EP3017111B1 - Tambour de séchage à grand cylindre et procédé de fabrication d'un tambour de séchage à grand cylindre - Google Patents

Tambour de séchage à grand cylindre et procédé de fabrication d'un tambour de séchage à grand cylindre Download PDF

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Publication number
EP3017111B1
EP3017111B1 EP14727517.6A EP14727517A EP3017111B1 EP 3017111 B1 EP3017111 B1 EP 3017111B1 EP 14727517 A EP14727517 A EP 14727517A EP 3017111 B1 EP3017111 B1 EP 3017111B1
Authority
EP
European Patent Office
Prior art keywords
shaft
hollow
hollow shaft
cylinder
caps
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
EP14727517.6A
Other languages
German (de)
English (en)
Other versions
EP3017111A1 (fr
Inventor
Christian Schmid
Robson CONSOLATO
Marco BRUJAS
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
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 Patent GmbH filed Critical Voith Patent GmbH
Publication of EP3017111A1 publication Critical patent/EP3017111A1/fr
Application granted granted Critical
Publication of EP3017111B1 publication Critical patent/EP3017111B1/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
    • 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
    • D21F5/021—Construction of the cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49549—Work contacting surface element assembled to core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49556—Work contacting surface element assembled to end support members

Definitions

  • the invention relates to a large-cylinder drying roller according to the preamble of claim 1. Also, the invention relates to a method for producing such a large-cylinder drying roller.
  • Such large-cylinder drying rollers are for example from the EP 2 385 171 B1 or from the US 3,061,944 or from the US2,328,321 Known, where they usually - depending on the application - Yankee roll in the production of tissue paper or tissue papers or soft papers, MG-rolls ( machine glazed ) in the production of machine-smooth papers or drying cylinders in the production of cardboard papers or be called graphical papers.
  • Corresponding large-cylinder drying rollers can be heated, which can be done by, for example, introduced into the large cylinder drying roller steam. It is understood that - depending on the concrete implementation - other related energy sources can be used.
  • this solution is based on the common inventive basic idea of prefabricating the large-cylinder drying roller initially in small but as complete as possible structural units, which are in each case subjected to individually uniform production steps, and then to connect them first. So then a construction of cylinder jacket and lids can be machined separately and also treated thermally. Likewise, hollow shaft parts can already be prepared in smaller units, before then the entire large cylinder drying roller is assembled.
  • the inner shaft is a hollow shaft divided into at least two hollow shaft parts, and the two hollow shaft parts are connected or connectable via a hollow shaft connection which is accessible from the interior of the hollow shaft.
  • a hollow shaft connection which is accessible from the interior of the hollow shaft.
  • the drying roller is no longer annealed until it is put into operation, so that the corresponding dimensional accuracy remains.
  • larger welding work which require a significant energy input, no longer performed. It is understood that welding in radially inner areas as well as spot or tack welds can certainly still be carried out, as or if they do not adversely affect the concentricity properties.
  • the pins may for example be integrally formed with the lids. However, this will usually be the case only for smaller large cylinder drying rollers. It is also conceivable, the pin integral with the hollow shaft train as exemplified in the EP 2 385 171 B1 or in the US 3,061,944 is disclosed. Also, the pins can be attached as separate assemblies to the lid, as this also in the EP 2 385 171 B1 , and there as prior art, is shown.
  • At least one of the hollow shaft parts is closed by a pin, so that activities inside the hollow shaft, for example a closing of the hollow shaft connection after insertion of the hollow shaft parts are readily possible.
  • connection between the cylinder jacket and the covers is welded, in particular by a plurality of weld beads comprehensive annular weld.
  • a weld is on the one hand highly durable and dimensionally stable.
  • it is also tight, which is particularly advantageous when the large cylinder drying roller is under pressure. Also thermal loads holds a corresponding weld without further notice.
  • connections provided on the large cylinder dryer roll may also be welded. However, connections that need to be opened for maintenance are preferably bolted.
  • connection of the two inner shaft parts or hollow shaft parts takes place by a screw connection.
  • a well-stabilized connection - and accordingly a well-stabilized hollow shaft - follows when at least one of the hollow shaft parts has an inner wall, which is part of the hollow shaft connection.
  • Such an inner wall can in particular be aligned perpendicular to the main axis of the large cylinder drying roller and optionally also represent a boundary wall, which separates the two hollow shaft parts in the interior, so that the one hollow shaft side can be used as an input for an energy source, such as steam, and the other hollow shaft side as an output.
  • At least one of the lids has a radial extent extending from its radial inner side to its radial outer side of between 600 mm and 1100 mm, preferably between 650 mm and 1000 mm.
  • This requires for a given radius of the cylindrical cylinder jacket as large a lid opening through which then appropriate edits and tests can be carried out easily and reliable inside the construction of cylinder jacket and lid without the lid too small extension for necessary assemblies such For example, about existing manholes having.
  • an extension of these dimensions requires the largest possible inner or hollow shaft, which increases the rigidity of the large-cylinder drying roller, and thus the degree of concentricity and also the inherent rigidity of the lid. Depending on the specific situation then correspondingly less massive assemblies can be used.
  • a manhole can also be provided in a cover connecting flange, by means of which the hollow shaft is connected to one of the covers, so that access to the large cylinder drying roller is possible.
  • a manhole can also be provided in an inner wall of the hollow shaft, so that it is possible to move from one hollow shaft part to another part.
  • a manhole is provided in at least one axial wall of the hollow shaft, so for example in a DeckelENSsflansch or in an inner wall but also in any other axial wall of the hollow shaft.
  • a manhole is provided in at least one axial wall of the hollow shaft, so for example in a Deckelitatisflansch or in an inner wall but also in any other axial wall of the hollow shaft.
  • a manhole is provided in at least one axial wall of the hollow shaft.
  • a manhole is provided in addition to pointing to the cylinder jacket walls of the hollow shaft, so for example in cylindrical walls of the hollow shaft, at least one additional manhole to then reach from the hollow shaft and the interior of
  • large-cylinder drying roller 10 consists of a cylindrical cylinder jacket 20, two on both sides of the cylinder jacket attached lids 31, 32, a coaxially disposed inside the cylinder jacket 20 inner shaft 50 and two pins 41, 42 which are provided on the inner shaft 50, the in turn connected to the covers 31, 32.
  • the lid 31, 32 respectively welded to the cylinder jacket 20, wherein in this embodiment, a two-sided mechanically machined weld 34 is provided, which can minimize stresses and notch effect in the affected by the welding zone.
  • the cylinder shell 20 also has grooves 22 and webs 23 which are known per se, through which condensate can be purposefully intercepted in a manner known per se and can be removed via arrangements known per se but not shown here.
  • the weld 35 is located between the covers 31, 32 and the cylinder jacket 20 in a direction perpendicular to the roll axis 15th extending area between the lid 31, 32 and cylinder jacket 20, wherein other embodiments of the transition between the cover 31, 32 and cylinder jacket 20 conceivable or already known from the prior art, for example, in a direction perpendicular to this area, than in parallel to the roll axis 15 extending area, without the above and below explained advantages in terms of production and specific design of the large cylinder drying roller 10 suffer from this.
  • manholes 38 are provided, through which you can get into the interior 25 of the cylinder jacket 20 even after assembly of the large cylinder drying roller 10.
