US20100084105A1 - Roll sleeve - Google Patents

Roll sleeve Download PDF

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Publication number
US20100084105A1
US20100084105A1 US12/624,649 US62464909A US2010084105A1 US 20100084105 A1 US20100084105 A1 US 20100084105A1 US 62464909 A US62464909 A US 62464909A US 2010084105 A1 US2010084105 A1 US 2010084105A1
Authority
US
United States
Prior art keywords
roll sleeve
grooves
roll
sleeve
length
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.)
Abandoned
Application number
US12/624,649
Other languages
English (en)
Inventor
Uwe Matuschczyk
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
Assigned to VOITH PATENT GMBH reassignment VOITH PATENT GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MATUSCHCZYK, UWE
Publication of US20100084105A1 publication Critical patent/US20100084105A1/en
Abandoned legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D21F3/0227—Belts or sleeves therefor

Definitions

  • the invention relates to a roll sleeve for a press device for the dewatering of a paper, cardboard, tissue or other fibrous web in a machine for the production and/or conversion of the web.
  • Roll sleeves known from DE 197 52 725 allow for a gentle, yet intensive dewatering.
  • the pressure builds up only slowly due to the connection to the atmospheric pressure of the environment. If the groove exceeds the press nip end, a drop in pressure occurs, resulting in water spraying out of the groove. This increases its water receptivity when re-entering the press nip and thereby also increases the dewatering capacity.
  • the outer sleeve surface includes grooves progressing in approximately circumferential direction, whereby axially adjacent grooves are arranged in the same direction and are offset against each other by the same amount and the amount of the offset is between 10 and 50% of the groove length. This creates not only a uniform groove positioning, but when milling the grooves, relatively numerous grooves starting on one axial sleeve line can be milled simultaneously in one work process,.
  • every third to fifth groove begins on the same axial sleeve line.
  • the distance between adjacent grooves in the circumferential direction should be between 5 and 15 mm.
  • the axial distance between adjacent grooves should be between 2 and 4 mm.
  • the grooves should be between 0.4 and 2 mm wide and between 0.5 and 2 mm deep, preferably between 1 and 1.5 mm deep.
  • the axial side walls of the grooves can progress vertically or slightly slanting. They may also be chamfered.
  • the groove bottom is formed in an axial direction by the arc of a circle whose radius is between 0.2 mm and 1 mm, preferably between 0.5 and 0.8 mm.
  • the groove bottom at the groove ends should be formed in a circumferential direction by the arc of a circle whose radius is between 30 and 150 mm, preferably between 60 and 100 mm.
  • the grooves, in the circumferential direction have a length of between 50 and 150 mm.
  • a return flow in the direction of the press nip inlet of the water, which was collected by the groove is impeded if the grooves have a length in the circumferential direction, which corresponds to between 20 and 60% of the length of the press nip, which is formed by the roll sleeve and a mating roll.
  • the roll shell is equipped with blind bores which can be located between the grooves and/or in the grooves.
  • the roll sleeve additionally include recesses extending over the entire roll circumference.
  • the recesses are located axially between the grooves and/or if at least one recess zone with several axially adjacent recesses.
  • the roll sleeve is made of a flexible material and should preferably contain woven, fibrous or thread-type reinforcement material.
  • FIG. 1 is a schematic cross section view through a shoe press in a papermaking machine
  • FIG. 3A illustrates a cross sectional view through a groove of the roll sleeve of FIG. 2 ;
  • FIG. 3B illustrates a longitudinal cross sectional view through the groove of the roll sleeve of FIG. 2 .
  • FIG. 1 there is shown a fibrous web 1 together with a water absorbing and a water permeable dewatering belt 11 and 12 on each side of fibrous web 1 in the form of a press felt is carried through the press nip, which is formed by a shoe press roll 3 and a mating roll 6 .
  • the water, which is pressed from fibrous web 1 is absorbed by dewatering belts 11 and 12 and is partially transferred to roll sleeves 2 .
  • at least roll sleeve 2 of shoe press 3 is contoured.
  • shoe press roll 3 possesses a flexible roll sleeve 2 , constructed of a fiber reinforced synthetic material which is pressed by a pressure element 10 having a concave press surface onto a cylindrical mating roll 6 .
  • the contour of roll sleeve 2 is essentially provided by grooves 4 which progress in a circumferential direction 9 and which also may be supplemented by blind bores and/or continuous recesses progressing in circumferential direction 9 .
  • the axially adjacent grooves 4 as viewed in an axial direction are located offset to each other by 33% of the groove length in the same direction, as shown in FIG. 2 in circumferential direction 9 . Therefore, every third axially adjacent groove 4 starts on the same axial sleeve line so that several of these grooves 4 can be milled simultaneously, using one milling cutter.
  • the axial distance between adjacent grooves is between 2 and 4 mm.
  • grooves 4 In order to create a large water retention capacity grooves 4 have a width of between 0.4 and 2 mm and a depth of between 1 and 1.5 mm.
  • Side walls 5 of grooves 4 are essentially vertical and transition into a groove bottom 7 which, in order to minimize tensions in roll sleeve 2 , according to FIG. 3A , as viewed in the axial direction is formed by the arc of a circle whose radius is between 0.5 and 0.8 mm.
  • groove bottom 7 at groove ends 8 is formed by an arc of a circle whose radius is between 60 and 100 mm. This supports an as uniform as possible dewatering characteristic and allows for short groove bridges between grooves 4 in circumferential direction 9 .
  • grooves 4 have a length in circumferential direction 9 which is consistent with between 20 and 60% of the length of the press nip, in this instance specifically between 50 and 150 mm.

