ATE333532T1 - Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff - Google Patents

Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff

Info

Publication number
ATE333532T1
ATE333532T1 AT98904473T AT98904473T ATE333532T1 AT E333532 T1 ATE333532 T1 AT E333532T1 AT 98904473 T AT98904473 T AT 98904473T AT 98904473 T AT98904473 T AT 98904473T AT E333532 T1 ATE333532 T1 AT E333532T1
Authority
AT
Austria
Prior art keywords
chips
liquid
digester
impregnation
transfer
Prior art date
Application number
AT98904473T
Other languages
English (en)
Inventor
Vidar Snekkenes
Original Assignee
Kvaerner Pulping Tech
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 Tech filed Critical Kvaerner Pulping Tech
Application granted granted Critical
Publication of ATE333532T1 publication Critical patent/ATE333532T1/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
    • 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)
AT98904473T 1997-02-10 1998-02-09 Verfahren und vorrichtung zur kontinuierlichen kochung von zellstoff ATE333532T1 (de)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ATE333532T1 true ATE333532T1 (de) 2006-08-15

Family

ID=27355857

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98904473T ATE333532T1 (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
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
BR112014032111A2 (pt) * 2012-06-28 2017-08-08 Shell Int Research unidade de digestão.

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
WO1998035092A1 (en) 1998-08-13
EP0963480A1 (de) 1999-12-15
EP0963480B1 (de) 2006-07-19
CA2277931A1 (en) 1998-08-13
AU6233398A (en) 1998-08-26
DE69835277D1 (de) 2006-08-31
CA2277931C (en) 2006-11-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties