EP1947237A2 - Device for bracing a filter band, felt band or paper band located in a facility for making paper - Google Patents
Device for bracing a filter band, felt band or paper band located in a facility for making paper Download PDFInfo
- Publication number
- EP1947237A2 EP1947237A2 EP07450158A EP07450158A EP1947237A2 EP 1947237 A2 EP1947237 A2 EP 1947237A2 EP 07450158 A EP07450158 A EP 07450158A EP 07450158 A EP07450158 A EP 07450158A EP 1947237 A2 EP1947237 A2 EP 1947237A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- felt
- felt belt
- support elements
- band
- elements
- 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.)
- Withdrawn
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
- D21F1/50—Suction boxes with rolls
-
- 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
- D21F1/24—Tilting, raising, or lowering mechanisms for wire-cloths
-
- 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
- D21F1/32—Washing wire-cloths or felts
-
- 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
- D21F1/36—Guiding mechanisms
Definitions
- the subject invention relates to a device for cleaning a present in a plant for producing paper felt, which is guided by support elements and which at least one suction device and at least one device for applying the same are associated with a cleaning liquid.
- plants for paper production are at least one screen belt and at least one in the direction of movement of this subsequent felt belt, which two belts are moved in the plants at speeds of about 30 m / sec over support elements away.
- a pulp is sprayed.
- the liquid contained in the pulp is discharged through the wire, in particular sucked.
- the paper strip produced in this way is subsequently transferred to the felt belt, on which it is dried. Then the paper tape is released from the felt and processed further, in particular further dried and rolled.
- the subject invention is therefore based on the object to provide a device by which a comparison with known devices more effective cleaning of felt belts is made possible.
- This object is achieved in that support elements are respectively provided on both sides of the felt belt, which extend transversely to the felt, wherein the arranged on the two sides of the felt belt supporting elements are offset in the longitudinal direction of the felt against each other such that each one on one side arranged support element is located between two arranged on the other side of the felt belt supporting elements and protrudes between them, whereby the felt belt between the opposing support elements is moved in a wave-like course and that is located between two adjacent support elements at least one suction channel.
- At least one suction channel can be located between the support elements located on both sides of the felt belt.
- at least one suction channel is located on one side of the felt belt and at least one pressure channel for air, for a cleaning fluid or for a mixture of these two media on the other side of the felt belt.
- the support elements respectively located on one side of the felt belt are arranged on a common carrier.
- the support elements may be formed in particular by support rollers, which are mounted in bearing shells, which a flowable medium, such as water or air, can be supplied, whereby they are kept at a distance from the bearing surface.
- This device consists of two groups of support rollers 1 and 2, which are located on the two sides of a felt 3. Furthermore, between these support rollers 1 and 2 connected to a suction suction channels 4 are provided. Furthermore, the respective support rollers 2 located on one side of the felt belt 3 are offset from the support rollers 1 provided on the other side of the felt belt 3 and protrude into the spaces located between these support rollers 1, whereby the felt belt 3 is moved in a wave-like course , Preferably, the individual support rollers 2 are adjustable in their distance from the support rollers 1 located on the other side of the felt belt 3, whereby the wave-shaped course of the felt belt 3 is variable.
- a transversely to the movement of the felt 3 aligned spray tube 5 is provided, through which a cleaning liquid 51 can be applied to the felt 3.
- the cleaning of the felt belt 3 is effected in that by means of the spray tube 5 on the felt 3, a cleaning liquid 51 is applied, which receives the impurities located in the felt belt 3 and which is subsequently sucked through the suction channels 4.
- the felt belt 3 is cleaned.
- the cleaning effect is promoted by the fact that the felt belt 3 is moved between the two groups of the support rollers 1 and 2 in a wave-shaped course. As a result, a substantially improved effect is achieved over known devices in the cleaning of the felt 3.
- the support rollers 1 and 2 are mounted in bearings 11 and 21, which a flowable medium, such as water or air, is supplied, whereby they are lifted from the bearing surfaces and thus are almost smoothly rotated.
