EP1378603A2 - Procédé de modification d'une machine de fabrication et de traitement d'une bande, de préférence de papier ou de carton - Google Patents

Procédé de modification d'une machine de fabrication et de traitement d'une bande, de préférence de papier ou de carton Download PDF

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Publication number
EP1378603A2
EP1378603A2 EP03101584A EP03101584A EP1378603A2 EP 1378603 A2 EP1378603 A2 EP 1378603A2 EP 03101584 A EP03101584 A EP 03101584A EP 03101584 A EP03101584 A EP 03101584A EP 1378603 A2 EP1378603 A2 EP 1378603A2
Authority
EP
European Patent Office
Prior art keywords
material web
application
application medium
section
medium
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Withdrawn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
EP03101584A
Other languages
German (de)
English (en)
Other versions
EP1378603A3 (fr
Inventor
Richard Dr. Aust
Christoph Henninger
Stefan Reich
Martin Dr. Tietz
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
Application filed by Voith Patent GmbH, Voith Paper Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1378603A2 publication Critical patent/EP1378603A2/fr
Publication of EP1378603A3 publication Critical patent/EP1378603A3/fr
Withdrawn legal-status Critical Current

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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
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper

Definitions

  • the invention relates generally to machines for manufacturing and treatment a material web preferably made of paper or cardboard, at least comprising: a material web forming device which is designed for from supplied starting material, preferably from a Fiber suspension to continuously form a web of material; one along a material web path after the material web forming device arranged drainage and drying section, which is designed to the running material web at least by thermal or / and mechanical action to withdraw water and the material web dry at least to a residual moisture content; one along the Material path arranged after the drainage and drying section Device for processing or / and recording or / and delivery of the Material web, preferably a material web winding device for Rolling up the material web on a respective material web roll.
  • the invention specifically relates to a machine related to such a machine Conversion process, a machine converted using the conversion process and an operating procedure for this machine.
  • Machines as mentioned above are comparatively large Number in use at different locations. Many of these machines have at least one along the material path between one Pre-dryer section and a dryer section of the drainage and Drying section arranged size press for applying a Application medium, in particular a surface sizing or / and Pigmentation, on at least one side of the running material web.
  • a size press often consists of two rubber-coated Rollers or a hard, possibly also zone-controlled roller and one soft roller on the continuous web about a glue solution or / and apply a pigment solution (in sump mode).
  • adhesive solutions often consist of starch, protein or Plastic dispersions and have among other things the task To make fiber interstices of the material web more difficult to wet, thus the material, such as paper, against the ingress of liquids becomes more resistant (wet strength). Absorbency is reduced Structural strength, pick resistance and eraser resistance are improved. The Drying of the surface sizing or surface pigmentation takes place in the after-dryer section.
  • Glue presses of the type mentioned are limited in their running speed, to typically about 800 to 1000 continuous material web meters per minute.
  • film presses are usually used instead of the glue presses mentioned in new installations, in which the application quantity is pre-metered with special application systems and then transferred to the continuous material web by means of two rollers. This enables precise control of the order quantity so that the order is more even across the entire web width.
  • film presses which could also be called “modern size presses" have the great advantage that they allow significantly higher running speeds with a correspondingly increased production capacity. It is therefore necessary to replace the size press with a film press if the running speed has to be increased in view of a larger production capacity.
  • the object of the invention is a method for converting the input addressed, a size press between the pre-dryer section and the To specify after-dryer section machine by which the Making the machine suitable for higher machine speeds, without additional drying capacity or dehumidification capacity in the Predrying section or provided in an existing press section must become.
  • an order based on gravity comes up Consideration of electrostatic forces.
  • the invention proposal is based on the knowledge that the increase in machine speed resulting in increase in Moisture content at the end of the pre-dryer section and thus the Input moisture for the one to be provided instead of the size press
  • Application device using a contactless application device or at least one contactless order work does not stand in the way, since one such application device better or larger input moisture can work properly as a film press. That's why it takes according to the invention proposal, the drying capacity of the pre-dryer section to compensate for the higher machine speed (based on a given drying installation, the drying capacity or Drying capacity when increasing the running speed) not increased become. Conversion measures on the pre-dryer section and / or on the existing press section, which may also relocate further components of the machine, in particular paper machine, are therefore unnecessary.
  • the proposed use of a contactless Applicator also has the advantage of performance (Runnability) is improved in contrast to a touching job.
  • the Danger of a web break at the order plant with the result that the entire production series comes to a standstill due to the contactless order significantly reduced. This applies regardless of whether Application medium applied to the material web on one or both sides becomes.
  • application devices can use a wide variety of application media are applied, for example a surface sizing or / and a Pigmentation.
  • Corresponding sizing or coating media are available Specialist available, and other suitable media are available for the Expert can be found easily.
  • the machine is preferred for carrying out a so-called Curtain coating process rebuilt.
  • at least one designed as a curtain application Contactless application also known as contactless coating
  • contactless application also known as contactless coating
  • the machine could also for the implementation of a so-called spray application process (Spray coating) can be converted.
  • At least one contactless applicator designed as a spray applicator (also known as a contactless coating system) is installed, which the Application medium in the form of application medium spray drops or Emits application medium rays to the material web, preferably at least predominantly based on the order medium at Issued from a nozzle arrangement of the application Movement impulses.
  • the curtain application process is compared to the spray application process preferred as a larger one based on the curtain application process Product quality is achievable and the curtain application process in the As a rule, less maintenance is required than the spray application process.
  • Applicator is mainly thought that the size press expanded and in their place in a vacant or from the outset free installation space the application device is installed. It will be like already hinted at, especially considering that the size press has been removed and the applicator is installed in its place without the Drying performance of the pre-dryer section increased through construction measures becomes. Furthermore, as already mentioned, special consideration is given to the fact that the Glue press removed and the application device installed in its place without the drying performance of the after-dryer section due to structural Measures is enlarged.
  • the method can be applied in relation to a machine to be converted be the at least one further material web treatment device having along the material path between the Material formation device and the dewatering and drying section or between the drainage and dryer section and the facility for processing or / and picking up and / or delivering the material web or between the pre-dryer section and the size press or between the Size press and the dryer section arranged or in the Material formation device or the dewatering and drying section or the pre-dryer section or the post-dryer section or the device for processing or / and picking up and / or delivering the material web is integrated.
  • Can be used as a further material web treatment device for example, a material web smoothing device at a suitable location be provided.
  • the invention further provides a machine in another aspect Production and treatment of a material web, preferably made of paper or carton ready, at least comprising: one Material web forming device which is designed for this purpose from supplied Starting material, preferably from a fiber suspension, continuously to form a web of material; one along a material path after the Material web forming device arranged drainage and Dryer section, which is designed for the running material web water at least by thermal and / or mechanical action withdraw and the material web at least to a residual moisture content to dry; at least one along the material path between one Pre-dryer section and a dryer section of the drainage and Applicator arranged for drying section for applying liquid or pasty application medium on at least one side of the current Web; one along the material path after the drainage and Drying section arranged device for processing or / and Picking up and / or delivering the material web, preferably one Material web winding device for rolling up the material web on a respective material web roll.
  • the machine according to the invention stands out characterized in that the application device as a contactless application device is formed and comprises at least one contactless application, which is designed to apply medium in at least one free Application medium jet or application medium curtain or Apply application medium veil or in application medium spray drops and to apply to the web of material based on that Order medium issued forces and / or movement impulses and / or on Basis of a movement of the application medium due to gravity, and that the machine by retrofitting at least one size press between the pre-dryer section and the post-dryer section Machine according to the inventive method as above is produced.
