EP1723282B1 - Träger für walzwerk einer faserstoffbahnmaschine - Google Patents

Träger für walzwerk einer faserstoffbahnmaschine Download PDF

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Publication number
EP1723282B1
EP1723282B1 EP05717247A EP05717247A EP1723282B1 EP 1723282 B1 EP1723282 B1 EP 1723282B1 EP 05717247 A EP05717247 A EP 05717247A EP 05717247 A EP05717247 A EP 05717247A EP 1723282 B1 EP1723282 B1 EP 1723282B1
Authority
EP
European Patent Office
Prior art keywords
rollers
machine
fibre web
support solution
body frame
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
EP05717247A
Other languages
English (en)
French (fr)
Other versions
EP1723282A2 (de
Inventor
Pasi Kakkonen
Risto Vainio
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
Metso Paper 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 Metso Paper Oy filed Critical Metso Paper Oy
Publication of EP1723282A2 publication Critical patent/EP1723282A2/de
Application granted granted Critical
Publication of EP1723282B1 publication Critical patent/EP1723282B1/de
Anticipated expiration legal-status Critical
Not-in-force 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
    • D21G1/00—Calenders; Smoothing apparatus

Definitions

  • the invention in question concerns a fibre web machine.
  • the present invention relates to a support solution in the fibre web machine for the set of rollers that includes a body frame and at least two rollers, as known from EP-A-1114 891 .
  • the set of rollers refers to anything that may include a body frame and at least two rollers affecting against each other, which can generate a compression roller nip in their contact area.
  • the rollers can be hard or soft surface rollers.
  • Such sets of rollers are, among others, in a press part, in a drying part and in a calender part of the fibre web machine. In different parts of the fibre web machine the set of rollers can dry the fibre web so with the help of a compression and/or heat and can accomplish permanent deformations by means of heat and the compression to the fibre web.
  • the set of rollers for example, can be a roller nip that calenders the fibre web, a roller nip that does not calender the fibre web or a turn nip of the fibre web, whereby utilizing the set of rollers by one can not just dry the fibre web but also form in the fibre web permanent deformations by means of the heat and the compression.
  • the fibre web machine has been arranged for the machine level traditionally in the machine hall in which case the body frame of the set of rollers has been fastened to the floor construction of the machine level from its bottom. Furthermore, the body frame of each set of rollers has been supported above the machine level on the vertical beam of the machine hall and/or fibre web machine to horizontal machine fawns.
  • the object of the present invention is to eliminate or to reduce, at least essentially, drawbacks and weaknesses, which are related to the traditional support solution of the set of rollers.
  • the object of the embodiment example which is in accordance with an aspect of the invention, is to accomplish a new support solution to the fibre web machine for the set of rollers.
  • the special object is to accomplish a new support solution for a divided set of rollers or for two consecutive sets of rollers.
  • the support solution according to the present invention in a fibre web machine for the set of rollers, which include a body frame and at least two rollers, which have been joined to machine fawns by stiff or pivot support bars, to the body frame, it is characterized that the body frame is fastened directly to the machine fawns and to a foundation below the fibre web machine, which foundation is according to an embodiment of the invention a stiff concrete foundation.
  • the body frame which supports the set of rollers, and thus the whole set of rollers is at least partly below machine level.
  • the body frame which supports the set of rollers, and thus the whole set of rollers is at least partly below machine level.
  • the set of rollers can be a divided set of rollers, which forms the multi-roller calender of the fibre web machine or the set of rollers can include at least two consecutive sets of rollers. In that case one will see above the machine level only a part from the wholeness, each of which includes the body frame and the set of rollers that is related to it.
  • a maintenance and an exchange of the rollers will become easier, the number of the lift frames decreases, for example one less lift frame or maintenance platform is needed concerning the two divided sets of rollers or the consecutive sets of rollers, thanks to which a total length of the fibre web machine can be reduced in the machine direction or in the MD direction of the fibre web machine by the amount of the lift frame or about 2 m, correspondingly.
  • FIG. presents diagrammatically a side view of the support solution, which is in accordance with the invention.
  • a support solution for a divided set of rollers A, B of a fibre web machine is disclosed as a side view in Figure 1 .
  • the set of rollers of the paper machine is a divided multi-roller calender with 10 rollers, in which calender the set of rollers A includes 5 rollers and the set of rollers B includes 5 rollers likewise.
  • First the web W goes in the set of rollers A winding downwards from above around the guide rollers into roller nips N, which are between the overlapping calender rollers, which affect each other, and then the web W goes in the set of rollers B winding upwards from below around the guide rollers into roller nips N, which are between the overlapping calender rollers, which affect each other.
  • the web is directed to the reeling.
  • each set of rollers A, B comprises body frame 10.
  • a load cylinder 6 loads in the vertical direction at least the two lowest calender roller.
  • a similar load cylinder can be arranged to affect an uppermost calender roller, in which case adjusting the load of the lowest calender roller or the uppermost calender roller or the lowest calender roller and the uppermost calender roller can regulate the load.
  • the support solution according to the present invention has generally been meant to be adapted for the supporting of the set of rollers, which include the body frame and at least two rollers.
  • the body frame 10 of the set of rollers, A, B according to the basic idea of the invention is fastened directly to horizontal machine beams 11 and to the foundation 12 below the fibre web machine, which is in the embodiment example of Figure 1 a paper machine, as the essential difference from the practice traditionally adapted, according to which the set of rollers are supported on the machine level MP or above the same.
  • the foundation 12 is a stiff concrete foundation, which essentially reduces material costs and increases the stiffness of the body frame, in which case the foundation can form a part of the body frame of the set of rollers.
  • the set of rollers at least partly stays below the machine level MP.
  • the hollow can be for example a groove in the machine hall that has been formed to the floor, which forms the machine level.
  • the support solution according to the invention to the set of rollers, which is the divided set of rollers A, B, such as for an example in Figure 1 , in which the divided set of rollers forms a multi-roller calender of the paper machine.
  • the set of rollers can consist also of two consecutive sets of rollers, A and B. Then one can arrange, thanks to the invention, a common lift frame or a common maintenance platform, which is fitted between the set of rollers of the divided set of rollers or the consecutive sets of rollers according to Figure 1 .
  • the roller maintenance and the roller exchange will be facilitated, the number of the lift frames decreases, for example, one needs one less of the lift frames or the maintenance platforms concerning two divided sets of rollers or two consecutive sets of rollers, thanks to which the total length of the fibre web machine, in other words about 2 m, can be reduced corresponding to the amount of the lift frame in the machine direction or the MD direction of the fibre web machine.

