ATE199750T1 - Zufuhr von waschflüssigkeit in einem mehrstufigen fraktionierwäscher - Google Patents

Zufuhr von waschflüssigkeit in einem mehrstufigen fraktionierwäscher

Info

Publication number
ATE199750T1
ATE199750T1 AT96928267T AT96928267T ATE199750T1 AT E199750 T1 ATE199750 T1 AT E199750T1 AT 96928267 T AT96928267 T AT 96928267T AT 96928267 T AT96928267 T AT 96928267T AT E199750 T1 ATE199750 T1 AT E199750T1
Authority
AT
Austria
Prior art keywords
stage
washing
filtrate
washer
pct
Prior art date
Application number
AT96928267T
Other languages
English (en)
Inventor
Harri Qvintus
Pekka Tervola
Original Assignee
Andritz Ahlstrom Oy
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=8543992&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE199750(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Ahlstrom Oy filed Critical Andritz Ahlstrom Oy
Application granted granted Critical
Publication of ATE199750T1 publication Critical patent/ATE199750T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
AT96928267T 1995-09-11 1996-05-31 Zufuhr von waschflüssigkeit in einem mehrstufigen fraktionierwäscher ATE199750T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI954259A FI107742B (fi) 1995-09-11 1995-09-11 Menetelmä ja laite massan käsittelemiseksi
PCT/FI1996/000316 WO1997010379A1 (en) 1995-09-11 1996-05-31 Supply of washing liquid in a fractionating multi-stage washer

Publications (1)

Publication Number Publication Date
ATE199750T1 true ATE199750T1 (de) 2001-03-15

Family

ID=8543992

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96928267T ATE199750T1 (de) 1995-09-11 1996-05-31 Zufuhr von waschflüssigkeit in einem mehrstufigen fraktionierwäscher

Country Status (17)

Country Link
US (2) US6159338A (de)
EP (1) EP0856079B1 (de)
JP (1) JPH11512491A (de)
AT (1) ATE199750T1 (de)
CA (1) CA2231551C (de)
CZ (1) CZ69998A3 (de)
DE (1) DE69612105T2 (de)
ES (1) ES2156288T3 (de)
FI (1) FI107742B (de)
HU (1) HU222667B1 (de)
NO (1) NO981055L (de)
PL (1) PL182582B1 (de)
PT (1) PT856079E (de)
RU (1) RU2162496C2 (de)
SK (1) SK31998A3 (de)
WO (1) WO1997010379A1 (de)
ZA (2) ZA967249B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5741399A (en) * 1996-06-24 1998-04-21 Beloit Technologies, Inc. Pulp washing method
AU5865398A (en) * 1997-01-31 1998-08-25 Ahlstrom Machinery Oy Feeding of washing liquid in a pulp washer
FI112957B (fi) * 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi
US20040060674A1 (en) * 2002-10-01 2004-04-01 George Seymour Method for measuring the percent consistency of pulp leaving a blow tank
US20060060814A1 (en) * 2002-12-17 2006-03-23 Lucyna Pawlowska Alkenylsuccinic anhydride surface-applied system and method for using the same
FI121792B (fi) * 2003-06-30 2011-04-15 Andritz Oy Menetelmä massan käsittelemiseksi kemiallisen massan valkaisun yhteydessä
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
FI122775B (fi) 2004-09-07 2012-06-29 Andritz Oy Laite ja menetelmä massan käsittelemiseksi
SE528715C2 (sv) * 2005-06-03 2007-01-30 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättanordning anpassad för att möjliggöra snedställning av de ingående längsgående tätningarna
SE528716C8 (sv) * 2005-06-03 2007-04-24 Metso Paper Inc Anordning för behandling av cellulosamassa i en tvättanordning
SE528729E (sv) * 2005-06-03 2015-07-08 Metso Paper Inc Anordning för behandling av cellulosamassa
SE531847E (sv) * 2007-12-13 2012-06-01 Metso Paper Inc Apparat för tvättning och avvattning av massa
US7976682B2 (en) * 2008-09-23 2011-07-12 Andritz Inc. Hinged screen plate for drum pulp washer and method for cleaning the plate
EP2365850A4 (de) * 2008-10-02 2014-05-21 Gryphon Environmental Llc Vorrichtung und verfahren zur extraktion von suspensionsflüssigkeit
WO2016000948A1 (en) * 2014-07-01 2016-01-07 Sulzer Management Ag A method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454970A (en) * 1965-09-22 1969-07-15 Lionel M Sutherland Apparatus and process for washing a pulp web
SE426607B (sv) * 1982-03-29 1983-01-31 Kamyr Ab Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US5741399A (en) * 1996-06-24 1998-04-21 Beloit Technologies, Inc. Pulp washing method

Also Published As

Publication number Publication date
US6461473B1 (en) 2002-10-08
FI954259A0 (fi) 1995-09-11
NO981055L (no) 1998-05-07
HU222667B1 (hu) 2003-09-29
HUP9900013A2 (hu) 1999-04-28
US6159338A (en) 2000-12-12
NO981055D0 (no) 1998-03-10
ZA967249B (en) 1997-03-03
WO1997010379A1 (en) 1997-03-20
FI107742B (fi) 2001-09-28
CZ69998A3 (cs) 1998-08-12
EP0856079B1 (de) 2001-03-14
RU2162496C2 (ru) 2001-01-27
DE69612105T2 (de) 2001-08-02
PL325524A1 (en) 1998-08-03
ES2156288T3 (es) 2001-06-16
FI954259A (fi) 1997-03-12
DE69612105D1 (de) 2001-04-19
PT856079E (pt) 2001-06-29
HUP9900013A3 (en) 2000-07-28
EP0856079A1 (de) 1998-08-05
ZA967658B (en) 1997-04-16
JPH11512491A (ja) 1999-10-26
SK31998A3 (en) 1998-11-04
CA2231551C (en) 2002-07-09
PL182582B1 (pl) 2002-01-31
CA2231551A1 (en) 1997-03-20

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Legal Events

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UEP Publication of translation of european patent specification
RZN Patent revoked
RZN Patent revoked