- the shells 11 and 21 provided on each side of the felt belt 3 are fastened by means of screws 61 and 71 to respective common supports 6 and 7.
- At least one suction channel may be provided on one side of the felt 3 and at least one pressure channel may be provided on the other side of the felt 3.
- air or a cleaning liquid, in particular water, or a mixture of air and a cleaning liquid can be introduced into the pressure channels.
- an injection device is not required. This also improves the cleaning effect.
- the support rollers and support strips may be provided, between which the suction channels 4 and pressure channels are located.
- the felt strip 3 associated surfaces of the support strips are coated with plates of a ceramic material.
- Decisive for a device according to the invention is that the felt belt 3 is passed between two groups of staggered and projecting into the respective intermediate support elements, whereby it is guided for its cleaning in a wave-like movement.
- the structure of the felt belt is constantly changed, whereby the dirt located in this can be easily removed from this, as is the case with previously known systems.
Landscapes
- Paper (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
Die gegenständliche Erfindung betrifft eine Einrichtung zur Reinigung eines in einer Anlage zur Papiererzeugung befindlichen Filzbandes, welches über Stützelemente geführt ist und welchem mindestens eine Saugeinrichtung und mindestens eine Einrichtung zur Beaufschlagung desselben mit einer Reinigungsflüssigkeit zugeordnet sind.The subject invention relates to a device for cleaning a present in a plant for producing paper felt, which is guided by support elements and which at least one suction device and at least one device for applying the same are associated with a cleaning liquid.
In Anlagen zur Papiererzeugung befinden sich mindestens ein Siebband und mindestens ein in Bewegungsrichtung an dieses anschließendes Filzband, welche beiden Bänder in den Anlagen mit Geschwindigkeiten von etwa 30 m/sec über Stützelemente hinweg bewegt werden. Auf das Siebband wird am Beginn von dessen Bewegungsbahn ein Papierbrei aufgesprüht. Längs der Bewegungsbahn des Siebbandes wird die im Papierbrei enthaltene Flüssigkeit durch das Siebband hindurch abgeführt, insbesondere abgesaugt. Das hierdurch erzeugte Papierband wird in der Folge an das Filzband übergeben, auf welchem es getrocknet wird. Hierauf wird das Papierband vom Filzband gelöst und weiterverarbeitet, insbesondere weiter getrocknet und gewalzt.In plants for paper production are at least one screen belt and at least one in the direction of movement of this subsequent felt belt, which two belts are moved in the plants at speeds of about 30 m / sec over support elements away. On the screen belt at the beginning of its trajectory, a pulp is sprayed. Along the path of movement of the wire, the liquid contained in the pulp is discharged through the wire, in particular sucked. The paper strip produced in this way is subsequently transferred to the felt belt, on which it is dried. Then the paper tape is released from the felt and processed further, in particular further dried and rolled.
Da in diese Filzbänder Verschmutzungen, wie Faserteile, Füllstoffe u.dgl., gelangen, durch welche sie in ihrer Wirkung beeinträchtigt werden, besteht das Erfordernis, diese im Verlauf ihrer Bewegungsbahn zu reinigen. Diese Reinigung erfolgt dadurch, dass ein quer zur Bewegungsbahn angeordnetes Spritzrohr und mindestens eine Absaugeinrichtung vorgesehen sind, wobei durch das Spritzrohr auf das Filzband eine Reinigungsflüssigkeit aufgebracht wird und durch die mindestens eine Absaugeinrichtung die die Verunreinigungen enthaltende Reinigungsflüssigkeit abgesaugt wird. In der Regel sind das Spritzrohr und die Absaugeinrichtung auf der gleichen Seite des Filzbandes angeordnet.
Da jedoch das Filzband aus einem dichten Gewebe besteht, bedingt es Schwierigkeiten, die in diesem befindlichen Verschmutzungen zu entfernen.Since soiling, such as fiber parts, fillers and the like., Pass through which they are affected in their effect, there is a need to clean them in the course of their trajectory. This cleaning takes place in that a spray pipe arranged transversely to the movement path and at least one suction device are provided, wherein a cleaning liquid is applied to the felt belt by the spray pipe and the cleaning liquid containing the impurities is sucked off by the at least one suction device. In general, the spray tube and the suction device are arranged on the same side of the felt belt.
