EP1731663B1 - Pulpeur pour la disintégration et pour mettre en suspension de matière première de papier - Google Patents

Pulpeur pour la disintégration et pour mettre en suspension de matière première de papier Download PDF

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Publication number
EP1731663B1
EP1731663B1 EP06007357A EP06007357A EP1731663B1 EP 1731663 B1 EP1731663 B1 EP 1731663B1 EP 06007357 A EP06007357 A EP 06007357A EP 06007357 A EP06007357 A EP 06007357A EP 1731663 B1 EP1731663 B1 EP 1731663B1
Authority
EP
European Patent Office
Prior art keywords
container
rotor
pulper
pulper according
suspension
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
EP06007357A
Other languages
German (de)
English (en)
Other versions
EP1731663A1 (fr
Inventor
Naoyuki Iwashige
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 Patent GmbH
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Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1731663A1 publication Critical patent/EP1731663A1/fr
Application granted granted Critical
Publication of EP1731663B1 publication Critical patent/EP1731663B1/fr
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
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers

Definitions

  • the invention relates to a pulper for comminution and suspension of pulp according to the preamble of claim 1.
  • Pulpers of this type are mainly used to suspend air-dry pulp or waste paper.
  • the registered material is intensively mixed in large pieces, webs or pressed bales with water, which is usually a mixing and crushing rotor is used.
  • a pulper consists essentially of a container for the suspension and the already mentioned rotor. In many cases, it also contains a sieve in the bottom area, through which the suspension can be pumped.
  • the standard type for a pulper is a vertical cylindrical container with a rotor in the bottom area.
  • water and the material to be dissolved is added from above and generated with the help of the rotor Trombenströmung in the suspension, ie in the central region of the fabric is sucked down from the rotor and pressed radially outward in the bottom region, resulting in a Umtriebsströmung results.
  • the invention is based on the object to improve the known pulper without significant overhead, in particular, the collection of the material to be improved.
  • the pulper should be able to dissolve faster and / or more economically.
  • the cut in side view drawn pulper the Fig. 1 is a typical form of the invention.
  • the pulp S is entered into a container 1 together with water W.
  • a mixture of water and pulp which is already partially crushed. This thus provided with coarse and fine solids suspension is displaced by the arranged in the bottom region of the container 1 rotor 2 in drive.
  • the rotor is driven by a motor, not shown.
  • Essential for this pulper according to the invention is that the center line 3 of the rotor 2 is arranged laterally offset relative to the center line 4 of the container 1.
  • the eccentricity E of this offset is preferably in a cylindrical container 1 as large as half its diameter D1 with a tolerance of ⁇ 30%.
  • the eccentric rotor assembly unfolds its beneficial effect, especially when the bottom 7 of the container 1 - outside the screen area - has a pronounced slope.
  • This bottom angle ⁇ thus depicted is preferably between 15 ° and 60 °. At about 30 ° is in terms of effect, container volume, construction costs and space requirements before a particularly favorable design.
  • a vertical flow barrier 8 which may be formed in a simple embodiment as a rectangular angle profile extending perpendicularly from the bottom 7 of the container 1 to above the forming during operation of the suspension mirror extends.
  • This flow barrier 8 extends into the trough with a radial projection F which is at least 5%, preferably at least 10%, of the diameter D1 of the container 1.
  • Fig. 2 the pulper of Fig. 1 in top view.
  • the holes of the screen plate 6 are not shown.
  • An inventive pulper may, for example, be provided with the following dimensions.
  • the eccentricity E is at a quarter of the diameter D1, ie about 609 mm.
  • the rotor 2 has on its moving wings an outer diameter D2 of 970 mm. He runs close to a flat annular sieve 6, the openings of which he keeps clear of blockages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Crushing And Grinding (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)

Claims (13)

