SE524260C2 - Förfarande och apparat för massaframställning från sågspån - Google Patents
Förfarande och apparat för massaframställning från sågspånInfo
- Publication number
- SE524260C2 SE524260C2 SE9602017A SE9602017A SE524260C2 SE 524260 C2 SE524260 C2 SE 524260C2 SE 9602017 A SE9602017 A SE 9602017A SE 9602017 A SE9602017 A SE 9602017A SE 524260 C2 SE524260 C2 SE 524260C2
- Authority
- SE
- Sweden
- Prior art keywords
- slurry
- vessel
- sawdust
- consistency
- liquid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 230000008569 process Effects 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000002002 slurry Substances 0.000 claims abstract description 81
- 238000010411 cooking Methods 0.000 claims abstract description 31
- 239000001913 cellulose Substances 0.000 claims abstract description 13
- 229920002678 cellulose Polymers 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000007865 diluting Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims description 55
- 238000009835 boiling Methods 0.000 claims description 44
- 239000003085 diluting agent Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000002562 thickening agent Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 238000004061 bleaching Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000010025 steaming Methods 0.000 abstract description 3
- 230000008719 thickening Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 5
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 22
- 239000000835 fiber Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000004087 circulation Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 208000006673 asthma Diseases 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000013055 pulp slurry Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 102100030386 Granzyme A Human genes 0.000 description 1
- 101001009599 Homo sapiens Granzyme A Proteins 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 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 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002025 wood fiber Substances 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
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- 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
- D21C3/26—Multistage processes
- D21C3/266—Multistage processes the same pulping agent being used in all stages
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/520,941 US6325888B1 (en) | 1995-08-31 | 1995-08-31 | Method for pulping sawdust |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9602017D0 SE9602017D0 (sv) | 1996-05-28 |
| SE9602017L SE9602017L (sv) | 1997-03-01 |
| SE524260C2 true SE524260C2 (sv) | 2004-07-20 |
Family
ID=24074673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9602017A SE524260C2 (sv) | 1995-08-31 | 1996-05-28 | Förfarande och apparat för massaframställning från sågspån |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6325888B1 (fr) |
| CA (1) | CA2174875C (fr) |
| FI (1) | FI119553B (fr) |
| SE (1) | SE524260C2 (fr) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE517674E8 (sv) * | 2001-05-02 | 2015-10-20 | Metso Paper Sweden Ab | Förfarande för tvättvätsketillförsel till kokningsprocess för cellulosamassa |
| CA2383279A1 (fr) * | 2002-05-06 | 2003-11-06 | Sylvain Cloutier | Reacteur |
| SE0201512L (sv) * | 2002-05-21 | 2003-03-11 | Kvaerner Pulping Tech | Metod för kontinuerlig kokning av vedrådvara till cellulosamassa |
| AU2003281334A1 (en) * | 2002-07-02 | 2004-01-23 | Andritz, Inc. | Solvent pulping of biomass |
| 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 |
| US7771565B2 (en) * | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
| US8734610B2 (en) * | 2007-05-23 | 2014-05-27 | Andritz Inc. | Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method |
| JP5215706B2 (ja) * | 2007-08-01 | 2013-06-19 | 三井造船株式会社 | 固気2相物質の押し込み装置 |
| MX2011009269A (es) * | 2009-03-03 | 2011-09-26 | Poet Res Inc | Fermentacion de biomasa para la produccion de etanol. |
| US8956505B2 (en) * | 2009-06-11 | 2015-02-17 | Andritz Technology And Asset Management Gmbh | Compact feed system and method for comminuted cellulosic material |
| US8628623B2 (en) * | 2009-12-21 | 2014-01-14 | Andritz Technology And Asset Management Gmbh | Method and process for dry discharge in a pressurized pretreatment reactor |
| CA2795503C (fr) | 2010-03-19 | 2020-02-18 | Poet Research, Inc. | Systeme de traitement de la biomasse pour faciliter la production d'ethanol |
| EP3594354A1 (fr) | 2010-03-19 | 2020-01-15 | Poet Research Incorporated | Méthode de production d'un produit de fermentation à partir de biomasse |