However, since the felt belt is made of a dense fabric, it is difficult to remove the dirt thereon.
Der gegenständlichen Erfindung liegt somit die Aufgabe zugrunde, eine Einrichtung zu schaffen, durch welche eine gegenüber bekannten Einrichtungen wirkungsvollere Reinigung von Filzbändern ermöglicht wird. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass auf beiden Seiten des Filzbandes jeweils Stützelemente vorgesehen sind, welche sich quer zum Filzband erstrecken, wobei die auf den beiden Seiten des Filzbandes angeordneten Stützelemente in Längsrichtung des Filzbandes gegeneinander derart versetzt sind, dass jeweils ein auf einer Seite angeordnetes Stützelement sich zwischen zwei auf der anderen Seite des Filzbandes angeordneten Stützelementen befindet und zwischen diese einragt, wodurch das Filzband zwischen den einander gegenüberliegenden Stützelementen in einem wellenförmigen Verlauf bewegt wird und dass sich zwischen zwei nebeneinander befindlichen Stützelementen mindestens ein Saugkanal befindet.The subject invention is therefore based on the object to provide a device by which a comparison with known devices more effective cleaning of felt belts is made possible. This object is achieved in that support elements are respectively provided on both sides of the felt belt, which extend transversely to the felt, wherein the arranged on the two sides of the felt belt supporting elements are offset in the longitudinal direction of the felt against each other such that each one on one side arranged support element is located between two arranged on the other side of the felt belt supporting elements and protrudes between them, whereby the felt belt between the opposing support elements is moved in a wave-like course and that is located between two adjacent support elements at least one suction channel.
Vorzugsweise sind einzelne oder sämtliche der auf einer Seite des Filzbandes befindlichen Stützelemente in ihrem Abstand gegenüber den auf der anderen Seite des Filzbandes befindlichen Stützelementen verstellbar. Zudem können sich zwischen den auf beiden Seiten des Filzbandes befindlichen Stützelementen jeweils mindestens ein Saugkanal befinden.
Gemäß einer Ausführungsvariante befinden sich auf der einen Seite des Filzbandes mindestens ein Saugkanal und auf der anderen Seite des Filzbandes mindestens ein Druckkanal für Luft, für eine Reinigungsflüssigkeit oder für eine Mischung aus diesen beiden Medien.Preferably, individual or all of the support elements located on one side of the felt belt are adjustable in their distance from the support elements located on the other side of the felt belt. In addition, at least one suction channel can be located between the support elements located on both sides of the felt belt.
According to one embodiment, at least one suction channel is located on one side of the felt belt and at least one pressure channel for air, for a cleaning fluid or for a mixture of these two media on the other side of the felt belt.
Nach einer bevorzugten Ausführungsform sind die jeweils auf einer Seite des Filzbandes befindlichen Stützelemente auf einem gemeinsamen Träger angeordnet. Dabei können die Stützelemente insbesondere durch Stützwalzen gebildet sein, welche in Lagerschalen gelagert sind, welchen ein strömungsfähiges Medium, wie Wasser oder Luft, zuführbar ist, wodurch sie im Abstand von der Lagerfläche gehalten sind.According to a preferred embodiment, the support elements respectively located on one side of the felt belt are arranged on a common carrier. In this case, the support elements may be formed in particular by support rollers, which are mounted in bearing shells, which a flowable medium, such as water or air, can be supplied, whereby they are kept at a distance from the bearing surface.
Der Gegenstand der Erfindung ist nachstehend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigt:
- FIG.1
- eine erfindungsgemäße Einrichtung, in Seitenansicht.
- FIG.1
- a device according to the invention, in side view.
