EP2655734B1 - Turbulenzerzeuger eines stoffauflaufs einer faserbahnmaschine - Google Patents

Turbulenzerzeuger eines stoffauflaufs einer faserbahnmaschine Download PDF

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Publication number
EP2655734B1
EP2655734B1 EP11851085.8A EP11851085A EP2655734B1 EP 2655734 B1 EP2655734 B1 EP 2655734B1 EP 11851085 A EP11851085 A EP 11851085A EP 2655734 B1 EP2655734 B1 EP 2655734B1
Authority
EP
European Patent Office
Prior art keywords
flow
pipes
turbulence generator
protrusion
groove
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.)
Not-in-force
Application number
EP11851085.8A
Other languages
English (en)
French (fr)
Other versions
EP2655734A4 (de
EP2655734A1 (de
Inventor
Sami Anttilainen
Janne Lappi
Jussi Vasara
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.)
Valmet Technologies Oy
Original Assignee
Valmet Technologies Oy
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 Valmet Technologies Oy filed Critical Valmet Technologies Oy
Publication of EP2655734A1 publication Critical patent/EP2655734A1/de
Publication of EP2655734A4 publication Critical patent/EP2655734A4/de
Application granted granted Critical
Publication of EP2655734B1 publication Critical patent/EP2655734B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/026—Details of the turbulence section

Definitions

  • the flow pipe 17 can be manufactured in several different ways. One way is to manufacture it using a casting process.
  • the flow pipe 17 can then be of a material that is, for example, a plastic.
  • Polyethylene, or thermoplastic in general, can be given as an example of plastics.
  • a thermoplastic flow pipe 17 can also be welded, if the operation in question is seen to be necessary, for example when assembling a turbulence generator 14 from pipes 17.
  • a plastic flow pipe will resist water, chemicals, and washing agents.
  • Various machining methods can also be used to manufacture a flow pipe from, for example, metals or composites.
  • Yet another example of a possible manufacturing method is 3D printing, which also permits the economical manufacture of small batches.
  • Figure 6 shows an arrangement, in which the sheets 28 are installed at the end of the bank of pipes.
  • the attachment rods 30 at the inlet-end edge of the sheet 28 are in slots 31 formed by the stacked flow pipes 17, 17', thus forming a shape-closure joint.
  • the internal diameter of the slots 31 can then be, for example, 6 - 15 mm.
  • pipes 17, 17' manufactured by moulding there can be a high degree of integration, because the attachment shaping of the sheets 28 is achieved in the ends of the pipes 17, 17' already in the moulding process, so that there is no need for separate sheet grooves.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Paper (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (7)

  1. Turbulenzerzeuger (14) eines Stoffauflaufs (10) einer Faserstoffbahnmaschine, der eine Vielzahl von Strömungsrohren (17, 17') aufweist, wobei jedes Strömungsrohr zwei Enden, ein Einlassende (13) und ein Auslassende (15), hat und es zwischen diesen Enden (13, 15) einen Strömungskanal (16) gibt, wobei zumindest eine Nut (24) und zumindest ein Vorsprung (25) in der Außenfläche (21.1 - 21.4) jedes Strömungsrohrs (17, 17') angeordnet sind, um jedes Strömungsrohr (17, 17') an benachbarte Strömungsrohre (17, 17') der Vielzahl von Strömungsrohren (17, 17') anzubringen,
    dadurch gekennzeichnet, dass
    die zumindest eine Nut (24) und der zumindest eine Vorsprung (25) des Strömungsrohrs (17, 17') in einer senkrechten Richtung zu der Achse des Strömungsrohrs (17, 17') derart ausgebildet sind, dass benachbarte Nuten (24) und Vorsprünge (25) der Strömungsrohre (17, 17') aneinander gefügt werden, um die benachbarten Strömungsrohre (17, 17') mittels gegenpaarigen Fügeausbildungen (24, 25, 24', 25') miteinander zu verbinden.
  2. Turbulenzerzeuger (14) nach Anspruch 1, wobei der Strömungskanal (16) zumindest zwei Strömungsbereiche, einen einlassendseitigen Strömungsbereich (18) und einen auslassendseitigen Strömungsbereich (19), hat, wobei der auslassendseitige Strömungsbereich (19) einen eckigen Außenquerschnitt hat und die zumindest eine Nut (24) und der zumindest eine Vorsprung (25) in der Außenfläche (21.1 - 21.4) des auslassendseitigen Strömungsbereichs (19) angeordnet sind.
  3. Turbulenzerzeuger (14) nach Anspruch 2, dadurch gekennzeichnet, dass die zumindest eine Nut (24) und der zumindest eine Vorsprung (25) an entgegengesetzten Seiten der Außenfläche (21.1 - 21.4) des auslassendseitigen Strömungsbereichs (19) angeordnet sind.
  4. Turbulenzerzeuger (14) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Nut (24) und der Vorsprung (25) des Strömungsrohrs (17, 17') angeordnet sind, um eine formschlüssige Verbindung an der korrespondierenden gegenpaarigen Fügeausbildung (24', 25') der benachbarten Strömungsrohre (17, 17') auszubilden.
  5. Turbulenzerzeuger (14) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Nut (24) und der Vorsprung (25) angeordnet sind, um eine Labyrinthdichtung an der Turbulenzerzeugerstruktur (14), die durch die Strömungsrohre (17, 17') ausgebildet ist, auszubilden.
  6. Turbulenzerzeuger (14) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass an den zwei einander entgegengesetzten Außenflächen (21.3, 21.1) des Auslassende des Strömungsbereichs (19) des Strömungsrohrs (17, 17') eine Nut (24) an einer Fläche (21.3) und ein Vorsprung (25) an der anderen Fläche (21.1) angeordnet sind und die Nut (24) und der Vorsprung (25) angeordnet sind, um eine Schwalbenschwanzverbindung mit den korrespondierenden gegenpaarigen Fügeausbildungen (24', 25') der benachbarten Strömungsrohre (17, 17') auszubilden.
  7. Turbulenzerzeuger (14) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eine Formgebung (26), die angeordnet ist, um eine Befestigung (31) für eine Strömungsplatte (28) mit den Strömungsrohren (17, 17') unterhalb und/oder oberhalb auszubilden, in dem Auslassende (15) des Strömungsrohrs (17, 17') angeordnet ist.
EP11851085.8A 2010-12-21 2011-12-19 Turbulenzerzeuger eines stoffauflaufs einer faserbahnmaschine Not-in-force EP2655734B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20106358A FI122895B (fi) 2010-12-21 2010-12-21 Virtausputki kuiturainakoneen perälaatikon turbulenssigeneraattoria varten ja kuiturainakoneen perälaatikon turbulenssigeneraattori
PCT/FI2011/051133 WO2012085343A1 (en) 2010-12-21 2011-12-19 Flow pipe for the turbulence generator of the headbox of a fibre web machine and a turbulence generator of the headbox of a fibre web machine

