DE69723879D1 - Verfahren zum kontinuierlichen aufschliessen in einem einzelgefäss-kocher - Google Patents

Verfahren zum kontinuierlichen aufschliessen in einem einzelgefäss-kocher

Info

Publication number
DE69723879D1
DE69723879D1 DE69723879T DE69723879T DE69723879D1 DE 69723879 D1 DE69723879 D1 DE 69723879D1 DE 69723879 T DE69723879 T DE 69723879T DE 69723879 T DE69723879 T DE 69723879T DE 69723879 D1 DE69723879 D1 DE 69723879D1
Authority
DE
Germany
Prior art keywords
digester
liquor
return line
chips
conveyed
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
DE69723879T
Other languages
English (en)
Inventor
Vidar Snekkenes
Lennart Gustavsson
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
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
Application filed by Kvaerner Pulping AB filed Critical Kvaerner Pulping AB
Application granted granted Critical
Publication of DE69723879D1 publication Critical patent/DE69723879D1/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
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes

Landscapes

  • Paper (AREA)
  • Commercial Cooking Devices (AREA)
  • Meat, Egg Or Seafood Products (AREA)
DE69723879T 1997-06-13 1997-06-13 Verfahren zum kontinuierlichen aufschliessen in einem einzelgefäss-kocher Expired - Lifetime DE69723879D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1997/001039 WO1998056979A1 (en) 1997-06-13 1997-06-13 Method for continuous cooking in a single-vessel digester

Publications (1)

Publication Number Publication Date
DE69723879D1 true DE69723879D1 (de) 2003-09-04

Family

ID=20406259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723879T Expired - Lifetime DE69723879D1 (de) 1997-06-13 1997-06-13 Verfahren zum kontinuierlichen aufschliessen in einem einzelgefäss-kocher

Country Status (7)

Country Link
US (1) US6254723B1 (de)
EP (1) EP0988414B1 (de)
AT (1) ATE246282T1 (de)
AU (1) AU3561097A (de)
CA (1) CA2293564C (de)
DE (1) DE69723879D1 (de)
WO (1) WO1998056979A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034968B (de) * 1956-01-11 1958-07-24 Hans Werner Meyer Kontinuierliches Verfahren zum chemischen Aufschluss von zellulosehaltigen Faserstoffen zu Zellstoff oder Halbzellstoff und Vorrichtung zu dessen Durchfuehrung
US5302247A (en) 1992-11-02 1994-04-12 Kamyr, Inc. Top circulation line cooling for a modified cook digester
US5413677A (en) 1993-04-05 1995-05-09 Kamyr, Inc. Method for producing chemical pulp from hardwood chips
SE505528C2 (sv) 1995-04-28 1997-09-15 Kvaerner Pulping Tech Impregnering av flis med het svartlut i ett kontinuerligt enkärlssystem

Also Published As

Publication number Publication date
CA2293564A1 (en) 1998-12-17
US6254723B1 (en) 2001-07-03
EP0988414B1 (de) 2003-07-30
AU3561097A (en) 1998-12-30
WO1998056979A1 (en) 1998-12-17
ATE246282T1 (de) 2003-08-15
CA2293564C (en) 2005-04-12
EP0988414A1 (de) 2000-03-29

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Legal Events

Date Code Title Description
8332 No legal effect for de