EP2228489B1 - Dispositif et procédé de fabrication d'une bande de fibre multicouche - Google Patents

Dispositif et procédé de fabrication d'une bande de fibre multicouche Download PDF

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Publication number
EP2228489B1
EP2228489B1 EP20100002594 EP10002594A EP2228489B1 EP 2228489 B1 EP2228489 B1 EP 2228489B1 EP 20100002594 EP20100002594 EP 20100002594 EP 10002594 A EP10002594 A EP 10002594A EP 2228489 B1 EP2228489 B1 EP 2228489B1
Authority
EP
European Patent Office
Prior art keywords
medium
wetting
layer
paper
spraying
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.)
Not-in-force
Application number
EP20100002594
Other languages
German (de)
English (en)
Other versions
EP2228489A1 (fr
Inventor
Jan-Heiko Dr. Klingele
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.)
Klingele Papierwerke & Co KG GmbH
Original Assignee
Klingele Papierwerke & Co KG 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 Klingele Papierwerke & Co KG GmbH filed Critical Klingele Papierwerke & Co KG GmbH
Publication of EP2228489A1 publication Critical patent/EP2228489A1/fr
Application granted granted Critical
Publication of EP2228489B1 publication Critical patent/EP2228489B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • 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
    • D21F9/006—Complete machines for making continuous webs of paper of the twin-wire type paper or board consisting of two or more layers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G7/00—Damping devices
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • 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
    • D21H23/50—Spraying or projecting

Definitions

  • the invention relates to a method and an apparatus for producing multilayer fiber web according to the features of the preambles of independent claims 1 and 5.
  • the present invention relates to the production of a multilayer fibrous web, in particular in the paper or cardboard area.
  • a first and a second layer formed in a Vergautschzone be vergautscht together, in which they are fed through a respective sieve a Vergautschelement around which the second layer feeding second sieve is guided.
  • This second wire runs on the Vergautschelement before the carried by him second layer comes into contact with the first layer.
  • the EP 1 811 082 A1 at least one layer before its reaching the Vergautschzone at least slightly superheated steam is applied so as to effect a most extensive, preferably complete displacement of air from the Vergautschzone.
  • the superheated steam is output from a preferably web-wide steam blower.
  • WO 92/05310 discloses a method and an apparatus for producing multilayer coatings in which steam or water is introduced as a bonding agent between the layers.
  • the disclosed WO97 / 37838 A1 a method and an apparatus for producing multilayer fibrous webs, wherein an adhesive, for example starch, is applied for joining the layers.
  • the disclosed EP 1 388 608 A2 a wire section for producing a multilayer fibrous web. It is applied to one of the layers, before merging the layers of a glue sump in the inlet gusset.
  • the object of the invention is to increase the strength of the base paper and the subsequent end product.
  • At least one layer is wetted with a medium before being juxtaposed with the other layer.
  • the medium to be atomized is atomized by means of a second medium. This has the advantage that the suspension controlled by the second medium is atomized controlled and the degree of atomization is precisely adjustable.
  • This way of applying the medium has the advantage that the medium can have a much higher solids content.
  • the atomization of the liquid medium takes place via a control of the flow rate at a corresponding spraying device and / or the pressure control of a second medium, for example compressed air, in order to achieve the desired atomization degree of the suspension.
  • a second medium for example compressed air
  • the wetting device is a spray bar, which is arranged in front of a so-called Vergautschungsvorraum in which two layers of base paper are stacked.
  • Vergautschungsvorraum in which two layers of base paper are stacked.
  • the wetting device has a spray bar on which a number of spray devices are provided, with which the suspension can be atomized, so that a sufficient areal and uniform atomization or wetting of the individual layers with the suspension can take place.
  • FIG. 1 the arrangement of a wetting device P according to the invention in a raw paper production plant is shown schematically.
  • a first paper ply 34 is fed to a second paper ply 35, each made of raw paper, to a scarfing element 40 for applying the first paper ply 34 to the second paper ply 35.
  • an inventive wetting device P is arranged. With the wetting device P, a suspension is sprayed as a spray 38 on the first and the second paper layer 34, 35, which penetrates into the paper layers.
  • the wetting device P can have two spray bars 1, 1 'according to the invention or else only one spray bar 1 or 1', in which case only one of the paper layers 34, 35 is wetted.
  • FIGS. 2 and 3 the inventive wetting device P is shown with a spray bar 1 having a number of fasteners 2, wherein a spray device 3 is attached to each fastener 2.
  • a first medium to be atomized which is a suspension of water and starch, is atomized by means of a second medium.
  • the fasteners 2 have several functions. At the fasteners 2, the respective sprayers 3 are releasably attached. Furthermore, discrete lines (not shown) are provided in the fastening elements 2, by means of which the media for spraying and atomizing and for controlling the spraying device 3 are supplied or forwarded to the next fastening element 2.
  • a connection element 12 attached to the one end section of the spray bar 1 has in its peripheral sides a plurality of connections 13-15 for supplying the first and second medium and a connection for discharging the excess first medium.
  • the connection element 12 has in its front side a spray medium inlet connection 13 and a control medium inlet connection 14, in its upper side (FIG. FIG. 2 ) has a sputtering media inlet port 15 and a spray medium drain port in its backside (not shown).
  • a closure member 4 attached to the other end portion closes off the discrete conduits or returns excess spray medium back to the spray medium drain port.
  • the functioning of the wetting apparatus according to the invention is the following:
  • the spray bar 1 via the connecting element 12, the necessary media, such as spray medium (suspension), control medium (for controlling the spray 3) and the sputtering medium (compressed gas for atomizing the spray medium), via the corresponding terminals 13 - 15 via discrete supply lines (not shown) fed.
  • the connecting element 12 directs the pressurized media in its and formed in the fasteners 2 discrete lines to the individual sprayers 3, which spray or nebulise the suspension on the paper layers accordingly.