  • the application device as a contactless application device is formed and comprises at least one contactless application, which is designed to apply medium in at least one free Application medium jet or application medium curtain or Apply application medium veil or in application medium spray drops and to apply to the web of material based on that Order medium issued forces and / or movement impulses and / or on Basis of a movement of the application medium due to gravity, and that the machine by retrofitting at least one size press between the pre-dry
  • the machine can at least one contactless application work executed as a curtain application work have, which the application medium in the form at least a curtain or veil to the material web, preferably at least predominantly on the basis of gravity Movement of the application medium.
  • at least one can be used as a spray application executed contactless application work can be provided, which the application medium in the form of application medium spray drops or emits application medium jets onto the material web, preferably at least predominantly based on the order medium at Issued from a nozzle arrangement of the application Movement impulses.
  • the machine can do at least one more Have material web treatment device along the Material web path between the material web forming device and the Drainage and dryer section or between the drainage and Dryer section and the device for processing or / and absorption or / and delivery of the material web or between the pre-dryer section and the order facility or between the order facility and the After-dryer section arranged or in the material web forming device or the dewatering and drying section or the predrying section or the after-dryer section or the application device or the device for Processing or / and recording or / and delivery of the material web is integrated. For example, it is sent to a Material web smoothing device intended.
  • the invention also provides a method for operating a Ready machine according to the invention, which is characterized in that the Machine with a higher material web running speed than before Conversion is operated.
  • the machine is preferably operated in such a way that an input moisture the material web when entering the area of effect of Application device is greater than an input moisture of the material web when entering the area of operation of the size press before the conversion. It is also proposed that by means of the application device Application medium applied to at least one side of the material web that has a higher solids content than one before the conversion application medium applied by means of the size press.
  • the order of the Application medium is preferably done from the outset both in the correct dosage as well as in sufficient uniformity over the Surface of the material web, either on one side of the Material web or on both sides of the material web by means of at least a corresponding contactless order work. This doesn't mean that is applied in excess to the material web (so-called 1-to-1 application).
  • Application device is particularly advantageous if the material web low dryness, e.g. of about 10%.
  • FIG. 1 shows an example of a paper machine in one in sub-figure 1a) rough schematic representation on which the inventive method can be applied. It is the machine 10a for example a fourdrinier paper machine or the like.
  • the Paper machine 10a has a wire section 12a with the associated material structure and associated stock delivery system.
  • the stock feed system is for that formed a fiber suspension in a constant volume flow Feed headbox, and the headbox and wire section are used for Web formation through uniform fiber distribution and drainage as well for web guidance.
  • a press section 14a which serves in particular by pressing the material web for a to provide mechanical drainage of the same.
  • a drying section follows the press section along the material path 16a, in which the material web is dried thermally (thermal drainage).
  • the dryer section is between one Predrying section 16a-1 and post-drying section 16a-2 a size press 17a integrated, for applying a surface sizing or / and Pigmentation on the web of material is used.
  • Material web treatment devices can be provided, for example at least one coating unit 20a followed by at least one further Dryer section 22a (this is not mandatory) before the material path ends in a material web winding device 28a.
  • the film press 17b Due to the conversion work on the Predrying section 16a-1 and press section 14a was achieved such that the Film press 17b the material web despite the higher machine running speed with an input moisture that is necessary for a proper Operation of the film press is sufficient.
  • the conversion work on the Pre-dryer section lead due to the resulting structural extension to the fact that all subsequent components are spatially offset need to have installation space for the installation of the additional drying capacity create.