  • Manholes may also be provided in the cylindrical wall of the inner shaft 50, if the inner shaft 50, as in the present embodiment, is designed as a hollow shaft 60 in order to be able to reach the interior 65 of the hollow shaft 60.
  • Such manholes can be provided, for example, on cover connection flanges 67, 68 of the hollow shaft 60 or else in the cylindrical wall of the hollow shaft 60. It is also conceivable to provide such a manhole on an inner wall 69 of the hollow shaft 60 when the hollow shaft 60 - as in this embodiment - or the inner shaft 50 is divided into two hollow shaft parts 61, 62 and inner shaft parts 51, 52.
  • cover connecting flanges 67, 68 which, if further manholes are provided in the walls of the hollow shaft 60 or the hollow shaft parts 61, 62, for example in the cylindrical wall or the inner walls 69, not only an access in the interior 65 of the hollow shaft 60 and the respective hollow shaft part 61, 62 but also allow access to the interior 25 of the cylinder jacket 20 and 65 of the other hollow shaft parts 61, 62.
  • both covers 31, 32 each have a radial inner side 35 and radial outer side 36, which are spaced apart from each other by an extension H.
  • the extension H is chosen in this embodiment with 800 mm, so that the manholes 38 can be made sufficiently large.
  • the extension H is selected between 900 mm and 700 mm, so that here too enough space for manholes 38 remains and it is ensured that the radius of the respective central lid opening 37 of the lid 31, 32 remains sufficiently large that machine parts , Mechanical machining centers and test equipment can be reliably stored in the interior 25 of the cylinder jacket 20 can be used to meet the necessary tasks even from the inside or on the inside of the construction of cylinder jacket 20 and cover 31, 32 reliable.
  • FIG. 3 For the production of the large cylinder drying roller 10 are first in FIG. 3 separately provided assemblies.
  • the covers 31, 32 are first connected to the cylinder jacket 20.
  • annealing of the overall construction takes place before the mechanical processing, so that any distortion or its consequences can be eliminated by the mechanical processing.
  • a check of the welds 34 and other parameters can be carried out easily. It is also conceivable that supplementary assemblies are introduced into the interior 25 of the cylinder jacket 20 at this time.
  • the two hollow shaft parts 61, 62 introduced from both sides in each case in the construction of cylinder jacket 20 and cover 31, 32, for which all assemblies of the hollow shaft 60 and the hollow shaft parts 61, 62 radially within by the respective Deckelitatisflansche 67, 68 defined sub-cylinders 71, 72 (see FIG. 3 ) or radially within a defined by the two Deckelitatisflansche 67, 68 cylinder 70 (see FIG. 1 ) are arranged, so that insertion without problems can be done.
  • Any assemblies which are connected to the hollow shaft parts 61, 62 and project radially beyond the sub-cylinders 71, 72 or over the cylinder 70, can optionally be nachmontiert after insertion of the hollow shaft parts 61, 62.
  • each hollow shaft part 61, 62 has an inner wall 69, which are arranged axially in the interior 25 of the cylinder jacket 20 and form parts of a hollow shaft connection 63 or an inner shaft connection 53, by the inner walls 69 of the two hollow shaft parts 61, 62 via connecting elements , which are screws in this embodiment, for connecting the hollow shaft parts 61, 62 and the inner shaft parts 51, 52 are connected to each other.
  • the Deckelitatisflansche 67, 68 are connected to the covers 31, 32, which also takes place in this embodiment by screws.
  • the interior 65 of the hollow shaft 60 can still be achieved in order to manipulate the hollow shaft connection 63 or the inner shaft connection 53 on the one hand or to carry out other structural measures there on the other hand.
  • the pins 41, 42 are inserted into the central hollow shaft opening 64, so that the hollow shaft 60 is thereby closed.
  • the pins 41, 42 are hollow in a conventional manner, so that in this case still the interior 65 of the hollow shaft 60 can be achieved in a conventional manner.
  • the pins 41, 42 are also bolted to the Deckelitatisflanschen 67, 68, wherein it is conceivable in a modified embodiment, here a welded joint, for example, a spot weld or a circumferential weld provided, since the total energy input at this point may be sufficient can be controlled and a significant delay under certain circumstances is not to be expected here. Likewise, other types of connections are conceivable at this point.

Landscapes

  • Rolls And Other Rotary Bodies (AREA)
  • Drying Of Solid Materials (AREA)

Claims (10)

  1. Tambour de séchage à grand cylindre (10) sous la forme d'un tambour Yankee ou d'un tambour MG constitué au moins d'une enveloppe de cylindre (20) de forme cylindrique, de deux couvercles (31, 32) placés des deux côtés de l'enveloppe de cylindre (20), d'un arbre intérieur (50) disposé coaxialement à l'intérieur de l'enveloppe de cylindre (20) ainsi que de deux tourillons (41, 42) prévus indirectement par le biais de l'arbre intérieur (50) connecté aux couvercles (31, 32) ou directement sur les couvercles (31, 32),
    l'arbre intérieur (50) étant un arbre creux (60) divisé en au moins deux parties d'arbre creux (61, 62), caractérisé en ce que les deux parties d'arbre creux (61, 62) sont connectées ou peuvent être connectées l'une à l'autre par le biais d'une connexion d'arbre creux (63) qui est accessible depuis l'intérieur (65) de l'arbre creux (60).
  2. Tambour de séchage à grand cylindre (10) selon la revendication 1, caractérisé en ce qu'au moins l'une des parties d'arbre creux (61, 62) est fermée par un tourillon (41, 42).
  3. Tambour de séchage à grand cylindre (10) selon la revendication 1 ou 2, caractérisé en ce qu'au moins l'une des parties d'arbre creux (61, 62) présente une paroi intérieure (69) qui fait partie de la connexion d'arbre creux (63).
  4. Tambour de séchage à grand cylindre (10) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins l'un des couvercles (31, 32) présente une étendue radiale (H) s'étendant depuis son côté intérieur radial (35) jusqu'à son côté extérieur radial (36) comprise entre 600 mm et 1100 mm, de préférence entre 650 mm et 1000 mm.
  5. Tambour de séchage à grand cylindre (10) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que dans au moins l'un des couvercles (31, 32) et/ou dans au moins une paroi axiale de l'arbre creux (60) est prévu un trou d'homme (38).
  6. Procédé de fabrication d'un tambour de séchage à grand cylindre (10) sous la forme d'un tambour Yankee ou d'un tambour MG constitué au moins d'une enveloppe de cylindre (20) de forme cylindrique, de deux couvercles (31, 32) placés des deux côtés de l'enveloppe de cylindre (20), d'un arbre intérieur (50) disposé coaxialement à l'intérieur de l'enveloppe de cylindre (20) ainsi que de deux tourillons (41, 42) prévus indirectement par le biais de l'arbre intérieur (50) connecté aux couvercles (31, 32) ou directement sur les couvercles (31, 32),
    l'arbre intérieur (50) étant un arbre creux divisé (60) dont les deux parties d'arbre creux (61, 62) sont connectées par une connexion d'arbre creux (63) située radialement à l'intérieur (65) de l'arbre creux (60), dans lequel procédé, tout d'abord l'enveloppe de cylindre (20) et les couvercles (31, 32) sont connectés les uns aux autres et ensuite des deux côtés à chaque fois une partie d'arbre creux (61, 62) est insérée et puis l'arbre intérieur (50) est connecté en soi et aux couvercles (31, 32), la connexion d'arbre creux (63), après l'insertion des deux parties d'arbre creux (61, 62) de l'arbre creux (60), étant fermée à partir de l'intérieur de l'arbre creux.
  7. Procédé de fabrication selon la revendication 6, caractérisé en ce que les deux parties d'arbre creux (61, 62) de l'arbre creux (60), après la fermeture de la connexion d'arbre creux (63), sont fermées par la connexion des tourillons aux parties d'arbre creux.
  8. Procédé de fabrication selon l'une quelconque des revendications 6 à 7, caractérisé en ce qu'après l'insertion de l'arbre intérieur (50), le tambour de séchage à grand cylindre (10) n'est plus recuit jusqu'à sa mise en fonctionnement.
  9. Procédé de fabrication selon l'une quelconque des revendications 6 à 8, caractérisé en ce que l'usinage mécanique ou le contrôle de la connexion entre les couvercles (31, 32) et l'enveloppe de cylindre (20) s'effectuent avant l'insertion de l'arbre intérieur (50) à travers des ouvertures de couvercle centrales.
  10. Procédé de fabrication selon l'une quelconque des revendications 6 à 9, caractérisé en ce qu'après l'insertion de l'arbre intérieur (50), des modules sont encore appliqués à l'intérieur (25) de l'enveloppe cylindrique de cylindre (20) et/ou au niveau de l'arbre intérieur (50).
EP14727517.6A 2013-07-05 2014-06-02 Tambour de séchage à grand cylindre et procédé de fabrication d'un tambour de séchage à grand cylindre Not-in-force EP3017111B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013213188 2013-07-05
PCT/EP2014/061332 WO2015000648A1 (fr) 2013-07-05 2014-06-02 Tambour de séchage à grand cylindre et procédé de fabrication d'un tambour de séchage à grand cylindre

Publications (2)

Publication Number Publication Date
EP3017111A1 EP3017111A1 (fr) 2016-05-11
EP3017111B1 true EP3017111B1 (fr) 2017-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14727517.6A Not-in-force EP3017111B1 (fr) 2013-07-05 2014-06-02 Tambour de séchage à grand cylindre et procédé de fabrication d'un tambour de séchage à grand cylindre

Country Status (4)

Country Link
US (2) US9885152B2 (fr)
EP (1) EP3017111B1 (fr)
CN (1) CN105358761B (fr)
WO (1) WO2015000648A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015200896A1 (de) * 2015-01-21 2016-02-11 Voith Patent Gmbh Trockenzylinder
CN104792149A (zh) * 2015-04-27 2015-07-22 江苏华东造纸机械有限公司 工业钢制焊接加热烘筒
ITUB20151129A1 (it) * 2015-05-27 2016-11-27 Celli Mauro Metodo per produrre un cilindro monolucido perfezionato
BR112017027424A2 (pt) * 2015-06-23 2018-08-28 A. Celli Paper S.P.A. método para montar um cilindro secador yankee
SE540216C2 (en) * 2016-03-31 2018-05-02 Valmet Oy A yankee drying cylinder for drying a fibrous web and a method of making a yankee drying cylinder
CN111001960B (zh) * 2019-12-18 2021-06-11 安德里茨（中国）有限公司 扬克缸缸段预加工件以及用于制造扬克缸的方法

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US2328321A (en) 1939-07-31 1943-08-31 Beloit Iron Works Drier drum
US3052039A (en) * 1957-11-29 1962-09-04 Kimberly Clark Co Paper making machine
GB902641A (en) * 1957-11-29 1962-08-09 Kimberly Clark Co Improvements in and relating to drum dryers for paper-making machines
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US3299531A (en) * 1964-08-21 1967-01-24 Kimberly Clark Co Papermaking machine
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BRPI0721415B1 (pt) 2007-03-01 2020-11-10 Toscotec S.P.A. cilindro yankee feito de aço, que inclui uma carcaça cilíndrica unida a duas extremidades
AT509053B1 (de) 2010-05-06 2011-06-15 Andritz Ag Maschf Yankeezylinder zum trocknen einer faserstoffbahn

Also Published As

Publication number Publication date
CN105358761B (zh) 2017-11-28
CN105358761A (zh) 2016-02-24
US9885152B2 (en) 2018-02-06
WO2015000648A1 (fr) 2015-01-08
EP3017111A1 (fr) 2016-05-11
US10179974B2 (en) 2019-01-15
US20180044855A1 (en) 2018-02-15
US20160130758A1 (en) 2016-05-12

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