Publications (3)

Publication Number Publication Date
EP2655734A1 EP2655734A1 (de) 2013-10-30
EP2655734A4 EP2655734A4 (de) 2014-07-09
EP2655734B1 true EP2655734B1 (de) 2016-09-28

Family

ID=43415047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11851085.8A Not-in-force EP2655734B1 (de) 2010-12-21 2011-12-19 Turbulenzerzeuger eines stoffauflaufs einer faserbahnmaschine

Country Status (4)

Country Link
EP (1) EP2655734B1 (de)
CN (1) CN103261515B (de)
FI (1) FI122895B (de)
WO (1) WO2012085343A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104343037A (zh) * 2014-11-17 2015-02-11 张珣 有源喷浆机
DE102016114040A1 (de) * 2016-07-29 2018-02-01 Voith Patent Gmbh Strömungsmodul und Verfahren zur Herstellung eines Strömungsmoduls für einen Stoffauflauf einer Papiermaschine
DE102017122538A1 (de) * 2017-09-28 2019-03-28 Voith Patent Gmbh Verfahren und Vorrichtung zur Herstellung eines Strömungselements
DE102018120820A1 (de) * 2018-08-27 2020-02-27 Voith Patent Gmbh Turbulenzeinsatz
CN109706775B (zh) * 2019-03-15 2020-12-01 河南江河纸业股份有限公司 一种湍流发生器圆变方渐变管及其制备方法和设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI66931C (fi) * 1983-01-04 1984-12-10 Tampella Oy Ab Haolskiva foer en inloppslaoda foer en pappersmaskin
US5183537A (en) * 1991-10-07 1993-02-02 Beloit Technologies, Inc. Headbox tube bank apparatus and method of directing flow therethrough
DE19830872A1 (de) * 1998-07-10 2000-01-13 Voith Sulzer Papiertech Patent Turbulenzerzeuger
AU7292600A (en) 1999-09-22 2001-04-24 Valmet Corporation Turbulence pipe with at least one corrugated wall and a procedure for forming it
CN101622399B (zh) * 2007-03-01 2012-10-17 梅特索·佩珀·卡尔斯塔德公司 纸幅制造机中的流浆箱的功能部件所用的结构元件、功能部件和由其制造的流浆箱以及相关方法
US7955474B2 (en) * 2007-12-11 2011-06-07 Paperchine Inc. Tube bank apparatus for distributing stock
DE102008042032A1 (de) * 2008-09-12 2010-03-18 Voith Patent Gmbh Turbulenzerzeuger für einen Stoffauflauf, Stoffauflauf und Verfahren zur Herstellung des Turbulenzerzeugers

Also Published As

Publication number Publication date
FI20106358A0 (fi) 2010-12-21
FI122895B (fi) 2012-08-31
EP2655734A4 (de) 2014-07-09
CN103261515B (zh) 2015-04-01
EP2655734A1 (de) 2013-10-30
FI20106358A (fi) 2012-06-22
WO2012085343A1 (en) 2012-06-28
CN103261515A (zh) 2013-08-21

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