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ATE227370T1 - HEADBOX FOR PAPER MACHINES - Google Patents

HEADBOX FOR PAPER MACHINES

Info

Publication number
ATE227370T1
ATE227370T1 AT97101711T AT97101711T ATE227370T1 AT E227370 T1 ATE227370 T1 AT E227370T1 AT 97101711 T AT97101711 T AT 97101711T AT 97101711 T AT97101711 T AT 97101711T AT E227370 T1 ATE227370 T1 AT E227370T1
Authority
AT
Austria
Prior art keywords
flows
control flows
throughputs
mixture part
distributor
Prior art date
Application number
AT97101711T
Other languages
German (de)
Inventor
Helmut Heinzmann
Udo Heuser
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=6408700&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE227370(T1) "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
Application granted granted Critical
Publication of ATE227370T1 publication Critical patent/ATE227370T1/en

Links

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
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/028—Details of the nozzle section
    • 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
    • D21F1/02—Head boxes of Fourdrinier machines
    • 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
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/026—Details of the turbulence section
    • 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
    • D21F1/08—Regulating consistency

Landscapes

  • Paper (AREA)
  • Sewing Machines And Sewing (AREA)
  • Prostheses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

The stock inlet action, at a papermaking machine, has a distributor to spread the pulp suspension over the working width of the papermaking machine, using a number of openings or channels leading to the outlet slit across the machine width. The distributor separates at least part of the suspension flow into mixture part-flows, where each is formed into at least two control flows of different densities (CH,CL). To correct the paper weight profile in the finished paper material, the density (CM) of each mixture part-flow is individually adjusted by altering the throughputs (QH,QL) of the control flows. The throughputs (QH,QL) of the control flows are matched together, so that the throughput (QM) of the mixture part-flows remains unchanged or is restored to the required value.
AT97101711T 1990-06-20 1991-06-08 HEADBOX FOR PAPER MACHINES ATE227370T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4019593A DE4019593C2 (en) 1990-06-20 1990-06-20 Headbox for paper machines

Publications (1)

Publication Number Publication Date
ATE227370T1 true ATE227370T1 (en) 2002-11-15

Family

ID=6408700

Family Applications (2)

Application Number Title Priority Date Filing Date
AT97101711T ATE227370T1 (en) 1990-06-20 1991-06-08 HEADBOX FOR PAPER MACHINES
AT96120331T ATE214442T1 (en) 1990-06-20 1991-06-08 METHOD FOR OPERATING A HEADBOX OF A PAPER MACHINE

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT96120331T ATE214442T1 (en) 1990-06-20 1991-06-08 METHOD FOR OPERATING A HEADBOX OF A PAPER MACHINE

Country Status (6)

Country Link
EP (3) EP0789107B1 (en)
JP (1) JP3301623B2 (en)
AT (2) ATE227370T1 (en)
CA (1) CA2045038C (en)
DE (3) DE4019593C2 (en)
FI (2) FI912230A (en)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005281C2 (en) * 1990-02-20 1995-04-06 Schultz Hans Joachim Dr Ing Headbox with regulation of the basis weight cross-section via the dilution of the fiber suspension
DE4112347C3 (en) * 1991-04-16 2001-01-18 Voith Gmbh J M Valve device for the paper industry
DE4211291C3 (en) * 1992-04-03 2001-06-07 Voith Gmbh J M Mixing device and method for mixing two liquids at a constant mixture volume flow to supply the headbox of a paper machine
DE4211290C2 (en) * 1992-04-03 1994-07-07 Voith Gmbh J M Mixing device with variable pipe cross-sections for mixing two liquids at a constant mixture volume flow to supply the headbox of a paper machine
DE4213707A1 (en) * 1992-04-25 1993-10-28 Escher Wyss Gmbh Headbox device for a paper machine
DE4237310C2 (en) * 1992-11-05 1994-07-07 Voith Gmbh J M Headbox with device for adjusting the fiber orientation
DE4239845C2 (en) * 1992-11-05 1998-12-03 Voith Gmbh J M Procedure for measuring the effect of adjustments on the headbox and for correcting the basis weight and fiber orientation cross profile
DE4237309A1 (en) * 1992-11-05 1993-04-08 Voith Gmbh J M
DE4237305C2 (en) * 1992-11-05 1994-07-07 Voith Gmbh J M Turbulence insert with variable geometry for a headbox of a paper machine
DE4237307C2 (en) * 1992-11-05 1994-08-18 Voith Gmbh J M Headbox of a machine forming a fibrous web
DE4241076C2 (en) * 1992-11-05 1995-04-06 Voith Gmbh J M Headbox of a paper machine with a variable lower lip
DE4239647C2 (en) * 1992-11-26 1994-11-03 Voith Gmbh J M Method and device for equalizing the basis weight cross-section by means of sieve circuit sectioning
DE4316054C2 (en) * 1993-05-13 1995-11-23 Voith Gmbh J M Headbox of a paper machine
DE4320243C2 (en) † 1993-06-18 1996-02-22 Voith Sulzer Papiermasch Gmbh Headbox for a paper machine
DE4321697C2 (en) * 1993-06-30 2002-05-23 Voith Paper Patent Gmbh Turbulence insert of a paper machine
FI92229C (en) * 1993-07-01 1994-10-10 Valmet Paper Machinery Inc Method and device for headbox adjustment
FI92230C (en) * 1993-07-01 1994-10-10 Valmet Paper Machinery Inc Method of controlling a multilayer inlet and multilayer inlet
DE69434813T2 (en) * 1993-07-01 2007-01-04 Metso Paper, Inc. Method and device for regulating a headbox
FR2714403A1 (en) * 1993-12-23 1995-06-30 Chleq Frote Paper-making stock inlet
EP0681057B1 (en) * 1994-04-29 2002-08-28 Voith Paper Patent GmbH Multi-layer headbox
DE4416898C2 (en) * 1994-05-13 1996-03-28 Voith Sulzer Papiermasch Gmbh Headbox for a paper machine with local admixing of fluid
DE4416899C2 (en) * 1994-05-13 1997-12-18 Voith Sulzer Papiermasch Gmbh Process for the local admixing of fluid into a headbox and device for its execution
DE4416909C2 (en) * 1994-05-13 1997-12-11 Voith Sulzer Papiermasch Gmbh Headbox for a paper machine
DE4422907C2 (en) 1994-06-30 1997-03-06 Voith Gmbh J M Sectional feed of the headbox of a paper machine
US5510005A (en) * 1994-07-25 1996-04-23 Westvaco Corporation Venturi headbox for a papermaking machine
DE4433445C1 (en) * 1994-09-20 1996-03-28 Voith Gmbh J M Headbox of a paper machine
DE4437181C2 (en) * 1994-10-18 1997-02-27 Voith Sulzer Papiermasch Gmbh Headbox for a paper machine
DE9416731U1 (en) * 1994-10-18 1995-01-12 Sulzer-Escher Wyss Gmbh, 88212 Ravensburg Headbox for a paper machine
DE4437180C2 (en) * 1994-10-18 1997-03-20 Voith Sulzer Papiermasch Gmbh Process for producing a headbox and intermediate part of a headbox of a paper or board machine
DE19514236C2 (en) * 1995-04-15 1997-10-02 Voith Sulzer Papiermasch Gmbh Headbox for a paper machine for producing a multi-layer or multi-layer paper web
FR2733773B1 (en) * 1995-05-02 1997-08-01 Allimand HEADBOX FOR PAPER MACHINE
US5603806A (en) * 1995-06-01 1997-02-18 Valmet Corporation Method and apparatus for lateral alignment of the cross-direction quality profile of a web in a paper machine
US5626722A (en) * 1995-06-01 1997-05-06 Valmet Corporation Headbox of a paper/board machine
DE19531475C2 (en) * 1995-08-25 2002-10-31 Pulsar Naturprodukte Gmbh Process for making paper
DE59608786D1 (en) 1995-11-17 2002-04-04 Voith Paper Patent Gmbh Process for influencing the tear length cross profile of a running fibrous web
FI98938C (en) * 1996-06-20 1997-09-10 Valmet Corp Apparatus for combining the dilution flow with the pulp flow from the paper / board divider
DE19632673A1 (en) * 1996-08-14 1998-02-19 Voith Sulzer Papiermasch Gmbh Process for distributing the stock flowing through a paper machine head box
DE19634997C2 (en) * 1996-08-30 1999-08-05 Voith Sulzer Papiermasch Gmbh Control device with a plurality of sensors
DE19634995A1 (en) * 1996-08-30 1998-03-05 Voith Sulzer Papiermasch Gmbh Wet section of a paper machine with a density-controlled headbox and twin-wire former
DE19756203A1 (en) 1996-12-23 1998-09-24 Voith Sulzer Papiermasch Gmbh Wet press in the forming section of a paper or paper board machine
DE19705590A1 (en) * 1997-02-14 1998-08-20 Voith Sulzer Papiermasch Gmbh Paper making machine stock inlet
DE29702548U1 (en) * 1997-02-14 1997-04-10 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Headbox of a paper machine
DE19723860A1 (en) * 1997-06-06 1998-12-10 Voith Sulzer Papiermasch Gmbh Stock inlet
DE19733454A1 (en) 1997-08-02 1999-02-04 Voith Sulzer Papiermasch Gmbh Method and device for detecting and correcting a fiber orientation cross profile change
DE19736047A1 (en) 1997-08-20 1999-02-25 Voith Sulzer Papiermasch Gmbh Device and method for controlling or regulating the basis weight of a paper or cardboard web
DE19736048A1 (en) * 1997-08-20 1999-02-25 Voith Sulzer Papiermasch Gmbh Device and method for controlling or regulating a web property profile
US6117272A (en) * 1998-09-03 2000-09-12 Voith Sulzer Papiermaschinen Device and process for metering auxiliary materials into the flow box of a paper machine
