EP1249532A3 - Method and installation for formation control - Google Patents

Method and installation for formation control Download PDF

Info

Publication number
EP1249532A3
EP1249532A3 EP02007538A EP02007538A EP1249532A3 EP 1249532 A3 EP1249532 A3 EP 1249532A3 EP 02007538 A EP02007538 A EP 02007538A EP 02007538 A EP02007538 A EP 02007538A EP 1249532 A3 EP1249532 A3 EP 1249532A3
Authority
EP
European Patent Office
Prior art keywords
formation
installation
formation control
fibrous material
material 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.)
Granted
Application number
EP02007538A
Other languages
German (de)
French (fr)
Other versions
EP1249532B1 (en
EP1249532A2 (en
Inventor
Michael Dr. Schwarz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7681523&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1249532(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1249532A2 publication Critical patent/EP1249532A2/en
Publication of EP1249532A3 publication Critical patent/EP1249532A3/en
Application granted granted Critical
Publication of EP1249532B1 publication Critical patent/EP1249532B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables
    • Y10S162/11—Wet end paper making variables

Abstract

Process and apparatus for manufacturing a fibrous material web. The apparatus includes an automatic formation regulator, and the process includes on-line measuring of formation of the fibrous material web, utilizing the on-line measured formation as a controlled variable, and maintaining the formation at a preselectable target level via the automatic formation regulator.
EP02007538A 2001-04-12 2002-04-03 Method and installation for formation control Expired - Fee Related EP1249532B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10118508 2001-04-12
DE10118508A DE10118508A1 (en) 2001-04-12 2001-04-12 Process and plant for producing a fibrous web

Publications (3)

Publication Number Publication Date
EP1249532A2 EP1249532A2 (en) 2002-10-16
EP1249532A3 true EP1249532A3 (en) 2004-01-02
EP1249532B1 EP1249532B1 (en) 2006-12-27

Family

ID=7681523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02007538A Expired - Fee Related EP1249532B1 (en) 2001-04-12 2002-04-03 Method and installation for formation control

Country Status (5)

Country Link
US (1) US6805772B2 (en)
EP (1) EP1249532B1 (en)
AT (1) ATE349569T1 (en)
CA (1) CA2381496C (en)
DE (2) DE10118508A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20012175A (en) * 2001-11-09 2003-05-10 Metso Paper Automation Oy Method and apparatus for controlling the operation of a wire section
DE10317720A1 (en) * 2003-04-17 2005-02-17 Voith Paper Patent Gmbh headbox
DE102004063005A1 (en) 2004-12-22 2006-07-13 Basf Ag Process for the production of paper, cardboard and cardboard
DE102005010404B4 (en) * 2005-03-07 2009-07-09 Siemens Ag Method for controlling a metering system in papermaking and device for this purpose
US20060293763A1 (en) * 2005-06-08 2006-12-28 Rivard James P Process analysis tool
DE102005051656A1 (en) * 2005-10-28 2007-05-03 Voith Patent Gmbh Method and device for producing a fibrous web
DE102005062304A1 (en) * 2005-12-24 2007-06-28 Voith Patent Gmbh Method and plant for producing a fibrous web
US7588663B2 (en) * 2006-10-20 2009-09-15 Kimberly-Clark Worldwide, Inc. Multiple mode headbox
DE102010041052A1 (en) * 2010-09-20 2012-03-22 Voith Patent Gmbh Method for controlling the formation of a fibrous web
US20150292158A1 (en) * 2012-09-28 2015-10-15 Voith Patent Gmbh Method for controlling the formation of a fiber web of a fiber or paper producing process
US9540770B2 (en) * 2014-09-25 2017-01-10 Honeywell Limited Modular sensing system for web-based applications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01260091A (en) * 1988-04-04 1989-10-17 Aikawa Tekko Kk Method for controlling operation of paper-making machine or such
US5622602A (en) * 1989-05-31 1997-04-22 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Apparatus for controlling the degree of paper fiber variation
EP1054102A2 (en) * 1999-05-19 2000-11-22 Voith Sulzer Papiertechnik Patent GmbH Process and apparatus for controlling or regulating the basis weight of a paper- or board web
DE10043142A1 (en) * 2000-08-31 2001-03-01 Voith Paper Patent Gmbh Stock inlet control uses pulp density sensors and flow meters to register the pulp condition for comparison with nominal values for deviations to be corrected rapidly by a control circuit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US89479A (en) * 1869-04-27 Improvement in water-closets
US4648712A (en) * 1985-02-04 1987-03-10 Champion International Corporation Apparatus and method for analyzing parameters of a fibrous substrate
CA1222319A (en) * 1985-05-16 1987-05-26 Cip Inc. Apparatus for analysing the formation of a paper web
DE3822783A1 (en) * 1988-07-06 1990-01-11 Basf Ag METHOD FOR CONTROLLING THE ADDITION OF RETENTION AGENTS IN PAPER PRODUCTION
US5393378A (en) * 1989-05-31 1995-02-28 Ishikawajima-Harima Jukogyo Kabushiki Kaishi Method for measuring and controlling fiber variations in paper sheet
US5314581A (en) * 1991-12-10 1994-05-24 Betz Paperchem, Inc. Apparatus for simulating processing parameters and predicting variables in a papermaking operation including sequential pulsation, gravity and vacuum drainage, fines retention and paper formation
DE19634997C2 (en) * 1996-08-30 1999-08-05 Voith Sulzer Papiermasch Gmbh Control device with a plurality of sensors
DE19736048A1 (en) * 1997-08-20 1999-02-25 Voith Sulzer Papiermasch Gmbh Device and method for controlling or regulating a web property profile
US6086716A (en) * 1998-05-11 2000-07-11 Honeywell-Measurex Corporation Wet end control for papermaking machine
FI103822B (en) * 1998-06-16 1999-09-30 Valmet Corp A method for optimizing flocking
DE19835295A1 (en) * 1998-08-05 2000-02-10 Voith Sulzer Papiertech Patent Method for setting a uniform property profile of a paper web
US6301373B1 (en) * 1998-10-01 2001-10-09 Mcgill University Paper quality determination and control using scale of formation data
US6290816B1 (en) * 1999-07-21 2001-09-18 Voith Sulzer Paper Technology North America, Inc. Paper machine with closed loop control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01260091A (en) * 1988-04-04 1989-10-17 Aikawa Tekko Kk Method for controlling operation of paper-making machine or such
US5622602A (en) * 1989-05-31 1997-04-22 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Apparatus for controlling the degree of paper fiber variation
EP1054102A2 (en) * 1999-05-19 2000-11-22 Voith Sulzer Papiertechnik Patent GmbH Process and apparatus for controlling or regulating the basis weight of a paper- or board web
DE10043142A1 (en) * 2000-08-31 2001-03-01 Voith Paper Patent Gmbh Stock inlet control uses pulp density sensors and flow meters to register the pulp condition for comparison with nominal values for deviations to be corrected rapidly by a control circuit

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JONES D G ET AL: "A NEW NON-LINEAR OPTIMAL CONTROL STRATEGY FOR PAPER FORMATION", MEASUREMENT AND CONTROL, INSTITUTE OF MEASUREMENT AND CONTROL. LONDON, GB, VOL. 32, NR. 8, PAGE(S) 241-245, ISSN: 0020-2940, XP000927031 *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 017 (C - 675) 16 January 1990 (1990-01-16) *
SCHULTZ, H.-J. UND JUUL, T.: "Lasertechnologie zur Nuztung des Potentials eines Blattbildungssystems in Verbindung mit der BTF-Universalverteiler-Stoffauflauf-Technologie", WOCHENBLATT FÜR PAPIERFABRIKATION, no. 11/12, 2000, pages 772 - 781, XP001154890 *

Also Published As

Publication number Publication date
CA2381496C (en) 2008-09-02
US6805772B2 (en) 2004-10-19
EP1249532B1 (en) 2006-12-27
EP1249532A2 (en) 2002-10-16
ATE349569T1 (en) 2007-01-15
DE50209044D1 (en) 2007-02-08
CA2381496A1 (en) 2002-10-12
US20020179268A1 (en) 2002-12-05
DE10118508A1 (en) 2002-10-17

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