EP1550769A1 - Apparatus for stabilizing a paper web - Google Patents
Apparatus for stabilizing a paper web Download PDFInfo
- Publication number
- EP1550769A1 EP1550769A1 EP04030128A EP04030128A EP1550769A1 EP 1550769 A1 EP1550769 A1 EP 1550769A1 EP 04030128 A EP04030128 A EP 04030128A EP 04030128 A EP04030128 A EP 04030128A EP 1550769 A1 EP1550769 A1 EP 1550769A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stabilizer
- web
- paper web
- angle
- drying cylinder
- 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
- 230000000087 stabilizing effect Effects 0.000 title claims description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims description 4
- 210000001519 tissue Anatomy 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G3/00—Doctors
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G9/00—Other accessories for paper-making machines
- D21G9/0063—Devices for threading a web tail through a paper-making machine
Definitions
- the invention relates to a device for stabilizing a paper web, in particular Tissue web, with at least one after a drying cylinder arranged (rail) stabilizer, wherein the stabilizer directly on the drying cylinder is arranged below the paper web.
- a system for stabilizing a paper web, especially tissue web is off EP 1101863.
- tissue web is off EP 1101863.
- tissue cylinder Stabilizers arranged.
- a dust separation of the top of the paper web Before the dust extraction is a stabilizer for provided the paper / tissue web, which additionally entrains entrained air.
- scraper blades bevel 5-40 °
- the liability to Yankee cylinder kept relatively low or is it ever difficult to adjust the adhesion of the paper web high.
- the web has the tendency to go down and is only by the Paper train that pulls the paper web against the upper stabilizer stabilizes. This must set the adhesion to the Yankee and / or low creping which in turn become the strength or elongation of the paper negatively influenced.
- the aim of the invention is therefore the web stability of a high-quality paper web, especially tissue web immediately after leaving the scraper blade too ensure and thus the possibility of creating the quality of the paper and / or increase production speed.
- the angle of the Stabilizer is adjustable to the drying cylinder.
- This can be a constant Acceptance angle of the paper web can be achieved, which is a good web guide causes, with any fluttering of the paper web is prevented.
- a favorable embodiment of the invention is characterized in that the angle of attack of the stabilizer can be adjusted independently of the scraper setting angle is.
- the creping effect (the creping angle) can be independent of an optimal web guide can be adjusted by the stabilizer.
- An advantageous development of the invention is characterized in that that the stabilizer has openings for air blow-out or air extraction.
- the stabilizer has openings for air blow-out or air extraction.
- the stabilizer is designed to be pivotable, in particular swivelable, then can be a perfect demolition operation and a simpler re-run of the Paper web can be achieved.
- a preferred embodiment of the invention is characterized the stabilizer is arranged on the scraper holder or scraper bar.
- the invention can be used particularly well when the drying cylinder a Yankee cylinder is.
- An advantageous development of the invention is characterized in that that the distance of the stabilizer from the drying cylinder between 0 and 500 mm, preferably between 0 and 200 mm, for example about 50 mm is.
- Fig. 1 shows a variant of the invention
- Fig. 2 shows a further variant of Invention represents.
- Tissue production occurs to a high percentage with the final drying step on a Yankee cylinder 1.
- the dried Paper web 2 removed by a doctor blade 4, the in a scraper holder 6 is guided, in turn, by a scraper. 5 is held.
- the web is the second via stabilizing elements 7, in certain cases via calender (e) to a (not shown) guided roller, which there the track with a certain Speed winding on a roll.
- the paper quality is in Acceptance point 9 significantly influenced. To the quality parameters like Strength, elongation, softness, to be able to optimally adjust the volume often necessary, the adhesion of the paper web on the Yankee cylinder 1 to low hold.
- the withdrawal speed of the paper web in the direction of calender or scooter is usually set very low. Also becomes the creping scraper 4 operated with a relatively high angle ⁇ . All these settings however, lead to difficulties in the stability of the railway and thus to running difficulties of the machine, to quality compromises and to Speed limits.
- the invention is intended to reduce these disadvantages by the paper web 2 according to Fig. 1 directly at the take-off point 9 from the Yankee cylinder 1 by a Stabilizing element 3, which on a scraper holder 6 or on a Scraper 5 is attached, taken over and guided.
- the attachment can be executed fixed or preferably pivotable.
- the swing-away position of the stabilizer 3 is shown by dashed lines. In this position, the Paper web can be listed very easily after a demolition. Of the Stabilizer can also be attached to the paper machine.
- the angle of attack ⁇ of the stabilizer is adjustable and is preferably 80-100 °.
- the angle of attack (creping angle) ⁇ of the scraper 4 is independently adjustable by the angle ⁇ of the stabilizer, whereby on the one hand the creping effect and on the other hand the web guide separated are optimally adjustable.
- the angle of attack (creping angle) ⁇ of the scraper 4 is usually about 10 - 35 °.
- FIG. 2 Particularly advantageous is an embodiment according to FIG. 2, in which the Stabilizing element 3 at least one opening 8 for Druck Kunststofftechnikblasblasung or with an air intake opening 8 connected to a suction unit is connected, supported from below or stabilized. Again, one possible Abschwenkposition of the stabilizer 3 shown by dashed lines.
- ⁇ the optimal acceptance angle
- ⁇ the optimal acceptance stability ensure the distance x of the stabilizing element 3 of the Surface of the drying cylinder 1 to be kept as low as possible.
- Prefers a distance x is set from 0 to 200 mm, where it is best about 50 mm and may be up to 500 mm in exceptional cases.
Landscapes
- Paper (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Stabilisierung einer Papierbahn, insbesondere Tissuebahn, mit mindestens einem nach einem Trockenzylinder angeordneten (Bahn-)Stabilisator, wobei der Stabilisator direkt am Trockenzylinder unterhalb der Papierbahn angeordnet ist.The invention relates to a device for stabilizing a paper web, in particular Tissue web, with at least one after a drying cylinder arranged (rail) stabilizer, wherein the stabilizer directly on the drying cylinder is arranged below the paper web.
Ein System zur Stabilisierung einer Papierbahn, speziell Tissuebahn ist aus der EP 1101863 bekannt. Hier sind nach einem Tissuezylinder mehrere Stabilisatoren angeordnet. Gleichzeitig erfolgt hier eine Staubabtrennung von der Oberseite der Papierbahn. Vor der Staubabsaugung ist ein Stabilisator für die Papier-/Tissue bahn vorgesehen, der zusätzlich mitgeschleppte Luft ableitet. Insbesondere bei der Produktion von hochwertigem Tissue (Soft-Tissue auf konventionellen Tissuemaschinen bzw. TAD Papiermaschinen) werden vorzugsweise angeschliffene Schaberklingen (Anschliff 5-40°) verwendet, sowie die Haftung zum Yankeezylinder relativ gering gehalten bzw. ist es überhaupt schwer möglich die Adhäsion der Papierbahn hoch einzustellen. Damit hat die Bahn die Tendenz nach unten zu gehen und wird nur durch den Papierzug der die Papierbahn gegen den oberen Stabilisator zieht, stabilisiert. Damit muss die Adhäsion zum Yankee und/oder niedriger Kreppgrad eingestellt werden was wiederum die Festigkeit bzw. die Dehnung des Papiers negativ beeinflusst.A system for stabilizing a paper web, especially tissue web is off EP 1101863. Here are several after a tissue cylinder Stabilizers arranged. At the same time a dust separation of the top of the paper web. Before the dust extraction is a stabilizer for provided the paper / tissue web, which additionally entrains entrained air. Especially in the production of high-quality tissue (soft tissue on conventional tissue machines or TAD paper machines) preferably used scraper blades (bevel 5-40 °) used, and the liability to Yankee cylinder kept relatively low or is it ever difficult to adjust the adhesion of the paper web high. Thus, the web has the tendency to go down and is only by the Paper train that pulls the paper web against the upper stabilizer stabilizes. This must set the adhesion to the Yankee and / or low creping which in turn become the strength or elongation of the paper negatively influenced.
Ziel der Erfindung ist es daher die Bahnstabilität einer hochqualitativen Papierbahn, speziell Tissuebahn sofort nach Verlassen der Schaberklinge zu gewährleisten und damit die Möglichkeit zu schaffen, die Qualität des Papiers und/oder Produktionsgeschwindigkeit zu erhöhen.The aim of the invention is therefore the web stability of a high-quality paper web, especially tissue web immediately after leaving the scraper blade too ensure and thus the possibility of creating the quality of the paper and / or increase production speed.
Dies wird erfindungsgemäß dadurch erreicht, dass der Anstellwinkel des Stabilisators an den Trockenzylinder einstellbar ist. Damit kann ein konstanter Abnahmewinkel der Papierbahn erreicht werden, der eine gute Bahnführung bewirkt, wobei ein allfälliges Flattern der Papierbahn verhindert wird.This is inventively achieved in that the angle of the Stabilizer is adjustable to the drying cylinder. This can be a constant Acceptance angle of the paper web can be achieved, which is a good web guide causes, with any fluttering of the paper web is prevented.
Eine günstige Ausgestaltung der Erfindung ist dadurch gekennzeichnet, dass der Anstellwinkel des Stabilisators unabhängig vom Schaberanstellwinkel einstellbar ist. Damit kann die Kreppwirkung (der Kreppwinkel) unabhängig von einer optimalen Bahnführung durch den Stabilisator eingestellt werden. A favorable embodiment of the invention is characterized in that the angle of attack of the stabilizer can be adjusted independently of the scraper setting angle is. Thus the creping effect (the creping angle) can be independent of an optimal web guide can be adjusted by the stabilizer.
Eine vorteilhafte Weiterbildung der Erfindung ist dadurch gekennzeichnet, dass der Stabilisator Öffnungen zur Luftausblasung bzw. Luftabsaugung aufweist. Durch die Luftausblasung bzw. Luftabsaugung wird die Bahn an die Oberfläche des Stabilisators gesaugt und somit die Stabilität der Bahnführung weiter verbessert.An advantageous development of the invention is characterized in that that the stabilizer has openings for air blow-out or air extraction. By the Luftausblasung or air extraction, the web to the Surface of the stabilizer sucked and thus the stability of the web guide further improved.
Wird der Stabilisator schwenkbar, insbesondere abschwenkbar ausgeführt, so kann ein einwandfreier Abrissbetrieb und ein einfacheres Wiederaufführen der Papierbahn erreicht werden.If the stabilizer is designed to be pivotable, in particular swivelable, then can be a perfect demolition operation and a simpler re-run of the Paper web can be achieved.
Eine bevorzugte Weiterbildung der Erfindung ist dadurch gekennzeichnet, dass der Stabilisator am Schaberhalter oder Schaberbalken angeordnet ist.A preferred embodiment of the invention is characterized the stabilizer is arranged on the scraper holder or scraper bar.
Besonders gut lässt sich die Erfindung einsetzen, wenn der Trockenzylinder ein Yankeezylinder ist.The invention can be used particularly well when the drying cylinder a Yankee cylinder is.
Eine vorteilhafte Weiterbildung der Erfindung ist dadurch gekennzeichnet, dass der Abstand des Stabilisators vom Trockenzylinder zwischen 0 und 500 mm, vorzugsweise zwischen 0 und 200 mm, beispielsweise etwa 50 mm beträgt.An advantageous development of the invention is characterized in that that the distance of the stabilizer from the drying cylinder between 0 and 500 mm, preferably between 0 and 200 mm, for example about 50 mm is.
Die Erfindung wird nun anhand der Zeichnungen beispielhaft beschrieben, wobei Fig. 1 eine Variante der Erfindung und Fig. 2 eine weitere Variante der Erfindung darstellt.The invention will now be described by way of example with reference to the drawings, wherein Fig. 1 shows a variant of the invention and Fig. 2 shows a further variant of Invention represents.
Die Tissueerzeugung erfolgt zu einem hohen Prozentsatz mit der Endtrockenstufe
auf einem Yankeezylinder 1. Von diesem Yankeezylinder 1 wird die getrocknete
Papierbahn 2 durch eine Schaberklinge 4 abgenommen, die in
einem Schaberhalter 6 geführt wird, der wiederum von einem Schaberbalken 5
gehalten wird. Vom Abnahmepunkt 9 vom Yankeezylinder 1 wird die Bahn 2
über Stabilisierungselemente 7, in gewissen Fällen über Glättwerk(e) zu einem
(nicht dargestellten) Roller geführt, der die Bahn dort mit einer bestimmtem
Geschwindigkeit auf eine Rolle aufwickelt. Die Papierqualität wird im
Abnahmepunkt 9 maßgeblich beeinflusst. Um die Qualitätsparameter wie
Festigkeit, Dehnung, Weichheit, Volumen optimal einstellen zu können ist es
oft notwendig, die Adhäsion der Papierbahn am Yankeezylinder 1 niedrig zu
halten. Auch die Abzugsgeschwindigkeit der Papierbahn in Richtung Glättwerk
bzw. Roller wird meist sehr niedrig eingestellt. Ebenfalls wird der Kreppschaber
4 mit einem relativ hohen Anschliffwinkel β betrieben. Alle diese Einstellungen
führen jedoch zu Schwierigkeiten in der Stabilität der Bahn und
somit zu Laufschwierigkeiten der Maschine, zu Qualitätskompromissen und zu
