SE518542C2 - Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare - Google Patents
Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokareInfo
- Publication number
- SE518542C2 SE518542C2 SE0100982A SE0100982A SE518542C2 SE 518542 C2 SE518542 C2 SE 518542C2 SE 0100982 A SE0100982 A SE 0100982A SE 0100982 A SE0100982 A SE 0100982A SE 518542 C2 SE518542 C2 SE 518542C2
- Authority
- SE
- Sweden
- Prior art keywords
- boiler
- liquid
- deduction
- cooking
- digester
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010411 cooking Methods 0.000 claims abstract description 140
- 239000003513 alkali Substances 0.000 claims abstract description 95
- 239000002023 wood Substances 0.000 claims abstract description 22
- 230000003247 decreasing effect Effects 0.000 claims abstract description 12
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 5
- 229920000862 Arboform Polymers 0.000 claims description 23
- 238000009835 boiling Methods 0.000 claims description 19
- 238000005470 impregnation Methods 0.000 claims description 18
- 230000004087 circulation Effects 0.000 claims description 17
- 229920001221 xylan Polymers 0.000 claims description 11
- 150000004823 xylans Chemical class 0.000 claims description 11
- 239000003085 diluting agent Substances 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 10
- 239000012071 phase Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000005077 polysulfide Substances 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 150000008117 polysulfides Polymers 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 101100258233 Caenorhabditis elegans sun-1 gene Proteins 0.000 description 1
- 244000166124 Eucalyptus globulus Species 0.000 description 1
- 235000004692 Eucalyptus globulus Nutrition 0.000 description 1
- 241000219289 Silene Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 210000003050 axon Anatomy 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004460 silage Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 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
- 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
Landscapes
- Paper (AREA)
- Cookers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0100982A SE518542C2 (sv) | 2001-03-21 | 2001-03-21 | Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare |
| JP2002574428A JP4317691B2 (ja) | 2001-03-21 | 2002-03-19 | 連続蒸解器を作動するプロセス及び蒸煮液用の再循環システム |
| US10/471,431 US7285179B2 (en) | 2001-03-21 | 2002-03-19 | Continuous digester for cellulose pulp including method and recirculation system for such digester |
| DE60235230T DE60235230D1 (de) | 2001-03-21 | 2002-03-19 | Durchlaufkocher für zellstoff mit entsprechendem verfahren und kreislauf |
| EP02708881A EP1383955B1 (de) | 2001-03-21 | 2002-03-19 | Durchlaufkocher für zellstoff mit entsprechendem verfahren und kreislauf |
| AT02708881T ATE456699T1 (de) | 2001-03-21 | 2002-03-19 | Durchlaufkocher für zellstoff mit entsprechendem verfahren und kreislauf |
| BR0208297-7A BR0208297A (pt) | 2001-03-21 | 2002-03-19 | Digestor contìnuo para polpa de celulose incluindo método e sistema de recirculação para tal digestor |
| PCT/SE2002/000516 WO2002075044A1 (en) | 2001-03-21 | 2002-03-19 | Continuous digester for cellulose pulp including method and recirculation system for such digester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0100982A SE518542C2 (sv) | 2001-03-21 | 2001-03-21 | Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0100982D0 SE0100982D0 (sv) | 2001-03-21 |
| SE0100982L SE0100982L (sv) | 2002-09-22 |
| SE518542C2 true SE518542C2 (sv) | 2002-10-22 |
Family
ID=20283453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0100982A SE518542C2 (sv) | 2001-03-21 | 2001-03-21 | Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7285179B2 (de) |
| EP (1) | EP1383955B1 (de) |
| JP (1) | JP4317691B2 (de) |
| AT (1) | ATE456699T1 (de) |
| BR (1) | BR0208297A (de) |
| DE (1) | DE60235230D1 (de) |
| SE (1) | SE518542C2 (de) |
| WO (1) | WO2002075044A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE520956C2 (sv) * | 2001-12-05 | 2003-09-16 | Kvaerner Pulping Tech | Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren |
| 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 |
| JP2007070773A (ja) * | 2005-09-09 | 2007-03-22 | Andritz Kk | 連続蒸解釜およびパルプの製造方法 |
| SE529206C2 (sv) * | 2005-11-29 | 2007-05-29 | Metso Fiber Karlstad Ab | Förfarande och anordning vid kontinuerlig kokning av kemisk cellulosamassa |
| SE530744C2 (sv) * | 2007-02-23 | 2008-09-02 | Metso Fiber Karlstad Ab | Ångfaskokare samt ett förfarande vid kontinuerlig kokning |
| US7828930B2 (en) * | 2007-11-20 | 2010-11-09 | International Paper Company | Use of polysulfide in modified cooking |
| FR2925533B1 (fr) | 2007-12-20 | 2010-01-08 | Inst Francais Du Petrole | Procede de conversion de solutions lignocellulosiques a haute teneur en matiere seche |
| US20110186251A1 (en) * | 2009-05-20 | 2011-08-04 | Reijo Salminen | Continuous tube reactor |
| AU2011349307B2 (en) | 2010-12-20 | 2015-07-16 | Shell Internationale Research Maatschappij B.V. | Cellulose hydrolysis in aqueous solvent followed by deoxyhydrogenation oxygenated products on platinum catalyst |
| WO2012088121A2 (en) | 2010-12-20 | 2012-06-28 | Shell Oil Company | Process to produce biofuels from biomass |
| CN103620002B (zh) | 2011-06-14 | 2015-11-25 | 国际壳牌研究有限公司 | 生物质的水热加氢催化处理 |
| US20130109603A1 (en) | 2011-10-31 | 2013-05-02 | Shell Oil Company | Fuel and engine oil composition and its use |
| US9624436B2 (en) | 2012-05-17 | 2017-04-18 | Shell Oil Company | Methods and systems for processing biomass material |
| EP2935521A2 (de) | 2012-12-19 | 2015-10-28 | Shell Internationale Research Maatschappij B.V. | Hydrothermale hydrokatalytische behandlung von biomasse mit wasserverträglichen katalysatoren |
| EP2935519A2 (de) | 2012-12-19 | 2015-10-28 | Shell Internationale Research Maatschappij B.V. | Wiederverwendbarer puffer zur hydrothermalen hydrokatalytischen behandlung einer biomasse |
| US9102584B2 (en) | 2012-12-19 | 2015-08-11 | Shell Oil Company | Hydrothermal hydrocatalytic treatment of biomass using water tolerant catalysts |
| US9644317B2 (en) * | 2014-11-26 | 2017-05-09 | International Paper Company | Continuous digester and feeding system |
| CN114481656B (zh) | 2015-06-11 | 2024-03-22 | 思科有限责任公司 | 用于从植物基和再生材料生产纸浆、能源和生物衍生物的方法和系统 |
| AU2017240576A1 (en) * | 2016-03-31 | 2018-09-27 | Kemira Oyj | Methods of preparing hemicellulose compositions |
| CN111868316B (zh) | 2018-01-12 | 2023-09-05 | 希尔科公司 | 从废弃纺织品中回收棉纤维和聚酯纤维的方法 |
| EP4402202A4 (de) | 2021-09-16 | 2025-07-09 | Circ Llc | Verfahren zur herstellung eines polyesters aus einer regenerierten disäure, die durch depolymerisation eines abfallmaterials gebildet wird |
| CN114277590B (zh) * | 2021-12-31 | 2023-05-26 | 郑州运达造纸设备有限公司 | 一种汽蒸仓防架桥槽体 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193839A (en) | 1976-05-11 | 1980-03-18 | Kamyr, Inc. | Flow control method and apparatus for continuous wood chip digester screenless liquor extractor |
| SE468053B (sv) | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
| US5256255A (en) * | 1989-09-28 | 1993-10-26 | Beloit Technologies, Inc. | Displacement heating in continuous digesters |
| CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
| SE9403978L (sv) * | 1994-11-15 | 1995-11-06 | Kvaerner Pulping Tech | Svartlutsimpregnering i enkärlshydraulkokare |
-
2001
- 2001-03-21 SE SE0100982A patent/SE518542C2/sv not_active IP Right Cessation
-
2002
- 2002-03-19 AT AT02708881T patent/ATE456699T1/de active
- 2002-03-19 US US10/471,431 patent/US7285179B2/en not_active Expired - Fee Related
- 2002-03-19 BR BR0208297-7A patent/BR0208297A/pt not_active IP Right Cessation
- 2002-03-19 JP JP2002574428A patent/JP4317691B2/ja not_active Expired - Fee Related
- 2002-03-19 EP EP02708881A patent/EP1383955B1/de not_active Revoked
- 2002-03-19 WO PCT/SE2002/000516 patent/WO2002075044A1/en not_active Ceased
- 2002-03-19 DE DE60235230T patent/DE60235230D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR0208297A (pt) | 2004-04-13 |
| US20040112554A1 (en) | 2004-06-17 |
| EP1383955B1 (de) | 2010-01-27 |
| ATE456699T1 (de) | 2010-02-15 |
| EP1383955A1 (de) | 2004-01-28 |
| JP4317691B2 (ja) | 2009-08-19 |
| WO2002075044A1 (en) | 2002-09-26 |
| SE0100982L (sv) | 2002-09-22 |
| SE0100982D0 (sv) | 2001-03-21 |
| JP2004522873A (ja) | 2004-07-29 |
| DE60235230D1 (de) | 2010-03-18 |
| US7285179B2 (en) | 2007-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |