EP0626478B1 - Einrichtung zum wahlweisen Behandeln von laufenden Bahnen - Google Patents

Einrichtung zum wahlweisen Behandeln von laufenden Bahnen Download PDF

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Publication number
EP0626478B1
EP0626478B1 EP94104915A EP94104915A EP0626478B1 EP 0626478 B1 EP0626478 B1 EP 0626478B1 EP 94104915 A EP94104915 A EP 94104915A EP 94104915 A EP94104915 A EP 94104915A EP 0626478 B1 EP0626478 B1 EP 0626478B1
Authority
EP
European Patent Office
Prior art keywords
web
drying
intermediate space
cylinders
diverting
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
EP94104915A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0626478A1 (de
Inventor
Anton Plomer
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.)
JM Voith GmbH
Original Assignee
JM Voith 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 JM Voith GmbH filed Critical JM Voith GmbH
Publication of EP0626478A1 publication Critical patent/EP0626478A1/de
Application granted granted Critical
Publication of EP0626478B1 publication Critical patent/EP0626478B1/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
    • 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
    • D21H23/70—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
    • D21H23/74—Apparatus permitting switching from one technique to another

Definitions

  • the invention relates to a drying group with a device for the optional treatment of running webs, preferably made of paper or cardboard.
  • the coating device is assigned to the drying group consisting of drying cylinders of a paper machine.
  • FR-A-22 02 192 discloses a post-dryer group with a device for coating paper, a deflection roller being provided in an intermediate space between two adjacent drying cylinders, from which the web is fed to the coating device.
  • the object of the invention is therefore to provide a space-saving after-dryer group, it also being possible to bypass the coating device.
  • the bypass route should be as simple as possible and short.
  • the space between the two adjacent drying cylinders of the after-dryer group corresponds to the at least one deflection roller for bridging the space in the event that the web is not treated by a coating device arranged in this area of the web course for painting, pigmenting or gluing, and the takes up at least one further deflection roller, at most two diameters of the drying cylinders.
  • the coating device is arranged practically above this space.
  • Dryers which preferably work on the basis of infrared radiation or hot air, are preferably located in front of the coating device. With existing paper machines, it is therefore practically only necessary to remove two adjacent drying cylinders and to provide the necessary guide rollers for the web in the free space that is created.
  • the coating device here preferably consists of two press rolls or web guide rolls 1 and 2 which form a press nip with one another. Each of them is assigned a coating applicator unit 3 or 3 ', which are constructed essentially identically and are arranged in mirror image.
  • Each application unit can consist of a doctor blade or a similarly constructed holder 5 for a bed 7 of a doctor blade 6 and a throttle plate 8 connected upstream in the direction of movement of the outer surface of the press rolls, an application space for the coating slip or general coating compound being formed between these parts, which is preferably under is above atmospheric pressure, and to which the coating slip can be fed from a coating chamber 9.
  • the coating device are Downstream heating devices 51, 52 and 53, which can work on infrared basis or with hot air.
  • Further deflecting rollers 21-23 then feed the coated and pre-dried web to the remaining drying cylinders 49, 50 and the following, so that the web is completely dried.
  • the coating device can only be used at a time when the web already has a considerable dry content, which is at least 75, preferably at least 80%.
  • the coating device is suitable for impregnating the web with glue or for coating it with pigment.
  • a moisture meter 40 is installed between the idlers 16 and 18.
  • the coating device with the rollers 1 and 2 is preferably arranged on a higher machine floor or on a machine foundation arranged one floor higher than the drying cylinder group.
  • the distance between the drying cylinders arranged at the space leading to the coating device is at most two diameters in length - based on the row arrangement of the drying cylinders.
  • the great advantage of the arrangement is that in the event of a web break - if preferably on the coating machine - the web can easily be driven into the basement before it is re-threaded.

Landscapes

  • Paper (AREA)
  • Coating Apparatus (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Replacement Of Web Rolls (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Toys (AREA)
EP94104915A 1993-04-27 1994-03-29 Einrichtung zum wahlweisen Behandeln von laufenden Bahnen Expired - Lifetime EP0626478B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313628 1993-04-27
DE4313628A DE4313628A1 (de) 1993-04-27 1993-04-27 Einrichtung zum wahlweisen Behandeln von laufenden Bahnen

Publications (2)

Publication Number Publication Date
EP0626478A1 EP0626478A1 (de) 1994-11-30
EP0626478B1 true EP0626478B1 (de) 1997-05-14

Family

ID=6486401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94104915A Expired - Lifetime EP0626478B1 (de) 1993-04-27 1994-03-29 Einrichtung zum wahlweisen Behandeln von laufenden Bahnen

Country Status (7)

Country Link
US (1) US5469636A (sv)
EP (1) EP0626478B1 (sv)
JP (1) JPH06316890A (sv)
AT (1) ATE153090T1 (sv)
CA (1) CA2122171A1 (sv)
DE (2) DE4313628A1 (sv)
FI (1) FI941756A (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313628A1 (de) * 1993-04-27 1993-09-30 Voith Gmbh J M Einrichtung zum wahlweisen Behandeln von laufenden Bahnen
FI96338C (sv) * 1994-04-19 1996-06-10 Valmet Corp Förfarande och anordning för dubbelsidig bestrykning av en tryckpappersbana
DE4420242A1 (de) * 1994-06-10 1995-01-05 Voith Gmbh J M Einrichtung zur wahlweisen Behandlung einer laufenden Bahn
US6126787A (en) * 1995-02-01 2000-10-03 Valmet Corporation Dry end of a paper machine
FI98387C (sv) * 1995-02-01 1997-06-10 Valmet Corp Förfarande för framställning av ytbehandlat papper, speciellt finpapper, samt torrända för en pappersmaskin
DE29712098U1 (de) * 1997-07-09 1997-09-18 Voith Sulzer Papiermasch Gmbh Einrichtung zur wahlweisen Behandlung einer laufenden Bahn
DE29714193U1 (de) * 1997-08-08 1997-10-16 Voith Sulzer Papiermasch Gmbh Vorrichtung zur Beschichtung einer laufenden Warenbahn
DE19743246A1 (de) * 1997-09-30 1999-04-01 Voith Sulzer Papiertech Patent Kombinations-Auftragsvorrichtung
DE19824170A1 (de) * 1998-05-29 1999-12-02 Voith Sulzer Papiertech Patent Einrichtung zum Befeuchten einer Materialbahn
DE10106524A1 (de) * 2001-02-13 2002-08-22 Ficker Otto Ag Fertigungsstraße zum Herstellen von Papierverpackungen
DE50311239D1 (de) * 2002-12-19 2009-04-16 Voith Patent Gmbh Bahnbehandlungsvorrichtung
PL1733988T3 (pl) * 2005-06-16 2008-09-30 Hunkeler Ag Sposób i urządzenie do wytwarzania gazet
US20070200881A1 (en) * 2006-02-24 2007-08-30 Park Namjeon Height adjustment system for image forming machine
US20070201933A1 (en) * 2006-02-24 2007-08-30 Park Namjeon Feeding system for image forming machine
US20070199206A1 (en) * 2006-02-24 2007-08-30 Park Namjeon Drying system for image forming machine
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
CN113286665B (zh) * 2019-01-11 2023-01-03 新烯科技有限公司 浆料涂覆装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1290111A (fr) * 1957-03-25 1962-04-13 Papier couché par formation de pellicule et son procédé de fabrication
US3908071A (en) * 1972-10-10 1975-09-23 Clupak Inc External sizing of extensible paper
CA997632A (en) * 1975-11-07 1976-09-28 Rudy L. Gagne Method and apparatus for coating a substrate with plastic
US5291666A (en) * 1993-04-23 1994-03-08 International Paper Company Apparatus for drying roll material
DE4313628A1 (de) * 1993-04-27 1993-09-30 Voith Gmbh J M Einrichtung zum wahlweisen Behandeln von laufenden Bahnen

Also Published As

Publication number Publication date
FI941756A (sv) 1994-10-28
DE59402714D1 (de) 1997-06-19
CA2122171A1 (en) 1994-10-28
US5469636A (en) 1995-11-28
DE4313628A1 (de) 1993-09-30
ATE153090T1 (de) 1997-05-15
EP0626478A1 (de) 1994-11-30
JPH06316890A (ja) 1994-11-15
FI941756A0 (sv) 1994-04-15

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