DE2721006C2 - - Google Patents
Info
- 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
- 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
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 (US07579456-20090825-P00002.png) | 1987-01-29 |
Family
ID=24752007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772721006 Granted DE2721006A1 (de) | 1976-05-11 | 1977-05-10 | Verfahren und vorrichtung zum behandeln von zellulosefasermaterial |
Country Status (8)
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4568419A (en) * | 1984-02-27 | 1986-02-04 | Laakso Oliver A | Method of treating comminuted cellulosic fibrous material in a vertical vessel |
US4693785A (en) * | 1984-02-27 | 1987-09-15 | Laakso Oliver A | Digester having plural screens and means for controlling the liquid withdrawal |
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 |
WO2012005643A1 (en) * | 2010-07-09 | 2012-01-12 | Metso Paper Sweden 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 |
EA201892221A1 (ru) * | 2016-03-31 | 2019-04-30 | Кемира Ойй | Способы получения гемицеллюлозных композиций |
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 (US07579456-20090825-P00002.png) * | 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 (US07579456-20090825-P00002.png) * | 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 DE19772721006 patent/DE2721006A1/de active Granted
- 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
Also Published As
Publication number | Publication date |
---|---|
JPS616918B2 (US07579456-20090825-P00002.png) | 1986-03-01 |
FR2351208B1 (US07579456-20090825-P00002.png) | 1982-08-27 |
SE422090B (sv) | 1982-02-15 |
SE7705102L (sv) | 1977-11-12 |
FI66444C (fi) | 1984-10-10 |
FR2351208A1 (fr) | 1977-12-09 |
JPS52137004A (en) | 1977-11-16 |
FI66444B (fi) | 1984-06-29 |
CA1049310A (en) | 1979-02-27 |
US4193839A (en) | 1980-03-18 |
DE2721006A1 (de) | 1977-12-01 |
BR7703037A (pt) | 1978-01-31 |
FI771388A (US07579456-20090825-P00002.png) | 1977-11-12 |
Similar Documents
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 |