| MX2013008370A (es) | 2011-01-18 | 2014-01-20 | Poet Res Inc | Sistemas y metodos para la hidrolisis de biomasa. |
| EP2729585A4 (fr) | 2011-07-07 | 2015-03-18 | Poet Res Inc | Systèmes et procédés pour un recyclage d'acide |
| WO2017112834A1 (fr) * | 2015-12-21 | 2017-06-29 | Andritz Inc. | Procédé et appareil de pompage de charge de sciure dans un système de réduction en pâte de sciure |
| CN107130456B (zh) * | 2016-02-29 | 2021-05-07 | 山东泉林纸业有限责任公司 | 一种禾草类原料的连续蒸煮方法及装置 |
| FI127474B (fi) * | 2017-01-20 | 2018-06-29 | Valmet Technologies Oy | Menetelmä ja järjestelmä lämmön talteenottamiseksi soodakattilan liuotussäiliön toimintaan liittyen |
| EP3631081A4 (fr) | 2017-05-24 | 2021-01-13 | Valmet AB | Système et goulotte à copeaux pour la distribution de matière cellulosique broyée |
| CN110699996B (zh) * | 2018-07-09 | 2021-08-06 | 吉林中粮生化有限公司 | 用于带压容器的排料装置以及蒸汽蒸煮系统 |
| CN113308923B (zh) * | 2021-05-28 | 2022-06-10 | 北京三联虹普新合纤技术服务股份有限公司 | 一种用于制备Lyocell纤维的浆粕均化与调质系统 |
| AT527339A1 (de) | 2023-07-11 | 2025-01-15 | Mondi Ag | Verfahren zur Herstellung von Papier aus Abfallholz sowie daraus hergestelltes Papier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3475271A (en) | 1966-02-07 | 1969-10-28 | Kamyr Ab | Cellulose digester with washing apparatus |
| US3294623A (en) * | 1966-02-23 | 1966-12-27 | Int Paper Co | Continuous digestion and purification with recirculation of liquor |
| EP0157279B1 (fr) | 1984-04-02 | 1988-08-10 | Kamyr, Inc. | Pompage et traitement de sciure de bois |
| US5266159A (en) | 1991-10-25 | 1993-11-30 | Kamyr, Inc. | Mass flow measurement, preferably for controlling chip feed to a digester |
| US5444884A (en) | 1994-07-15 | 1995-08-29 | Kamyr, Inc. | Controlling screen backflush and wash distribution in a pressure diffuser |
-
1995
- 1995-08-31 US US08/520,941 patent/US6325888B1/en not_active Expired - Fee Related
-
1996
- 1996-04-24 CA CA002174875A patent/CA2174875C/fr not_active Expired - Fee Related
- 1996-05-28 SE SE9602017A patent/SE524260C2/sv not_active IP Right Cessation
- 1996-08-29 FI FI963361A patent/FI119553B/fi active
-
2001
- 2001-10-19 US US09/981,837 patent/US6379504B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SE9602017L (sv) | 1997-03-01 |
| FI963361L (fi) | 1997-03-01 |
| CA2174875A1 (fr) | 1997-03-01 |
| US6379504B1 (en) | 2002-04-30 |
| SE9602017D0 (sv) | 1996-05-28 |
| FI963361A0 (fi) | 1996-08-29 |
| US20020026990A1 (en) | 2002-03-07 |
| CA2174875C (fr) | 2007-01-23 |
| US6325888B1 (en) | 2001-12-04 |
| FI119553B (fi) | 2008-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE524260C2 (sv) | Förfarande och apparat för massaframställning från sågspån | |
| EP2003241B1 (fr) | Système réacteur à deux cuves et procédé pour l'hydrolyse et la digestion de copeaux de bois avec un procédé de lavage chimique amélioré | |
| CA1245011A (fr) | Hydrolyse acide a contre-courant | |
| SE534058C2 (sv) | Matning av fibermaterial med pumpar vid framställning av massa | |
| CN102203342A (zh) | 对纤维材料进行汽蒸、制浆、浸渍、蒸煮的单体竖向常压容器 | |
| US6123807A (en) | Method for the continuous cooking of pulp | |
| US6174411B1 (en) | Continuous digester with inverted top separator | |
| EP0344462B1 (fr) | Améliorations de la qualité de la cuisson en continu de pâte | |
| US6203662B1 (en) | Method for the continuous cooking of pulp in a digester system having a top separator | |
| CN111819323B (zh) | 生产溶解浆料的方法 | |
| SE511850C2 (sv) | Sätt och anläggning för kontinuerlig kokning av fibermaterial | |
| JP3898160B2 (ja) | 反転式トップセパレーターを備えた連続蒸解缶装置 | |
| US6582554B1 (en) | Continuous digester having a sectioned top separator with multiple liquor extraction ports | |
| SE530999C2 (sv) | Förfarande för behandling av finfördelat fibermaterial vid kokning av pappersmassa | |
| US20170175328A1 (en) | Method and apparatus for pumping sawdust feed in a sawdust pulping system | |
| RU2793493C2 (ru) | Способ изготовления растворимой древесноволокнистой массы | |
| US11993895B2 (en) | Method of feeding wood chips to a prehydrolysis reactor | |
| RU2805175C2 (ru) | Способ подачи древесной щепы в реактор предварительного гидролиза | |
| EP1552053A1 (fr) | Procede continu de cuisson de pulpe de cellulose et lessiveur de pulpe utilise a cet effet | |
| SE504644C2 (sv) | Vätskecirkulation i ett kärl för impregnering av flis | |
| BR112020018106B1 (pt) | Método para produção de polpa dissolvente a partir de material fibroso à base de madeira dura fragmentada | |
| SE519574C2 (sv) | Förfarande för avkylning av massa med en värmeväxlare i samband med kokning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |