ZA937958B - Digester for continuous cooking of pulp - Google Patents
Digester for continuous cooking of pulpInfo
- 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
Links
- 238000010411 cooking Methods 0.000 title abstract 2
- 238000003466 welding Methods 0.000 abstract 2
- 239000002657 fibrous material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
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)
- Cookers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- General Preparation And Processing Of Foods (AREA)
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 |
---|---|---|---|
ZA937959A ZA937959B (en) | 1992-11-18 | 1993-10-26 | Digester for continuous cooking of pulp |
ZA937958A ZA937958B (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 Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA937959A ZA937959B (en) | 1992-11-18 | 1993-10-26 | Digester for continuous cooking of pulp |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA938390A ZA938390B (en) | 1992-11-18 | 1993-11-10 | Process for continuous cooking of pulp |
Country Status (18)
Country | Link |
---|---|
US (4) | US5470437A (zh) |
EP (3) | EP0669998B2 (zh) |
JP (3) | JP3287848B2 (zh) |
CN (1) | CN1036728C (zh) |
AT (3) | ATE156538T1 (zh) |
AU (3) | AU684759B2 (zh) |
BR (3) | BR9307478A (zh) |
CA (3) | CA2149535C (zh) |
DE (4) | DE69312955T3 (zh) |
ES (3) | ES2105269T5 (zh) |
FI (3) | FI114718B (zh) |
MA (1) | MA23034A1 (zh) |
NO (3) | NO306477B1 (zh) |
NZ (3) | NZ252758A (zh) |
RU (3) | RU2121537C1 (zh) |
SE (3) | SE500455C2 (zh) |
WO (3) | WO1994011564A1 (zh) |
ZA (3) | ZA937959B (zh) |
Families Citing this family (33)
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 |
WO1997001666A1 (en) * | 1995-06-29 | 1997-01-16 | 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 |
SE515971C2 (sv) * | 2000-11-03 | 2001-11-05 | Kvaerner Pulping Tech | Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti |
SE515970C2 (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 (fi) * | 2004-05-28 | 2006-10-31 | Metso Paper Inc | Sihtielin |
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 |
CN104053834B (zh) | 2012-01-12 | 2016-04-06 | 维美德公司 | 用于蒸煮器容器的异型棒条筛 |
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 |
IN2014DN10543A (zh) * | 2012-06-28 | 2015-08-21 | Shell Int Research | |
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 (en) * | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE211196C1 (zh) * | ||||
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 (zh) * | 1969-10-13 | 1970-07-06 | Kamyr Ab | |
SE343344B (zh) * | 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 |
-
1992
- 1992-11-18 SE SE9203462A patent/SE500455C2/sv not_active IP Right Cessation
-
1993
- 1993-03-16 WO PCT/SE1993/000223 patent/WO1994011564A1/en active IP Right Grant
- 1993-03-16 JP JP51196994A patent/JP3287848B2/ja not_active Expired - Fee Related
- 1993-03-16 AU AU63965/94A patent/AU684759B2/en not_active Ceased
- 1993-03-16 BR BR9307478A patent/BR9307478A/pt not_active IP Right Cessation
- 1993-03-16 NZ NZ252758A patent/NZ252758A/en unknown
- 1993-03-16 EP EP93912023A patent/EP0669998B2/en not_active Expired - Lifetime
- 1993-03-16 DE DE69312955T patent/DE69312955T3/de not_active Expired - Fee Related
- 1993-03-16 ES ES93912023T patent/ES2105269T5/es not_active Expired - Lifetime