  • the film press 17b is opposite to that original location of the size press 17a in the direction of web travel offset and are accordingly also the after-dryer sections 16b-2 and, if available, the coating unit 20a and the further dryer section 22a and the material web winding device 28a spatially offset and accordingly in Fig. 1b with 20a ', 22a' and 28a 'respectively.
  • the size press 17a is now not replaced by a film press, but replaced by a contactless application device 17c, which in Installation space of the original size press 17a is arranged and none Increasing the drainage capacity or drying capacity of the Press section 14a or pre-dryer section 16a-1 makes necessary because the contactless application device 17c despite that due to the higher Machine running speed greater moisture content Work the material web properly at the entrance to the application device can.
  • an order medium can easily be made without contact with a higher solids content than with a size press or film press be applied so that the higher moisture content at the entrance of the Application device by a correspondingly more solid Order medium can be balanced and accordingly no problems with subsequent units of machine 10c.
  • the drying capacity of the Post-dryer section 16a-2 it is not necessary to use the drying capacity of the Post-dryer section 16a-2 to increase, but it is quite useful can be the after-dryer section with regard to the contactless Modify medium order, for example by installing a contactless Drying unit (e.g. based on infrared or hot air), if not from already available in advance.
  • a contactless Drying unit e.g. based on infrared or hot air
  • Fig. 2 shows an example of a possible implementation of the resulting Machine 10c in the area of the dryer section.
  • One can be recognized Drying device 30c of the predrying section 16a-1 which is used for thermal Drying of the material web M by means of circulating felt belts 32c press the material web M against heated drying cylinders 34c on which the material web M is subjected to so-called contact drying.
  • the felt belts 32c each serve to dry the felt belt Drying cylinder 36c assigned.
  • the material web M emerging from the drying device is over a guide roller arrangement by one for a two-sided order executed applicator 17c, the two curtain applicators each through a curtain dispensing head 52c-1 and 52c-2 are represented in FIG. 2.
  • the material web is over the Guide roller assembly first under the first dispensing head 52c-1 and then passed under the second dispensing head 52c-2 such that the first dispensing head 52c-1 the one and the second dispensing head 52c-2 the other side of the material web M with application medium in the form of a Curtains or veil dosed and without the need for a subsequent Equalization applied.
  • the respective delivery head dispenses metered application medium in the form of a Application medium veil or application medium curtain, which - at shown embodiment - based on the movement of gravity meets the upward facing side of the material web M.
  • the respective delivery head can advantageously edge guide elements or the like can be arranged for the curtain or the veil, as such known from the prior art (see, for example, DE 100 12 256 A1, DE 197 35 588 A1 and DE 195 13 531 A1).
  • an air guiding device 80c is provided which guides the material web M contactlessly on both sides into a contactless dryer 60c based on hot air or radiation and through it until it enters a contact drying device 70c corresponding to the drying device 30c provides. At least the drying device 70c was present from the start as part of the after-dryer section 16a-2. If contactless predrying is desired and a corresponding drying device was not available in the machine to be converted from the outset, a corresponding contactless dryer can generally be retrofitted within the space available without any major modifications to the subsequent components and assemblies of the machine close. A single-sided application from an application medium to the material web M is also sufficient for certain requirements.
  • the application head 52c-1 or the application head 52c-2 can be omitted, depending on which side of the material web is to be provided with application medium. A less complex guidance of the material web may then be required, and in particular, an air guiding device or the like will generally be dispensed with. If the available installation space is sufficient, an intermediate drying section can be provided between the curtain application units in the case of a medium application on both sides, as is customary for corresponding coating machines for offline operation.
  • a process for retrofitting one is proposed Machine for the production and treatment of a material web preferably made of paper or cardboard, in which a glue press previously used a contactless application device for applying liquid or pasty application medium on at least one side of the current Material web is replaced.
EP03101584A 2002-06-24 2003-06-02 Procédé de modification d'une machine de fabrication et de traitement d'une bande, de préférence de papier ou de carton Withdrawn EP1378603A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10228113 2002-06-24
DE2002128113 DE10228113A1 (de) 2002-06-24 2002-06-24 Verfahren zum Umrüsten einer Maschine zur Herstellung und Behandlung einer Materialbahn vorzugsweise aus Papier oder Karton und entsprechend umgerüstete Maschine mit einer Kontaktlos-Auftragsvorrichtung anstelle einer Leimpresse

Publications (2)

Publication Number Publication Date
EP1378603A2 true EP1378603A2 (fr) 2004-01-07
EP1378603A3 EP1378603A3 (fr) 2007-04-04

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EP03101584A Withdrawn EP1378603A3 (fr) 2002-06-24 2003-06-02 Procédé de modification d'une machine de fabrication et de traitement d'une bande, de préférence de papier ou de carton

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EP (1) EP1378603A3 (fr)
DE (1) DE10228113A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076702A1 (fr) * 2017-10-18 2019-04-25 Basf Se Procédé de production d'un papier multicouche
WO2019076703A1 (fr) * 2017-10-18 2019-04-25 Basf Se Procédé de fabrication de papier monocouche ou multicouche
RU2806261C2 (ru) * 2017-10-18 2023-10-30 Соленис Текнолоджиз Кеймэн, Л.П. Способ изготовления однослойной или многослойной бумаги

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10343052A1 (de) * 2003-09-16 2005-04-07 Voith Paper Patent Gmbh Verfahren zum Umbau einer Streichmaschine
DE10349122A1 (de) * 2003-10-22 2005-05-25 Voith Paper Patent Gmbh Maschine zum Auftragen eines flüssigen oder pastösen Auftragsmediums auf die beiden Oberflächen einer laufenden Materialbahn
DE102016123545B4 (de) * 2016-12-06 2019-02-07 Voith Patent Gmbh Verfahren zum Umbau eines Walzenaggregats zur Behandlung einer Faserstoffbahn

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DE19513531A1 (de) * 1995-04-10 1996-10-17 Du Pont Deutschland Verfahren und Vorrichtung zur Verminderung von Störungen beim Vorhanggießen
DE19735588A1 (de) * 1997-04-21 1999-02-18 Jagenberg Papiertech Gmbh Verfahren und Vorrichtung zum Auftragen einer Pigmentstreichfarbe auf eine Papier- oder Kartonbahn
WO1999064672A1 (fr) * 1998-06-10 1999-12-16 Valmet Corporation Procede de fabrication de papier et machine a papier
WO1999064671A1 (fr) * 1998-06-10 1999-12-16 Valmet Corporation Machine a papier integree
WO2000070144A1 (fr) * 1999-05-12 2000-11-23 Metso Paper, Inc. Procede de fabrication de papier et ligne de machine a papier
DE10012256A1 (de) * 2000-03-14 2001-09-20 Voith Paper Patent Gmbh Auftragsvorrichtung
WO2002038858A2 (fr) * 2000-11-09 2002-05-16 Metso Paper, Inc. Procede de fabrication de papier fin couche et ligne de fabrication de papier fin couche

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
DE19947942A1 (de) * 1999-10-06 2001-04-19 Metsae Tissue Oyj Espoo Tissue- und/oder tissueähnliches Material zur Herstellung von Küchenpapier, Toilettenpapier, Taschentücher, Saugeinlagen und ähnlichem

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19513531A1 (de) * 1995-04-10 1996-10-17 Du Pont Deutschland Verfahren und Vorrichtung zur Verminderung von Störungen beim Vorhanggießen
DE19735588A1 (de) * 1997-04-21 1999-02-18 Jagenberg Papiertech Gmbh Verfahren und Vorrichtung zum Auftragen einer Pigmentstreichfarbe auf eine Papier- oder Kartonbahn
WO1999064672A1 (fr) * 1998-06-10 1999-12-16 Valmet Corporation Procede de fabrication de papier et machine a papier
WO1999064671A1 (fr) * 1998-06-10 1999-12-16 Valmet Corporation Machine a papier integree
WO2000070144A1 (fr) * 1999-05-12 2000-11-23 Metso Paper, Inc. Procede de fabrication de papier et ligne de machine a papier
DE10012256A1 (de) * 2000-03-14 2001-09-20 Voith Paper Patent Gmbh Auftragsvorrichtung
WO2002038858A2 (fr) * 2000-11-09 2002-05-16 Metso Paper, Inc. Procede de fabrication de papier fin couche et ligne de fabrication de papier fin couche

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019076702A1 (fr) * 2017-10-18 2019-04-25 Basf Se Procédé de production d'un papier multicouche
WO2019076703A1 (fr) * 2017-10-18 2019-04-25 Basf Se Procédé de fabrication de papier monocouche ou multicouche
CN111566284A (zh) * 2017-10-18 2020-08-21 索理思科技开曼公司 生产单层纸或多层纸的方法
US11293143B2 (en) * 2017-10-18 2022-04-05 Solenis Technologies, L.P. Method for producing single-layer or multi-layer paper
US11680371B2 (en) 2017-10-18 2023-06-20 Solenis Technologies, L.P. Method for producing multi-layer paper
RU2806261C2 (ru) * 2017-10-18 2023-10-30 Соленис Текнолоджиз Кеймэн, Л.П. Способ изготовления однослойной или многослойной бумаги

Also Published As

Publication number Publication date
DE10228113A1 (de) 2004-01-15
EP1378603A3 (fr) 2007-04-04

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