EP1550769B1 - Vorrichtung zur Stabilisierung einer Papierbahn - Google Patents

Vorrichtung zur Stabilisierung einer Papierbahn Download PDF

Info

Publication number
EP1550769B1
EP1550769B1 EP04030128A EP04030128A EP1550769B1 EP 1550769 B1 EP1550769 B1 EP 1550769B1 EP 04030128 A EP04030128 A EP 04030128A EP 04030128 A EP04030128 A EP 04030128A EP 1550769 B1 EP1550769 B1 EP 1550769B1
Authority
EP
European Patent Office
Prior art keywords
stabilizer
web
paper web
drying cylinder
paper
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
EP04030128A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1550769A1 (de
Inventor
Harald Weigant
Gernot Zeletinger
Kurt Mitterböck
Erwin Walcher
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.)
Andritz AG
Original Assignee
Andritz AG
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 Andritz AG filed Critical Andritz AG
Priority to AT04030128T priority Critical patent/ATE426704T1/de
Priority to PL04030128T priority patent/PL1550769T3/pl
Publication of EP1550769A1 publication Critical patent/EP1550769A1/de
Application granted granted Critical
Publication of EP1550769B1 publication Critical patent/EP1550769B1/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
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G3/00—Doctors
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0063—Devices for threading a web tail through a paper-making machine

Definitions

  • the invention relates to a device for stabilizing a paper web, in particular tissue web, with at least one arranged after a drying cylinder (web) stabilizer, wherein the stabilizer is disposed directly on the drying cylinder below the paper web and wherein the angle of the stabilizer is adjustable to the drying cylinder and the Stabilizer is arranged on a scraper holder or scraper bar.
  • a system for stabilizing a paper web, especially tissue web is from the EP 1101863 known.
  • several stabilizers are arranged after a tissue cylinder.
  • a stabilizer for the paper / tissue web is provided, which additionally dissipates entrained air.
  • a stabilizer for the paper / tissue web is provided, which additionally dissipates entrained air.
  • ground scraper blades bevel 5-40 °
  • the adhesion to Yankee cylinder kept relatively low or is it difficult at all the adhesion of the Set paper web high.
  • the web has the tendency to go down and is only by the paper pullout that pulls the paper web against the upper stabilizer, stabilized.
  • the adhesion to the Yankee and / or low Kreppgrad must be adjusted, which in turn adversely affects the strength or elongation of the paper.
  • the EP 0 905 312 A2 discloses a web stabilization device disposed above the web or above the doctor blade, respectively.
  • the US 6,328,852 B1 discloses a web stabilizing device mounted directly on the doctor bar.
  • the scraper itself is rotatably mounted.
  • the US 2002/0060036 A1 describes a web guiding device which guides the web from the drying cylinder to the rewinder. However, the stabilizer is not arranged on the scraper holder or on the scraper bar
  • the aim of the invention is therefore to ensure the web stability of a high quality paper web, especially tissue web immediately after leaving the doctor blade and thus to create the opportunity to increase the quality of the paper and / or production speed.
  • creping effect (creping angle) can be adjusted independently of optimum web guiding by the stabilizer.
  • An advantageous development of the invention is characterized in that the stabilizer has openings for Luftausblasung or air extraction. By the air blowing or air suction, the web is sucked to the surface of the stabilizer and thus further improves the stability of the web guide.
  • the stabilizer is designed to be pivotable, in particular swiveling out, perfect demolition operation and a simpler reintroduction of the paper web can be achieved.
  • the invention can be used particularly well when the drying cylinder is a Yankee cylinder.
  • the distance of the stabilizer from the drying cylinder is between 0 and 500 mm, preferably between 0 and 200 mm, for example about 50 mm.
  • Fig. 1 a variant of the invention
  • Fig. 2 represents a further variant of the invention.
  • the tissue production takes place to a high percentage with the final drying stage on a Yankee cylinder 1.
  • the dried paper web 2 is removed by a doctor blade 4, which is guided in a scraper holder 6, which in turn is held by a scraper 5.
  • the web 2 is guided via stabilizing elements 7, in certain cases via calender (e) to a roller (not shown), which winds the web there at a certain speed onto a roll.
  • the paper quality is in Acceptance point 9 significantly influenced. In order to optimally adjust the quality parameters such as strength, elongation, softness and volume, it is often necessary to keep the adhesion of the paper web to the Yankee cylinder 1 low.
  • the withdrawal speed of the paper web in the direction of calender or roller is usually set very low. Also, the crepe scraper 4 operated at a relatively high bevel angle ⁇ . All these settings, however, lead to difficulties in the stability of the web and thus to running difficulties of the machine, to quality compromises and speed limits.
  • the invention is intended to reduce these disadvantages by the paper web 2 according to Fig. 1 is taken over and guided directly at the pick-up point 9 from the Yankee cylinder 1 by a stabilizing element 3 which is attached to a scraper holder 6 or on a scraper bar 5.
  • the attachment can be made fixed or preferably pivotable.
  • the Abschwenkposition of the stabilizer 3 is shown by dashed lines. In this position, the paper web can be listed very easily after a demolition.
  • the stabilizer can also be attached to the paper machine frame.
  • the angle of attack ⁇ of the stabilizer is adjustable and is preferably 80-100 °.
  • the angle of attack (creping angle) ⁇ of the scraper 4 is independently adjustable from the angle of attack ⁇ of the stabilizer, whereby on the one hand the creping effect and on the other hand the web guide are optimally adjusted separately.
  • the angle of attack (creping angle) ⁇ of the scraper 4 is usually about 10 - 35 °.
  • the stabilizing element 3 has at least one opening 8 for the discharge of compressed air or is supported or stabilized from below with an air intake opening 8, which is connected to a suction unit.
  • a possible Abschwenkposition of the stabilizer 3 is shown by dashed lines.
  • the distance x of the stabilizing element 3 from the surface of the drying cylinder 1 is to be kept as low as possible.
  • a distance x is set from 0 to 200 mm, where it is most preferably about 50 mm and may be up to 500 mm in exceptional cases.

