DE102004017810A1 - Papermaking industry drying and processing arrangement with heated cylinder, includes outer pressure hood comprising assembly of cells with individually-controlled heating fluid connections - Google Patents
Papermaking industry drying and processing arrangement with heated cylinder, includes outer pressure hood comprising assembly of cells with individually-controlled heating fluid connections Download PDFInfo
- Publication number
- DE102004017810A1 DE102004017810A1 DE200410017810 DE102004017810A DE102004017810A1 DE 102004017810 A1 DE102004017810 A1 DE 102004017810A1 DE 200410017810 DE200410017810 DE 200410017810 DE 102004017810 A DE102004017810 A DE 102004017810A DE 102004017810 A1 DE102004017810 A1 DE 102004017810A1
- Authority
- DE
- Germany
- Prior art keywords
- fibrous web
- cylinder
- pressure
- drying
- web
- 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- Withdrawn
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/004—Drying webs by contact with heated surfaces or materials
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- Paper (AREA)
Abstract
Description
Die Erfindung betrifft eine Trockenanordnung mit einem beheizten Zylinder zur Trocknung einer Papier-, Karton-, Tissue- oder einer anderen Faserstoffbahn in einer Maschine zur Herstellung und/oder Veredlung der Faserstoffbahn, oberhalb dessen eine Druckhaube angeordnet ist, der ein fluides Medium zugeführt wird.The The invention relates to a dry arrangement with a heated cylinder for drying a paper, cardboard, tissue or another Fiber web in a machine for production and / or finishing the fibrous web, above which a pressure hood is arranged, which supplied a fluid medium becomes.
Aus
der
In
der
Es sind Maschinen zur Herstellung von Faserstoffbahnen bekannt, in denen Eigenschaften der Faserstoffbahn zonenweise eingestellt werden, indem in quer zur Bahnlaufrichtung durch Pressanordnungen nebeneinander verschiedene Drücke auf die Faserstoffbahn ausgeübt wird. Eine andere Maßnahme besteht darin, dass die Faserstoffbahn durch in quer zur Bahnlaufrichtung nebeneinander angeordnete Sprühvorrichtungen mit Wassernebel besprüht wird, um die Bahneigenschaften zonenweise zu beeinflussen.It are known machines for producing fibrous webs, in which properties of the fibrous web are set in zones, by side by side in cross-machine direction by pressing arrangements different pressures exerted on the fibrous web becomes. Another measure is that the fibrous web through in transverse to the web running direction juxtaposed spray devices sprayed with water mist, to influence the web properties zone by zone.
Es ist die Aufgabe der Erfindung, eine Trockenanordnung zur Verfügung zu stellen, die eine bessere Beeinflussung der Eigenschaften der Faserstoffbahn ermöglicht als bekannte Trockenanordnungen.It the object of the invention is to provide a drying arrangement provide a better influence on the properties of the fibrous web allows as known drying arrangements.
Erfindungsgemäß wird diese Aufgabe bei einer Trockenanordnung der eingangs genannten Art dadurch gelöst, dass die Druckhaube aus einzelnen sich jeweils in Bahnlaufrichtung erstreckenden und in Bahnlaufrichtung hintereinanderliegenden Elementen besteht, die jeweils einzelne Anschlüsse für die Zu- und Abführung des Mediums haben.According to the invention this Task in a dry arrangement of the type mentioned by solved, that the pressure hood made of individual each in the web running direction extending and in the web running direction one behind the other elements consists of individual connections for the supply and discharge of the Have medium.
Alternativ oder zusätzlich zu dieser Maßnahme lässt sich gemäß der Erfindung vorsehen, dass die Druckhaube aus einzelnen sich jeweils in quer zur Bahnlaufrichtung erstreckenden, nebeneinanderliegenden Elementen besteht, die jeweils einzelne Anschlüsse für die Zu- und Abführung des Mediums haben.alternative or additionally to this measure let yourself according to the invention Provide that the pressure hood is made up of individual ones each in transverse to the web running direction extending, juxtaposed elements consists of individual connections for the supply and discharge of the Have medium.
Gemäß der Erfindung wird, während die Faserstoffbahn über den Zylinder geführt wird, Wasser aus der Faserstoffbahn verdampft und kondensiert in einem Gewebe, das oberhalb der Faserstoffbahn zwischen dieser und der Druckhaube mit der Faserstoffbahn mitgeführt wird. Dabei herrscht in der Druckhaube in jedem einzelnen Element individuell eine niedrigere Temperatur als an der äußeren Wand des Zylinders, der seine Wärme zu einem großen Teil an die Faserstoffbahn abgibt, um die Kondensation des Dampfes zu begünstigen.According to the invention will, while the fibrous web over guided the cylinder Water is evaporated from the fibrous web and condensed in one Tissue that is above the fibrous web between this and the Pressure hood with the fibrous web is carried. It prevails in the pressure hood in each individual element individually a lower one Temperature as on the outer wall of the Cylinder, its heat to a big one Part of the fibrous web gives off the condensation of the vapor to favor.
Über den Druck des Mediums oder der Medien in den nebeneinanderliegenden Elementen wird eingestellt, wie stark das undurchlässige Band, das oberhalb des Gewebes mit der Faserstoffbahn mitgeführt wird, gegen das Gewebe und damit auch gegen die Faserstoffbahn gedrückt wird, um auf diese Weise ebenfalls deren Eigenschaften einzustellen.On the Pressure of the medium or media in the juxtaposed Elements are set, how strong the impermeable band, which is carried above the fabric with the fibrous web, pressed against the fabric and thus also against the fibrous web, to adjust their properties in this way.
Somit lassen sich über die gesamte Breite der Faserstoffbahn individuell zonenweise Eigenschaften der Faserstoffbahn einstellen, um insgesamt ein möglichst gleichmäßiges Profil zu erzielen.Consequently can be over the entire width of the fibrous web individual zone-wise properties adjust the fibrous web to a total of possible uniform profile to achieve.
Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen, der Beschreibung und der Zeichnung.advantageous Further developments of the invention will become apparent from the dependent claims, the Description and the drawing.
In einer vorteilhaften Ausgestaltung der Erfindung sind je Element der Druckhaube deren Parameter, insbesondere deren Druck oder Temperatur, als Stellgrößen einzeln steuerbar oder regelbar.In an advantageous embodiment of the invention are each element the pressure cap whose parameters, in particular their pressure or temperature, as Single manipulated variables controllable or controllable.
Gemäß der Erfindung lassen sich als Regelgrößen der Faserstoffbahn deren Feuchte, Rauhigkeit, Festigkeit und Schrumpfungsverhalten regeln.According to the invention can be as controlled variables of the fibrous web whose moisture, roughness regulate speed, strength and shrinkage behavior.
Mit Vorteil ist zusätzlich vorgesehen, dass unterhalb des Zylinders mindestens ein Stützelement angeordnet ist. Das Stützelement hat beispielsweise eine zylinderförmige Mantelfläche und liegt parallel zur Längsachse des Zylinders an diesem an.With Advantage is additional provided that arranged below the cylinder at least one support element is. The support element has, for example, a cylindrical lateral surface and lies parallel to the longitudinal axis of the cylinder at this.
Das Stützelement kann in verschiedener Weise ausgestaltet sein, insbesondere als Stützwalze, als ein Paar Stützwalzen, als eine Anzahl von über die Breite des Zylinders nebeneinander angeordneter Rollen, als Stützschuh oder Stützband. Es versteht sich, dass mehrere Formen von Stützelementen auch miteinander kombiniert werden können. Beispielsweise kann über die Stützwalzen zusätzlich ein Stützband laufen, das durch weitere Walzen abgestützt wird.The support element can be configured in various ways, in particular as Supporting roll, as a pair of back-up rolls, as a number of over the width of the cylinder juxtaposed rolls, as support shoe or support band. It is understood that several forms of support elements also with each other can be combined. For example can over the back-up rolls in addition support band run, which is supported by other rollers.
Nachstehend
wird die Erfindung anhand eines Ausführungsbeispiels näher beschrieben.
Die einzige Figur zeigt eine perspektivische Ansicht einer Trockeneinrichtung
mit einer Druckhaube
Eine
Trockenanordnung
Die
Faserstoffbahn
Um
ein Entweichen des Gases oder der Flüssigkeit aus der Druckhaube
Unterhalb
des Zylinders
Die
Stützwalzen
Zusätzlich oder
alternativ ist zwischen den Stützwalzen
Anstelle
des Stützschuhs
Die
Druckhaube
Die
je Zelle
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410017810 DE102004017810A1 (en) | 2004-04-13 | 2004-04-13 | Papermaking industry drying and processing arrangement with heated cylinder, includes outer pressure hood comprising assembly of cells with individually-controlled heating fluid connections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410017810 DE102004017810A1 (en) | 2004-04-13 | 2004-04-13 | Papermaking industry drying and processing arrangement with heated cylinder, includes outer pressure hood comprising assembly of cells with individually-controlled heating fluid connections |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004017810A1 true DE102004017810A1 (en) | 2005-10-27 |
Family
ID=35062331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200410017810 Withdrawn DE102004017810A1 (en) | 2004-04-13 | 2004-04-13 | Papermaking industry drying and processing arrangement with heated cylinder, includes outer pressure hood comprising assembly of cells with individually-controlled heating fluid connections |
Country Status (1)
Country | Link |
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DE (1) | DE102004017810A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1918452A1 (en) | 2006-10-30 | 2008-05-07 | Voith Patent GmbH | Dryer section of a paper machine |
EP2138630A2 (en) | 2008-06-26 | 2009-12-30 | Voith Patent GmbH | Cylinder |
EP2138631A1 (en) | 2008-06-26 | 2009-12-30 | Voith Patent GmbH | Drying assembly and cylinder |
DE102008002657A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | Method for the production of double shell having internal and external shell, and/or cylinders of boost dryer unit, comprises connecting the internal and the external shells with one another over a sleeve-like bolt |
DE102008002655A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | Continuous fibrous material web e.g. tissue web, drying method, involves heating casing of cylinder from outside cylinder area that is not exposed by web and porous covering, where casing is wound to impermeable press strip |
DE102008042285A1 (en) | 2008-09-23 | 2010-03-25 | Voith Patent Gmbh | Heatable cylinder i.e. drying cylinder, for use in material web manufacturing and/or treatment machine i.e. paper machine, has heating resistors influencing temperature gradient and middle temperature of inner cylinder barrel |
DE102008043916A1 (en) | 2008-11-20 | 2010-05-27 | Voith Patent Gmbh | Drying arrangement for e.g. paper, in fibrous material web manufacturing and/or conditioning machine, has pressure compensation device compensating compressive force produced by pressure cap and/or weight force of cylinder |
DE102008043918A1 (en) | 2008-11-20 | 2010-05-27 | Voith Patent Gmbh | Dryer arrangement for drying of paper, cardboard, tissue or other fibrous webs in material web fabrication or treatment machine, has section of inner cylindrical surface enlaced by inner pressure cap |
US8118977B2 (en) | 2006-10-30 | 2012-02-21 | Voith Patent Gmbh | Dryer section in a paper machine |
-
2004
- 2004-04-13 DE DE200410017810 patent/DE102004017810A1/en not_active Withdrawn
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1918452A1 (en) | 2006-10-30 | 2008-05-07 | Voith Patent GmbH | Dryer section of a paper machine |
US8118977B2 (en) | 2006-10-30 | 2012-02-21 | Voith Patent Gmbh | Dryer section in a paper machine |
EP2138630A2 (en) | 2008-06-26 | 2009-12-30 | Voith Patent GmbH | Cylinder |
EP2138631A1 (en) | 2008-06-26 | 2009-12-30 | Voith Patent GmbH | Drying assembly and cylinder |
DE102008002657A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | Method for the production of double shell having internal and external shell, and/or cylinders of boost dryer unit, comprises connecting the internal and the external shells with one another over a sleeve-like bolt |
DE102008002663A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | cylinder |
DE102008002656A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | dryer assembly |
DE102008002655A1 (en) | 2008-06-26 | 2009-12-31 | Voith Patent Gmbh | Continuous fibrous material web e.g. tissue web, drying method, involves heating casing of cylinder from outside cylinder area that is not exposed by web and porous covering, where casing is wound to impermeable press strip |
DE102008042285A1 (en) | 2008-09-23 | 2010-03-25 | Voith Patent Gmbh | Heatable cylinder i.e. drying cylinder, for use in material web manufacturing and/or treatment machine i.e. paper machine, has heating resistors influencing temperature gradient and middle temperature of inner cylinder barrel |
DE102008043916A1 (en) | 2008-11-20 | 2010-05-27 | Voith Patent Gmbh | Drying arrangement for e.g. paper, in fibrous material web manufacturing and/or conditioning machine, has pressure compensation device compensating compressive force produced by pressure cap and/or weight force of cylinder |
DE102008043918A1 (en) | 2008-11-20 | 2010-05-27 | Voith Patent Gmbh | Dryer arrangement for drying of paper, cardboard, tissue or other fibrous webs in material web fabrication or treatment machine, has section of inner cylindrical surface enlaced by inner pressure cap |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: VOITH PATENT GMBH, 89522 HEIDENHEIM, DE |
|
R005 | Application deemed withdrawn due to failure to request examination |
Effective date: 20110414 |