Diese Einrichtung besteht aus zwei Gruppen von Stützwalzen 1 und 2, welche sich auf den beiden Seiten eines Filzbandes 3 befinden. Weiters sind zwischen diesen Stützwalzen 1 und 2 an eine Saugeinrichtung angeschlossene Saugkanäle 4 vorgesehen. Weiters sind die jeweils auf der einen Seite des Filzbandes 3 befindlichen Stützwalzen 2 gegenüber den auf der anderen Seite des Filzbandes 3 vorgesehenen Stützwalzen 1 versetzt und ragen sie in die zwischen diesen Stützwalzen 1 befindlichen Räume ein, wodurch das Filzband 3 in einem wellenförmigen Verlauf bewegt wird. Vorzugsweise sind die einzelnen Stützwalzen 2 in ihrem Abstand gegenüber den auf der anderen Seite des Filzbandes 3 befindlichen Stützwalzen 1 einstellbar, wodurch der wellenförmige Verlauf des Filzbandes 3 veränderbar ist.This device consists of two groups of
Zudem ist ein quer zur Bewegung des Filzbandes 3 ausgerichtetes Spritzrohr 5 vorgesehen, durch welches auf das Filzband 3 eine Reinigungsflüssigkeit 51 aufgebracht werden kann.
Die Reinigung des Filzbandes 3 erfolgt dadurch, dass mittels des Spritzrohres 5 auf das Filzband 3 eine Reinigungsflüssigkeit 51 aufgebracht wird, welche die im Filzband 3 befindlichen Verunreinigungen aufnimmt und welche nachfolgend durch die Saugkanäle 4 abgesaugt wird. Hierdurch wird das Filzband 3 gereinigt. Die Reinigungswirkung wird dadurch gefördert, dass das Filzband 3 zwischen den beiden Gruppen der Stützwalzen 1 und 2 in einem wellenförmigen Verlauf hindurchbewegt wird. Hierdurch wird gegenüber bekannten Einrichtungen bei der Reinigung des Filzbandes 3 eine wesentlich verbesserte Wirkung erzielt.In addition, a transversely to the movement of the felt 3 aligned
The cleaning of the
Beim dargestellten Ausführungsbeispiel sind die Stützwalzen 1 und 2 in Lagerschalen 11 und 21 gelagert, welchen ein strömungsfähiges Medium, wie Wasser oder Luft, zugeführt wird, wodurch sie von den Lagerflächen abgehoben werden und hierdurch nahezu reibungslos verdrehbar sind. Dabei sind die auf jeder Seite des Filzbandes 3 vorgesehenen Lagerschalen 11 und 21 mittels Schrauben 61 und 71 an jeweils gemeinsamen Supporten 6 und 7 befestigt.In the illustrated embodiment, the
Gemäß einer Ausführungsvariante kann auf der einen Seite des Filzbandes 3 mindestens ein Saugkanal vorgesehen sein und kann auf der anderen Seite des Filzbandes 3 mindestens ein Druckkanal vorgesehen sein. Weiters kann in die Druckkanäle entweder Luft oder eine Reinigungsflüssigkeit, insbesondere Wasser, bzw. ein Gemisch aus Luft und einer Reinigungsflüssigkeit eingebracht werden. In diesem Fall ist eine Spritzeinrichtung nicht erforderlich.
Auch hierdurch wird die Reinigungswirkung verbessert.According to one embodiment, at least one suction channel may be provided on one side of the
This also improves the cleaning effect.
