ZA937958B - Digester for continuous cooking of pulp - Google Patents

Digester for continuous cooking of pulp

Info

Publication number
ZA937958B
ZA937958B ZA937958A ZA937958A ZA937958B ZA 937958 B ZA937958 B ZA 937958B ZA 937958 A ZA937958 A ZA 937958A ZA 937958 A ZA937958 A ZA 937958A ZA 937958 B ZA937958 B ZA 937958B
Authority
ZA
South Africa
Prior art keywords
digester
screen
wall
pulp
welding
Prior art date
Application number
ZA937958A
Other languages
English (en)
Inventor
Ake Backlund
Finn Oulie
Johanna Svanberg
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
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=ZA937958(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kamyr Ab filed Critical Kamyr Ab
Publication of ZA937958B publication Critical patent/ZA937958B/xx

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)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cookers (AREA)
  • General Preparation And Processing Of Foods (AREA)
ZA937958A 1992-11-18 1993-10-26 Digester for continuous cooking of pulp ZA937958B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA937958B true ZA937958B (en) 1994-05-27

Family

ID=20387855

Family Applications (3)

Application Number Title Priority Date Filing Date
ZA937958A ZA937958B (en) 1992-11-18 1993-10-26 Digester for continuous cooking of pulp
ZA937959A ZA937959B (en) 1992-11-18 1993-10-26 Digester for continuous cooking of pulp
ZA938390A ZA938390B (en) 1992-11-18 1993-11-10 Process for continuous cooking of pulp

Family Applications After (2)

Application Number Title Priority Date Filing Date
ZA937959A ZA937959B (en) 1992-11-18 1993-10-26 Digester for continuous cooking of pulp
ZA938390A ZA938390B (en) 1992-11-18 1993-11-10 Process for continuous cooking of pulp

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) NO306479B1 (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
AU671262B2 (en) * 1991-11-19 1996-08-22 Procter & Gamble Company, The Absorbent article having a nonwoven and apertured film coversheet
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
US5680995A (en) * 1995-06-29 1997-10-28 Salminen; Reijo K. 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
SE0004050L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
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
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
EP2867407A1 (en) * 2012-06-28 2015-05-06 Shell Internationale Research Maatschappij B.V. 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
BR112016023526A2 (pt) * 2014-04-07 2017-08-15 Stora Enso Oyj método de digestão de material fibroso de celulose em um digestor de processamento contínuo
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
SE9402412D0 (sv) 1994-07-08
NO951973D0 (no) 1995-05-18
FI952389A0 (sv) 1995-05-17
ES2077548T1 (es) 1995-12-01
FI952387A0 (sv) 1995-05-17
NZ257659A (en) 1996-07-26
NO951972L (no) 1995-05-18
JP3287848B2 (ja) 2002-06-04
DE69312955D1 (de) 1997-09-11
BR9307478A (pt) 1999-08-24
ES2103082T3 (es) 1997-08-16
ZA937959B (en) 1994-05-27
RU2121537C1 (ru) 1998-11-10
EP0669998B1 (en) 1997-08-06
EP0669998A1 (en) 1995-09-06
SE9402412L (sv) 1994-07-08
JPH08503030A (ja) 1996-04-02
AU673392B2 (en) 1996-11-07
NO306477B1 (no) 1999-11-08
ES2105269T5 (es) 2002-03-01
BR9307479A (pt) 1999-08-24
CA2149535C (en) 2004-07-06
DE69310929D1 (de) 1997-06-26
SE500455C2 (sv) 1994-06-27
MA23034A1 (fr) 1993-11-17
NO951974D0 (no) 1995-05-18
EP0673453A1 (en) 1995-09-27
US5470437A (en) 1995-11-28
AU4096693A (en) 1994-06-08
EP0673453B1 (en) 1998-03-25
EP0673452A1 (en) 1995-09-27
CN1036728C (zh) 1997-12-17
SE9203462D0 (sv) 1992-11-18
FI115142B (sv) 2005-03-15
NZ252340A (en) 1996-11-26
SE9402411L (sv) 1994-07-08
DE69317670D1 (de) 1998-04-30
SE9402411D0 (sv) 1994-07-08
JPH08503268A (ja) 1996-04-09
CA2149434A1 (en) 1994-05-26
JP3287849B2 (ja) 2002-06-04
BR9307480A (pt) 1999-08-24
CA2149423C (en) 2004-03-16
US5591303A (en) 1997-01-07
RU2126470C1 (ru) 1999-02-20
ATE164400T1 (de) 1998-04-15
DE69312955T2 (de) 1997-12-11
ES2077548T3 (es) 1998-06-16
NO306478B1 (no) 1999-11-08
FI113186B (sv) 2004-03-15
ES2105269T3 (es) 1997-10-16
DE69310929T2 (de) 1997-11-20
RU95112468A (ru) 1997-04-10
EP0673452B1 (en) 1997-05-21
NO951972D0 (no) 1995-05-18
SE513746C2 (sv) 2000-10-30
FI952387A (sv) 1995-05-17
US5827401A (en) 1998-10-27
NO951973L (no) 1995-05-18
FI952389A (sv) 1995-05-17
NO306479B1 (no) 1999-11-08
CN1091792A (zh) 1994-09-07
ATE156538T1 (de) 1997-08-15
AU5435594A (en) 1994-06-08
JP3223285B2 (ja) 2001-10-29
FI114718B (sv) 2004-12-15
NO951974L (no) 1995-05-18
AU6396594A (en) 1994-06-08
DE673453T1 (de) 1996-02-29
RU95112496A (ru) 1997-01-27
ZA938390B (en) 1994-06-09
SE9203462L (sv) 1994-05-19
WO1994011564A1 (en) 1994-05-26
DE69317670T2 (de) 1998-08-20
DE69312955T3 (de) 2002-04-11
CA2149423A1 (en) 1994-05-26
RU2113574C1 (ru) 1998-06-20
FI952388A0 (sv) 1995-05-17
NZ252758A (en) 1996-06-25
WO1994011566A1 (en) 1994-05-26
WO1994011565A1 (en) 1994-05-26
CA2149535A1 (en) 1994-05-26
CA2149434C (en) 2004-07-13
FI952388A (sv) 1995-05-17
RU95112494A (ru) 1997-01-27
US5567280A (en) 1996-10-22
AU684759B2 (en) 1998-01-08
AU680194B2 (en) 1997-07-24
JPH08504238A (ja) 1996-05-07
EP0669998B2 (en) 2001-08-22
ATE153398T1 (de) 1997-06-15

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