EP 2090693 A2 20090819 - Method and device for controlling and/or regulating the moisture of a material web and machine for producing a material web having such a device
Title (en)
Method and device for controlling and/or regulating the moisture of a material web and machine for producing a material web having such a device
Title (de)
Verfahren und Vorrichtung zur Steuerung und/oder Regelung der Feuchte einer Materialbahn und Maschine zur Herstellung einer Materialbahn mit einer derartigen Vorrichtung
Title (fr)
Procédé et dispositif de commande et/ou de réglage de l'humidité d'une bande de matériau et machine de fabrication d'une bande de matériau dotée d'un tel dispositif
Publication
Application
Priority
DE 102008000288 A 20080213
Abstract (en)
The method involves controlling/regulating moisture cross-section by application of applicant e.g. liquid and/or liquid/gas mixture. The moisture cross-section is held constant by difference of end moisture content from a predefined target value. Moisture profile of a material web (M) is controlled/regulated as a correcting variable in a machine direction (MD). The end moisture content is controlled/regulated in a region of a winding device (17), which is arranged downstream a drying part (15). The moisture cross-section and the moisture profile are adjusted in the machine direction. Independent claims are also included for the following: (1) a device for treatment of a material web (2) a machine for manufacturing a material web e.g. paper web, cardboard web and tissue web, including a drying part.
Abstract (de)
Die Erfindung betrifft Verfahren zur Steuerung und/oder Regelung der Feuchte, insbesondere Endfeuchte einer Materialbahn (M) nach Durchlaufen des Trockenteils (15) in einer Maschine zur Herstellung von Materialbahnen (M), bei welchem das Feuchtequerprofil durch Auftrag von Applikationsmittel in Form eines Fluids und/oder Fluid/Gasgemischs gesteuert/geregelt wird. Die Erfindung ist dadurch gekennzeichnet, dass in einem Bereich der Maschine in Maschinenrichtung (MD) betrachtet zusätzlich zum Feuchtequerprofil das Feuchteprofil der Materialbahn (M) gesteuert/geregelt wird.
IPC 8 full level
D21F 7/00 (2006.01); D21G 7/00 (2006.01); D21G 9/00 (2006.01)
CPC (source: EP)
D21F 7/003 (2013.01); D21G 7/00 (2013.01); D21G 9/0045 (2013.01)
Citation (applicant)
- DE 19921592 A1 20001109 - VOITH SULZER PAPIERTECH PATENT [DE]
- DE 10241944 A1 20040318 - VOITH PAPER PATENT GMBH [DE]
- DE 10233795 A1 20040212 - VOITH PAPER PATENT GMBH [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2090693 A2 20090819; EP 2090693 A3 20130717; DE 102008000288 A1 20090820
DOCDB simple family (application)
EP 08171899 A 20081217; DE 102008000288 A 20080213