 1.0 crr Vg.
  • the invention further relates to a paper machine for producing a paper, cardboard, tissue or other fibrous web with a press section having at least one press nip and with an impingement flow dryer arranged immediately after the press section.
  • this object is achieved in a paper machine of the type mentioned at the outset in that it has an application unit for applying a coating color in the manner of a curtain or for film-like application or for spraying on coating color.
  • This paper machine is particularly suitable for the production of LWC ("light weight coated") - Suitable paper, which is characterized by good printability, especially in the field of gravure printing.
  • WFC papers wood-free coated
  • WFC papers wood-free coated
  • the finish of the paper is also very much determined by the possible calendering process.
  • the device for pre-calendering the paper web is preceded by at least one further device for applying liquid or pasty application medium to the paper web and a further device for drying the paper web in the running direction of the paper web.
  • the device for pre-calendering the paper web preferably comprises at least one smoothing unit, a soft calender having at least one nip, a super calender having at least one nip or a shoe calender having at least one wide nip.
  • the contactless device can have a curtain coating device or a spray coating device and the device contacting the paper web can have a coating device (JetFlow) or a film coating device.
  • the invention further relates to a method for applying an application medium.
  • the application takes place on the dried web in the form of coating color, glue or starch with appropriate application devices.
  • a device with the characterizing features of claim 12 is provided for carrying out the method.
  • FIG. 1 shows the schematic structure of a paper machine according to the invention according to the first aspect of the invention
  • FIG. 2 shows the schematic structure of a press section and a baffle flow dryer connected to it according to the second aspect of the invention
  • FIG. 3 shows a device for applying the coating color in the form of a curtain
  • 4 shows a device for the film-like application of coating color by means of film rollers;
  • a press section 6 adjoins the twin-wire former.
  • the press section 6 comprises, as shown, three press points 7, 8, 9.
  • the first two the press points 7, 8 form a tandem Nipco Flex press section, in each of which a roller 10, 11 interacts with a shoe press roller 12, 13.
  • Such a press section with two press stations is known, for example, from DE 100 22 087 A1, the disclosure of which is also added to the content of the present application.
  • the third press point 9 is an offset press.
  • the paper web is passed between a shoe roller 18 and a roller 19 of a shoe calender 20 used as a smoothing unit.
  • the paper web reaches a film press 23 having two film rolls 21, 22 via deflection rolls.
  • an application nozzle 61 or 62 applies an excess film of the coating color, which is doctored off by a doctor rod 63, 64, respectively.
  • the coating color can be applied to the film rollers 58, 59 in various ways, for example by means of the application nozzles 61, 62 shown in FIG. 3.
  • the doctor bars 63, 64 by means of which the excess coating color is again scraped off by the film rollers 58, 59, have depressions on their lateral surface, for example in the form of circumferential notches or beads, or they have a helical depression through which the ink is absorbed and also metered by the film roller 58 or 59.
  • a nozzle arrangement 65 (FIG. 4) is provided with two nozzle bars 66, 67 which extend over the entire width of the paper web 36 and from which the application medium is flat in the manner of a spray distributed on the paper web 36 is applied. It is possible to apply the application medium 1: 1 to the paper web 36.
  • An online process for producing the paper web can, for example, include a press section 35 having at least one press nip, an impingement flow dryer 47 arranged immediately after the press section 35, a first part of a drying section 68.1, an applicator unit 51 for applying a coating color in the manner of a curtain or for film-like application or for spraying on coating color and then have a second part of a dryer section 68.1 (FIG. 5).
  • Precalendering creates much better conditions for the contactless order process created. Among other things, this leads to better coating results due to lower requirements for the viscoelasticity of the application medium.
  • FIG. 10 also shows the quality ranges of wood-free coated paper webs which were produced in accordance with the previously known production processes. These are also within a preferably elliptical contour, which, however, has less favorable quality values and is shown in dashed lines.

Landscapes

  • Paper (AREA)

Abstract

L'invention concerne, entre autres, une machine à papier permettant la fabrication de papier héliographique à partir d'une suspension de matières fibreuses, qui est acheminée successivement à une partie toile (4), à une section de presses (6), à une sécherie (14, 17), à une presse à film (23) présentant un rouleau à film (21, 22) pour l'application d'une sauce de couchage et à une calandre (33), placée en aval de la Filmpresse (23), puis enroulée sur un rouleau à papier (34).
EP04819253A 2003-11-28 2004-11-24 Machine a papier Withdrawn EP1697584A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE2003155686 DE10355686A1 (de) 2003-11-28 2003-11-28 Papiermaschine
DE2003158218 DE10358218A1 (de) 2003-12-12 2003-12-12 Auftragsverfahren
DE10358833A DE10358833A1 (de) 2003-12-16 2003-12-16 Papiermaschine
DE102004003921A DE102004003921A1 (de) 2004-01-27 2004-01-27 Verfahren und Anordnung zur Herstellung einer holzfrei gestrichenen, matten oder halbmatten Papierbahn
PCT/EP2004/053086 WO2005052252A1 (fr) 2003-11-28 2004-11-24 Machine a papier

Publications (1)

