EP0695828B1 - Verfahren zum Nachrüsten einer Trockenpartie einer Papiermaschine mit einer Einrichtung zur Behandlung einer laufenden Bahn durch Oberflächenbeschichtung oder Imprägnieren - Google Patents

Verfahren zum Nachrüsten einer Trockenpartie einer Papiermaschine mit einer Einrichtung zur Behandlung einer laufenden Bahn durch Oberflächenbeschichtung oder Imprägnieren Download PDF

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Publication number
EP0695828B1
EP0695828B1 EP95108358A EP95108358A EP0695828B1 EP 0695828 B1 EP0695828 B1 EP 0695828B1 EP 95108358 A EP95108358 A EP 95108358A EP 95108358 A EP95108358 A EP 95108358A EP 0695828 B1 EP0695828 B1 EP 0695828B1
Authority
EP
European Patent Office
Prior art keywords
drying
web
coating
row
group
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.)
Expired - Lifetime
Application number
EP95108358A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0695828A2 (de
EP0695828A3 (de
Inventor
Bernhard Kohl
Stefan Reich
Wilfried Kraft
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 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0695828A2 publication Critical patent/EP0695828A2/de
Publication of EP0695828A3 publication Critical patent/EP0695828A3/de
Application granted granted Critical
Publication of EP0695828B1 publication Critical patent/EP0695828B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21H23/52—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
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04—Physical treatment, e.g. heating, irradiating
    • D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper

Definitions

  • the invention relates to a method for retrofitting a single or multi-row Drying section of a paper machine with a device for optional treatment of a running paper or cardboard web by surface coating or impregnation with those specified in the preamble of claim 1 Features.
  • the web running routes are (Paper trains) still relatively long.
  • Figure 8 in which the subsequent installation of the coating unit for applying the coating medium on both sides is shown in an existing paper machine. On the coating unit closes the installation from both sides arranged on the web contactless dryers, whereby a Arrangement had to be made down to the basement.
  • This variant also brings paper trains with regard to the necessary ones Construction measures and the operating possibility with disadvantages yourself.
  • the invention is therefore based on the object of a generic method To specify, only small space and short free space to implement Paper pulls are required for the drying process, and the good thing Operating options from the base of the paper machine. In addition, by the short free paper draws a high running efficiency, especially at high ones Speeds and low web strengths.
  • the task is characterized by Features of the main claim solved.
  • the dryer section can be one that, for example is described in DE 4328554 and from initially single-tier dryer groups, each with a single endless felt can exist.
  • the last single-felt drying group follows then at least a two-felt dryer group with some lower cylinders and some upper cylinders, as well as with an upper and a lower felt.
  • the drying groups can of course also in three rows or inclined in so-called "V" shape.
  • the first coating unit to be installed is preferably behind arranged in a two-row dryer cylinder group. That has the advantage that the web, if desired, with a residual moisture content from Z. B. only 2% in the first coating unit can break in.
  • the coating units integrated into the dryer section temporarily not to be used.
  • the dryer section can be used for higher Speeds (since the previously removed drying cylinders are missing and the desired degree of drying can be achieved should) be used.
  • drying cylinders All in all, only a few (approx. 3) drying cylinders are needed to retrofit an existing dryer section for the purpose of surface treatment or impregnation of the web convert.
  • the path of the paper web does not have to be normal at any point Leave the drying section, so that in particular the The coating units are always operated roughly from the base of the paper machine can be done from.
  • the short free paper draws allow passage of the application area with web dry content of ⁇ 80% in If the commissioned works are not used.
  • Figures 1 to 7 show schematic side views different embodiments of several dryer groups existing dryer sections, the coating units for treatment the paper or cardboard web included.
  • FIG. 1 there are three double rows arranged one behind the other Dryer groups 10, 11, 12, namely so-called two-felt dryer groups shown. They each consist of the lower cylinders 15 with a conventional lower felt UF (felt or Dryer fabric covering) and upper cylinders 16 with an upper felt OF.
  • Fig. 1 shows one first dryer group 10, a second dryer group 12 and one intermediate drying group 11.
  • This intermediate drying group 11 can only have one or more upper ones Cylinder 16 and at least one lower cylinder 15 (not shown) included. Actuators are not shown because they are conventional.
  • the coating unit 35 for the unilateral application of a liquid coating medium is here a pair of rollers, consisting of two a press nip with each other forming rollers, assigned.
  • the roller 1 is the Applicator roller on which a (nozzle) applicator 20 acts and roller 2 is the counter roller.
  • the coating unit 35 is closed by one of the web 40 entwined, at the height of the lower drying cylinder 15 of first and second dryer cylinder groups 10 and 12 located Deflection roller 30. This can be heated or unheated, rotating or fixed.
  • An existing, lower heatable drying cylinder can be used as deflection roller 30.
  • the coated side of the Web 40 by means of a arranged on the circumference of the roller 30 contactless drying device 21 so far that then first by contacting another upper one Dryer 16 of dryer group 11 can be dried further. (If necessary, before or after the deflecting roller 30 an spreader roller can be arranged.)
  • the web 40 then runs over paper guide rollers 22, from where they go up the next coating unit 35 'to treat the other side, e.g. B. the top the web.
  • the train passes again consisting of rollers 1 and 2, forming a press nip Pair of rolls.
  • This coating unit 35 ' preferably comprises a special nozzle applicator 20 'according to patent application DE-A-44 13 232
  • Another contactless drying device 21 the roller 30 'is arranged downstream of the coating unit 35'.
  • FIG. 2 shows, it is also possible for the deflection rollers 30 or 30 'to use without contactless dryer 21.
  • FIG. 4 shows the so-called "Air can” 39.
  • the air turns and air cans are equipped with air nozzles for heated or unheated air provided that create an air cushion for web deflection.
  • An air turn is usually subjected to cold air and serves to divert the path.
  • Figures 1 to 4 are also under the coating units 35 and 35 'aisles 23, with railings and a drip pan for hosing down the liquid application medium are provided with.
  • Figure 5 shows the subsequent installation of coating units 35 and 35 'in an existing double row Drying section.
  • the drying cylinders and guide rolls that are due the installation of the coating units 35 and 35 'removed had to be shown in dashed lines in the drawing.
  • the drive must be converted so that this cylinder can run against the original direction of rotation and speed can be regulated separately.
  • FIGS. 6 and 7 Two further variants of the web guide are shown in FIGS. 6 and 7.
  • the first coating unit 35 is also a single-row Connect dryer group 13 consisting of drying cylinders 17 can.
  • the Paper web 40 At the end of this single-tier dryer group 13, the Paper web 40 a residual moisture content of between approx. 2% and have about 6%, depending on the operating conditions and depending on the type of subsequently applied Coating medium.
  • the dryer group 13 has an endless felt F, which, together with the web 40, alternates over the drying cylinders 17 and deflection rollers 18 runs. It is conceivable that the Deflection rollers 18 also as suction rollers with an external suction box 19 can be trained.
  • the dryer 21 passes through the web 40 again in a single row Drying group 14, which is also like drying group 13 is procured.
  • Paper guide rollers 22 transport the web 40 then to the second coating unit 35 'and then to the roller 30 'with the contactless dryers 21.
  • the web 40 is subjected to further drying in one double-row dryer group 12, as already shown in FIG. 1 is exposed.
  • FIG. 7 shows that the application of the liquid Coating medium on the other side of web 40 the same following the contactless drying, which after the first application was made with the coating unit 35, can be done.