- 1993-03-16 RU RU95112496A patent/RU2121537C1/ru active
- 1993-03-16 AT AT93912023T patent/ATE156538T1/de not_active IP Right Cessation
- 1993-03-16 CA CA002149535A patent/CA2149535C/en not_active Expired - Fee Related
- 1993-04-08 CA CA002149434A patent/CA2149434C/en not_active Expired - Fee Related
- 1993-04-08 JP JP51197094A patent/JP3287849B2/ja not_active Expired - Fee Related
- 1993-04-08 ES ES93910495T patent/ES2103082T3/es not_active Expired - Lifetime
- 1993-04-08 BR BR9307479A patent/BR9307479A/pt not_active IP Right Cessation
- 1993-04-08 AT AT93910495T patent/ATE153398T1/de not_active IP Right Cessation
- 1993-04-08 RU RU95112494A patent/RU2113574C1/ru active
- 1993-04-08 AU AU40966/93A patent/AU680194B2/en not_active Ceased
- 1993-04-08 NZ NZ252340A patent/NZ252340A/en not_active IP Right Cessation
- 1993-04-08 DE DE69310929T patent/DE69310929T2/de not_active Expired - Fee Related
- 1993-04-08 EP EP93910495A patent/EP0673452B1/en not_active Expired - Lifetime
- 1993-04-08 WO PCT/SE1993/000311 patent/WO1994011565A1/en active IP Right Grant
- 1993-07-16 US US08/092,420 patent/US5470437A/en not_active Expired - Lifetime
- 1993-10-08 WO PCT/SE1993/000816 patent/WO1994011566A1/en active IP Right Grant
- 1993-10-08 DE DE0673453T patent/DE673453T1/de active Pending
- 1993-10-08 EP EP93924847A patent/EP0673453B1/en not_active Expired - Lifetime
- 1993-10-08 BR BR9307480A patent/BR9307480A/pt not_active IP Right Cessation
- 1993-10-08 DE DE69317670T patent/DE69317670T2/de not_active Expired - Fee Related
- 1993-10-08 AU AU54355/94A patent/AU673392B2/en not_active Ceased
- 1993-10-08 CA CA002149423A patent/CA2149423C/en not_active Expired - Lifetime
- 1993-10-08 JP JP51197194A patent/JP3223285B2/ja not_active Expired - Lifetime
- 1993-10-08 NZ NZ257659A patent/NZ257659A/en not_active IP Right Cessation
- 1993-10-08 ES ES93924847T patent/ES2077548T3/es not_active Expired - Lifetime
- 1993-10-08 AT AT93924847T patent/ATE164400T1/de not_active IP Right Cessation
- 1993-10-08 RU RU95112468A patent/RU2126470C1/ru active
- 1993-10-26 ZA ZA937959A patent/ZA937959B/xx unknown
- 1993-10-26 ZA ZA937958A patent/ZA937958B/xx unknown
- 1993-11-10 ZA ZA938390A patent/ZA938390B/xx unknown
- 1993-11-17 CN CN93121428A patent/CN1036728C/zh not_active Expired - Fee Related
- 1993-11-17 MA MA23340A patent/MA23034A1/fr unknown
-
1994
- 1994-07-08 SE SE9402411A patent/SE513746C2/sv not_active IP Right Cessation
- 1994-07-08 SE SE9402412A patent/SE9402412L/xx not_active Application Discontinuation
-
1995
- 1995-03-22 US US08/408,706 patent/US5591303A/en not_active Expired - Lifetime
- 1995-03-31 US US08/415,203 patent/US5567280A/en not_active Expired - Lifetime
- 1995-05-17 FI FI952389A patent/FI114718B/fi not_active IP Right Cessation
- 1995-05-17 FI FI952388A patent/FI115142B/fi active IP Right Grant
- 1995-05-17 FI FI952387A patent/FI113186B/fi active
- 1995-05-18 NO NO951972A patent/NO306477B1/no not_active IP Right Cessation
- 1995-05-18 NO NO951974A patent/NO306479B1/no not_active IP Right Cessation
- 1995-05-18 NO NO951973A patent/NO306478B1/no not_active IP Right Cessation
-
1997
- 1997-01-16 US US08/784,808 patent/US5827401A/en not_active Expired - Fee Related
Also Published As
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