Publication Number Publication Date
EP1697584A1 true EP1697584A1 (fr) 2006-09-06

Family

ID=34637231

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04819253A Withdrawn EP1697584A1 (fr) 2003-11-28 2004-11-24 Machine a papier

Country Status (3)

Country Link
US (2) US7871496B2 (fr)
EP (1) EP1697584A1 (fr)
WO (1) WO2005052252A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205220A1 (de) * 2002-02-08 2003-08-21 Voith Paper Patent Gmbh Verfahren und Vorrichtung zur Herstellung und Behandlung einer Materialbahn
WO2006003263A1 (fr) * 2004-07-02 2006-01-12 Metso Paper, Inc. Procede et appareil de revetement d'une toile fibreuse
DE102004036276A1 (de) * 2004-07-27 2006-02-16 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum Aufbringen eines Auftragmediums in einer Maschine zur Herstellung einer Faserstoffbahn
FI20065284A7 (fi) * 2006-05-02 2007-11-03 Metso Paper Inc Off-line tyyppisen paperikoneen tuotantolinjan modifiointiratkaisu
DE102007002514A1 (de) * 2007-01-17 2008-07-24 Voith Patent Gmbh Verfahren zum Herstellen von hochwertigen Papieren
DE102009020532B3 (de) * 2009-05-08 2010-10-07 Kurt Schramm Herstellungsstraße für Karton- und Wellpappenrohpapiere
FI123582B (fi) * 2010-04-29 2013-07-31 Metso Paper Inc Menetelmä ja laitteisto kuiturainan käsittelemiseksi
DE102010029615A1 (de) * 2010-06-02 2011-12-08 Voith Patent Gmbh Verfahren zur Herstellung einer gestrichenen, mehrlagigen Faserstoffbahn
DE102011076713A1 (de) 2011-05-30 2012-12-06 Voith Patent Gmbh Verfahren zur Herstellung einer holzfreien gestrichenen oder leichtgewichtig gestrichenen Papierbahn
EP2708645A1 (fr) * 2012-09-17 2014-03-19 Metso Paper Inc. Agencement et procédé de production de carton couché
CN105247136B (zh) * 2013-06-03 2019-06-14 王子控股株式会社 含微细纤维的片材的制造方法
CN104088189A (zh) * 2014-06-13 2014-10-08 浙江兰良实业有限公司 长网机
DE102019132446A1 (de) * 2019-11-29 2021-06-02 Voith Patent Gmbh Beschichtung von Faserstoffbahnen
EP3964644A1 (fr) * 2020-09-02 2022-03-09 Valmet Technologies Oy Calibreur

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048113A1 (fr) 1997-04-21 1998-10-29 Jagenberg Papiertechnik Gmbh Procede et dispositif pour appliquer un bain de couchage au pigment sur une bande de papier ou de carton

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411987C2 (de) 1994-04-08 1996-02-22 Feldmuehle Ag Stora Beidseitig gestrichenes Rollendruckpapier und Verfahren zu seiner Herstellung
DE29504034U1 (de) 1995-03-09 1995-05-04 Voith Sulzer Finishing GmbH, 47803 Krefeld Kalander für die zweiseitige Behandlung einer Papierbahn
DE19816673A1 (de) * 1998-04-15 1999-10-21 Voith Sulzer Papiertech Patent Preßwalze sowie Pressenanordnung mit wenigstens einer solchen Preßwalze
FI115649B (fi) * 1998-06-10 2005-06-15 Metso Paper Inc Menetelmä paperin valmistamiseksi ja paperikone
DE19841768A1 (de) 1998-09-11 2000-03-16 Voith Sulzer Papiertech Patent Trockenpartie
FI111476B (fi) * 1999-03-12 2003-07-31 Metso Paper Inc Menetelmä ja sovitelma päällystetyn paperin valmistamiseksi sekä päällystetty paperi
DE10012344A1 (de) 2000-03-14 2001-09-20 Voith Paper Patent Gmbh Vorhang-Auftragsverfahren
DE10022087A1 (de) 2000-05-08 2001-11-22 Voith Paper Patent Gmbh Pressenpartie für eine Papiermaschine
DE10033213A1 (de) 2000-07-07 2002-01-17 Voith Paper Patent Gmbh Verfahren und Vorrichtung zum ein- oder beidseitigen Auftragen
FI20002628A0 (fi) * 2000-11-30 2000-11-30 Valmet Corp Menetelmä ja laite paperi- tai kartonkikoneessa
DE10101866A1 (de) 2001-01-17 2002-07-18 Voith Paper Patent Gmbh Auftragsvorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998048113A1 (fr) 1997-04-21 1998-10-29 Jagenberg Papiertechnik Gmbh Procede et dispositif pour appliquer un bain de couchage au pigment sur une bande de papier ou de carton

Also Published As

Publication number Publication date
US20100175846A1 (en) 2010-07-15
WO2005052252A1 (fr) 2005-06-09
US7871496B2 (en) 2011-01-18
US8062479B2 (en) 2011-11-22
US20070089844A1 (en) 2007-04-26

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Inventor name: REUTER, JOERG

Inventor name: KLEISER, GEORG

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