ES8101160A1 - Method for the recovery of secondary heat in the digestion by successive cellulose bands in digestors. (Machine-translation by Google Translate, not legally binding) - Google Patents
Method for the recovery of secondary heat in the digestion by successive cellulose bands in digestors. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES8101160A1 ES8101160A1 ES490518A ES490518A ES8101160A1 ES 8101160 A1 ES8101160 A1 ES 8101160A1 ES 490518 A ES490518 A ES 490518A ES 490518 A ES490518 A ES 490518A ES 8101160 A1 ES8101160 A1 ES 8101160A1
- Authority
- ES
- Spain
- Prior art keywords
- digestion
- recovery
- digestors
- translation
- machine
- 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
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)
- Extraction Or Liquid Replacement (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- General Preparation And Processing Of Foods (AREA)
- Jellies, Jams, And Syrups (AREA)
- Artificial Filaments (AREA)
Abstract
During the last stage of the digestion cycle, the extraction liquor is brought from the digestion units 1 to a balancing tank 9 under pressure. The extraction liquor or the steam which is released from it is brought, under controlled flow, from the tank 9 towards a user zone during the process or an attached process or towards a heat-recovery unit 30. The liquor can be conducted, in particular, from the tank 9 to a first cyclone 20. The liquid leaving the cyclone is then taken to a second cyclone 22 provided with a steam outlet and a liquid outlet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI791205A FI63268C (en) | 1979-04-11 | 1979-04-11 | Procedures for emptying a batch cellulose cooker. |
SE7906540A SE435075B (en) | 1979-08-01 | 1979-08-01 | Process for the emptying of pulp from the boiler of a batchwise cellulose boiler |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8101160A1 true ES8101160A1 (en) | 1980-12-01 |
ES490518A0 ES490518A0 (en) | 1980-12-01 |
Family
ID=26157029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES490518A Granted ES490518A0 (en) | 1979-04-11 | 1980-04-11 | METHOD FOR THE RECOVERY OF SECONDARY HEAT IN THE MANAGEMENT BY SUCCESSIVE RANGES OF CELLULOSE IN DIGESTORS |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT375692B (en) |
BR (1) | BR8002271A (en) |
CA (1) | CA1135101A (en) |
DE (1) | DE3013825C2 (en) |
ES (1) | ES490518A0 (en) |
FR (2) | FR2453934B1 (en) |
NO (1) | NO157109C (en) |
PT (1) | PT71072A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE453673B (en) * | 1985-07-02 | 1988-02-22 | Kamyr Ab | SEE CONTINUOUS COOKING TO HEAT THE FIBER MATERIAL AT THE COOKER'S TOP |
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 (en) * | 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/en not_active IP Right Cessation
- 1980-04-10 NO NO801036A patent/NO157109C/en unknown
- 1980-04-10 CA CA000349532A patent/CA1135101A/en not_active Expired
- 1980-04-10 DE DE3013825A patent/DE3013825C2/en not_active Expired
- 1980-04-11 ES ES490518A patent/ES490518A0/en active Granted
- 1980-04-11 FR FR8008225A patent/FR2453934B1/en not_active Expired
- 1980-04-11 AT AT0197980A patent/AT375692B/en not_active IP Right Cessation
- 1980-04-11 BR BR8002271A patent/BR8002271A/en not_active IP Right Cessation
-
1984
- 1984-10-18 FR FR8415997A patent/FR2553797B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT375692B (en) | 1984-08-27 |
FR2453934B1 (en) | 1985-08-23 |
FR2453934A1 (en) | 1980-11-07 |
FR2553797B1 (en) | 1987-01-16 |
NO157109C (en) | 1988-01-20 |
DE3013825A1 (en) | 1980-10-30 |
DE3013825C2 (en) | 1987-03-26 |
ES490518A0 (en) | 1980-12-01 |
FR2553797A1 (en) | 1985-04-26 |
NO801036L (en) | 1980-10-13 |
CA1135101A (en) | 1982-11-09 |
PT71072A (en) | 1980-05-01 |
BR8002271A (en) | 1980-12-02 |
NO157109B (en) | 1987-10-12 |
ATA197980A (en) | 1984-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971001 |