Landscapes

  • Paper (AREA)
EP04030128A 2003-12-30 2004-12-18 Vorrichtung zur Stabilisierung einer Papierbahn Expired - Lifetime EP1550769B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT04030128T ATE426704T1 (de) 2003-12-30 2004-12-18 Vorrichtung zur stabilisierung einer papierbahn
PL04030128T PL1550769T3 (pl) 2003-12-30 2004-12-18 Urządzenie do stabilizowania wstęgi papieru

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT20982003 2003-12-30
AT0209803A AT413393B (de) 2003-12-30 2003-12-30 Vorrichtung zur stabilisierung einer papierbahn

Publications (2)

Publication Number Publication Date
EP1550769A1 EP1550769A1 (de) 2005-07-06
EP1550769B1 true EP1550769B1 (de) 2009-03-25

Family

ID=34558088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04030128A Expired - Lifetime EP1550769B1 (de) 2003-12-30 2004-12-18 Vorrichtung zur Stabilisierung einer Papierbahn

Country Status (10)

Country Link
US (1) US7384512B2 (pl)
EP (1) EP1550769B1 (pl)
CN (1) CN100595377C (pl)
AT (2) AT413393B (pl)
BR (1) BRPI0405949A (pl)
CA (1) CA2490168C (pl)
DE (1) DE502004009214D1 (pl)
ES (1) ES2323867T3 (pl)
MX (1) MXPA05000101A (pl)
PL (1) PL1550769T3 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7718037B2 (en) * 2007-04-26 2010-05-18 The Procter & Gamble Company Creping foil for redirecting dust
US7914648B2 (en) * 2007-12-18 2011-03-29 The Procter & Gamble Company Device for web control having a plurality of surface features
US8177940B2 (en) * 2009-03-04 2012-05-15 Andritz Inc. Apparatus and method for stabilizing a moving web having transitions in a surface adjacent the web
SE538611C2 (sv) * 2015-01-30 2016-10-04 Cs Produktion Ab Schaberanordning

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355349A (en) * 1964-12-14 1967-11-28 Andrew G Devlin Apparatus for conveying lead strip from driers to calenders in paper-making
US3756912A (en) * 1970-12-31 1973-09-04 Durand Machine Co Ltd Conveyor mechanism for transferring paper web
US4014487A (en) * 1976-03-31 1977-03-29 Crown Zellerbach Corporation Web threading system
US4179330A (en) * 1978-09-05 1979-12-18 Page Robert E Apparatus for handling web material, and method
FI69145C (fi) * 1984-07-05 1985-12-10 Valmet Oy Anordning i en pappersmaskin vid transport och styrning av banans spetsdragningsband
FI78528C (fi) * 1988-01-26 1989-08-10 Valmet Paper Machinery Inc Foerfarande och anordning foer styrning av pappersbanans spetsdragningsband fraon pressens slaetytade vals eller motsvarande.
FR2759099B1 (fr) * 1997-02-03 1999-03-19 Fort James France Installation de depoussierage sur machine de production de papier crepe
US5891309A (en) * 1997-08-26 1999-04-06 Beloit Technologies, Inc. Web stabilizing device
US6387220B1 (en) * 1999-08-13 2002-05-14 Voith Sulzer Papiertechnik Patent Gmbh Vacuum conveyor
US6328852B1 (en) * 1999-08-24 2001-12-11 Kimberly-Clark Worldwide, Inc. Method and apparatus for improving stability of moving webs
US6669818B2 (en) * 2000-06-28 2003-12-30 Metso Paper Karlstad Ab Shortened layout from dryer to reel in tissue machine
US20030183353A1 (en) * 2001-12-10 2003-10-02 Metso Paper Karlstad Ab Press section tail threading

Also Published As

Publication number Publication date
US20050161185A1 (en) 2005-07-28
US7384512B2 (en) 2008-06-10
ATE426704T1 (de) 2009-04-15
PL1550769T3 (pl) 2009-08-31
CN100595377C (zh) 2010-03-24
EP1550769A1 (de) 2005-07-06
CA2490168C (en) 2011-09-20
CN1637207A (zh) 2005-07-13
CA2490168A1 (en) 2005-06-30
AT413393B (de) 2006-02-15
ES2323867T3 (es) 2009-07-27
MXPA05000101A (es) 2005-07-05
BRPI0405949A (pt) 2005-09-20
ATA20982003A (de) 2005-07-15
DE502004009214D1 (de) 2009-05-07

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