  1. Pulpeur pour la désintégration et la mise en suspension de matière première de papier (S) avec un récipient (1) ouvert dans le haut, dans lequel la matière première de papier (S) peut être mélangée avec de l'eau (W), désintégrée et mise en suspension, de façon à former une suspension (P) contenant de la matière première de papier, dans lequel il se trouve dans le fond du récipient (1) un rotor entraîné (2) pour la production d'un courant de circulation dans le récipient (1) et le milieu du rotor (2) est disposé excentriquement par rapport au milieu du récipient (1), caractérisé en ce que le fond (7) s'élève depuis la région du rotor (2) en direction de la paroi latérale (5) avec un angle de fond (α) qui se situe entre 15° et 60°, de préférence entre 25° et 35°.
  2. Pulpeur selon la revendication 1, caractérisé en ce que l'axe (3) du rotor (2) est vertical.
  3. Pulpeur selon la revendication 1 ou 2, caractérisé en ce que le récipient (1) présente une paroi latérale essentiellement cylindrique (5), dont l'axe (4) est vertical.
  4. Pulpeur selon la revendication 3, caractérisé en ce qu'au moins une barrière d'écoulement (8) est installée sur la paroi latérale (5) du récipient (1).
  5. Pulpeur selon la revendication 4, caractérisé en ce que la barrière d'écoulement (8) pénètre dans le récipient (1) avec une saillie radiale (F), qui vaut au moins 10 %, de préférence au moins 20 % du diamètre (D1) du récipient (1).
  6. Pulpeur selon la revendication 4 ou 5, caractérisé en ce que la barrière d'écoulement (8) se trouve dans le secteur de 180° du récipient (1), qui est le plus éloigné du rotor.
  7. Pulpeur selon la revendication 6, caractérisé en ce qu'une barrière d'écoulement (8) se trouve à l'endroit du récipient (1) le plus éloigné du rotor.
  8. Pulpeur selon la revendication 5, 6 ou 7, caractérisé en ce qu'il ne se trouve qu'une seule barrière d'écoulement (8) avec ces dimensions de saillie radiale (F).
  9. Pulpeur selon la revendication 5, 6 ou 7, caractérisé en ce qu'il se trouve exactement deux barrières d'écoulement (8) avec ces dimensions de saillie radiale (F).
  10. Pulpeur selon la revendication 4, 5, 6, 7, 8 ou 9, caractérisé en ce que la barrière d'écoulement (8) est composée d'une cornière placée verticalement, dont les ailes sont assemblées à la paroi latérale (5).
  11. Pulpeur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se trouve dans le fond (7) du récipient (1) un tamis (6) annulaire plan disposé en position horizontale et concentrique au rotor (2), dans lequel il se trouve en dessous du tamis (6) une chambre (9) destinée à recevoir et à évacuer la suspension (P) formée dans le récipient (1).
  12. Pulpeur selon l'une quelconque des revendications précédentes, caractérisé en ce que le diamètre (D2) du rotor (2) vaut entre 20 % et 40 % du diamètre (D1) du récipient (1).
  13. Pulpeur selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport entre la hauteur totale (H) et le diamètre (D1) du récipient (1) vaut entre 0,8 et 1,2.
EP06007357A 2005-06-07 2006-04-07 Pulpeur pour la disintégration et pour mettre en suspension de matière première de papier Not-in-force EP1731663B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005026108A DE102005026108A1 (de) 2005-06-07 2005-06-07 Stofflöser zur Zerkleinerung und Suspendierung von Papierstoff

Publications (2)

Publication Number Publication Date
EP1731663A1 EP1731663A1 (fr) 2006-12-13
EP1731663B1 true EP1731663B1 (fr) 2010-03-03

Family

ID=36975284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007357A Not-in-force EP1731663B1 (fr) 2005-06-07 2006-04-07 Pulpeur pour la disintégration et pour mettre en suspension de matière première de papier

Country Status (6)

