EP1784538A1 - Procede et dispositif pour appliquer un agent d'enduction dans une machine a fabriquer une bande de matiere fibreuse - Google Patents

Procede et dispositif pour appliquer un agent d'enduction dans une machine a fabriquer une bande de matiere fibreuse

Info

Publication number
EP1784538A1
EP1784538A1 EP05769910A EP05769910A EP1784538A1 EP 1784538 A1 EP1784538 A1 EP 1784538A1 EP 05769910 A EP05769910 A EP 05769910A EP 05769910 A EP05769910 A EP 05769910A EP 1784538 A1 EP1784538 A1 EP 1784538A1
Authority
EP
European Patent Office
Prior art keywords
press
fibrous web
application
employed
applying
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Withdrawn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
EP05769910A
Other languages
German (de)
English (en)
Inventor
Wilhelm Gansberger
Martin Vogt
Georg Bacovsky
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
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1784538A1 publication Critical patent/EP1784538A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/24—Addition to the formed paper during paper manufacture
    • D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
    • D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
    • 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
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/009—Apparatus for glaze-coating paper webs
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D21H23/58—Details thereof, e.g. surface characteristics, peripheral speed
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • D21H23/72—Plural serial stages only

Definitions

  • the invention relates to a machine for producing a paper, cardboard, or another fibrous web with a press section having at least one press nip formed by two press rolls, in which a device for applying a medium, in particular starch, is arranged, wherein the fibrous web co-exists with a band can be guided through the press nip.
  • DE 100 33 213 A1 describes a method and a device for applying a liquid to pasty medium, preferably starch, onto a material web, preferably from paper or cardboard, in particular corrugated cardboard, on one or both sides. or on both sides with an order and then passes through a press nip.
  • the starch is applied to applicator rollers according to an embodiment.
  • a disadvantage of this solution is that before the application unit no closed web guide is available. Due to free traction and as a result of the still low strength of the fibrous web in the press section, especially in the case of a low mass per unit area, for example at less than 125 g / cm 2 , more and more breaks occur in the production process.
  • WO 99/22067 discloses a method and a device for applying a pasty application medium to a moving web of material, the web of material first being formed in a twin-wire zone of a paper machine and a liquid or non-stick at least on one side pasty coating medium is applied to the web.
  • a further application device for the application of a liquid or pasty application medium to the material web is present.
  • a first application device sprays a coating medium onto the web while passing it over a suction roll by means of a felt.
  • a second application device sprays a coating medium onto the surface of a transfer belt, from which the application medium is subsequently transferred to the web. Both application devices are arranged in front of the first press nip.
  • this object is achieved in a machine of the type mentioned above in that the device is employed on at least one of the press rollers for indirect application to the fibrous web.
  • the at least one device is employed for application to the lateral surface of one of the press rolls and the order applied to the lateral surface can be transferred to the fibrous web in the press nip.
  • the press roll, to which the application device is set can in particular also be a shoe press roll be.
  • the position of the shoe press roll cooperating with a regular cylindrical press roll is either on the lower or on the upper side.
  • the press rolls are arranged either vertically or inclined to each other.
  • an additional employed to the press roller conditioning or cleaning device comprises, for example, a spray unit for applying water, in particular in conjunction with a chemical aid, and / or a scraper or a brush for removing deposits from the press roll.
  • the at least one device for application to a belt in particular in the region of the lateral surface of one of the press rollers, is employed and that the applied to the lateral surface order in the press nip on the fibrous web is transferable.
  • a conditioning or cleaning device is employed, which may have the same structure as a staff employed on a press roller cleaning device.
  • a fast drying of the applied application medium is achieved when, in the web running direction after the press nip, a drying device is employed for drying the application to the fibrous web.
  • the white water of the first cycle comes from the first dewatering section and is recirculated shortly before the headbox.
  • Water originating from a second white water cycle is treated, for example, via disk filters and used, for example, as sprayed water.
  • the starch-enriched water from the press section does not fed to these two Siebwassernik conceptn, but fed at a suitable point again in the starch processing process.
  • a further application device for applying a medium, in particular of starch is arranged.
  • Fig. 1 shows a press section, in front of the press nip on both sides of
  • FIG. 2 the press section of FIG. 1, in which an order takes place exclusively on the shoe press roll
  • Fig. 3 shows the press section according to Fig. 1, in which an order takes place exclusively on the press roll, in conjunction with a portion of a subsequent drying section.
  • an application medium in particular starch
  • a press section 2 with a press nip 5 formed by a press roller 3 and a shoe press roller 4.
  • the applicator 6 carries the application medium on the lateral surface of the press roller 3, while the applicator 7, the application medium on a felt or a belt 8 applies.
  • the order on the belt 8 is preferably in the region of the lateral surface of the shoe press roll 4, but may also take place before.
  • the fibrous web 1 takes in the press nip 5 on both sides of the application medium.
  • cleaning or conditioning devices 10 and 11 are employed both on the lateral surface of the press roller 3 and on the belt 8. In each case a cleaning liquid is applied. This removes in each case, in addition, for example, supported by mechanical cleaning agents, impurities from the lateral surface or from the belt 8.
  • the conditioning device 11 preferably also comprises a scraper 12th
  • a tensioning device 13 and a controller 14 are also employed.
  • the fibrous web 1 is sucked by a suction roller 15 to a transfer belt 16 and passed through a drying section with drying cylinders 17.
  • the fibrous web 1 is provided on one side over the band 8 with an application only by the applicator 7. Between the suction roller 15 and the drying cylinder 17, a further drying unit 18 is arranged.
  • an application is only applied to the press roller 3 by the application device 6.
  • the structure of the press section 2 is the same, as shown in Fig. 1 or 2.
  • drying section 19 which includes the drying cylinder 18 and evacuated guide rollers 20, is applied to the fibrous web 2 by another application device 21 on the lower side also an order.
  • the application device 21 comprises a spray unit 22, which first applies the medium to the outer surface of a transfer roller 23; from this, the medium is transferred to the fibrous web 1.
  • a conditioning or cleaning unit 24 is employed to the transfer roller 23.
  • contaminated Cleaning fluid is removed via a drainage channel 25.

Landscapes

  • Paper (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne une machine pour la fabrication d'une bande de papier, de carton ou d'une autre matière fibreuse (1), cette machine comportant une section de presses (2) pourvue d'au moins une ligne de contact (5) formée par deux rouleaux compresseurs (3, 4), un dispositif (6, 7) d'enduction d'un agent, notamment d'amidon, étant monté dans la section de presses. Selon l'invention, la bande de matière fibreuse (1) est guidée avec une bande (8) à travers la ligne de contact (5). L'invention est caractérisée en ce que le dispositif (6, 7), sur au moins un des rouleaux compresseurs (3, 4) est disposé pour l'application indirecte sur la bande de matière fibreuse (1).
EP05769910A 2004-07-27 2005-07-25 Procede et dispositif pour appliquer un agent d'enduction dans une machine a fabriquer une bande de matiere fibreuse Withdrawn EP1784538A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004036276A DE102004036276A1 (de) 2004-07-27 2004-07-27 Verfahren und Vorrichtung zum Aufbringen eines Auftragmediums in einer Maschine zur Herstellung einer Faserstoffbahn
PCT/EP2005/053600 WO2006010747A1 (fr) 2004-07-27 2005-07-25 Procede et dispositif pour appliquer un agent d'enduction dans une machine a fabriquer une bande de matiere fibreuse

Publications (1)

Publication Number Publication Date
EP1784538A1 true EP1784538A1 (fr) 2007-05-16

Family

ID=34973101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05769910A Withdrawn EP1784538A1 (fr) 2004-07-27 2005-07-25 Procede et dispositif pour appliquer un agent d'enduction dans une machine a fabriquer une bande de matiere fibreuse

Country Status (6)

Country Link
US (1) US20080314544A1 (fr)
EP (1) EP1784538A1 (fr)
JP (1) JP2008508434A (fr)
CN (1) CN1993521A (fr)
DE (1) DE102004036276A1 (fr)
WO (1) WO2006010747A1 (fr)

Families Citing this family (11)

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DE102008000282A1 (de) * 2008-02-12 2009-08-13 Voith Patent Gmbh Verfahren und Vorrichtung zum Auftragen und Trocknen eines Mediums
SE532156C2 (sv) * 2008-03-06 2009-11-03 Tetra Laval Holdings & Finance Lamineringsstation för laminering av en papp-eller kartongbana
DE102008041520A1 (de) * 2008-08-25 2010-03-04 Voith Patent Gmbh Beschichtungsanordnung
DE102010029580A1 (de) * 2010-06-01 2011-12-01 Voith Patent Gmbh Maschine zur Herstellung einer Papierbahn insbesondere Sackpapierbahn
CN102828368B (zh) * 2011-06-16 2014-06-11 苏州市职业大学 一种织物表面功能性处理方法及装置
CN102828411B (zh) * 2011-06-16 2014-04-30 苏州市职业大学 一种防腐防霉宋锦织物及其制造方法
CN102493280A (zh) * 2011-12-02 2012-06-13 牡丹江恒丰纸业股份有限公司 一种具有阻燃带的卷烟纸的制造装置及制备方法
DE102018100489A1 (de) * 2018-01-11 2019-07-11 Voith Patent Gmbh Auftragsverfahren und Vorrichtung
AU2019266367B2 (en) * 2018-05-11 2020-03-19 Ecochem Australia Pty Ltd Compositions, methods and systems for removal of starch
DE102019132446A1 (de) * 2019-11-29 2021-06-02 Voith Patent Gmbh Beschichtung von Faserstoffbahnen
DE102020125040A1 (de) 2020-09-25 2022-03-31 Voith Patent Gmbh Maschine und verfahren zur herstellung und/oder behandlung einer wellpappenrohpapierbahn

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Also Published As

Publication number Publication date
DE102004036276A1 (de) 2006-02-16
WO2006010747A1 (fr) 2006-02-02
CN1993521A (zh) 2007-07-04
JP2008508434A (ja) 2008-03-21
US20080314544A1 (en) 2008-12-25

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