Geschwindigkeitslimitierungen.Tissue production occurs to a high percentage with the final drying step
on a Yankee cylinder 1. From this Yankee cylinder 1 is the dried
Die Erfindung soll diese Nachteile reduzieren, indem die Papierbahn 2 gemäß
Fig. 1 unmittelbar am Abnahmepunkt 9 vom Yankeezylinder 1 durch ein
Stabilisierungselement 3, das an einem Schaberhalter 6 oder an einem
Schaberbalken 5 befestigt ist, übernommen und geführt wird. Die Befestigung
kann fix oder bevorzugt schwenkbar ausgeführt sein. Die Abschwenkposition
des Stabilisators 3 ist strichliert dargestellt. In dieser Position kann die
Papierbahn nach einem Abriss sehr leicht wieder aufgeführt werden. Der
Stabilisator kann auch an der Stuhlung der Papiermaschine befestigt werden.The invention is intended to reduce these disadvantages by the
Der Anstellwinkel α des Stabilisators ist dabei einstellbar und beträgt vorzugsweise 80 ― 100 °. Der Anstellwinkel (Kreppwinkel) χ des Schabers 4 ist vom Anstellwinkel α des Stabilisators unabhängig einstellbar, wodurch einerseits die Kreppwirkung und andererseits die Bahnführung getrennt optimal einstellbar sind. Der Anstellwinkel (Kreppwinkel) χ des Schabers 4 beträgt üblicherweise ca. 10 ― 35 °. Durch die Trennung der Anstellwinkel vom Schaber und vom Stabilisator wird auch erreicht, dass die Papierbahn nicht an der Schaberoberfläche entlang läuft und dort Probleme auftreten.The angle of attack α of the stabilizer is adjustable and is preferably 80-100 °. The angle of attack (creping angle) χ of the scraper 4 is independently adjustable by the angle α of the stabilizer, whereby on the one hand the creping effect and on the other hand the web guide separated are optimally adjustable. The angle of attack (creping angle) χ of the scraper 4 is usually about 10 - 35 °. By separating the angle of attack from Scraper and stabilizer is also achieved that the paper web is not on the scraper surface runs along and problems occur there.
Besonders vorteilhaft ist eine Ausführung gemäß Fig. 2, bei der das
Stabilisierungselement 3 mindestens eine Öffnung 8 zur Druckluftausblasung
aufweist oder mit einer Lufteinsaugungsöffnung 8, die mit einer Saugeinheit
verbunden ist, von unten gestützt bzw. stabilisiert wird. Auch hier ist eine mögliche
Abschwenkposition des Stabilisators 3 strichliert dargestellt. Um den
optimalen Abnahmewinkel α und die optimale Abnahmestabilität zu
gewährleisten, ist der Abstand x des Stabilisierungselementes 3 von der
Oberfläche des Trockenzylinders 1 so gering wie möglich zu halten. Bevorzugt
wird ein Abstand x von 0 bis 200 mm eingestellt, wobei er am günstigsten etwa
50 mm beträgt und in Ausnahmefällen bis zu 500 mm betragen kann.Particularly advantageous is an embodiment according to FIG. 2, in which the
Stabilizing
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT04030128T ATE426704T1 (en) | 2003-12-30 | 2004-12-18 | DEVICE FOR STABILIZING A PAPER WEB |
PL04030128T PL1550769T3 (en) | 2003-12-30 | 2004-12-18 | Apparatus for stabilizing a paper web |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0209803A AT413393B (en) | 2003-12-30 | 2003-12-30 | DEVICE FOR STABILIZING A PAPER WEB |
AT20982003 | 2003-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1550769A1 true EP1550769A1 (en) | 2005-07-06 |
EP1550769B1 EP1550769B1 (en) | 2009-03-25 |
Family
ID=34558088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04030128A Not-in-force EP1550769B1 (en) | 2003-12-30 | 2004-12-18 | Apparatus for stabilizing a paper web |
Country Status (10)
Country | Link |
---|---|
US (1) | US7384512B2 (en) |
EP (1) | EP1550769B1 (en) |
CN (1) | CN100595377C (en) |
AT (2) | AT413393B (en) |
BR (1) | BRPI0405949A (en) |
CA (1) | CA2490168C (en) |
DE (1) | DE502004009214D1 (en) |
ES (1) | ES2323867T3 (en) |
MX (1) | MXPA05000101A (en) |
PL (1) | PL1550769T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7718037B2 (en) * | 2007-04-26 | 2010-05-18 | The Procter & Gamble Company | Creping foil for redirecting dust |
US7914648B2 (en) * | 2007-12-18 | 2011-03-29 | The Procter & Gamble Company | Device for web control having a plurality of surface features |
US8177940B2 (en) * | 2009-03-04 | 2012-05-15 | Andritz Inc. | Apparatus and method for stabilizing a moving web having transitions in a surface adjacent the web |
SE538611C2 (en) * | 2015-01-30 | 2016-10-04 | Cs Produktion Ab | Doctor apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0905312A2 (en) * | 1997-08-26 | 1999-03-31 | Beloit Technologies, Inc. | Web stabilizing device |
US6068735A (en) * | 1997-02-03 | 2000-05-30 | Fort James France | Dust-controlling apparatus, with a water curtain device, for a paper manufacturing machine |
US6328852B1 (en) * | 1999-08-24 | 2001-12-11 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for improving stability of moving webs |
US20020060036A1 (en) * | 2000-06-28 | 2002-05-23 | Metso Paper Karlstad Ab | Shortened layout from dryer to reel in tissue machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3355349A (en) * | 1964-12-14 | 1967-11-28 | Andrew G Devlin | Apparatus for conveying lead strip from driers to calenders in paper-making |
US3756912A (en) * | 1970-12-31 | 1973-09-04 | Durand Machine Co Ltd | Conveyor mechanism for transferring paper web |
US4014487A (en) * | 1976-03-31 | 1977-03-29 | Crown Zellerbach Corporation | Web threading system |
US4179330A (en) * | 1978-09-05 | 1979-12-18 | Page Robert E | Apparatus for handling web material, and method |
FI69145C (en) * | 1984-07-05 | 1985-12-10 | Valmet Oy | ANORDINATION AND ENCLOSURE OF TRANSPORT AND STATIONING OF BANANS SPETSDRAGNINGSBAND |
FI78528C (en) * | 1988-01-26 | 1989-08-10 | Valmet Paper Machinery Inc | FOERFARANDE OCH ANORDNING FOER STYRNING AV PAPPERSBANANS SPETSDRAGNINGSBAND FRAON PRESSENS SLAETYTADE VALS ELLER MOTSVARANDE. |
US6387220B1 (en) * | 1999-08-13 | 2002-05-14 | Voith Sulzer Papiertechnik Patent Gmbh | Vacuum conveyor |
US20030183353A1 (en) * | 2001-12-10 | 2003-10-02 | Metso Paper Karlstad Ab | Press section tail threading |
-
2003
- 2003-12-30 AT AT0209803A patent/AT413393B/en not_active IP Right Cessation
-
2004
- 2004-12-14 CA CA2490168A patent/CA2490168C/en not_active Expired - Fee Related
- 2004-12-18 DE DE502004009214T patent/DE502004009214D1/en active Active
- 2004-12-18 ES ES04030128T patent/ES2323867T3/en active Active
- 2004-12-18 PL PL04030128T patent/PL1550769T3/en unknown
- 2004-12-18 AT AT04030128T patent/ATE426704T1/en not_active IP Right Cessation
- 2004-12-18 EP EP04030128A patent/EP1550769B1/en not_active Not-in-force
- 2004-12-29 BR BR0405949-2A patent/BRPI0405949A/en not_active IP Right Cessation
- 2004-12-30 US US11/026,828 patent/US7384512B2/en not_active Expired - Fee Related
- 2004-12-30 CN CN200410104595A patent/CN100595377C/en not_active Expired - Fee Related
-
2005
- 2005-01-03 MX MXPA05000101A patent/MXPA05000101A/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068735A (en) * | 1997-02-03 | 2000-05-30 | Fort James France | Dust-controlling apparatus, with a water curtain device, for a paper manufacturing machine |
EP0905312A2 (en) * | 1997-08-26 | 1999-03-31 | Beloit Technologies, Inc. | Web stabilizing device |
US6328852B1 (en) * | 1999-08-24 | 2001-12-11 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for improving stability of moving webs |
US20020060036A1 (en) * | 2000-06-28 | 2002-05-23 | Metso Paper Karlstad Ab | Shortened layout from dryer to reel in tissue machine |
Also Published As
Publication number | Publication date |
---|---|
MXPA05000101A (en) | 2005-07-05 |
ES2323867T3 (en) | 2009-07-27 |
AT413393B (en) | 2006-02-15 |
CN1637207A (en) | 2005-07-13 |
DE502004009214D1 (en) | 2009-05-07 |
CN100595377C (en) | 2010-03-24 |
US7384512B2 (en) | 2008-06-10 |
US20050161185A1 (en) | 2005-07-28 |
ATA20982003A (en) | 2005-07-15 |
EP1550769B1 (en) | 2009-03-25 |
PL1550769T3 (en) | 2009-08-31 |
CA2490168C (en) | 2011-09-20 |
BRPI0405949A (en) | 2005-09-20 |
ATE426704T1 (en) | 2009-04-15 |
CA2490168A1 (en) | 2005-06-30 |
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