WO2004001131A2 - Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit - Google Patents
Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit Download PDFInfo
- Publication number
- WO2004001131A2 WO2004001131A2 PCT/EP2003/050208 EP0350208W WO2004001131A2 WO 2004001131 A2 WO2004001131 A2 WO 2004001131A2 EP 0350208 W EP0350208 W EP 0350208W WO 2004001131 A2 WO2004001131 A2 WO 2004001131A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- material web
- application
- drying
- application medium
- contactless
- Prior art date
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
- D21H23/70—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
- Machine for producing and treating a material web with an application device having at least one contactless application unit
- the invention relates to a machine for producing and treating a material web, preferably made of paper or cardboard, at least comprising: a material web forming device which is designed to continuously form a material web from supplied starting material, preferably from a fiber suspension; a dewatering and drying section arranged along a material web path after the material web forming device, which is designed to remove water from the running material web at least by thermal and / or mechanical action and to dry the material web at least to a residual moisture content; at least one application device arranged along the material web path after the dewatering and drying section for applying liquid or pasty application medium to at least one side of the running material web; a drying device arranged along the material web path after the application device for drying the running material web to a final drying state; a device arranged along the material web path after the drying device for processing or / and picking up and / or delivering the material web, preferably a material web winding device for rolling up the material web onto a respective material web roll.
- offline operation has a lower volume efficiency.
- the object of the invention is to improve the performance or runnability of the machine mentioned at the outset without having to accept the loss in quantity of the offline concept.
- the application device comprises at least one contactless application unit which is designed to dispense application medium in at least one free application medium jet or application medium curtain or application medium veil or in application medium spray drops and to apply it to the material web Basis of the forces or / and movement impulses given by the application medium and / or on the basis of a movement of the application medium caused by gravity.
- an order based on electrostatic forces can be considered, for example.
- contactless application of the application medium to at least one side of the material web in particular contactless (one-sided or double-sided) painting of the material web in online operation in the machine (in particular paper machine) is made possible.
- contactless one-sided or double-sided
- a so-called curtain coating method is preferably used.
- At least one contactless application unit designed as a curtain application unit which delivers the application medium to the material web in the form of at least one curtain or veil, preferably at least predominantly on the basis of a movement of the application medium due to gravity.
- a so-called spray coating process could also be used.
- at least one contactless application unit designed as a spray application unit is provided, which delivers the application medium to the material web in the form of application medium spray drops or application medium jets, preferably at least predominantly on the basis of the application medium when it emerges from a nozzle arrangement of the application unit movement impulses.
- the curtain application process is preferred over the spray application process, since a higher product quality can be achieved on the basis of the curtain application process and the curtain application process generally entails less maintenance work than the spray application process.
- the machine according to the invention can have at least one further material web treatment device.
- a further material web treatment device can be along the material web path between the material web forming device and the dewatering and drying section or between the dewatering and drying section and the application device or between the application device and the drying device or between the drying device and the device for processing or / and picking up and / or Dispensing the material web arranged or integrated into the material web forming device or the dewatering and drying section or the application device or the drying device or the device for processing or / and picking up and / or delivering the material web.
- At least one material web smoothing device is provided as a further material web treatment device.
- a material smoothing device arranged along the material path in front of the application device.
- the material web smoothing device is preferably arranged between the dewatering and drying section and the application device or integrated into the dewatering and drying section.
- the material web smoothing device is designed to smooth the material web at least on one side in such a way that a material web roughness of between 5 ⁇ m, preferably of at most 3 ⁇ m, remains.
- These material web roughness values preferably relate to values determined using the PPS method (Parker Print Surve): roughness (PPS - 10s) ⁇ 5 ⁇ m, better ⁇ 3 ⁇ m.
- the main consideration is that these roughness values are achieved on the basis of normal operating parameters of the machine.
- a material web smoothing device is provided along the material web path after the application device. In principle, this applies regardless of whether or not a material web smoothing device is provided in front of the application device.
- a smoothing unit from the group of soft nip calenders, wide nip calenders and hard nip calenders can advantageously be used as the material web smoothing device.
- contactless application by means of an appropriate application device is also particularly advantageous when application medium is applied to the running material web at several application points in the machine.