Anstelle der Stützwalzen können auch Stützleisten vorgesehen sein, zwischen welchen sich die Saugkanäle 4 bzw. Druckkanäle befinden. Vorzugsweise sind dabei die dem Filzband 3 zugeordneten Flächen der Stützleisten mit Platten aus einem keramischen Material beschichtet.Instead of the support rollers and support strips may be provided, between which the
Maßgeblich für eine erfindungsgemäße Einrichtung ist, dass das Filzband 3 zwischen zwei Gruppen von gegeneinander versetzten und in die jeweiligen Zwischenräume einragenden Stützelementen hindurchgeführt wird, wodurch es für dessen Reinigung in einer wellenförmigen Bewegung geführt ist. Hierdurch wird laufend die Struktur des Filzbandes verändert, wodurch die sich in diesem befindlichen Verschmutzungen aus diesem leichter entfernt werden können, als dies bei bisher bekannten Anlagen der Fall ist.Decisive for a device according to the invention is that the
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT19242006A AT504545A1 (en) | 2006-11-21 | 2006-11-21 | FRICTION BZW. WEAR-OFF BEARING DEVICE |
AT5042007A AT504814A3 (en) | 2006-11-21 | 2007-03-30 | DEVICE FOR SUPPORTING A SCREEN, FILM BAND OR PAPER BELT IN A PAPER PRODUCTION PLANT |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1947237A2 true EP1947237A2 (en) | 2008-07-23 |
EP1947237A3 EP1947237A3 (en) | 2009-05-20 |
Family
ID=39415716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07450158A Withdrawn EP1947237A3 (en) | 2006-11-21 | 2007-09-17 | Device for bracing a filter band, felt band or paper band located in a facility for making paper |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080115812A1 (en) |
EP (1) | EP1947237A3 (en) |
JP (1) | JP2008127734A (en) |
BR (1) | BRPI0704051A (en) |
CA (1) | CA2607451A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130140135A1 (en) * | 2011-12-02 | 2013-06-06 | Lian Hok Tan | Belt conveyor for conveying solar wafers during fabrication |
CN107740301B (en) * | 2017-11-16 | 2020-06-02 | 浙江华宇纸业有限公司 | Vacuum suction shifting roller washing system of paper machine |
CN111804626A (en) * | 2019-11-20 | 2020-10-23 | 苏州殷绿勒精密机械科技有限公司 | Glass powder pre-cleaning device for glass surface of substrate |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE680349C (en) * | 1937-11-16 | 1940-02-02 | Banning & Seybold Akt Ges Masc | Device for cleaning felts in paper, cardboard or the like machines |
US3298904A (en) * | 1964-08-10 | 1967-01-17 | Kimberly Clark Co | Belt cleaning apparatus for a papermaking machine |
DE19636791A1 (en) * | 1996-09-11 | 1998-03-12 | Voith Sulzer Papiermasch Gmbh | Method and device for removing paper web remnants from a belt |
WO2002070817A1 (en) * | 2001-03-08 | 2002-09-12 | Metso Paper, Inc. | Dewattering device in a paper machine or equivalent |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352991A (en) * | 1941-04-14 | 1944-07-04 | Vickery Inc | Machine for conditioning felts of papermaking machines |
-
2007
- 2007-09-17 EP EP07450158A patent/EP1947237A3/en not_active Withdrawn
- 2007-10-23 CA CA002607451A patent/CA2607451A1/en not_active Abandoned
- 2007-11-16 JP JP2007297619A patent/JP2008127734A/en active Pending
- 2007-11-19 BR BRPI0704051-2A patent/BRPI0704051A/en not_active Application Discontinuation
- 2007-11-21 US US11/943,866 patent/US20080115812A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE680349C (en) * | 1937-11-16 | 1940-02-02 | Banning & Seybold Akt Ges Masc | Device for cleaning felts in paper, cardboard or the like machines |
US3298904A (en) * | 1964-08-10 | 1967-01-17 | Kimberly Clark Co | Belt cleaning apparatus for a papermaking machine |
DE19636791A1 (en) * | 1996-09-11 | 1998-03-12 | Voith Sulzer Papiermasch Gmbh | Method and device for removing paper web remnants from a belt |
WO2002070817A1 (en) * | 2001-03-08 | 2002-09-12 | Metso Paper, Inc. | Dewattering device in a paper machine or equivalent |
Also Published As
Publication number | Publication date |
---|---|
EP1947237A3 (en) | 2009-05-20 |
CA2607451A1 (en) | 2008-05-21 |
JP2008127734A (en) | 2008-06-05 |
BRPI0704051A (en) | 2008-07-08 |
US20080115812A1 (en) | 2008-05-22 |
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