EP1215336A2 - Entwässerungsleiste für eine Papiermaschine - Google Patents
Entwässerungsleiste für eine Papiermaschine Download PDFInfo
- Publication number
- EP1215336A2 EP1215336A2 EP01129550A EP01129550A EP1215336A2 EP 1215336 A2 EP1215336 A2 EP 1215336A2 EP 01129550 A EP01129550 A EP 01129550A EP 01129550 A EP01129550 A EP 01129550A EP 1215336 A2 EP1215336 A2 EP 1215336A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterblade
- assembly
- fixed
- fixed structure
- wires
- 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
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/48—Suction apparatus
- D21F1/483—Drainage foils and bars
- D21F1/486—Drainage foils and bars adjustable
Definitions
- the present invention relates to a counterblade assembly for a paper machine.
- paper machines comprise a unit, or wet section, for separating water from the pulp, and where the pulp is fed and compressed between two permeable wires overlapping along a portion of their respective paths.
- one of the wires in particular, the top wire
- the counterblades are normally mounted to slide inside vertical runners, and, in one known solution, are pushed towards the wires by a flexible tubular pneumatic actuator located beneath each counterblade and "inflated" with compressed air.
- a major drawback of the above counterblade setup lies in the aqueous solution removed from the pulp compressed between the wires seeping between the counterblades and respective runners and forming deposits which, following stoppage of the machine, may result in the counterblades jamming, or in uneven lift of the counterblades across the width of the wires.
- a counterblade assembly for a wet section of a paper machine, comprising a fixed structure fixed to a frame of the machine; and a counterblade connected to said fixed structure and moved, with respect to it, by actuating means to exert pressure on two wires traveling between said counterblade and a guide surface; characterized by comprising articulated-parallelogram connecting means interposed between said counterblade and said fixed structure.
- Number 1 in Figure 1 indicates as a whole a unit, or wet section, for removing water from pulp on a paper machine.
- Unit 1 comprises two wires 2, 3 traveling along respective endless paths and overlapping along a substantially horizontal common portion P of the two paths P1, P2.
- the top wire 3 is supported, powered and kept taut by a number of cylinders 4 fitted to a fixed frame 5.
- Vacuum box 6 is defined at the bottom by a number of bottom transverse elements 7 supporting wire 3 and conveniently defined by parallel ceramic inserts spaced apart and defining as a whole a guide surface 8 for guiding wire 3.
- Wires 2 and 3 are kept contacting each other and guide surface 8 by a number of counterblades 9, each of which forms part of a respective counterblade assembly 10 shown in detail in Figures 2 to 4.
- Assembly 10 comprises a fixed supporting structure 13 defined by a bar 14, fitted removably to frame 5 of unit 1 and extending across the full width of wires 2, 3, and by a number of posts 15 fixed to the top of, projecting from, and equally spaced along, bar 14.
- a number of posts 15 fixed to the top of, projecting from, and equally spaced along, bar 14.
- wires 2, 3 of 3 m in width six equally spaced posts 15 may be used.
- Counterblade 9 is defined by a main body 17 extending across wires 2, 3 and conveniently made of plastic material, and has a ceramic insert 18 extending along a top edge of body 17 and which slides against wire 2.
- a vertical face 20 of main body 17 facing fixed structure 13 is fitted with a number of equally spaced vertical bars 21, each facing and connected to a respective post 15 of fixed structure 13 by pairs of articulated rod elements 16.
- Each post 15 defines, with respective bar 21 and elements 16, an articulated-parallelogram connecting assembly 22 interposed between bar 14 and counterblade 9.
- counterblade 9 is movable in a substantially vertical direction with no need for runners.
- each connecting assembly 22 comprises two pairs of elements 16 located on opposite sides of post 15 and bar 21, and each defined by two parallel elements 16 extending in a substantially horizontal direction.
- Each element has one end 16a hinged to post 15, and one end 16b hinged to bar 21.
- Body 17 of counterblade 9 has a bottom longitudinal recess 24 partly housing a pneumatic actuator 25 defined by a flexible tubular element.
- Actuator 25 rests on a base plate 26 forming part of frame 5 of unit 1, and is connectable to and pressurised by a compressed-air source (not shown) to lift counterblade 9 into contact with wire 2 with a pressure depending on the pressure in the actuator itself.
- Counterblade 9 is movable between a top and a bottom limit position shown by the dash lines in Figure 2 and defined respectively by bars 21 contacting respective top stop plates 28 fixed to posts 15, and by bars 21 contacting bar 14.
- elements 16 are substantially horizontal; and, within the adjustment range of counterblade 9 as a function of the pressure of actuator 25, the movement of counterblade 9 is substantially similar to a straight vertical translatory movement.
- counterblade assembly 10 according to the present invention will be clear from the foregoing description.
- counterblade 9 can be connected to fixed structure 13 with no need for conventional runners.
- each counterblade assembly 10 can be removed by simply disconnecting bar 14 from frame 5.
Landscapes
- Paper (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2000TO001149A IT1320857B1 (it) | 2000-12-12 | 2000-12-12 | Gruppo controlama per una macchina per la fabbricazione della carta. |
ITTO001149 | 2000-12-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1215336A2 true EP1215336A2 (de) | 2002-06-19 |
EP1215336A3 EP1215336A3 (de) | 2003-01-08 |
EP1215336B1 EP1215336B1 (de) | 2005-02-23 |
Family
ID=11458278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01129550A Expired - Lifetime EP1215336B1 (de) | 2000-12-12 | 2001-12-11 | Entwässerungsleiste für eine Papiermaschine |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1215336B1 (de) |
AT (1) | ATE289642T1 (de) |
DE (1) | DE60109015T2 (de) |
ES (1) | ES2234759T3 (de) |
IT (1) | IT1320857B1 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005078185A1 (en) * | 2004-02-18 | 2005-08-25 | Umv Machinery Ab | Dynamic counter blade support |
US6982025B2 (en) | 2000-12-15 | 2006-01-03 | Astenjohnson, Inc. | Adjustable resilient blade support |
DE102008040032A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040025A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040016A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040020A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040021A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
WO2017161077A1 (en) | 2016-03-17 | 2017-09-21 | Paperchine, Inc. | Supporting mechanism for a papermaking machine dewatering blade |
CN107794803A (zh) * | 2016-09-01 | 2018-03-13 | 奥胜制造(太仓)有限公司 | 用于调整生产纸幅的产线中的刮刀杆的设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262010A (en) * | 1991-03-09 | 1993-11-16 | Sulzer Escher Wyss Gmbh | Dewatering device with adjustable force elements for the web-forming section of a papermaking machine |
EP0712959A2 (de) * | 1994-11-16 | 1996-05-22 | Valmet Corporation | Satz von Rippen in einer Entwässerungsvorrichtung in einer Papiermaschine |
US5660689A (en) * | 1993-12-21 | 1997-08-26 | Bartelmuss; Klaus | Apparatus for adjusting the height and/or angular position of a strip associated with the screen belt of a paper producing system |
WO1998038380A1 (en) * | 1997-02-26 | 1998-09-03 | Valmet Corporation | Rib for a water draining device in a paper machine |
-
2000
- 2000-12-12 IT IT2000TO001149A patent/IT1320857B1/it active
-
2001
- 2001-12-11 AT AT01129550T patent/ATE289642T1/de active
- 2001-12-11 ES ES01129550T patent/ES2234759T3/es not_active Expired - Lifetime
- 2001-12-11 DE DE60109015T patent/DE60109015T2/de not_active Expired - Lifetime
- 2001-12-11 EP EP01129550A patent/EP1215336B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262010A (en) * | 1991-03-09 | 1993-11-16 | Sulzer Escher Wyss Gmbh | Dewatering device with adjustable force elements for the web-forming section of a papermaking machine |
US5660689A (en) * | 1993-12-21 | 1997-08-26 | Bartelmuss; Klaus | Apparatus for adjusting the height and/or angular position of a strip associated with the screen belt of a paper producing system |
EP0712959A2 (de) * | 1994-11-16 | 1996-05-22 | Valmet Corporation | Satz von Rippen in einer Entwässerungsvorrichtung in einer Papiermaschine |
WO1998038380A1 (en) * | 1997-02-26 | 1998-09-03 | Valmet Corporation | Rib for a water draining device in a paper machine |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6982025B2 (en) | 2000-12-15 | 2006-01-03 | Astenjohnson, Inc. | Adjustable resilient blade support |
WO2005078185A1 (en) * | 2004-02-18 | 2005-08-25 | Umv Machinery Ab | Dynamic counter blade support |
DE102008040032A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040025A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040016A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040020A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
DE102008040021A1 (de) | 2008-06-30 | 2009-12-31 | Voith Patent Gmbh | Leistenanordnung für eine Maschine zur Herstellung einer Faserstoffbahn |
US8168042B2 (en) | 2008-06-30 | 2012-05-01 | Voith Patent Gmbh | Bar arrangement for a machine for the production of a fibrous web |
WO2017161077A1 (en) | 2016-03-17 | 2017-09-21 | Paperchine, Inc. | Supporting mechanism for a papermaking machine dewatering blade |
US10246825B2 (en) | 2016-03-17 | 2019-04-02 | Andritz Inc. | Supporting mechanism for a papermaking machine dewatering blade |
CN109715881A (zh) * | 2016-03-17 | 2019-05-03 | 安德里兹有限公司 | 造纸机脱水叶片的支撑机构 |
EP3430198A4 (de) * | 2016-03-17 | 2020-03-11 | Paperchine, Inc. | Trägermechanismus für entwässerungsklinge einer papiererzeugungsmaschine |
CN109715881B (zh) * | 2016-03-17 | 2021-05-04 | 安德里兹有限公司 | 造纸机脱水叶片的支撑机构 |
CN107794803A (zh) * | 2016-09-01 | 2018-03-13 | 奥胜制造(太仓)有限公司 | 用于调整生产纸幅的产线中的刮刀杆的设备 |
EP3293307A1 (de) * | 2016-09-01 | 2018-03-14 | Klaus Bartelmuss | Vorrichtung zur verstellung einer abstreifleiste in einer anlage zur erzeugung eines papierbandes |
US10273630B2 (en) | 2016-09-01 | 2019-04-30 | Klaus Bartelmuss | Apparatus for adjusting a scraper bar in a line for producing a paper web |
RU2693747C2 (ru) * | 2016-09-01 | 2019-07-04 | Клаус БАРТЕЛЬМУСС | Устройство для регулирования скребковой планки в линии для производства бумажного полотна |
Also Published As
Publication number | Publication date |
---|---|
IT1320857B1 (it) | 2003-12-10 |
EP1215336B1 (de) | 2005-02-23 |
ITTO20001149A0 (it) | 2000-12-12 |
DE60109015T2 (de) | 2005-07-21 |
ATE289642T1 (de) | 2005-03-15 |
DE60109015D1 (de) | 2005-03-31 |
EP1215336A3 (de) | 2003-01-08 |
ES2234759T3 (es) | 2005-07-01 |
ITTO20001149A1 (it) | 2002-06-12 |
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