- the material web is less stressed by the contactless application of the application medium than by a contacting application, so that the risk of web breaks is reduced and accordingly the performance or runnability is improved.
- the invention further relates to the use of a contactless application unit, in particular a curtain application unit or spray application unit, for applying a liquid or pasty application medium to a running material web, preferably made of paper or cardboard.
- a contactless application unit in particular a curtain application unit or spray application unit
- the contactless applicator is used in an online process within a machine for producing or treating the material web in order to apply a liquid or pasty application medium to a running material web, preferably made of paper or cardboard.
- the contactless application of the application medium in particular the contactless application of paint
- the application medium is therefore preferably applied from the outset both in the correct dosage and in sufficient uniformity over the surface of the material web. This means that no excess is applied to the material web (so-called 1-to-1 application).
- FIG. 1 shows schematically three examples of possible configurations of a machine according to the invention for producing and treating a web of paper or cardboard.
- FIG. 1 shows in the partial figures 1a, 1b and 1c an example of a paper machine according to the invention in a roughly schematic representation.
- the paper machine 10a, 10b and 10c has one
- the stock delivery system is designed for one
- Fiber suspension in a constant volume flow to the headbox feed, and the headbox and the wire section are used for web formation by uniform fiber distribution and dewatering and for web guidance.
- this section is followed by a press section 14a, 14b or 14c, which is used in particular to ensure mechanical dewatering of the material web by pressing it.
- the press section is followed by a drying section 16a, 1 ⁇ b or 16c along the material web path, in which the material web is dried by thermal means (thermal dewatering).
- a material web smoothing device 18a, 18b or 18c for example a so-called calender (for example a soft nip calender or wide nip calender) or a smoothing unit of another suitable type, is arranged after the drying section.
- a so-called calender for example a soft nip calender or wide nip calender
- a smoothing unit of another suitable type is arranged after the drying section.
- a contactless coating unit 20a or 20b or 20c is arranged along the material web path after the smoothing unit as an application device, preferably a so-called curtain application unit which applies application medium (in particular coating medium) to one side of the material web in a contactless manner, in the case of the curtain applicator preferably at least predominantly on the basis of a movement of the application medium emerging from a gap nozzle or the like in a so-called curtain or veil due to gravity.
- the order is placed either on the side of the material web that can be identified as the top side at least over the largest part of the entire material web path, or on that side of the material web that can be identified as the bottom side of the material web at least over the largest part of the material web path in the Area of the commissioned work, however, may be oriented upwards in some areas.
- the application unit or coating unit 20a or 20b is followed by a final drying section 22a or an intermediate drying section 22b, while the coating unit 20c is followed by a further coating unit 24c applying medium to the other side of the material web, which, like the coating unit 20c, applies application medium in a contactless manner applies to the material web.
- a further coating unit 24c applying medium to the other side of the material web, which, like the coating unit 20c, applies application medium in a contactless manner applies to the material web.
- such is one another coating unit 24b arranged after the intermediate drying section 22b.
- the coating unit 24b or 24c is followed by a final drying section 26b or 26c along the material web path, and at the end of the material web path there is in the case of all three examples a material web reeling device 28a, 28b or 28c which is used to roll up the material web coated on one or both sides so-called drum tours.
- FIG. 2 shows a first example of a possible concretization of the machine 10a according to FIG. 1.
- a drying device 30a-1 of the drying section 16a can be seen, which is used for the thermal drying of the material web M by means of circulating felt belts 32a-1, which the material web M presses against heated drying cylinders 34a-1, on which the material web M is subjected to so-called contact drying.
- the felt belts 32a-1 are each assigned a drying cylinder 36a-1 which serves to dry the felt belt.
- the material web M emerging from the drying device 30a-1 is guided via a guide roller arrangement 38a-1 through a smoothing unit 40a-1 of the material web smoothing device 18a, which is represented by two smoothing rollers 42a-1 and 44a-1 acting on the material web M on both sides.
- a smoothing unit 40a-1 of the material web smoothing device 18a which is represented by two smoothing rollers 42a-1 and 44a-1 acting on the material web M on both sides.
- it can be a so-called soft nip smoothing unit or a wide nip smoothing unit.
- the material web is guided via a further guide roller arrangement 46a-1 through an application device 20a-1 which has a curtain application unit which is represented by a dispensing head 52a-1.
- the dispensing head dispenses metered application medium in the form of an application medium veil or application medium curtain which - in the exemplary embodiment shown - hits the upper side of the material web M on the basis of the movement of gravity and remains on this side of the material web without further metering and equalization to provide the desired order or line.
- Edge delivery elements or the like for the curtain or the veil can advantageously be assigned to the dispensing head 52a-1, as is known per se from the prior art (cf. for example DE 100 12 256 A1, DE 197 35 588 A1 and DE 195 13 531 A1 ).
- the material web M provided or coated with the medium application then enters a convection or hot air dryer 60a-1 as an example of a contactless drying device, in which the material web M or the application medium applied thereon is dried to such an extent that subsequently a further drying device 70a -1 in the manner of drying device 30a-1, contact drying of the material web can take place without loss of quality.
- the drying device 70a-1 belongs together with the dryer 60a-1 to the final drying section 23a.
- the material web reeling device 28 a adjoins the final drying section 22 a. But there could still be further material web treatment facilities of the
- Be upstream of the material web winding device for example another smoothing unit.
- FIG. 3 Another possibility of concretizing the machine 10a according to FIG. 1a is shown in FIG. 3. 2, a smoothing unit 40a-2 corresponding to the smoothing unit 40a-1 according to FIG. 2, and an application device 20a-2, the curtain application unit of which in turn is provided by a drying unit 30a-2 Dispensing head is represented, which is designated in Fig. 3 with 52a-2.
- the material web M is guided via a guide roller arrangement 46a-2 in such a way that, in comparison to the example in FIG. 2, the other material web side is provided with a medium application without contact. Edge delivery elements and the like for the curtain or veil made of application medium can in turn be assigned to the dispensing head 52a-2.
- a contactless drying device 60a-2 Via a contactless drying device 60a-2, which, in addition to a contactless drying function based on hot air, also performs a contactless guiding and deflecting function in relation to the material web M similar to a so-called air turn, the material web is then transferred to a further drying device 70a-2 in the Type of drying device 30a-1 according to FIG. 2, which together with the drying device 60a-2 can be attributed to the final drying section 22a.
- a configuration corresponding to FIG. 1b can be obtained, for example, by arranging a machine section corresponding to FIG. 2 and a machine section corresponding to FIG. 3 in a machine.
- Fig. 4 shows a corresponding example.
- a drying device 30b-1, a smoothing unit 40b, an application device 20b with a curtain application unit represented by a dispensing head 52b-1, a contactless dryer 60b-1, a further contact drying device 30b-2 and an application device 24b are also arranged in the material web running direction a curtain applicator represented by a dispensing head 52b-2, a contactless drying and guiding or deflecting device 60b-2 and a further contact drying device 70b.
- the dryer 60b-1 and the drying device 30b-2 form the intermediate drying section 22b according to FIG. 1b.
- FIG. 5 shows a corresponding example that a specification of a machine corresponds to the configuration according to FIG. 1c.
- a contact drying device designated 30c corresponding to the device 30a-1 a smoothing unit 40c, a first curtain dispensing head 52c-1 of a first contactless application device 20c, a second dispensing head 52c-2 of a second contactless application device 24c Contactless dryer 60c and a further contact drying device 70c corresponding to device 30a-1 according to FIG. 2.
- the material web is fed from the smoothing unit 40c via a guide roller arrangement 46c first under the first delivery head 52c-1 and then under the second delivery head 52c-2 passed such that the first dispensing head 52c-1 doses one and the second dispensing head 60c-2 the other side of the material web M with application medium in the form of a curtain or veil and without the need for a subsequent one Equalization applied.
- an air guiding device 80c is provided, which ensures that the material web M is guided contactlessly on both sides into the dryer 60c and through it until it enters the contact drying device 70c.
Landscapes
- Paper (AREA)
- Coating Apparatus (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004514870A JP2005530931A (en) | 2002-06-24 | 2003-06-02 | Machine for manufacturing and processing sheet material comprising a coating device comprising at least one non-contact coating unit |
AU2003250236A AU2003250236A1 (en) | 2002-06-24 | 2003-06-02 | Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit |
EP03760700A EP1518022A2 (en) | 2002-06-24 | 2003-06-02 | Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit |
US11/015,437 US7399381B2 (en) | 2002-06-24 | 2004-12-17 | Machine for producing and treating a sheet of material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002128134 DE10228134A1 (en) | 2002-06-24 | 2002-06-24 | Machine for producing and treating a material web with an application device having at least one contactless application unit |
DE10228134.3 | 2002-06-24 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/015,437 Continuation US7399381B2 (en) | 2002-06-24 | 2004-12-17 | Machine for producing and treating a sheet of material |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004001131A2 true WO2004001131A2 (en) | 2003-12-31 |
WO2004001131A3 WO2004001131A3 (en) | 2004-08-05 |
WO2004001131A8 WO2004001131A8 (en) | 2005-03-17 |
Family
ID=29761347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/050208 WO2004001131A2 (en) | 2002-06-24 | 2003-06-02 | Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1518022A2 (en) |
JP (1) | JP2005530931A (en) |
CN (1) | CN100558984C (en) |
AU (1) | AU2003250236A1 (en) |
DE (2) | DE20221941U1 (en) |
WO (1) | WO2004001131A2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006013173A2 (en) * | 2004-08-03 | 2006-02-09 | Voith Patent Gmbh | Method for applying a liquid or pasty application medium to a continuous paper or cardboard web, and paper or cardboard machine for carrying out said method |
JP2008522050A (en) * | 2004-12-01 | 2008-06-26 | メッツォ ペーパー インコーポレイテッド | Fiber web processing method and apparatus |
WO2011088911A1 (en) * | 2010-01-25 | 2011-07-28 | Voith Patent Gmbh | Thermal paper or carbonless paper machine and method for manufacturing thermal or carbonless paper |
WO2011117133A3 (en) * | 2010-03-26 | 2011-11-17 | Voith Patent Gmbh | Method and device for applying at least one layer of an application medium to the surface of a traveling paper, board or other fibrous web |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3017104B1 (en) * | 2013-07-04 | 2020-03-04 | Voith Patent GmbH | Method for retrofitting and operating a device for producing a non-woven fabric |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19513531A1 (en) * | 1995-04-10 | 1996-10-17 | Du Pont Deutschland | Method and apparatus for reducing curtain casting interference |
DE19735588A1 (en) * | 1997-04-21 | 1999-02-18 | Jagenberg Papiertech Gmbh | Coating a moving web |
WO2000055424A1 (en) * | 1999-03-12 | 2000-09-21 | Metso Paper, Inc. | Method and apparatus for manufacturing coated paper and a coated paper |
DE10012256A1 (en) * | 2000-03-14 | 2001-09-20 | Voith Paper Patent Gmbh | Curtain coating applicator for a moving paper/cardboard web has electrodes at given electrical potentials to generate magnetic fields to affect the coating medium flow between the applicator and web surface in direct or indirect coating |
Family Cites Families (13)
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JP2927986B2 (en) * | 1991-06-11 | 1999-07-28 | 日本製紙株式会社 | Manufacturing method of coated paper and coated paper |
JP3296883B2 (en) * | 1993-05-28 | 2002-07-02 | 三菱製紙株式会社 | Pigment coated paper and method for producing the same |
JPH08260395A (en) * | 1995-03-29 | 1996-10-08 | Honshu Paper Co Ltd | Production of pigment-coated paper and paperboard using rod type coater |
WO1999022067A1 (en) * | 1997-10-24 | 1999-05-06 | Voith Sulzer Papiertechnik Patent Gmbh | Method and device for applying a medium on a running web of material |
JP4447060B2 (en) * | 1997-10-31 | 2010-04-07 | 日本製紙株式会社 | Multilayer coated paper manufacturing method |
