FI982467A - Menetelmä ja laitteisto kemiallisen massan valmistamiseksi tai käsittelemiseksi - Google Patents

Menetelmä ja laitteisto kemiallisen massan valmistamiseksi tai käsittelemiseksi Download PDF

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Publication number
FI982467A
FI982467A FI982467A FI982467A FI982467A FI 982467 A FI982467 A FI 982467A FI 982467 A FI982467 A FI 982467A FI 982467 A FI982467 A FI 982467A FI 982467 A FI982467 A FI 982467A
Authority
FI
Finland
Prior art keywords
making
chemical pulp
treating chemical
treating
pulp
Prior art date
Application number
FI982467A
Other languages
English (en)
Swedish (sv)
Other versions
FI982467A0 (fi
Inventor
Grant E Bechard
John Hefele
Larry W Laakso
Mark D Barret
R Fred Chasse
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
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of FI982467A0 publication Critical patent/FI982467A0/fi
Publication of FI982467A publication Critical patent/FI982467A/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
    • D21C7/14—Means for circulating the lye
    • 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
FI982467A 1997-12-09 1998-11-16 Menetelmä ja laitteisto kemiallisen massan valmistamiseksi tai käsittelemiseksi FI982467A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/987,772 US6123808A (en) 1997-12-09 1997-12-09 Distribution of dilution liquor to the discharge of a cellulose pulp digester

Publications (2)

Publication Number Publication Date
FI982467A0 FI982467A0 (fi) 1998-11-16
FI982467A true FI982467A (fi) 1999-06-10

Family

ID=25533540

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982467A FI982467A (fi) 1997-12-09 1998-11-16 Menetelmä ja laitteisto kemiallisen massan valmistamiseksi tai käsittelemiseksi

Country Status (5)

Country Link
US (1) US6123808A (fi)
JP (1) JPH11217785A (fi)
CA (1) CA2251483A1 (fi)
FI (1) FI982467A (fi)
SE (1) SE520796C2 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119107B (fi) * 2001-11-06 2008-07-31 Metso Paper Inc Järjestely sihdin asentamiseksi
US20030131956A1 (en) * 2002-01-16 2003-07-17 Stromberg C. Bertil Continuous pulping processes and systems
US20050274468A1 (en) * 2004-05-28 2005-12-15 Metso Paper, Inc. Central screen
FI117477B (fi) * 2004-05-28 2006-10-31 Metso Paper Inc Sihtielin
US20080271860A1 (en) * 2005-01-19 2008-11-06 Craig Alan Bianchini Method and apparatus to distribute the inflow of liquors in batch digester
US20060157209A1 (en) * 2005-01-19 2006-07-20 Bianchini Craig A Method and apparatus to distribute the inflow of liquors in a Batch Digester
SE531067C2 (sv) * 2005-09-15 2008-12-09 Metso Fiber Karlstad Ab Kontinuerlig kokare med vätskecirkulation
WO2012005643A1 (en) * 2010-07-09 2012-01-12 Metso Paper Sweden Ab Method and system for impregnating chips
WO2015155642A1 (en) * 2014-04-07 2015-10-15 Stora Enso Oyj A method of digesting cellulose fibrous material in a continuous digester
RU2690562C2 (ru) 2015-03-11 2019-06-04 Андритц Инк. Способы и системы для варки целлюлозы из лигноцеллюлозных материалов
SE541978C2 (en) * 2018-03-13 2020-01-14 Valmet Oy Arrangement for withdrawing treatment liquors in a continuous treatment vessel system, and a corresponding control system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035963A (en) * 1958-02-19 1962-05-22 Lummus Co Process for the continuous digestion of cellulosic materials
NO115278B (fi) * 1962-03-03 1968-09-09 Kamyr Ab
SE300755B (fi) * 1964-04-16 1968-05-06 Kamyr Ab
SE330819B (fi) * 1966-09-12 1970-11-30 Kamyr Ab
SE357219B (fi) * 1970-02-11 1973-06-18 Kamyr Ab
SE359331B (fi) * 1970-03-17 1973-08-27 Kamyr Ab
SE343344B (fi) * 1970-06-29 1972-03-06 Kamyr Ab
SE389520B (sv) * 1973-09-03 1976-11-08 Kamyr Ab Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial
US4547264A (en) * 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
US5069752A (en) * 1990-04-30 1991-12-03 Kamyr Ab Digester screen switching
US5236554A (en) * 1991-08-16 1993-08-17 Kamyr, Inc. Digester having plural screens with means for controlling liquid injection and withdrawal
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare

Also Published As

Publication number Publication date
SE9803982D0 (sv) 1998-11-20
SE9803982L (sv) 1999-06-10
JPH11217785A (ja) 1999-08-10
US6123808A (en) 2000-09-26
FI982467A0 (fi) 1998-11-16
SE520796C2 (sv) 2003-08-26
CA2251483A1 (en) 1999-06-09

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