Landscapes

  • Paper (AREA)
  • Unwinding Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (6)

  1. Stützlösung in einer Faserbahnmaschine für einen Satz Walzen, welcher einen Körperrahmen (10) und zumindest zwei Walzen aufweist, wobei der Körperrahmen (10) direkt an Maschinenstützbalken (11) und an einem unteren Fundament (12) der Bahnmaschine befestigt ist, dadurch gekennzeichnet, dass das untere Fundament (12) an dem Boden eines Hohlraums (13) vorgesehen ist, der in dem Maschinenniveau (MP) einer Maschinenhalle ausgebildet ist, und dass sich die Maschinenstützbalken (11) von dem unteren Fundament (12) in Richtung des Maschinenniveaus (MP) erstrecken.
  2. Stützlösung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Fundament (12) ein steifes Betonfundament ist.
  3. Stützlösung gemäß Anspruch 1 und/oder 2, dadurch gekennzeichnet, dass sich der Satz Walzen zumindest teilweise unterhalb eines Maschinenniveaus (MP) befindet.
  4. Stützlösung gemäß Anspruch 2, dadurch gekennzeichnet, dass sich der Hohlraum (13) für einen Satz Walzen unterhalb des Maschinenniveaus (MP) erstreckt.
  5. Stützlösung gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Satz Walzen, der einen Vielspaltkalander bildet, ein geteilter Satz Walzen ist oder aus zumindest zwei aufeinanderfolgenden Sätzen von Walzen besteht.
  6. Stützlösung gemäß Anspruch 5, dadurch gekennzeichnet, dass ein Hubrahmen oder eine Wartungsplattform (14), die für den geteilten Satz Walzen oder die beiden aufeinanderfolgenden Sätzen von Walzen gemeinsam vorgesehen ist, zwischen dem Satz Walzen des geteilten Satzes Walzen oder der aufeinanderfolgenden Sätze von Walzen angeordnet ist.
EP05717247A 2004-02-24 2005-02-24 Träger für walzwerk einer faserstoffbahnmaschine Not-in-force EP1723282B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20040082U FI6391U1 (fi) 2004-02-24 2004-02-24 Tuentaratkaisu kuiturainakoneessa telastoa varten
PCT/FI2005/000120 WO2005080676A2 (en) 2004-02-24 2005-02-24 A support solution in a fibre web machine for a set of rollers

Publications (2)

Publication Number Publication Date
EP1723282A2 EP1723282A2 (de) 2006-11-22
EP1723282B1 true EP1723282B1 (de) 2011-04-06

Family

ID=31725626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05717247A Not-in-force EP1723282B1 (de) 2004-02-24 2005-02-24 Träger für walzwerk einer faserstoffbahnmaschine

Country Status (6)

Country Link
EP (1) EP1723282B1 (de)
CN (1) CN1906357A (de)
AT (1) ATE504695T1 (de)
DE (1) DE602005027325D1 (de)
FI (1) FI6391U1 (de)
WO (1) WO2005080676A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101888960A (zh) * 2007-12-05 2010-11-17 美卓造纸机械公司 用于纤维幅材的生产或处理线的配置
EP2634307B1 (de) * 2012-03-02 2016-05-11 Valmet Technologies, Inc. Verfahren zur Modernisierung eines Superkalenders und eines modernisierten Superkalenders

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985100A (en) * 1958-01-29 1961-05-23 Beloit Iron Works Calender stack
DE10000543A1 (de) * 2000-01-08 2001-07-19 Voith Paper Patent Gmbh Kalander
DE10129102B4 (de) * 2001-06-16 2005-12-15 Voith Paper Patent Gmbh Kalander

Also Published As

Publication number Publication date
FIU20040082U0 (fi) 2004-02-24
WO2005080676A2 (en) 2005-09-01
EP1723282A2 (de) 2006-11-22
CN1906357A (zh) 2007-01-31
WO2005080676A3 (en) 2005-09-29
FI6391U1 (fi) 2004-09-27
ATE504695T1 (de) 2011-04-15
DE602005027325D1 (de) 2011-05-19

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