US5944955A (en) * | 1998-01-15 | 1999-08-31 | Honeywell-Measurex Corporation | Fast basis weight control for papermaking machine |
JP4309486B2 (en) * | 1998-02-09 | 2009-08-05 | 日本製紙株式会社 | Method for producing coated paper |
DE19820432A1 (en) * | 1998-05-07 | 1999-11-11 | Voith Sulzer Papiertech Patent | Method and device for applying an application medium to a running surface |
DE19912226A1 (en) * | 1999-03-18 | 2000-09-28 | Sca Hygiene Prod Gmbh | Method and device for producing tissue paper and the tissue paper obtainable therewith |
SE516821C2 (en) * | 1999-10-19 | 2002-03-05 | Korsnaes Ab | Uncoated paper or board product and process for making it |
DE19954083A1 (en) * | 1999-11-10 | 2001-05-17 | Voith Paper Patent Gmbh | Coating of a web surface directly or indirectly on one or both sides is applied while the web is still wet to prevent the escape of matter from the paper/cardboard into the water recirculation system |
FI117874B (en) * | 2000-01-28 | 2007-03-30 | M Real Oyj | Procedure for coating a paper web and a coating composition |
DE20221930U1 (en) * | 2002-06-24 | 2009-05-20 | Voith Patent Gmbh | Machine for the treatment of a material web, preferably of paper and cardboard, and optionally for the preparation of the preparation of the material web, with a contactless application device and a material web smoothing device |
-
2002
- 2002-06-24 DE DE20221941U patent/DE20221941U1/en not_active Expired - Lifetime
- 2002-06-24 DE DE2002128134 patent/DE10228134A1/en not_active Withdrawn
-
2003
- 2003-06-02 WO PCT/EP2003/050208 patent/WO2004001131A2/en active Application Filing
- 2003-06-02 JP JP2004514870A patent/JP2005530931A/en active Pending
- 2003-06-02 EP EP03760700A patent/EP1518022A2/en not_active Ceased
- 2003-06-02 AU AU2003250236A patent/AU2003250236A1/en not_active Abandoned
- 2003-06-02 CN CNB038148900A patent/CN100558984C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19513531A1 (en) * | 1995-04-10 | 1996-10-17 | Du Pont Deutschland | Method and apparatus for reducing curtain casting interference |
DE19735588A1 (en) * | 1997-04-21 | 1999-02-18 | Jagenberg Papiertech Gmbh | Coating a moving web |
WO2000055424A1 (en) * | 1999-03-12 | 2000-09-21 | Metso Paper, Inc. | Method and apparatus for manufacturing coated paper and a coated paper |
DE10012256A1 (en) * | 2000-03-14 | 2001-09-20 | Voith Paper Patent Gmbh | Curtain coating applicator for a moving paper/cardboard web has electrodes at given electrical potentials to generate magnetic fields to affect the coating medium flow between the applicator and web surface in direct or indirect coating |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006013173A2 (en) * | 2004-08-03 | 2006-02-09 | Voith Patent Gmbh | Method for applying a liquid or pasty application medium to a continuous paper or cardboard web, and paper or cardboard machine for carrying out said method |
WO2006013173A3 (en) * | 2004-08-03 | 2007-01-25 | Voith Patent Gmbh | Method for applying a liquid or pasty application medium to a continuous paper or cardboard web, and paper or cardboard machine for carrying out said method |
JP2008522050A (en) * | 2004-12-01 | 2008-06-26 | メッツォ ペーパー インコーポレイテッド | Fiber web processing method and apparatus |
JP4823231B2 (en) * | 2004-12-01 | 2011-11-24 | メッツォ ペーパー インコーポレイテッド | Fiber web processing method and apparatus |
WO2011088911A1 (en) * | 2010-01-25 | 2011-07-28 | Voith Patent Gmbh | Thermal paper or carbonless paper machine and method for manufacturing thermal or carbonless paper |
WO2011117133A3 (en) * | 2010-03-26 | 2011-11-17 | Voith Patent Gmbh | Method and device for applying at least one layer of an application medium to the surface of a traveling paper, board or other fibrous web |
Also Published As
Publication number | Publication date |
---|---|
CN100558984C (en) | 2009-11-11 |
AU2003250236A1 (en) | 2004-01-06 |
WO2004001131A3 (en) | 2004-08-05 |
CN1662708A (en) | 2005-08-31 |
WO2004001131A8 (en) | 2005-03-17 |
JP2005530931A (en) | 2005-10-13 |
EP1518022A2 (en) | 2005-03-30 |
DE10228134A1 (en) | 2004-01-22 |
DE20221941U1 (en) | 2009-07-16 |
DE10228134A9 (en) | 2009-05-14 |
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