EP3017111A1 - 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

Info

Publication number
EP3017111A1
EP3017111A1 EP14727517.6A EP14727517A EP3017111A1 EP 3017111 A1 EP3017111 A1 EP 3017111A1 EP 14727517 A EP14727517 A EP 14727517A EP 3017111 A1 EP3017111 A1 EP 3017111A1
Authority
EP
European Patent Office
Prior art keywords
hollow shaft
cylinder
cylinder jacket
drying roller
shaft
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.)
Granted
Application number
EP14727517.6A
Other languages
German (de)
English (en)
Other versions
EP3017111B1 (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

Links

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 at least consisting of a cylindrical cylinder jacket of two attached on both sides of the cylinder cover, from a coaxially disposed inside the cylinder jacket inner shaft and two indirectly via the inner shaft connected to the lids or directly to the lids provided pin , Likewise, the invention relates to a method for producing such a large-cylinder drying roller, wherein first the cylinder jacket and the lid are connected to each other and then inserted the inner shaft and connected to the covers.
  • Such large-cylinder drying rollers are known, for example, from EP 2 385 171 B1 or from US Pat. No. 3,061,944, wherein they usually - depending on the application - Yankee roller in the production of tissue papers or in hygiene papers or soft Papers, machine-lathe machine-lathe machines are used in the manufacture of machine-smooth papers or drying cylinders in the manufacture of paperboard papers or graphic 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.
  • EP 2 385 171 B1 proposes first to connect the cylinder jacket with the two covers, preferably to weld, because then the interior of the large cylinder drying roller is still easily accessible and also corresponding work inside easy to carry out are. Only then will this be the one-piece Inner shaft inserted through openings of the lid in the construction of covers and cylinder jacket and connected to the covers.
  • this solution is based on the common inventive basic idea of prefabricating the large-cylinder drying roller first in small but as complete as possible structural units, which are in each case subjected to individually uniform production steps, and then to join them. 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.
  • Such a configuration makes it possible to connect the split hollow shaft from the inside out to a hollow shaft, which is much simpler in terms of design and production technology than if such a connection has to be closed from the outside before the hollow shaft is inserted into the cover and cylinder jacket construction can.
  • the two hollow shaft parts are connected to a hollow shaft connection located radially inside the hollow shaft and the hollow shaft connection is closed after the insertion of the two hollow shaft parts of the hollow shaft.
  • a manufacturing, functional and cost-optimized design follows, if a large cylinder dryer roll at least consisting of a cylindrical cylinder jacket of two on both sides of the cylinder jacket lids, arranged from a coaxially disposed inside the cylinder jacket inner shaft and two indirectly via the with the lids connected inner shaft or directly provided on the lids pin characterized in that the inner shaft is divided into at least two hollow shaft parts hollow shaft and the two hollow shaft parts of the hollow shaft respectively at its hollow shaft connection opposite axial side a Deckelitatis flange for use with one of the cover and all assemblies of a disposed within the cylinder shell portion of a hollow shaft part are arranged radially within a defined by the Deckelitatisflansch axially extending part cylinder or sow mlichliche assemblies of a disposed within the cylinder jacket portion of the hollow shaft are arranged radially within a defined by the two Deckelitatisflansche axially extending cylinder.
  • Such a configuration ensures that the two hollow shaft parts can be readily used from both sides in the lid already connected to the cylinder jacket. It is understood that depending on the specific design of the large cylinder drying roller can still be mounted later mounting parts, such as condensate lines, nozzles or similar compounds in the hollow shaft or in the space between the cylinder jacket and hollow shaft or inner shaft.
  • Calculations can be set higher.
  • the risk of stress cracks in welds or in the affected by the welding zone can be reduced, with the possibility of testing from the inside is the correspondingly advantageous.
  • modules such as the inner shaft parts on the one hand and the construction of cylinder jacket and lids on the other hand, hinder any work on the other modules not.
  • the drying roller is no longer annealed until it is put into operation, so that the corresponding dimensional stability 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 form, as disclosed by way of example in EP 2 385 171 Bl or in US 3,061,944. Also, the pins can be attached as separate assemblies to the lid, as this is also in the EP 2 385 171 Bl, and there as the 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 preferably welded, in particular by an annular weld seam comprising a plurality of weld beads.
  • 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.
  • other connections provided on the large cylinder drying roller may be welded. However, connections that must be opened for maintenance purposes 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 may in particular be aligned perpendicular to the main axis of the large cylinder drying roller and possibly also constitute a boundary wall, which separates the two hollow shaft parts inside, so that the hollow shaft side as an input for an energy source, such as steam, and the other hollow shaft side than Output can be used.
  • 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 performed easily and reliable inside the construction of cylinder jacket and lid without the lid too small extension for necessary assemblies, such as 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 may 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
  • FIG. 2 shows the drying roller according to FIG. 1 in a side view
  • FIGS. 1 and 2 shows the large-cylinder drying roller according to FIGS. 1 and 2 before the insertion of the
  • 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 provided on the inner shaft 50 are, which in turn is connected to the covers 31, 32.
  • the covers 31, 32 are each welded to the cylinder jacket 20, wherein in this exemplary embodiment a weld seam 34 machined on both sides is provided, whereby stresses and notch effect in the zone influenced by the welding minimize.
  • the cylinder shell 20 also has known grooves 22 and webs 23, through which condensate can be selectively intercepted in a conventional manner and discharged via known per se, but not shown here arrangements.
  • the weld seam 35 lies between the covers 31, 32 and the cylinder jacket 20 in a direction perpendicular to the roll axis 15 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 by an extension H from each other.
  • 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.
  • assemblies shown separately in FIG. 3 are initially provided separately.
  • the covers 31, 32 are first connected to the cylinder jacket 20.
  • 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 Figure 3) or radially within a defined by the two Deckelitatisflansche 67, 68 cylinder 70 (see Figure 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 represent parts of a hollow shaft connection 63 or an inner shaft connection 53, in that 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 interconnected.
  • cover connecting flanges 67, 68 are also connected to the covers 31, 32, which in this embodiment also takes place by means of 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 with the Deckelitatisflanschen 67, 68 are also screwed, and it is conceivable in a modified embodiment, here a welded joint, for example, a point welding or a circumferential weld to provide, since the total energy input If necessary, sufficient control can be taken at this point and a significant delay may not be expected here. Likewise, other types of connections are conceivable at this point.
  • a welded joint for example, a point welding or a circumferential weld to provide, since the total energy input If necessary, sufficient control can be taken at this point and a significant delay may not be expected here.
  • other types of connections are conceivable at this point.

Landscapes

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

Abstract

Pour des raisons de fabrication, un tambour de séchage à grand cylindre est pourvu d'un arbre creux segmenté dont les segments d'arbre creux peuvent être insérés bilatéralement dans une construction composée d'une chemise de cylindre et d'un couvercle relié à la chemise de cylindre au moyen d'un cordon de soudure, puis reliés l'un à l'autre et au couvercle.
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 true EP3017111A1 (fr) 2016-05-11
EP3017111B1 EP3017111B1 (fr) 2017-03-22

Family

ID=50877295

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
US3118743A (en) * 1959-04-15 1964-01-21 Kimberly Clark Co Papermaking drier drum
US3061944A (en) * 1959-04-15 1962-11-06 Kimberly Clark Co Papermaking machine
US3241251A (en) * 1963-09-09 1966-03-22 Beloit Corp Cylindrical dryer
US3116985A (en) 1960-07-26 1964-01-07 Kimberly Clark Co Papermaking drying drum
US3258851A (en) 1962-09-17 1966-07-05 Beloit Corp Dryer construction
US3299531A (en) * 1964-08-21 1967-01-24 Kimberly Clark Co Papermaking machine
US3299530A (en) * 1965-03-11 1967-01-24 Kimberly Clark Co Papermaking machine
US3633662A (en) * 1970-01-16 1972-01-11 Beloit Corp Dryer drum assembly
US3808700A (en) * 1972-12-26 1974-05-07 Kimberly Clark Co Rotary drying drum
US4320582A (en) 1979-03-09 1982-03-23 United States Steel Corporation Yankee Dryer and method of fabrication
US4878299A (en) * 1987-07-10 1989-11-07 Beloit Corporation Insulating apparatus for thermally insulating a dryer head
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
US10179974B2 (en) 2019-01-15
US20180044855A1 (en) 2018-02-15
EP3017111B1 (fr) 2017-03-22
US20160130758A1 (en) 2016-05-12

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