DE19843728A1 (en) 1998-09-24 2000-03-30 Voith Sulzer Papiertech Patent Method and device for keeping the low consistency strand of a headbox system clean
DE19843727A1 (en) * 1998-09-24 2000-03-30 Voith Sulzer Papiertech Patent Process and headbox system to improve the consistency cross profile of a fiber web
DE19843729A1 (en) 1998-09-24 2000-03-30 Voith Sulzer Papiertech Patent Control of the lateral shrinkage profile of a running paper or cardboard web uses on-line mapping to set the composition of the fiber suspension flows by sections at the stock inlet across the machine width
DE19946575A1 (en) * 1999-09-29 2001-04-05 Voith Paper Patent Gmbh Assembly for the separation of gas from a fiber suspension has a main and a secondary dividing wall in the container with underpressure to recirculate the suspension and direct gas-free suspension into a dwell zone
DE10046171A1 (en) * 2000-09-19 2002-03-28 Voith Paper Patent Gmbh Method and device for applying a liquid or pasty application medium to a running material web
GB2367564B (en) 2000-10-04 2004-02-18 Sandusky Walmsley Ltd Method of and apparatus for distribution of paper stock in paper or board making machinery
DE10051802A1 (en) 2000-10-18 2002-04-25 Voith Paper Patent Gmbh Slat of a headbox of a paper, cardboard or tissue machine
DE10106538A1 (en) * 2001-02-13 2002-08-22 Voith Paper Patent Gmbh Mixing unit, for fiber suspension part-flows, has an entry chamber with an eddy choke at the outlet, to give a spiral mixed flow to be smoothed by flow guides to pass to the stock inlet of a papermaking machine
DE10117236A1 (en) * 2001-04-06 2002-10-17 Voith Paper Patent Gmbh Paper making process uses never-dried-pulp with additive introduced by chemical precipitation
DE10121775A1 (en) * 2001-05-04 2002-11-07 Voith Paper Patent Gmbh Method and device for calibrating material density sensors
DE10122047A1 (en) * 2001-05-07 2002-11-14 Voith Paper Patent Gmbh Sheet forming device and method
DE10208610B4 (en) * 2002-02-27 2014-03-06 Voith Patent Gmbh Method for distributing a pulp suspension in the headbox of a paper or board machine and headbox
DE10211178A1 (en) * 2002-03-14 2003-09-25 Voith Paper Patent Gmbh Laminated outlet for production of sandwich plaster board or corrugated cardboard has bends in channel sidewalls to jet outlet
DE10232125A1 (en) * 2002-07-16 2004-02-05 Voith Paper Patent Gmbh Sieve section for the production of a multi-layer fibrous web
DE10234559A1 (en) * 2002-07-30 2004-02-19 Voith Paper Patent Gmbh Papermaking machine for low-volume paper or carton has vortex generator block made of a single integral plastic unit with jets discharging to sieve belt
DE10317720A1 (en) * 2003-04-17 2005-02-17 Voith Paper Patent Gmbh headbox
DE10331039A1 (en) * 2003-07-09 2005-01-27 Voith Paper Patent Gmbh headbox
DE10331040A1 (en) * 2003-07-09 2005-01-27 Voith Paper Patent Gmbh Papermaking assembly fibre suspension headbox has throttle control of dilution mechanism in outer margin
DE10333977A1 (en) * 2003-07-25 2005-02-10 Voith Paper Patent Gmbh headbox
DE10335752A1 (en) * 2003-08-05 2005-03-03 Voith Paper Patent Gmbh Headbox for production of paper or carton web has horizontal cell lines with vortex generators discharging through the jet via parallel horizontal arrays of slats
DE10351295A1 (en) * 2003-10-31 2005-06-02 Voith Paper Patent Gmbh Method for producing a fibrous web and apparatus for carrying out the method
DE10355687A1 (en) * 2003-11-28 2005-06-23 Voith Paper Patent Gmbh Process for producing a fibrous web
DE10358216A1 (en) * 2003-12-12 2005-07-21 Voith Paper Patent Gmbh Method and device for controlling at least one process-relevant property during the production of a fibrous web
DE202004021817U1 (en) 2004-10-21 2011-06-09 Voith Patent GmbH, 89522 Sheet forming system
DE102007033395A1 (en) 2007-07-18 2009-02-19 Voith Patent Gmbh Schrägsiebformer a machine for producing a fibrous web of at least one pulp suspension
DE102008000435A1 (en) 2008-02-28 2009-09-03 Voith Patent Gmbh Schrägsiebformer a machine for producing a fibrous web of at least one pulp suspension
DE102008043358A1 (en) 2008-10-31 2010-05-06 Voith Patent Gmbh Method and device for web transfer
EP2199459A1 (en) 2008-12-16 2010-06-23 Voith Patent GmbH Sheet composition system for a machine for producing a multiple layer sheet of fibrous material
DE102008055184A1 (en) 2008-12-30 2010-07-01 Voith Patent Gmbh Method and device for controlling the moisture cross profile in the area of the wire section
DE102009000696A1 (en) 2009-02-06 2010-08-12 Voith Patent Gmbh Method for producing a multilayer fibrous web and sheet forming apparatus for carrying out the method
DE102009003148A1 (en) 2009-05-15 2010-11-18 Voith Patent Gmbh Method for compensating variations in operation mode of machine for producing fibrous web e.g. paper web, involves controlling actuators for producing reaction, which counter acts variations caused by agent
DE102009027079A1 (en) 2009-06-22 2010-12-23 Voith Patent Gmbh Headbox for a machine for producing a fibrous web
DE102009046968A1 (en) 2009-11-23 2011-05-26 Voith Patent Gmbh headbox
DE102010029601A1 (en) 2010-06-01 2011-12-01 Voith Patent Gmbh Method for checking the condition of closed valve systems for assessing the condition of maintenance
DE102010029602A1 (en) 2010-06-01 2011-12-01 Voith Patent Gmbh Positioning drive and positioning drive system
DE102011078925A1 (en) 2011-07-11 2013-01-17 Voith Patent Gmbh Method for setting uniform property transverse profile of e.g. paper in headbox of fibrous web manufacturing machine, involves integrating basis weight cross profile and fiber orientation cross profile in respective control circuits
DE102011082836A1 (en) 2011-09-16 2013-03-21 Voith Patent Gmbh Method for controlling and regulating a paper machine
DE102011082914A1 (en) 2011-09-19 2013-03-21 Voith Patent Gmbh Wire section for a machine for producing a fibrous web

