FI63610C - Foerfarande foer kontinuerlig uppslutning av finfoerdelat material - Google Patents
Foerfarande foer kontinuerlig uppslutning av finfoerdelat material Download PDFInfo
- Publication number
- FI63610C FI63610C FI814229A FI814229A FI63610C FI 63610 C FI63610 C FI 63610C FI 814229 A FI814229 A FI 814229A FI 814229 A FI814229 A FI 814229A FI 63610 C FI63610 C FI 63610C
- Authority
- FI
- Finland
- Prior art keywords
- zone
- liquid
- heating zone
- fed
- heat capacity
- Prior art date
Links
- 239000000463 material Substances 0.000 title description 13
- 239000007788 liquid Substances 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 28
- 239000007791 liquid phase Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 238000004090 dissolution Methods 0.000 claims 5
- 239000002904 solvent Substances 0.000 claims 1
- 230000029087 digestion Effects 0.000 description 18
- 238000010411 cooking Methods 0.000 description 13
- 239000011343 solid material Substances 0.000 description 10
- 238000009835 boiling Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid 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
-
- 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)
- Artificial Filaments (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI814229A FI63610C (fi) | 1981-12-31 | 1981-12-31 | Foerfarande foer kontinuerlig uppslutning av finfoerdelat material |
| AT0441682A AT380037B (de) | 1981-12-31 | 1982-12-03 | Verfahren zur kontinuierlichen aufloesung von feinverteiltem material |
| DE3245391A DE3245391C2 (de) | 1981-12-31 | 1982-12-08 | Verfahren zur kontinuierlichen Auflösung von in Flüssigkeit feinverteiltem Material |
| SE8207001A SE454999B (sv) | 1981-12-31 | 1982-12-08 | Forfarande for kontinuerlig uppslutning av finfordelat material |
| ZA829229A ZA829229B (en) | 1981-12-31 | 1982-12-15 | A process for continuous digestion of finely-divided material |
| AU91601/82A AU542141B2 (en) | 1981-12-31 | 1982-12-16 | Continuous pulp digestion |
| US06/450,905 US4608121A (en) | 1981-12-31 | 1982-12-20 | Process for continuous digestion of finely-divided material with heat capacity flows of substantially the same magnitude |
| JP57224076A JPS58120893A (ja) | 1981-12-31 | 1982-12-22 | 粉砕された材料を連続的に蒸解する方法 |
| FR8221927A FR2519357B1 (fr) | 1981-12-31 | 1982-12-28 | Procede pour la digestion continue d'une matiere finement divisee et application particuliere a l'obtention de cellulose |
| NO824405A NO162031C (no) | 1981-12-31 | 1982-12-29 | Fremgangsmaate for kontinuerlig oppslutning av finfordelt celluloseholdig fibermateriale. |
| CA000418727A CA1222898A (en) | 1981-12-31 | 1982-12-30 | Process for continuous digestion of finely-divided material |
| BR8207673A BR8207673A (pt) | 1981-12-31 | 1982-12-30 | Processo para a digestao continua de material finamente particulado |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI814229 | 1981-12-31 | ||
| FI814229A FI63610C (fi) | 1981-12-31 | 1981-12-31 | Foerfarande foer kontinuerlig uppslutning av finfoerdelat material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI63610B FI63610B (fi) | 1983-03-31 |
| FI63610C true FI63610C (fi) | 1983-07-11 |
Family
ID=8514992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI814229A FI63610C (fi) | 1981-12-31 | 1981-12-31 | Foerfarande foer kontinuerlig uppslutning av finfoerdelat material |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4608121A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS58120893A (cg-RX-API-DMAC10.html) |
| AT (1) | AT380037B (cg-RX-API-DMAC10.html) |
| AU (1) | AU542141B2 (cg-RX-API-DMAC10.html) |
| BR (1) | BR8207673A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1222898A (cg-RX-API-DMAC10.html) |
| DE (1) | DE3245391C2 (cg-RX-API-DMAC10.html) |
| FI (1) | FI63610C (cg-RX-API-DMAC10.html) |
| FR (1) | FR2519357B1 (cg-RX-API-DMAC10.html) |
| NO (1) | NO162031C (cg-RX-API-DMAC10.html) |
| SE (1) | SE454999B (cg-RX-API-DMAC10.html) |
| ZA (1) | ZA829229B (cg-RX-API-DMAC10.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4751814A (en) * | 1985-06-21 | 1988-06-21 | General Electric Company | Air cycle thermodynamic conversion system |
| US5788812A (en) * | 1985-11-05 | 1998-08-04 | Agar; Richard C. | Method of recovering furfural from organic pulping liquor |
| JPS62223386A (ja) * | 1986-03-18 | 1987-10-01 | 株式会社日本紙パルプ研究所 | パルプの製造方法 |
| SE468053B (sv) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
| US5192396A (en) * | 1988-12-20 | 1993-03-09 | Kamyr Ab | Process for the continuous digestion of cellulosic fiber material |
| JPH0674557B2 (ja) * | 1989-09-28 | 1994-09-21 | ベロイト・テクノロジーズ・インコーポレイテッド | 連続式ダイジェスターにおける加熱方法と装置 |
| US5256255A (en) * | 1989-09-28 | 1993-10-26 | Beloit Technologies, Inc. | Displacement heating in continuous digesters |
| US5536366A (en) | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
| US5489363A (en) † | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
| SE506458C2 (sv) | 1996-02-09 | 1997-12-15 | Kvaerner Pulping Tech | Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2824800A (en) * | 1954-07-06 | 1958-02-25 | Rosenblads Patenter Ab | Method of cooking sulphite pulp |
| FI40678C (fi) * | 1962-12-18 | 1969-04-10 | Kamyr Ab | Sätt att i två steg kontinuerligt utföra uppslutningskokning av cellulosahaltigt material samt därför avsedd anordning |
| NO118474B (cg-RX-API-DMAC10.html) * | 1964-01-25 | 1969-12-29 | Kamyr Ab | |
| US3427218A (en) * | 1964-07-10 | 1969-02-11 | Kamyr Ab | Method of performing counter-current continuous cellulose digestion |
| SE343344B (cg-RX-API-DMAC10.html) * | 1970-06-29 | 1972-03-06 | Kamyr Ab | |
| CA1002361A (en) * | 1973-01-03 | 1976-12-28 | James R. Prough | Digester control process and apparatus |
| US4071399A (en) * | 1976-09-01 | 1978-01-31 | Kamyr, Inc. | Apparatus and method for the displacement impregnation of cellulosic chips material |
-
1981
- 1981-12-31 FI FI814229A patent/FI63610C/sv not_active IP Right Cessation
-
1982
- 1982-12-03 AT AT0441682A patent/AT380037B/de not_active IP Right Cessation
- 1982-12-08 DE DE3245391A patent/DE3245391C2/de not_active Expired
- 1982-12-08 SE SE8207001A patent/SE454999B/sv not_active IP Right Cessation
- 1982-12-15 ZA ZA829229A patent/ZA829229B/xx unknown
- 1982-12-16 AU AU91601/82A patent/AU542141B2/en not_active Ceased
- 1982-12-20 US US06/450,905 patent/US4608121A/en not_active Expired - Fee Related
- 1982-12-22 JP JP57224076A patent/JPS58120893A/ja active Granted
- 1982-12-28 FR FR8221927A patent/FR2519357B1/fr not_active Expired
- 1982-12-29 NO NO824405A patent/NO162031C/no unknown
- 1982-12-30 CA CA000418727A patent/CA1222898A/en not_active Expired
- 1982-12-30 BR BR8207673A patent/BR8207673A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3245391A1 (de) | 1983-07-07 |
| ZA829229B (en) | 1983-10-26 |
| JPS58120893A (ja) | 1983-07-18 |
| FR2519357B1 (fr) | 1985-11-22 |
| SE8207001L (sv) | 1983-07-01 |
| SE8207001D0 (sv) | 1982-12-08 |
| NO162031B (no) | 1989-07-17 |
| BR8207673A (pt) | 1983-10-25 |
| AU9160182A (en) | 1983-07-07 |
| CA1222898A (en) | 1987-06-16 |
| JPS6261714B2 (cg-RX-API-DMAC10.html) | 1987-12-23 |
| US4608121A (en) | 1986-08-26 |
| FR2519357A1 (fr) | 1983-07-08 |
| NO162031C (no) | 1989-10-25 |
| FI63610B (fi) | 1983-03-31 |
| SE454999B (sv) | 1988-06-13 |
| AU542141B2 (en) | 1985-02-07 |
| DE3245391C2 (de) | 1986-09-25 |
| NO824405L (no) | 1983-07-01 |
| AT380037B (de) | 1986-03-25 |
| ATA441682A (de) | 1985-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: EKONO OY |