SE9903470L - Kontinuerlig cellulosamassakokare - Google Patents

Kontinuerlig cellulosamassakokare

Info

Publication number
SE9903470L
SE9903470L SE9903470A SE9903470A SE9903470L SE 9903470 L SE9903470 L SE 9903470L SE 9903470 A SE9903470 A SE 9903470A SE 9903470 A SE9903470 A SE 9903470A SE 9903470 L SE9903470 L SE 9903470L
Authority
SE
Sweden
Prior art keywords
cellulose pulp
top separator
inverted top
continuous cellulose
extracted
Prior art date
Application number
SE9903470A
Other languages
English (en)
Other versions
SE9903470D0 (sv
SE522877C2 (sv
Inventor
Richard Laakso
C Bertil Stromberg
Kaj O Henricson
Original Assignee
Ahlstrom Machinery Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22710253&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9903470(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/192,578 external-priority patent/US6174411B1/en
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of SE9903470D0 publication Critical patent/SE9903470D0/sv
Publication of SE9903470L publication Critical patent/SE9903470L/sv
Publication of SE522877C2 publication Critical patent/SE522877C2/sv

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
    • 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)
SE9903470A 1998-11-17 1999-09-24 Förfarande för drift av en kontinuerlig cellulosamassakokare och en kokare SE522877C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/192,578 US6174411B1 (en) 1997-02-10 1998-11-17 Continuous digester with inverted top separator

Publications (3)

Publication Number Publication Date
SE9903470D0 SE9903470D0 (sv) 1999-09-24
SE9903470L true SE9903470L (sv) 2000-05-18
SE522877C2 SE522877C2 (sv) 2004-03-16

Family

ID=22710253

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903470A SE522877C2 (sv) 1998-11-17 1999-09-24 Förfarande för drift av en kontinuerlig cellulosamassakokare och en kokare

Country Status (4)

Country Link
JP (2) JP3461311B2 (sv)
CA (1) CA2285714C (sv)
FI (1) FI122630B (sv)
SE (1) SE522877C2 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7309401B2 (en) * 2003-05-12 2007-12-18 Andritz Inc. Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester
KR100692394B1 (ko) 2005-08-10 2007-03-09 주식회사 새 한 보론 제거 기능이 있는 역삼투 분리막의 제조방법
SE529573C2 (sv) * 2006-12-13 2007-09-18 Metso Fiber Karlstad Ab Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
US20090188641A1 (en) * 2008-01-30 2009-07-30 Andritz Inc. Method and system for measuring and controlling digester or impregnation vessel chip level by measuring chip pressure
SE543151C2 (sv) * 2018-07-02 2020-10-13 Valmet Oy Feeding system and method for feeding comminuted cellulosic material to a high-pressure treatment zone

Also Published As

Publication number Publication date
SE9903470D0 (sv) 1999-09-24
FI122630B (sv) 2012-04-30
CA2285714C (en) 2004-09-21
JP3461311B2 (ja) 2003-10-27
CA2285714A1 (en) 2000-05-17
SE522877C2 (sv) 2004-03-16
JP2000154486A (ja) 2000-06-06
JP2003328286A (ja) 2003-11-19
FI19992099A (sv) 2000-05-17
JP3898160B2 (ja) 2007-03-28

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Legal Events

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NUG Patent has lapsed