CA1242055A - Sawdust pumping, and processing - Google Patents
Sawdust pumping, and processingInfo
- Publication number
- CA1242055A CA1242055A CA000477850A CA477850A CA1242055A CA 1242055 A CA1242055 A CA 1242055A CA 000477850 A CA000477850 A CA 000477850A CA 477850 A CA477850 A CA 477850A CA 1242055 A CA1242055 A CA 1242055A
- Authority
- CA
- Canada
- Prior art keywords
- slurry
- vessel
- sawdust
- recited
- digester
- 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US596,111 | 1975-07-15 | ||
US59611184A | 1984-04-02 | 1984-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1242055A true CA1242055A (en) | 1988-09-20 |
Family
ID=24386023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000477850A Expired CA1242055A (en) | 1984-04-02 | 1985-03-28 | Sawdust pumping, and processing |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0157279B1 (ja) |
JP (1) | JPH0639755B2 (ja) |
BR (1) | BR8501512A (ja) |
CA (1) | CA1242055A (ja) |
DE (1) | DE3564300D1 (ja) |
FI (1) | FI78745C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325888B1 (en) | 1995-08-31 | 2001-12-04 | Andritz-Ahlstrom Inc. | Method for pulping sawdust |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI79361B (fi) * | 1988-01-05 | 1989-08-31 | Ahlstroem Oy | Foerfarande och apparatur foer underlaettande av uttoemning av fallroer eller liknande och behandling av massa i sagda utrymme. |
US5753075A (en) * | 1996-10-25 | 1998-05-19 | Stromberg; C. Bertil | Method and system for feeding comminuted fibrous material |
US6106668A (en) * | 1996-10-25 | 2000-08-22 | Ahlstrom Machinery Inc. | Method for feeding comminuted fibrous material |
SE0201512L (sv) * | 2002-05-21 | 2003-03-11 | Kvaerner Pulping Tech | Metod för kontinuerlig kokning av vedrådvara till cellulosamassa |
CA2455172C (en) * | 2003-01-30 | 2010-02-23 | Andritz Inc. | Feeding comminuted fibrous material using high pressure screw and centrifugal pumps |
CN101398262A (zh) * | 2007-09-29 | 2009-04-01 | 沈阳铝镁设计研究院 | 一种矿浆直接加热方法及设备 |
US8888954B2 (en) | 2008-03-20 | 2014-11-18 | Valmet Ab | Feeding system having pumps in parallel for a continuous digester |
SE532060C2 (sv) | 2008-03-20 | 2009-10-13 | Metso Fiber Karlstad Ab | Matningssystem innefattande parallella pumpar för en kontinuerlig kokare |
SE532083C2 (sv) | 2008-03-20 | 2009-10-20 | Metso Fiber Karlstad Ab | Matningssystem innefattande parallella pumpar för en kontinuerlig kokare |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR569326A (fr) * | 1922-04-27 | 1924-04-10 | Cuiseur continu sous pression | |
FR1226093A (fr) * | 1958-06-04 | 1960-07-08 | Buss Ag | Procédé pour l'apport et l'enlèvement continu de substances solides dans un appareil se trouvant sous pression ou en dépression et dispositif pour la mise en oeuvre du procédé |
US3001481A (en) * | 1958-09-02 | 1961-09-26 | Improved Machinery Inc | Pump |
US3475271A (en) * | 1966-02-07 | 1969-10-28 | Kamyr Ab | Cellulose digester with washing apparatus |
US3586600A (en) * | 1967-07-27 | 1971-06-22 | Improved Machinery Inc | Continuous digesting apparatus |
JPS489122U (ja) * | 1971-06-11 | 1973-02-01 | ||
SE390990B (sv) * | 1975-06-02 | 1977-01-31 | Kamyr Ab | Sett och anordning for impregnering av fibermaterial fore kokning medelst pulsering av tryck mellan kokartryck och ett legre tryck |
US4410337A (en) * | 1980-04-07 | 1983-10-18 | A. Ahlstrom Osakeyhtio | Method and an apparatus for separating a gas from a fibre suspension |
US4370172A (en) * | 1981-03-17 | 1983-01-25 | Compagnie De Construction Mecanique Sulzer, French Societe Anonyme | Controlled vortex pump feed for supplying cellulose-containing material to reaction vessel |
-
1985
- 1985-03-19 DE DE8585103154T patent/DE3564300D1/de not_active Expired
- 1985-03-19 EP EP85103154A patent/EP0157279B1/en not_active Expired
- 1985-03-28 CA CA000477850A patent/CA1242055A/en not_active Expired
- 1985-03-28 FI FI851253A patent/FI78745C/fi not_active IP Right Cessation
- 1985-03-29 JP JP60064067A patent/JPH0639755B2/ja not_active Expired - Lifetime
- 1985-04-01 BR BR8501512A patent/BR8501512A/pt not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325888B1 (en) | 1995-08-31 | 2001-12-04 | Andritz-Ahlstrom Inc. | Method for pulping sawdust |
US6379504B1 (en) | 1995-08-31 | 2002-04-30 | Andritz Inc. | Apparatus for pulping sawdust |
Also Published As
Publication number | Publication date |
---|---|
BR8501512A (pt) | 1985-11-26 |
FI851253A0 (fi) | 1985-03-28 |
FI851253L (fi) | 1985-10-03 |
EP0157279A1 (en) | 1985-10-09 |
JPH0639755B2 (ja) | 1994-05-25 |
FI78745C (fi) | 1989-09-11 |
EP0157279B1 (en) | 1988-08-10 |
JPS60231890A (ja) | 1985-11-18 |
DE3564300D1 (en) | 1988-09-15 |
FI78745B (fi) | 1989-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0407370B1 (en) | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips | |
US4668340A (en) | Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material | |
CA2265872C (en) | Method and apparatus for pulping with controlled heating to improve delignification and pulp strength | |
US4071399A (en) | Apparatus and method for the displacement impregnation of cellulosic chips material | |
US4435249A (en) | Process for the oxygen delignification of pulp mill rejects | |
US6881299B2 (en) | Refiner bleaching with magnesium oxide and hydrogen peroxide | |
US3097987A (en) | Continuous pulping process | |
CA2174875C (en) | Method and apparatus for pulping sawdust | |
US5346591A (en) | Apparatus for treatment of chips with heated black liquor | |
RU2555655C2 (ru) | Способ и система для варки тонкой щепы в варочном котле | |
CA1242055A (en) | Sawdust pumping, and processing | |
RU2089694C1 (ru) | Способ непрерывной сульфатной варки измельченного целлюлозного волокнистого материала и устройство для его осуществления | |
CA2404796C (en) | Low temperature gas phase continuous digester | |
EP0056263A1 (en) | A method for improving the washing of cellulose pulps produced from lignocellulosic material | |
WO2004050983A1 (en) | Method and system for treatment of wood chips | |
EP0138484A2 (en) | Mechanical pulping | |
US5203963A (en) | Continuous treatment of small chips | |
US3785920A (en) | Method of treating raw cellulosic materials | |
US4002528A (en) | Apparatus for processing pulp | |
US4190490A (en) | Impregnation and digestion of wood chips | |
US5133946A (en) | Process for bleaching cellulosic materials and plant for carrying out the process | |
US3165436A (en) | Continuous impregnating and pulping process | |
US4743338A (en) | Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters | |
US20030102093A1 (en) | Processes and systems for handling knots in a chemical pulping process | |
JPH11323757A (ja) | 細砕繊維性材料の供給方法およびシステム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |