DE3013825C2 - Verfahren zur Sekundärwärme-Rückgewinnung beim chargenweisen Zelluloseaufschluß in Kochern - Google Patents
Verfahren zur Sekundärwärme-Rückgewinnung beim chargenweisen Zelluloseaufschluß in KochernInfo
- Publication number
- DE3013825C2 DE3013825C2 DE3013825A DE3013825A DE3013825C2 DE 3013825 C2 DE3013825 C2 DE 3013825C2 DE 3013825 A DE3013825 A DE 3013825A DE 3013825 A DE3013825 A DE 3013825A DE 3013825 C2 DE3013825 C2 DE 3013825C2
- Authority
- DE
- Germany
- Prior art keywords
- digester
- steam
- line
- valve
- cooker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 29
- 238000011084 recovery Methods 0.000 title claims description 18
- 230000029087 digestion Effects 0.000 title claims description 17
- 229920002678 cellulose Polymers 0.000 title claims description 4
- 239000001913 cellulose Substances 0.000 title claims description 4
- 238000010411 cooking Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 18
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004537 pulping Methods 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 description 12
- 238000007872 degassing Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000007664 blowing Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 240000005616 Vigna mungo var. mungo Species 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 229940036248 turpentine Drugs 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
-
- 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
- D21C7/08—Discharge devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Extraction Or Liquid Replacement (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- General Preparation And Processing Of Foods (AREA)
- Jellies, Jams, And Syrups (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI791205A FI63268C (fi) | 1979-04-11 | 1979-04-11 | Foerfaringssaett foer toemning av en satsvis cellulosakokare. |
| SE7906540A SE435075B (sv) | 1979-08-01 | 1979-08-01 | Forfarande vid satsvis kokning av cellulosamassa for tomning av massan fran kokaren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3013825A1 DE3013825A1 (de) | 1980-10-30 |
| DE3013825C2 true DE3013825C2 (de) | 1987-03-26 |
Family
ID=26157029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3013825A Expired DE3013825C2 (de) | 1979-04-11 | 1980-04-10 | Verfahren zur Sekundärwärme-Rückgewinnung beim chargenweisen Zelluloseaufschluß in Kochern |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT375692B (e) |
| BR (1) | BR8002271A (e) |
| CA (1) | CA1135101A (e) |
| DE (1) | DE3013825C2 (e) |
| ES (1) | ES8101160A1 (e) |
| FR (2) | FR2453934B1 (e) |
| NO (1) | NO157109C (e) |
| PT (1) | PT71072A (e) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE453673B (sv) * | 1985-07-02 | 1988-02-22 | Kamyr Ab | Sett vid kontinuerlig kokning for uppvermning av fibermaterialet vid kokarens topp |
| US4975148A (en) * | 1988-12-06 | 1990-12-04 | Ahlstromforetagen Svenska Ab | Cold blow system for batch production of pulp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO115278B (e) * | 1962-03-03 | 1968-09-09 | Kamyr Ab | |
| US3515631A (en) * | 1965-07-14 | 1970-06-02 | Curt Fredrick Rosenblad | Method and system for flushing sulphite pulp digesters |
| US4138311A (en) * | 1977-02-10 | 1979-02-06 | International Paper Company | Method and apparatus for batch production of pulp including improved energy reclamation |
-
1980
- 1980-04-09 PT PT71072A patent/PT71072A/pt not_active IP Right Cessation
- 1980-04-10 DE DE3013825A patent/DE3013825C2/de not_active Expired
- 1980-04-10 NO NO801036A patent/NO157109C/no unknown
- 1980-04-10 CA CA000349532A patent/CA1135101A/en not_active Expired
- 1980-04-11 ES ES490518A patent/ES8101160A1/es not_active Expired
- 1980-04-11 BR BR8002271A patent/BR8002271A/pt not_active IP Right Cessation
- 1980-04-11 FR FR8008225A patent/FR2453934B1/fr not_active Expired
- 1980-04-11 AT AT0197980A patent/AT375692B/de not_active IP Right Cessation
-
1984
- 1984-10-18 FR FR8415997A patent/FR2553797B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| ES490518A0 (es) | 1980-12-01 |
| ES8101160A1 (es) | 1980-12-01 |
| NO157109C (no) | 1988-01-20 |
| BR8002271A (pt) | 1980-12-02 |
| NO801036L (no) | 1980-10-13 |
| CA1135101A (en) | 1982-11-09 |
| FR2553797B1 (fr) | 1987-01-16 |
| AT375692B (de) | 1984-08-27 |
| ATA197980A (de) | 1984-01-15 |
| NO157109B (no) | 1987-10-12 |
| FR2453934A1 (fr) | 1980-11-07 |
| DE3013825A1 (de) | 1980-10-30 |
| FR2453934B1 (fr) | 1985-08-23 |
| FR2553797A1 (fr) | 1985-04-26 |
| PT71072A (en) | 1980-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OB | Request for examination as to novelty | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: CELLECO AB, STOCKHOLM, SE |
|
| 8128 | New person/name/address of the agent |
Representative=s name: RUSCHKE, O., DIPL.-ING., 1000 BERLIN RUSCHKE, H., |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SUNDS DEFIBRATOR AB, SUNDSVALL, SE |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: RUSCHKE, H., DIPL.-ING., 8000 MUENCHEN RUSCHKE, O., DIPL.-ING., 1000 BERLIN ROST, J., DIPL.-ING. ROTTER, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |