DE344462T1 - Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen. - Google Patents

Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen.

Info

Publication number
DE344462T1
DE344462T1 DE198989107564T DE89107564T DE344462T1 DE 344462 T1 DE344462 T1 DE 344462T1 DE 198989107564 T DE198989107564 T DE 198989107564T DE 89107564 T DE89107564 T DE 89107564T DE 344462 T1 DE344462 T1 DE 344462T1
Authority
DE
Germany
Prior art keywords
digester
impregnation vessel
continuous
pulp
vessel
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.)
Pending
Application number
DE198989107564T
Other languages
English (en)
Inventor
Johan C .F. C. Oslo 3 No Richter
Ole J. Karlstad Se Richter
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
Kamyr 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 Kamyr AB filed Critical Kamyr AB
Publication of DE344462T1 publication Critical patent/DE344462T1/de
Pending 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

Landscapes

  • Paper (AREA)
  • Baking, Grill, Roasting (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Cookers (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Detergent Compositions (AREA)
DE198989107564T 1988-05-31 1989-04-26 Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen. Pending DE344462T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/200,204 US5300195A (en) 1988-05-31 1988-05-31 Continuous vertical digester apparatus

Publications (1)

Publication Number Publication Date
DE344462T1 true DE344462T1 (de) 1990-06-13

Family

ID=22740743

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8989107564T Expired - Fee Related DE68905524T2 (de) 1988-05-31 1989-04-26 Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen.
DE198989107564T Pending DE344462T1 (de) 1988-05-31 1989-04-26 Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8989107564T Expired - Fee Related DE68905524T2 (de) 1988-05-31 1989-04-26 Erhoehung der qualitaet bei kontinuierlichem zellstoffkochen.

Country Status (9)

Country Link
US (1) US5300195A (de)
EP (1) EP0344462B1 (de)
JP (1) JP2542256B2 (de)
AT (1) ATE87342T1 (de)
BR (1) BR8902492A (de)
CA (1) CA1323790C (de)
DE (2) DE68905524T2 (de)
FI (1) FI892200A (de)
NO (1) NO172857C (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506456C2 (sv) * 1989-06-28 1997-12-15 Kvaerner Pulping Tech Apparat och sätt för kontinuerlig framställning av pappersmassa varvid impregneringskärlet är anordnat i kokkärlet
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
SE502064C2 (sv) * 1993-11-29 1995-07-31 Kvaerner Pulping Tech Sätt och anordning för utmatning av fibermassa
SE517099E (sv) * 1996-04-17 2004-04-07 Kvaerner Pulping Tech System innefattande två pumpar för matning av en sspension till ett tryckkärl
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
JP5215706B2 (ja) * 2007-08-01 2013-06-19 三井造船株式会社 固気２相物質の押し込み装置
CN102212978B (zh) * 2011-04-30 2012-08-29 李刚荣 高浓蒸煮漂白制浆一体机
CN102787521A (zh) * 2011-05-16 2012-11-21 张世乐 一种用于间歇蒸煮的蒸煮液补偿技术
CA2935919A1 (en) * 2013-05-01 2014-11-06 Shell Internationale Research Maatschappij B.V. Methods and systems employing a horizontally configured digestion unit for hydrothermal digestion of cellulosic biomass solids
EP2992069A2 (de) * 2013-05-01 2016-03-09 Shell Internationale Research Maatschappij B.V. Verfahren und systeme unter einsatz einer geneigten aufschlusseinheit für den hydrothermalen aufschluss von cellulosehaltigen biomassefeststoffen
US8986504B1 (en) * 2013-10-25 2015-03-24 International Paper Company Digester apparatus
EP3631081A4 (de) * 2017-05-24 2021-01-13 Valmet AB System und spanrutsche zur zuführung von zerkleinertem cellulosematerial

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858211A (en) * 1956-02-13 1958-10-28 Condi Engineering Corp Apparatus for wood chip digestion
NL258134A (de) * 1959-11-20
GB1042381A (en) * 1963-01-08 1966-09-14 Defibrator Ab Apparatus for use in the production of pulp from lignocellulose-containing material
US3530034A (en) * 1969-05-16 1970-09-22 Itt Rayonier Inc Continuous aqueous prehydrolysis of wood chips
SE342269B (de) * 1970-06-11 1972-01-31 Kamyr Ab
SE354302B (de) * 1972-03-21 1973-03-05 Kamyr Ab
US3843468A (en) * 1973-03-12 1974-10-22 Kamyr Inc Method and apparatus of a two zoned,liquid level controlled screening and feeding device for cellulose digestion
SE379069B (de) * 1973-08-27 1975-09-22 Kamyr Ab
US4093511A (en) * 1973-08-27 1978-06-06 Kamyr Aktiebolag Apparatus for oxygen bleaching of pulp including recirculation of exhaust gases
US4637878A (en) * 1982-03-09 1987-01-20 Kamyr Aktiebolag Reciprocal movable screens in a vertically elongated vessel

Also Published As

Publication number Publication date
JPH02145882A (ja) 1990-06-05
NO891478L (no) 1989-12-01
FI892200A (fi) 1989-12-01
DE68905524D1 (de) 1993-04-29
FI892200A0 (fi) 1989-05-08
CA1323790C (en) 1993-11-02
NO172857B (no) 1993-06-07
NO172857C (no) 1993-09-15
ATE87342T1 (de) 1993-04-15
JP2542256B2 (ja) 1996-10-09
DE68905524T2 (de) 1993-09-09
EP0344462A1 (de) 1989-12-06
NO891478D0 (no) 1989-04-11
EP0344462B1 (de) 1993-03-24
US5300195A (en) 1994-04-05
BR8902492A (pt) 1990-01-16

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