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  • Paper (AREA)
US12/624,649 2007-06-02 2009-11-24 Roll sleeve Abandoned US20100084105A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007025816A DE102007025816A1 (de) 2007-06-02 2007-06-02 Walzenmantel
DE102007025816.1 2007-06-02
PCT/EP2008/051826 WO2008148584A1 (de) 2007-06-02 2008-02-15 Walzenmantel

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/051826 Continuation WO2008148584A1 (de) 2007-06-02 2008-02-15 Walzenmantel

Publications (1)

Publication Number Publication Date
US20100084105A1 true US20100084105A1 (en) 2010-04-08

Family

ID=39199369

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/624,649 Abandoned US20100084105A1 (en) 2007-06-02 2009-11-24 Roll sleeve

Country Status (5)

Country Link
US (1) US20100084105A1 (ja)
EP (1) EP2155960A1 (ja)
JP (1) JP2010529315A (ja)
DE (1) DE102007025816A1 (ja)
WO (1) WO2008148584A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100314065A1 (en) * 2007-11-20 2010-12-16 Ichikawa Co., Ltd. Paper making shoe press belt

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4477025B2 (ja) 2007-03-12 2010-06-09 イチカワ株式会社 抄紙用シュープレスベルト
DE102010028917A1 (de) 2010-05-12 2011-11-17 Voith Patent Gmbh Pressmantel für eine Schuhpresse
EP2602387B1 (en) * 2011-12-07 2016-07-06 Valmet Aktiebolag A paper making machine, an extended nip roll and a method of producing tissue paper
DE102012215617A1 (de) 2012-09-04 2013-10-17 Voith Patent Gmbh Pressmantel für Schuhpressen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004429A (en) * 1996-12-23 1999-12-21 Voith Sulzer Papiermaschinen Gmbh Machine and method for producing a fibrous creped web

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19752725A1 (de) 1997-11-28 1999-06-02 Voith Sulzer Papiertech Patent Preßmantel
CN1875148B (zh) * 2003-11-03 2012-05-16 阿尔巴尼国际公司 具有变化沟槽的皮带
RU2406792C2 (ru) * 2003-11-18 2010-12-20 Олбани Интернешнл Корп. Лента с желобчатой поверхностью, предназначенная для использования в станинном прессе
FI118227B (fi) * 2005-10-14 2007-08-31 Tamfelt Oyj Abp Puristinhihna

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6004429A (en) * 1996-12-23 1999-12-21 Voith Sulzer Papiermaschinen Gmbh Machine and method for producing a fibrous creped web

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE 197 52 725, English Language Translation, June 2, 1999. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100314065A1 (en) * 2007-11-20 2010-12-16 Ichikawa Co., Ltd. Paper making shoe press belt
US8262864B2 (en) 2007-11-20 2012-09-11 Ichikawa Co., Ltd. Paper making shoe press belt

Also Published As

Publication number Publication date
JP2010529315A (ja) 2010-08-26
EP2155960A1 (de) 2010-02-24
DE102007025816A1 (de) 2008-12-04
WO2008148584A1 (de) 2008-12-11

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Legal Events

Date Code Title Description
AS Assignment

Owner name: VOITH PATENT GMBH,GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MATUSCHCZYK, UWE;REEL/FRAME:023662/0713

Effective date: 20091212

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION