FI952389A - Förfarande för kontinuerlig kokning av massa - Google Patents

Förfarande för kontinuerlig kokning av massa Download PDF

Info

Publication number
FI952389A
FI952389A FI952389A FI952389A FI952389A FI 952389 A FI952389 A FI 952389A FI 952389 A FI952389 A FI 952389A FI 952389 A FI952389 A FI 952389A FI 952389 A FI952389 A FI 952389A
Authority
FI
Finland
Prior art keywords
screen
wall
pulp
welding
procedure
Prior art date
Application number
FI952389A
Other languages
English (en)
Finnish (fi)
Other versions
FI952389A0 (sv
FI114718B (sv
Inventor
Aake Backlund
Johanna Svanberg
Original Assignee
Kvaerner Pulping Tech
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=20387855&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI952389(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Publication of FI952389A publication Critical patent/FI952389A/sv
Publication of FI952389A0 publication Critical patent/FI952389A0/sv
Application granted granted Critical
Publication of FI114718B publication Critical patent/FI114718B/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
    • 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
    • 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

Landscapes

  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Multicomponent Fibers (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cookers (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
FI952389A 1992-11-18 1995-05-17 Förfarande för kontinuerlig kokning av massa FI114718B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9203462A SE500455C2 (sv) 1992-11-18 1992-11-18 Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
SE9203462 1992-11-18
SE9300816 1993-10-08
PCT/SE1993/000816 WO1994011566A1 (en) 1992-11-18 1993-10-08 Process for continuous cooking of pulp

Publications (3)

Publication Number Publication Date
FI952389A true FI952389A (sv) 1995-05-17
FI952389A0 FI952389A0 (sv) 1995-05-17
FI114718B FI114718B (sv) 2004-12-15

Family

ID=20387855

Family Applications (3)

Application Number Title Priority Date Filing Date
FI952389A FI114718B (sv) 1992-11-18 1995-05-17 Förfarande för kontinuerlig kokning av massa
FI952388A FI115142B (sv) 1992-11-18 1995-05-17 Kokare för kontinuerlig kokning av fibermaterial
FI952387A FI113186B (sv) 1992-11-18 1995-05-17 Kokare för kontinuerlig kokning av fibermaterial

Family Applications After (2)

Application Number Title Priority Date Filing Date
FI952388A FI115142B (sv) 1992-11-18 1995-05-17 Kokare för kontinuerlig kokning av fibermaterial
FI952387A FI113186B (sv) 1992-11-18 1995-05-17 Kokare för kontinuerlig kokning av fibermaterial

Country Status (18)

Country Link
US (4) US5470437A (sv)
EP (3) EP0669998B2 (sv)
JP (3) JP3287848B2 (sv)
CN (1) CN1036728C (sv)
AT (3) ATE156538T1 (sv)
AU (3) AU684759B2 (sv)
BR (3) BR9307478A (sv)
CA (3) CA2149535C (sv)
DE (4) DE69312955T3 (sv)
ES (3) ES2105269T5 (sv)
FI (3) FI114718B (sv)
MA (1) MA23034A1 (sv)
NO (3) NO306478B1 (sv)
NZ (3) NZ252758A (sv)
RU (3) RU2121537C1 (sv)
SE (3) SE500455C2 (sv)
WO (3) WO1994011564A1 (sv)
ZA (3) ZA937958B (sv)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07501244A (ja) * 1991-11-19 1995-02-09 ザ、プロクター、エンド、ギャンブル、カンパニー 不織有孔フィルムカバーシートを有する吸収性製品
SE500959C2 (sv) * 1993-02-16 1994-10-10 Kvaerner Pulping Tech Silanordning i en kontinuerlig kokare
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
SE502486C2 (sv) * 1994-02-18 1995-10-30 Kvaerner Pulping Tech Förfarande och anordning av ventil för avdragning och backspolning av exv. kokarvätska vid cellulosakokare samt användning därav vid kokarsilar
AU6405696A (en) * 1995-06-29 1997-01-30 Reijo K. Salminen Continuous digester
US5658428A (en) * 1995-10-19 1997-08-19 Kvaerner Pulping Technologies Ab Method for impregnation in a single-vessel hydraulic digester
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
US20020069986A1 (en) * 2000-06-16 2002-06-13 Marcoccia Bruno S. System and method for improved filtrate addition in a continuous digester
SE0004049L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
CN1308545C (zh) * 2003-08-26 2007-04-04 山东泉林纸业有限责任公司 一种纸浆立式蒸煮锅
FI117477B (sv) * 2004-05-28 2006-10-31 Metso Paper Inc Silanordning
US20050274468A1 (en) * 2004-05-28 2005-12-15 Metso Paper, Inc. Central screen
US7736467B2 (en) * 2004-06-29 2010-06-15 Metso Paper Pori Oy Screen assembly for a pulp digester
SE531067C2 (sv) * 2005-09-15 2008-12-09 Metso Fiber Karlstad Ab Kontinuerlig kokare med vätskecirkulation
US7799173B2 (en) * 2007-01-18 2010-09-21 Andritz Inc. Screen plates having diagonal slots with curved inlets for a digester
SE530744C2 (sv) * 2007-02-23 2008-09-02 Metso Fiber Karlstad Ab Ångfaskokare samt ett förfarande vid kontinuerlig kokning
SE531717C2 (sv) * 2007-11-30 2009-07-21 Metso Fiber Karlstad Ab Kokarsil för en kontinuerlig cellulosamassakokare
SE532930C2 (sv) * 2008-03-20 2010-05-11 Metso Fiber Karlstad Ab Matningssystem innefattande parallella pumpar för en kontinuerlig kokare
US7867363B2 (en) * 2008-08-27 2011-01-11 Metso Fiber Karlstad Ab Continuous digester system
SE533670C2 (sv) * 2009-04-01 2010-11-30 Metso Fiber Karlstad Ab System och metod för reglering av en kontinuerlig ångfaskokare
US8951388B2 (en) * 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
WO2013105888A1 (en) 2012-01-12 2013-07-18 Metso Paper Sweden Ab Profile bar screen for digester vessels
CN102619122A (zh) * 2012-04-25 2012-08-01 湖南骏泰浆纸有限责任公司 立式连续蒸煮器上循环装置
WO2014004844A1 (en) * 2012-06-28 2014-01-03 Shell Oil Company Digestion units configured for high yield biomass processing
US9115214B2 (en) 2012-09-24 2015-08-25 Abengoa Bioenergy New Technologies, Llc Methods for controlling pretreatment of biomass
CN102978987A (zh) * 2012-12-24 2013-03-20 江苏华机环保设备有限责任公司 一种立式蒸煮锅
US20170022664A1 (en) * 2014-04-07 2017-01-26 Stora Enso Oyj Method of digesting cellulose fibrous material in a continuous digester
SE538326C2 (sv) * 2014-09-01 2016-05-17 Valmet Oy Profile bar screen for digester vessels
RU208723U1 (ru) * 2021-09-14 2022-01-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна" Вертикальный варочный котел

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE211196C1 (sv) *
US2414062A (en) * 1944-05-02 1947-01-07 Kamyr Ab Apparatus for heating and controlling the temperature in a continuously operating digester
US2852369A (en) * 1954-09-17 1958-09-16 Electric Steel Foundry Digester strainer
US2998064A (en) * 1957-12-11 1961-08-29 Improved Machinery Inc Strainer construction
SE325770B (sv) * 1969-10-13 1970-07-06 Kamyr Ab
SE343344B (sv) * 1970-06-29 1972-03-06 Kamyr Ab
US3755072A (en) † 1970-10-23 1973-08-28 Kamyr Ab Strainer device for cellulose digester
US3700548A (en) * 1971-04-28 1972-10-24 Improved Machinery Inc Apparatus and methods of continuous digesting
US3836463A (en) * 1972-07-28 1974-09-17 Gen Signal Corp System and apparatus for cleaning bar grid
US4193839A (en) * 1976-05-11 1980-03-18 Kamyr, Inc. Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
JPS609287A (ja) * 1983-06-29 1985-01-18 Fuji Photo Film Co Ltd 映像記録装置のカツト制御装置
US5328564A (en) * 1990-09-17 1994-07-12 Kamyr, Inc. Modified digestion of paper pulp followed by ozone bleaching
CA2037717C (en) * 1990-09-17 1996-03-05 Bertil Stromberg Extended kraft cooking with white liquor added to wash circulation
US5236554A (en) * 1991-08-16 1993-08-17 Kamyr, Inc. Digester having plural screens with means for controlling liquid injection and withdrawal

Also Published As

Publication number Publication date
ATE156538T1 (de) 1997-08-15
AU680194B2 (en) 1997-07-24
CA2149423A1 (en) 1994-05-26
FI115142B (sv) 2005-03-15
DE673453T1 (de) 1996-02-29
AU4096693A (en) 1994-06-08
CA2149434C (en) 2004-07-13
AU5435594A (en) 1994-06-08
AU673392B2 (en) 1996-11-07
EP0673453A1 (en) 1995-09-27
FI113186B (sv) 2004-03-15
ES2103082T3 (es) 1997-08-16
CA2149535C (en) 2004-07-06
EP0669998B1 (en) 1997-08-06
SE9203462L (sv) 1994-05-19
ATE164400T1 (de) 1998-04-15
JPH08504238A (ja) 1996-05-07
DE69317670T2 (de) 1998-08-20
EP0669998A1 (en) 1995-09-06
NO951973D0 (no) 1995-05-18
JP3287849B2 (ja) 2002-06-04
ES2105269T5 (es) 2002-03-01
FI952388A (sv) 1995-05-17
DE69310929D1 (de) 1997-06-26
NO951974L (no) 1995-05-18
US5827401A (en) 1998-10-27
US5591303A (en) 1997-01-07
RU2126470C1 (ru) 1999-02-20
FI952387A0 (sv) 1995-05-17
EP0673453B1 (en) 1998-03-25
FI952388A0 (sv) 1995-05-17
DE69317670D1 (de) 1998-04-30
NZ252340A (en) 1996-11-26
NZ257659A (en) 1996-07-26
RU2113574C1 (ru) 1998-06-20
CA2149535A1 (en) 1994-05-26
CA2149423C (en) 2004-03-16
AU684759B2 (en) 1998-01-08
MA23034A1 (fr) 1993-11-17
NO951974D0 (no) 1995-05-18
EP0673452A1 (en) 1995-09-27
JPH08503268A (ja) 1996-04-09
SE513746C2 (sv) 2000-10-30
ZA937958B (en) 1994-05-27
SE500455C2 (sv) 1994-06-27
DE69312955T2 (de) 1997-12-11
SE9402411D0 (sv) 1994-07-08
NO306479B1 (no) 1999-11-08
CN1036728C (zh) 1997-12-17
RU95112468A (ru) 1997-04-10
JPH08503030A (ja) 1996-04-02
NO306478B1 (no) 1999-11-08
DE69310929T2 (de) 1997-11-20
NO951973L (no) 1995-05-18
SE9402412D0 (sv) 1994-07-08
CA2149434A1 (en) 1994-05-26
JP3287848B2 (ja) 2002-06-04
CN1091792A (zh) 1994-09-07
SE9402412L (sv) 1994-07-08
BR9307479A (pt) 1999-08-24
WO1994011566A1 (en) 1994-05-26
AU6396594A (en) 1994-06-08
ZA938390B (en) 1994-06-09
WO1994011564A1 (en) 1994-05-26
RU2121537C1 (ru) 1998-11-10
JP3223285B2 (ja) 2001-10-29
BR9307478A (pt) 1999-08-24
DE69312955D1 (de) 1997-09-11
ES2105269T3 (es) 1997-10-16
NZ252758A (en) 1996-06-25
EP0673452B1 (en) 1997-05-21
NO306477B1 (no) 1999-11-08
EP0669998B2 (en) 2001-08-22
WO1994011565A1 (en) 1994-05-26
BR9307480A (pt) 1999-08-24
DE69312955T3 (de) 2002-04-11
RU95112496A (ru) 1997-01-27
FI952387A (sv) 1995-05-17
ES2077548T3 (es) 1998-06-16
FI952389A0 (sv) 1995-05-17
SE9203462D0 (sv) 1992-11-18
US5470437A (en) 1995-11-28
ZA937959B (en) 1994-05-27
NO951972D0 (no) 1995-05-18
ES2077548T1 (es) 1995-12-01
RU95112494A (ru) 1997-01-27
FI114718B (sv) 2004-12-15
US5567280A (en) 1996-10-22
NO951972L (no) 1995-05-18
ATE153398T1 (de) 1997-06-15
SE9402411L (sv) 1994-07-08

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