FI122625B - Menetelmä keittimen käyttämiseksi ja keitin - Google Patents
Menetelmä keittimen käyttämiseksi ja keitin Download PDFInfo
- Publication number
- FI122625B FI122625B FI980246A FI980246A FI122625B FI 122625 B FI122625 B FI 122625B FI 980246 A FI980246 A FI 980246A FI 980246 A FI980246 A FI 980246A FI 122625 B FI122625 B FI 122625B
- Authority
- FI
- Finland
- Prior art keywords
- digester
- chips
- gas
- liquid
- zone
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 239000007788 liquid Substances 0.000 claims description 85
- 238000010411 cooking Methods 0.000 claims description 68
- 239000007789 gas Substances 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 42
- 239000000725 suspension Substances 0.000 claims description 40
- 239000012530 fluid Substances 0.000 claims description 16
- 239000002655 kraft paper Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 16
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 239000002657 fibrous material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 9
- 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 claims description 7
- 150000004056 anthraquinones Chemical class 0.000 claims description 7
- 229920001021 polysulfide Polymers 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 239000005077 polysulfide Substances 0.000 claims description 6
- 150000008117 polysulfides Polymers 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 4
- 239000011368 organic material Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 238000010257 thawing Methods 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims 3
- RYXPMWYHEBGTRV-UHFFFAOYSA-N Omeprazole sodium Chemical compound [Na+].N=1C2=CC(OC)=CC=C2[N-]C=1S(=O)CC1=NC=C(C)C(OC)=C1C RYXPMWYHEBGTRV-UHFFFAOYSA-N 0.000 claims 2
- 239000005446 dissolved organic matter Substances 0.000 claims 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- 206010037660 Pyrexia Diseases 0.000 claims 1
- 241000566107 Scolopax Species 0.000 claims 1
- 241000219289 Silene Species 0.000 claims 1
- 239000000571 coke Substances 0.000 claims 1
- 230000029087 digestion Effects 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 210000003041 ligament Anatomy 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 239000012071 phase Substances 0.000 description 34
- 238000011282 treatment Methods 0.000 description 20
- 239000012808 vapor phase Substances 0.000 description 19
- 239000002023 wood Substances 0.000 description 10
- 238000005470 impregnation Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 235000014347 soups Nutrition 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- -1 steam Substances 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- D21C7/06—Feeding devices
-
- 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
- D21C7/10—Heating devices
Landscapes
- Paper (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79732797 | 1997-02-10 | ||
| US08/797,327 US5882477A (en) | 1997-02-10 | 1997-02-10 | Continuous digester with a low temperature gas-phase |
| US09/014,243 US6024837A (en) | 1997-02-10 | 1998-01-27 | Low temperature gas phase continuous digester |
| US1424398 | 1998-01-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI980246A0 FI980246A0 (fi) | 1998-02-04 |
| FI980246A FI980246A (fi) | 1998-08-11 |
| FI122625B true FI122625B (fi) | 2012-04-30 |
Family
ID=25170532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI980246A FI122625B (fi) | 1997-02-10 | 1998-02-04 | Menetelmä keittimen käyttämiseksi ja keitin |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5882477A (fr) |
| JP (1) | JP3326430B2 (fr) |
| BR (1) | BR9800594B1 (fr) |
| CA (2) | CA2404796C (fr) |
| FI (1) | FI122625B (fr) |
| SE (1) | SE522358E (fr) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE511850C2 (sv) * | 1997-02-10 | 1999-12-06 | Kvaerner Pulping Tech | Sätt och anläggning för kontinuerlig kokning av fibermaterial |
| US6103057A (en) * | 1997-06-11 | 2000-08-15 | Fagerlund; Bertil K. | Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor |
| US6086717A (en) * | 1997-08-07 | 2000-07-11 | Kvaerner Pulping Ab | Separator having a screen basket disposed in a digester |
| US6171494B1 (en) * | 1997-08-07 | 2001-01-09 | Kvaener Pulping Ab | Hydraulic vessel system having a downwardly feeding separator |
| CA2318027C (fr) * | 1999-09-13 | 2008-07-08 | Andritz-Ahlstrom Inc. | Traitement de la pate a papier avec un additif ameliorant le rendement ou la resistance |
| SE9904847L (sv) * | 1999-12-29 | 2001-02-05 | Kvaerner Pulping Tech | Förfarande för reglering av koktemperaturen i en kontinuerlig ångfaskokare |
| US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
| FI20002587A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen keittomenetelmä kuitumateriaalille |
| SE518897C2 (sv) * | 2001-04-17 | 2002-12-03 | Lars Obitz | System och metod för matning av fibrer från ett fiberseparationssteg vid ett första tryck till ett torkningssteg vid ett andra, lägre tryck |
| SE520956C2 (sv) * | 2001-12-05 | 2003-09-16 | Kvaerner Pulping Tech | Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren |
| US7105076B2 (en) * | 2002-02-04 | 2006-09-12 | Andritz Inc. | Gas phase continuous digester having an inverted top separator with liquor injection |
| SE0201512L (sv) * | 2002-05-21 | 2003-03-11 | Kvaerner Pulping Tech | Metod för kontinuerlig kokning av vedrådvara till cellulosamassa |
| US20040200587A1 (en) * | 2003-04-08 | 2004-10-14 | Herring William J. | Cellulose pulp having increased hemicellulose content |
| US20040200589A1 (en) * | 2003-04-08 | 2004-10-14 | Herring William J. | Method of making pulp having high hemicellulose content |
| 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 |
| US20080029233A1 (en) * | 2006-08-03 | 2008-02-07 | Purevision Technology, Inc. | Moving bed biomass fractionation system and method |
| 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 |
| JP5859339B2 (ja) * | 2011-08-15 | 2016-02-10 | 三菱重工業株式会社 | チャー回収装置 |
| US20130248127A1 (en) * | 2012-03-22 | 2013-09-26 | Savcor Forest Oy | Method and arrangement for measuring and controlling chip and/or liquid level |
| WO2019067526A1 (fr) | 2017-09-26 | 2019-04-04 | Poet Research, Inc. | Systèmes et procédés de traitement d'une biomasse lignocellulosique |
| FI128975B (en) | 2018-11-22 | 2021-04-15 | Andritz Oy | ARRANGEMENT FOR INSTALLING MONITORING SENSORS IN THE LIGNOCELLULOSE MATERIAL HANDLING DISH |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3380883A (en) * | 1963-09-27 | 1968-04-30 | Kamyr Ab | Method and apparatus for performing prehydrolysis in a continuous counterflow digester |
| SE300755B (fr) * | 1964-04-16 | 1968-05-06 | Kamyr Ab | |
| SE330819B (fr) * | 1966-09-12 | 1970-11-30 | Kamyr Ab | |
| SE305582B (fr) * | 1967-09-18 | 1968-10-28 | Kamyr Ab | |
| SE359331B (fr) * | 1970-03-17 | 1973-08-27 | Kamyr Ab | |
| US4668340A (en) * | 1984-03-20 | 1987-05-26 | Kamyr, Inc. | Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material |
| US5236553A (en) * | 1989-06-28 | 1993-08-17 | Kamyr Ab | Continuous cooking with reduced horsepower and pulp degradation |
| US5053108A (en) * | 1989-06-28 | 1991-10-01 | Kamyr Ab | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips |
| US5413677A (en) * | 1993-04-05 | 1995-05-09 | Kamyr, Inc. | Method for producing chemical pulp from hardwood chips |
| US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
-
1997
- 1997-02-10 US US08/797,327 patent/US5882477A/en not_active Expired - Lifetime
-
1998
- 1998-01-27 US US09/014,243 patent/US6024837A/en not_active Expired - Lifetime
- 1998-02-04 FI FI980246A patent/FI122625B/fi not_active IP Right Cessation
- 1998-02-06 SE SE9800354A patent/SE522358E/sv not_active IP Right Cessation
- 1998-02-09 CA CA002404796A patent/CA2404796C/fr not_active Expired - Fee Related
- 1998-02-09 CA CA002228984A patent/CA2228984C/fr not_active Expired - Fee Related
- 1998-02-10 JP JP02833498A patent/JP3326430B2/ja not_active Expired - Fee Related
- 1998-02-10 BR BRPI9800594-4A patent/BR9800594B1/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US6024837A (en) | 2000-02-15 |
| SE9800354L (sv) | 1998-08-11 |
| BR9800594A (pt) | 2000-10-24 |
| JP3326430B2 (ja) | 2002-09-24 |
| BR9800594B1 (pt) | 2009-08-11 |
| FI980246A (fi) | 1998-08-11 |
| CA2404796C (fr) | 2004-09-07 |
| JPH10331085A (ja) | 1998-12-15 |
| SE522358E (sv) | 2010-08-03 |
| CA2404796A1 (fr) | 1998-08-10 |
| FI980246A0 (fi) | 1998-02-04 |
| US5882477A (en) | 1999-03-16 |
| SE522358C2 (sv) | 2004-02-03 |
| SE9800354D0 (en) | 1998-02-06 |
| CA2228984A1 (fr) | 1998-08-10 |
| CA2228984C (fr) | 2004-04-27 |
| SE522358C3 (sv) | 2004-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Ref document number: 122625 Country of ref document: FI Kind code of ref document: B |
|
| MD | Opposition filed |
Opponent name: METSO PAPER SWEDEN AB |
|
| MM | Patent lapsed | ||
| MGE | Revoked following opposition |