Country Link
US (1) US8028941B2 (fr)
EP (1) EP1731663B1 (fr)
JP (1) JP4868508B2 (fr)
AT (1) ATE459748T1 (fr)
DE (2) DE102005026108A1 (fr)
ES (1) ES2342308T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006000514A1 (de) * 2006-12-12 2008-06-19 Voith Patent Gmbh Stofflöser zur Zerkleinerung und Suspendierung von Papierstoff sowie seine Verwendung
DE202008000684U1 (de) * 2008-01-17 2009-05-20 Voith Patent Gmbh Stofflöser zur Zerkleinerung und Suspendierung von Papierstoff
DE102009019664A1 (de) * 2009-04-30 2010-11-04 Voith Patent Gmbh Verfahren zur Behandlung einer Faserstoffsuspension sowie Siebvorrichtung zu seiner Durchführung
DE102009035247A1 (de) 2009-07-29 2011-02-03 Biotec Sistemi S.R.L. Pulper mit Torque-Motor
JP5566328B2 (ja) * 2011-04-20 2014-08-06 キユーピー株式会社 攪拌タンク
CH708421A8 (de) 2013-02-28 2015-05-15 Dissolvetech Ag Datenträgervernichtungsverfahren, Sammelfahrzeug und Verwendung einer Auflösevorrichtung.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE844116C (de) * 1947-12-08 1952-07-17 Leje & Thurne Aktiebolag Zerkleinerungsmaschine zur Behandlung von Zellstoff und/oder Altpapier
US2557174A (en) * 1949-01-26 1951-06-19 Cowles Co Apparatus for pulping paper stock
US3043526A (en) * 1958-08-29 1962-07-10 Bolton John W & Sons Inc Apparatus for pulping paper stock
DE2707420A1 (de) * 1977-02-21 1978-08-24 Sprenger Albin Kg Radiosondensystem
DE3127114C2 (de) * 1980-07-10 1985-06-13 J.M. Voith Gmbh, 7920 Heidenheim Einrichtung zum Auflösen von Altpapier und Aussortieren daraus zu gewinnender Fasern für die Herstellung von Papier, Karton oder Pappe
DE3224705C2 (de) * 1982-07-02 1985-05-02 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Wirbelströmungsapparat zur Aufbereitung von Altpapier
DE3234702A1 (de) 1982-09-18 1984-03-22 Bbc Brown Boveri & Cie Verfahren zur vorladung von kommutierungskondensatoren in einem wechselrichter mit phasenfolgeloeschung
DE3429514A1 (de) 1984-08-10 1986-02-13 J.M. Voith Gmbh, 7920 Heidenheim Stoffloeser
FI72356C (fi) * 1985-12-31 1987-05-11 Yhtyneet Paperitehtaat Oy Anordning foer destruktion av papper och kartong.
GB2219755B (en) * 1988-06-16 1992-04-22 Vernon & Company Macerator
FI82492C (fi) * 1989-08-21 1991-03-11 Tampella Oy Ab Foerfarande och anordning foer avlaegsnande av foeroreningar fraon pappersmassa i pulper.
DE19701129A1 (de) * 1996-01-17 1997-07-24 Voith Sulzer Stoffaufbereitung Verfahren zur Zerkleinerung und Suspendierung von Papierstoff sowie Stofflöser zur Durchführung des Verfahrens
DE10138861A1 (de) * 2001-08-08 2003-02-27 Voith Paper Patent Gmbh Papierstofflöser

Also Published As

Publication number Publication date
JP2006342483A (ja) 2006-12-21
ES2342308T3 (es) 2010-07-05
DE102005026108A1 (de) 2006-12-14
DE502006006305D1 (de) 2010-04-15
EP1731663A1 (fr) 2006-12-13
JP4868508B2 (ja) 2012-02-01
ATE459748T1 (de) 2010-03-15
US8028941B2 (en) 2011-10-04
US20060273208A1 (en) 2006-12-07

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