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE2942966C2 (en) * 1979-10-24 1984-04-26 J.M. Voith Gmbh, 7920 Heidenheim Headbox nozzle
DE3244055A1 (en) * 1981-12-08 1983-07-21 ASEA AB, 72183 Västeraas Arrangement for controlling the fibre concentration in a fibre suspension
DE3514554C3 (en) * 1984-09-19 1998-01-08 Escher Wyss Gmbh Headbox device for a paper machine and method for its operation
DE3535849A1 (en) * 1985-10-08 1987-04-09 Voith Gmbh J M Setting device for the lip of a papermachine hatbox
DE3628699A1 (en) * 1986-08-23 1988-03-03 Voith Gmbh J M FABRIC DRAIN
FR2631353A1 (en) * 1988-05-13 1989-11-17 Semti PASTA MIXED FEEDING DEVICE

Also Published As

Publication number Publication date
FI20020790A (en) 2002-04-24
DE59109230D1 (en) 2002-04-18
FI912230A (en) 1991-12-21
EP0785305A1 (en) 1997-07-23
DE4019593C2 (en) 1994-01-20
DE4019593A1 (en) 1992-01-09
DE59109243D1 (en) 2002-12-12
CA2045038C (en) 2006-02-14
JPH04333688A (en) 1992-11-20
EP0789107A2 (en) 1997-08-13
EP0462472A1 (en) 1991-12-27
EP0785305B1 (en) 2002-03-13
ATE214442T1 (en) 2002-03-15
EP0789107A3 (en) 2000-01-19
FI912230A0 (en) 1991-05-08
JP3301623B2 (en) 2002-07-15
EP0789107B1 (en) 2002-11-06
CA2045038A1 (en) 1991-12-21

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Legal Events

Date Code Title Description
RZN Patent revoked