FI122630B - Jatkuvatoiminen keitinjärjestelmä ja menetelmä jatkuvatoimisen selluloosakeittimen käyttämiseksi - Google Patents

Jatkuvatoiminen keitinjärjestelmä ja menetelmä jatkuvatoimisen selluloosakeittimen käyttämiseksi Download PDF

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Publication number
FI122630B
FI122630B FI992099A FI19992099A FI122630B FI 122630 B FI122630 B FI 122630B FI 992099 A FI992099 A FI 992099A FI 19992099 A FI19992099 A FI 19992099A FI 122630 B FI122630 B FI 122630B
Authority
FI
Finland
Prior art keywords
digester
liquid
chips
liquor
top screw
Prior art date
Application number
FI992099A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI19992099A (fi
Inventor
Kaj Henricson
Richard Laakso
Bertil Stroemberg
Original Assignee
Andritz 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=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI122630(B) "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 Andritz Inc filed Critical Andritz Inc
Publication of FI19992099A publication Critical patent/FI19992099A/fi
Application granted granted Critical
Publication of FI122630B publication Critical patent/FI122630B/fi

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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)
FI992099A 1998-11-17 1999-09-30 Jatkuvatoiminen keitinjärjestelmä ja menetelmä jatkuvatoimisen selluloosakeittimen käyttämiseksi FI122630B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19257898 1998-11-17
US09/192,578 US6174411B1 (en) 1997-02-10 1998-11-17 Continuous digester with inverted top separator

Publications (2)

Publication Number Publication Date
FI19992099A FI19992099A (fi) 2000-05-17
FI122630B true FI122630B (fi) 2012-04-30

Family

ID=22710253

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992099A FI122630B (fi) 1998-11-17 1999-09-30 Jatkuvatoiminen keitinjärjestelmä ja menetelmä jatkuvatoimisen selluloosakeittimen käyttämiseksi

Country Status (4)

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

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
SE0602675L (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 (en) * 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
FI19992099A (fi) 2000-05-17
SE9903470L (sv) 2000-05-18
CA2285714C (en) 2004-09-21
JP2003328286A (ja) 2003-11-19
JP3898160B2 (ja) 2007-03-28
JP3461311B2 (ja) 2003-10-27
JP2000154486A (ja) 2000-06-06
SE9903470D0 (sv) 1999-09-24
SE522877C2 (sv) 2004-03-16
CA2285714A1 (en) 2000-05-17

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