DE69835277D1 - Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff - Google Patents

Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff

Info

Publication number
DE69835277D1
DE69835277D1 DE69835277T DE69835277T DE69835277D1 DE 69835277 D1 DE69835277 D1 DE 69835277D1 DE 69835277 T DE69835277 T DE 69835277T DE 69835277 T DE69835277 T DE 69835277T DE 69835277 D1 DE69835277 D1 DE 69835277D1
Authority
DE
Germany
Prior art keywords
chips
liquid
digester
impregnation
cooking
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
DE69835277T
Other languages
English (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.)
Metso Fiber Karlstad AB
Original Assignee
Kvaerner Pulping AB
Kvaerner Pulping Technologies 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, Kvaerner Pulping Technologies AB filed Critical Kvaerner Pulping AB
Application granted granted Critical
Publication of DE69835277D1 publication Critical patent/DE69835277D1/de
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)
DE69835277T 1997-02-10 1998-02-09 Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff Expired - Lifetime DE69835277D1 (de)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
DE69835277D1 true DE69835277D1 (de) 2006-08-31

Family

ID=27355857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835277T Expired - Lifetime DE69835277D1 (de) 1997-02-10 1998-02-09 Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff

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
SE0602675L (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
CA2877500A1 (en) * 2012-06-28 2014-01-03 Shell Internationale Research Maatschappij B.V. Digestion units configured for high yield biomass processing

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
ATE333532T1 (de) 2006-08-15
CA2277931A1 (en) 1998-08-13
EP0963480B1 (de) 2006-07-19
CA2277931C (en) 2006-11-07
WO1998035092A1 (en) 1998-08-13
AU6233398A (en) 1998-08-26
EP0963480A1 (de) 1999-12-15

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Legal Events

Date Code Title Description
8332 No legal effect for de