Landscapes

  • Paper (AREA)
  • Nozzles (AREA)

Claims (8)

  1. Procédé de fabrication d'une bande de fibres multicouche, en particulier de papier brut multicouche, dans lequel au moins deux couches de papier (34, 35) sont écartées l'une de l'autre et au moins une couche (34, 35) est, avant la juxtaposition avec l'autre couche, humidifiée à l'aide d'un dispositif d'humidification (P) par un premier fluide qui est une suspension composée d'un mélange de liquide et d'amidon,
    caractérisé par le fait
    que l'au moins une couche présente, lorsqu'elle atteint le dispositif d'humidification, encore une teneur en eau d'environ 50%.
  2. Procédé selon la revendication 1, caractérisé par le fait que le premier fluide pour l'humidification est pulvérisé au moyen d'un deuxième fluide.
  3. Procédé selon la revendication 2, caractérisé par le fait que le degré de pulvérisation du premier fluide est réglé par son débit et/ou la pression dans le deuxième fluide.
  4. Procédé selon la revendication 2 ou 3, caractérisé par le fait que le deuxième fluide est un agent gonflant, en particulier un gaz.
  5. Dispositif de fabrication d'une bande de fibres muticouche, en particulier de papier brut multicouche, dans lequel deux couches de papier (34, 35) sont juxtaposées, au moins à une couche (34, 35) étant associé un dispositif d'humidification (P, P') qui convient pour humidifier l'au moins une couche par un premier fluide, et qui est disposé devant un dispositif de couchage (36) destiné à la juxtaposition de couches de papier (34, 35) individuelles, le premier fluide étant une suspension composée d'un mélange de liquide et d'amidon, caractérisé par le fait que l'au moins une couche présente, lorsqu'elle atteint le dispositif d'humidification, encore une teneur en eau d'environ 50%.
  6. Dispositif selon la revendication 5, caractérisé par le fait que le dispositif d'humidification (P, P'), présente au moins un dispositif de pulvérisation par jet (3).
  7. Dispositif selon la revendication 6, caractérisé par le fait que le dispositif de pulvérisation par jet (3) est disposé sur une poutre d'arrosage (1, 1').
  8. Dispositif selon la revendication 6 ou 7, caractérisé par le fait que le dispositif de pulvérisation par jet (3) présente au moins une connexion (13) destinée à connecter le dispositif de pulvérisation par jet (3) au premier fluide et une connexion (14, 15) destinée à connecter le dispositif de pulvérisation par jet (3) à un deuxième fluide.
EP20100002594 2009-03-12 2010-03-12 Dispositif et procédé de fabrication d'une bande de fibre multicouche Not-in-force EP2228489B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009012476A DE102009012476A1 (de) 2009-03-12 2009-03-12 Vorrichtung und Verfahren zum Herstellen von mehrlagiger Faserbahn

Publications (2)

Publication Number Publication Date
EP2228489A1 EP2228489A1 (fr) 2010-09-15
EP2228489B1 true EP2228489B1 (fr) 2012-10-17

Family

ID=42129785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100002594 Not-in-force EP2228489B1 (fr) 2009-03-12 2010-03-12 Dispositif et procédé de fabrication d'une bande de fibre multicouche

Country Status (2)

Country Link
EP (1) EP2228489B1 (fr)
DE (1) DE102009012476A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076693A (ko) * 2017-10-31 2020-06-29 킴벌리-클라크 월드와이드, 인크. 압축된 바인딩을 갖는 시트의 흡수성 적층체

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89290C (fi) 1990-09-20 1993-09-10 Tampella Oy Ab Foerfarande och anordning foer framstaellning av flerskitsbana
US6136422A (en) 1996-04-05 2000-10-24 Eatern Pulp & Paper Corporation Spray bonded multi-ply tissue
DE10231512A1 (de) 2002-07-12 2004-01-22 Voith Paper Patent Gmbh Siebpartie zur Herstellung einer mehrlagigen Faserstoffbahn
DE102006000006A1 (de) 2006-01-11 2007-07-12 Voith Patent Gmbh Verfahren und Vorrichtung zur Herstellung einer mehrlagigen Faserstoffbahn

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Publication number Publication date
DE102009012476A1 (de) 2010-09-23
EP2228489A1 (fr) 2010-09-15

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