Landscapes

  • Paper (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)
EP95108358A 1994-06-10 1995-06-01 Verfahren zum Nachrüsten einer Trockenpartie einer Papiermaschine mit einer Einrichtung zur Behandlung einer laufenden Bahn durch Oberflächenbeschichtung oder Imprägnieren Expired - Lifetime EP0695828B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4420242A DE4420242A1 (de) 1994-06-10 1994-06-10 Einrichtung zur wahlweisen Behandlung einer laufenden Bahn
DE4420242 1994-06-10

Publications (3)

Publication Number Publication Date
EP0695828A2 EP0695828A2 (de) 1996-02-07
EP0695828A3 EP0695828A3 (de) 1996-12-18
EP0695828B1 true EP0695828B1 (de) 2002-09-25

Family

ID=6520224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108358A Expired - Lifetime EP0695828B1 (de) 1994-06-10 1995-06-01 Verfahren zum Nachrüsten einer Trockenpartie einer Papiermaschine mit einer Einrichtung zur Behandlung einer laufenden Bahn durch Oberflächenbeschichtung oder Imprägnieren

Country Status (8)

Country Link
US (1) US6051068A (fi)
EP (1) EP0695828B1 (fi)
JP (1) JPH08120588A (fi)
KR (1) KR960001341A (fi)
AT (1) ATE224976T1 (fi)
CA (1) CA2151287A1 (fi)
DE (2) DE4420242A1 (fi)
FI (1) FI110136B (fi)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI101487B1 (fi) * 1996-07-31 1998-06-30 Valmet Corp Menetelmä pintakäsiteltävän paperin, etenkin hienopaperin kuivaamiseksi paperikoneen jälkikuivatusosassa sekä menetelmää soveltava paperikoneen jälkikuivatusosa
US6280576B1 (en) 1996-07-31 2001-08-28 Valmet Corporation After-dryer in a paper machine
DE59813337D1 (de) * 1997-04-17 2006-04-06 Voith Paper Patent Gmbh Vorrichtung zur Behandlung einer Faserstoffbahn sowie Dichtungseinrichtung für eine solche Vorrichtung
US6192597B1 (en) 1997-04-17 2001-02-27 Voith Sulzer Papiermaschinen Gmbh Device for treating a fibrous pulp web as well as a sealing device for a device of this kind
DE29712098U1 (de) * 1997-07-09 1997-09-18 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Einrichtung zur wahlweisen Behandlung einer laufenden Bahn
FI104196B1 (fi) * 1998-03-03 1999-11-30 Valmet Corp Menetelmä ja sovitelma liikkuvuuden paperi- tai kartonkiradan päällystämiseksi
DE19817202A1 (de) * 1998-04-17 1999-10-21 Voith Sulzer Papiertech Patent Dichtungseinrichtung
EP1125020B1 (en) * 1998-08-04 2004-11-17 Metso Paper, Inc. Method and arrangement for handling paper or cardboard webs
FI105409B (fi) * 1999-01-05 2000-08-15 Valmet Corp Menetelmä ja sovitelma paperi- ja kartonkirainan ohjaamiseksi jälkikäsittelyn aikana
DE10212818A1 (de) * 2002-03-22 2003-10-02 Voith Paper Patent Gmbh Auftragsvorrichtung
US7563326B2 (en) * 2002-06-24 2009-07-21 Voith Paper Patent Gmbh Device for coating and drying both sides of a material web of paper or board
DE20221952U1 (de) * 2002-06-24 2009-08-20 Voith Patent Gmbh Vorrichtung zum beidseitigen Streichen und zum Trocknen einer Materialbahn, insbesondere aus Papier oder Karton
DE10343052A1 (de) * 2003-09-16 2005-04-07 Voith Paper Patent Gmbh Verfahren zum Umbau einer Streichmaschine
US20050194088A1 (en) * 2004-03-02 2005-09-08 Kohler Herbert B. Method and apparatus for making corrugated cardboard
US7267153B2 (en) * 2004-03-02 2007-09-11 Herbert B Kohler Corrugator glue machine having web tension nulling mechanism
US8057621B2 (en) * 2005-04-12 2011-11-15 Kohler Herbert B Apparatus and method for producing a corrugated product under ambient temperature conditions
US7595086B2 (en) * 2005-10-27 2009-09-29 Kohler Herbert B Method for producing corrugated cardboard
WO2008157705A1 (en) * 2007-06-20 2008-12-24 Kohler Herbert B Method for producing corrugated cardboard
US8672825B2 (en) 2008-03-21 2014-03-18 Hbk Family, Llc Apparatus for producing corrugated board
DE102008041422A1 (de) * 2008-08-21 2010-02-25 Voith Patent Gmbh Vorrichtung zur Erzeugung von beschichteten Papier-, Karton- oder anderen Faserstoffbahnen mit mindestens einer thermosensitiven Schicht und Verfahren zum Betreiben einer derartigen Vorrichtung
ES2871006T3 (es) * 2009-01-22 2021-10-28 Intpro Llc Método para el control de la humedad y de la temperatura en una operación de corrugación
ES2953183T3 (es) 2012-11-01 2023-11-08 Int Paper Co Método para la formación de acanaladuras de una banda en dirección de la máquina
JP7316438B2 (ja) 2019-08-05 2023-07-27 イントプロ， エルエルシー 進行する紙ウェブにおける紙特有水分制御
CN114622434A (zh) * 2022-04-18 2022-06-14 广东理文造纸有限公司 一种热缸控温涂布装置及其控温方法

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US2186874A (en) * 1936-04-09 1940-01-09 K C M Company Paper manufacture
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US3993805A (en) * 1972-07-31 1976-11-23 Concorde Fibers Inc. Method of applying liquid finish composition to filaments
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Also Published As

Publication number Publication date
CA2151287A1 (en) 1995-12-11
DE4420242A1 (de) 1995-01-05
JPH08120588A (ja) 1996-05-14
FI952822A0 (fi) 1995-06-08
US6051068A (en) 2000-04-18
EP0695828A2 (de) 1996-02-07
KR960001341A (ko) 1996-01-25
FI952822A (fi) 1995-12-11
DE59510389D1 (de) 2002-10-31
FI110136B (fi) 2002-11-29
EP0695828A3 (de) 1996-12-18
ATE224976T1 (de) 2002-10-15

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