CA2277931C - Method and device for the continuous cooking of chemical pulp - Google Patents

Method and device for the continuous cooking of chemical pulp Download PDF

Info

Publication number
CA2277931C
CA2277931C CA002277931A CA2277931A CA2277931C CA 2277931 C CA2277931 C CA 2277931C CA 002277931 A CA002277931 A CA 002277931A CA 2277931 A CA2277931 A CA 2277931A CA 2277931 C CA2277931 C CA 2277931C
Authority
CA
Canada
Prior art keywords
liquid
digester
separator
line
impregnation
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.)
Expired - Lifetime
Application number
CA002277931A
Other languages
English (en)
French (fr)
Other versions
CA2277931A1 (en
Inventor
Vidar Snekkenes
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.)
Valmet AB
Original Assignee
Kvaerner Pulping AB
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
Priority claimed from SE9700435A external-priority patent/SE511850C2/sv
Priority claimed from US08/908,285 external-priority patent/US6123807A/en
Priority claimed from US08/960,012 external-priority patent/US6159336A/en
Application filed by Kvaerner Pulping AB filed Critical Kvaerner Pulping AB
Publication of CA2277931A1 publication Critical patent/CA2277931A1/en
Application granted granted Critical
Publication of CA2277931C publication Critical patent/CA2277931C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices
    • 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye

Landscapes

  • Paper (AREA)
CA002277931A 1997-02-10 1998-02-09 Method and device for the continuous cooking of chemical pulp Expired - Lifetime CA2277931C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
SE9700435A SE511850C2 (sv) 1997-02-10 1997-02-10 Sätt och anläggning för kontinuerlig kokning av fibermaterial
SE9700435-2 1997-02-10
US08/908,285 US6123807A (en) 1997-02-18 1997-08-07 Method for the continuous cooking of pulp
US08/908,285 1997-08-07
US08/960,012 US6159336A (en) 1997-08-07 1997-10-29 Method and device for the continuous cooking of pulp
US08/960,012 1997-10-29
PCT/SE1998/000224 WO1998035092A1 (en) 1997-02-10 1998-02-09 Method and device for the continuous cooking of chemical pulp

Publications (2)

Publication Number Publication Date
CA2277931A1 CA2277931A1 (en) 1998-08-13
CA2277931C true CA2277931C (en) 2006-11-07

Family

ID=27355857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002277931A Expired - Lifetime CA2277931C (en) 1997-02-10 1998-02-09 Method and device for the continuous cooking of chemical pulp

Country Status (6)

Country Link
EP (1) EP0963480B1 (de)
AT (1) ATE333532T1 (de)
AU (1) AU6233398A (de)
CA (1) CA2277931C (de)
DE (1) DE69835277D1 (de)
WO (1) WO1998035092A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE529573C2 (sv) * 2006-12-13 2007-09-18 Metso Fiber Karlstad Ab Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
WO2012060749A1 (en) * 2010-11-03 2012-05-10 Metso Paper Sweden Ab Top separator for steam/liquid digester
EP2867407A1 (de) * 2012-06-28 2015-05-06 Shell Internationale Research Maatschappij B.V. Zur biomassenverarbeitung mit hohem ertrag konfigurierte aufschlusseinheiten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE330819B (de) * 1966-09-12 1970-11-30 Kamyr Ab
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
US5401361A (en) * 1992-08-19 1995-03-28 Kamyr, Inc. Completely coutercurrent cook continuous digester
US5413677A (en) * 1993-04-05 1995-05-09 Kamyr, Inc. Method for producing chemical pulp from hardwood chips
SE502134C2 (sv) * 1994-02-10 1995-08-28 Kvaerner Pulping Tech Optimering av vätske/ved-förhållande i förimpregneringskärl och kontinuerlig kokare vid framställning av kemisk massa

Also Published As

Publication number Publication date
AU6233398A (en) 1998-08-26
EP0963480B1 (de) 2006-07-19
CA2277931A1 (en) 1998-08-13
ATE333532T1 (de) 2006-08-15
DE69835277D1 (de) 2006-08-31
EP0963480A1 (de) 1999-12-15
WO1998035092A1 (en) 1998-08-13

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MKEX Expiry

Effective date: 20180209