DE2721006C2 - Verfahren und Vorrichtung zum Behandeln von Zellulosefasermaterial - Google Patents
Verfahren und Vorrichtung zum Behandeln von ZellulosefasermaterialInfo
- Publication number
- DE2721006C2 DE2721006C2 DE2721006A DE2721006A DE2721006C2 DE 2721006 C2 DE2721006 C2 DE 2721006C2 DE 2721006 A DE2721006 A DE 2721006A DE 2721006 A DE2721006 A DE 2721006A DE 2721006 C2 DE2721006 C2 DE 2721006C2
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- fiber material
- container
- outer container
- annular space
- 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
- 239000002657 fibrous material Substances 0.000 title claims description 35
- 229920003043 Cellulose fiber Polymers 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 claims description 78
- 230000029087 digestion Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 12
- 238000005470 impregnation Methods 0.000 claims description 9
- 238000011001 backwashing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001914 calming effect Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004537 pulping Methods 0.000 description 10
- 230000005465 channeling Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012216 screening Methods 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
Landscapes
- Paper (AREA)
- Reinforced Plastic Materials (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/685,391 US4193839A (en) | 1976-05-11 | 1976-05-11 | Flow control method and apparatus for continuous wood chip digester screenless liquor extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2721006A1 DE2721006A1 (de) | 1977-12-01 |
| DE2721006C2 true DE2721006C2 (de) | 1987-01-29 |
Family
ID=24752007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2721006A Expired DE2721006C2 (de) | 1976-05-11 | 1977-05-10 | Verfahren und Vorrichtung zum Behandeln von Zellulosefasermaterial |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4193839A (en18) |
| JP (1) | JPS52137004A (en18) |
| BR (1) | BR7703037A (en18) |
| CA (1) | CA1049310A (en18) |
| DE (1) | DE2721006C2 (en18) |
| FI (1) | FI66444C (en18) |
| FR (1) | FR2351208A1 (en18) |
| SE (1) | SE422090B (en18) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693785A (en) * | 1984-02-27 | 1987-09-15 | Laakso Oliver A | Digester having plural screens and means for controlling the liquid withdrawal |
| US4568419A (en) * | 1984-02-27 | 1986-02-04 | Laakso Oliver A | Method of treating comminuted cellulosic fibrous material in a vertical vessel |
| US4632729A (en) * | 1984-05-01 | 1986-12-30 | Laakso Oliver A | Chip presteaming and air washing |
| SE500455C2 (sv) * | 1992-11-18 | 1994-06-27 | Kamyr Ab | Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare |
| SE518542C2 (sv) * | 2001-03-21 | 2002-10-22 | Kvaerner Pulping Tech | Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare |
| US8795468B2 (en) * | 2010-07-09 | 2014-08-05 | Valmet Ab | Method and system for impregnating chips |
| CN103526626A (zh) * | 2013-10-28 | 2014-01-22 | 江苏大唐机械有限公司 | 鼓式洗涤机洗涤鼓 |
| CN109843932A (zh) * | 2016-03-31 | 2019-06-04 | 凯米罗总公司 | 制备半纤维素组合物的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2828017A (en) * | 1954-03-16 | 1958-03-25 | Helmer A Ronningen | Automatic backwashing filter |
| NO115278B (en18) * | 1962-03-03 | 1968-09-09 | Kamyr Ab | |
| US3268923A (en) * | 1964-05-11 | 1966-08-30 | Improved Machinery Inc | Extrusion washer |
| US3434920A (en) * | 1965-10-07 | 1969-03-25 | Frank B K Green | Apparatus for continuous digesting |
| SE307287B (en18) * | 1967-09-15 | 1968-12-23 | Kamyr Ab | |
| US3992248A (en) * | 1969-05-19 | 1976-11-16 | Stadler Hurter Limited | Continuous feeding system for treatment towers |
| CA936395A (en) * | 1970-11-27 | 1973-11-06 | Aktiebolaget Karlstads Mekaniska Werkstad | Method of continuous digestion by means of steam for the production of cellulose |
| US3814664A (en) * | 1972-09-11 | 1974-06-04 | Improved Machinery Inc | Gaseous reaction apparatus including a peripheral gas receiving chamber |
| CA1004410A (en) * | 1972-12-11 | 1977-02-01 | Kamyr Aktiebolag | Method and apparatus for counter-current treatment of cellulose fibre material |
| SE386692B (sv) * | 1974-03-14 | 1976-08-16 | Sunds Ab | Anordning for koncentrering och/eller vetskebehandling sasom tvettning eller blekning av vetskehaltiga emnesblandningar, serskilt cellulosamassa |
| US3941650A (en) * | 1974-08-09 | 1976-03-02 | Schnyder Auxilius P | Continuous digester |
| CA1044060A (en) * | 1976-02-20 | 1978-12-12 | Kamyr | Screenless digesting system and method |
-
1976
- 1976-05-11 US US05/685,391 patent/US4193839A/en not_active Expired - Lifetime
-
1977
- 1977-03-30 CA CA275,139A patent/CA1049310A/en not_active Expired
- 1977-05-02 FI FI771388A patent/FI66444C/fi not_active IP Right Cessation
- 1977-05-03 SE SE7705102A patent/SE422090B/xx not_active IP Right Cessation
- 1977-05-10 DE DE2721006A patent/DE2721006C2/de not_active Expired
- 1977-05-10 JP JP5270377A patent/JPS52137004A/ja active Granted
- 1977-05-10 FR FR7714287A patent/FR2351208A1/fr active Granted
- 1977-05-10 BR BR3037/77A patent/BR7703037A/pt unknown
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| US4193839A (en) | 1980-03-18 |
| JPS52137004A (en) | 1977-11-16 |
| FI66444C (fi) | 1984-10-10 |
| FR2351208B1 (en18) | 1982-08-27 |
| JPS616918B2 (en18) | 1986-03-01 |
| FR2351208A1 (fr) | 1977-12-09 |
| DE2721006A1 (de) | 1977-12-01 |
| CA1049310A (en) | 1979-02-27 |
| SE7705102L (sv) | 1977-11-12 |
| BR7703037A (pt) | 1978-01-31 |
| FI771388A (en18) | 1977-11-12 |
| FI66444B (fi) | 1984-06-29 |
| SE422090B (sv) | 1982-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |