SE8306511L - Metod och apparat for tvettning av pappersmassa - Google Patents
Metod och apparat for tvettning av pappersmassaInfo
- Publication number
- SE8306511L SE8306511L SE8306511A SE8306511A SE8306511L SE 8306511 L SE8306511 L SE 8306511L SE 8306511 A SE8306511 A SE 8306511A SE 8306511 A SE8306511 A SE 8306511A SE 8306511 L SE8306511 L SE 8306511L
- Authority
- SE
- Sweden
- Prior art keywords
- mat
- wash liquor
- disturbing
- flow
- wash
- Prior art date
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
- D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/447,960 US4491501A (en) | 1982-12-08 | 1982-12-08 | Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to disrupt and rearrange the interstitial pore matrix |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8306511D0 SE8306511D0 (sv) | 1983-11-25 |
SE8306511L true SE8306511L (sv) | 1984-06-09 |
SE461990B SE461990B (sv) | 1990-04-23 |
Family
ID=23778448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8306511A SE461990B (sv) | 1982-12-08 | 1983-11-25 | Metod och apparat foer tvaettning av pappersmassa |
Country Status (4)
Country | Link |
---|---|
US (1) | US4491501A (sv) |
CA (1) | CA1225267A (sv) |
FI (1) | FI75005C (sv) |
SE (1) | SE461990B (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4670099A (en) * | 1983-02-04 | 1987-06-02 | Lavalley Industrial Plastics, Inc. | Method and apparatus for washing a mat of pulp stock on a drum filter |
US4719772A (en) * | 1985-02-21 | 1988-01-19 | Michael Scheck | Apparatus for removing ink particles from paper products |
US4680088A (en) * | 1985-02-21 | 1987-07-14 | Michael Scheck | Process for removing ink particles from paper products |
FI74752C (sv) * | 1986-03-20 | 1992-12-01 | Ahlstroem Oy | Förfarande och anordning för tvättning av cellulosa |
JPH089838B2 (ja) * | 1987-07-08 | 1996-01-31 | エイ.アフルストロム コ−ポレ−ション | 繊維懸濁液を濃化する方法と装置 |
US5156750A (en) * | 1987-07-08 | 1992-10-20 | A. Ahlstrom Corporation | Method and apparatus for thickening a fiber suspension and removing fine particles therefrom |
US4986881A (en) * | 1989-06-28 | 1991-01-22 | Kamyr, Inc. | Method and apparatus for liquid treatment of and liquid extraction on a paper pulp |
US5266168A (en) * | 1991-12-20 | 1993-11-30 | The Black Clawson Company | Gravity type pulp washer or thickener with rotating disrupters |
US5965017A (en) * | 1997-07-15 | 1999-10-12 | Paper Inc. | Sealed shower system for rotary vacuum filter |
FI118277B (sv) | 2002-03-25 | 2007-09-14 | Environics Oy | Cellstruktur, instrument och metod |
US20040060674A1 (en) * | 2002-10-01 | 2004-04-01 | George Seymour | Method for measuring the percent consistency of pulp leaving a blow tank |
DE102004033328A1 (de) * | 2004-07-09 | 2006-02-09 | Bhs-Sonthofen Gmbh | Filter mit Feststoff-Resuspendierung |
SE528722C2 (sv) * | 2005-06-03 | 2007-01-30 | Metso Paper Inc | Anordning för behandling av cellulosamassa i en tvättapparat anordnad med en förstärkande spant |
SE542326C2 (en) * | 2018-06-21 | 2020-04-14 | Valmet Oy | Vacuum filter |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3032100A (en) * | 1958-12-31 | 1962-05-01 | Schibbye Lauritz Benedictus | Device for even spreading of water onto a running web, particularly a cellulosic pulp web |
GB1010296A (en) * | 1961-08-25 | 1965-11-17 | Eimco Corp | Improvements in or relating to aqueous caustic soda production |
US3363774A (en) * | 1965-04-12 | 1968-01-16 | Improved Machinery Inc | Rotary drum filter |
US3409139A (en) * | 1965-09-03 | 1968-11-05 | Dorr Oliver Inc | Rotary-vacuum filter drum and suction box arrangement |
US3403786A (en) * | 1966-08-25 | 1968-10-01 | Improved Machinery Inc | Rotary drum filter |
US3487941A (en) * | 1967-05-10 | 1970-01-06 | Pertti Olavi Haapamaki | Pressure washer |
SE406944B (sv) * | 1976-04-14 | 1979-03-05 | Mo Och Domsjoe Ab | Forfarande for att reglera tillsatsen av suspensinsvetska vid kontinuerlig tvettning av suspensioner |
US4297164A (en) * | 1980-03-10 | 1981-10-27 | Weyerhaeuser Company | Process for displacement washing of porous media |
-
1982
- 1982-12-08 US US06/447,960 patent/US4491501A/en not_active Expired - Fee Related
-
1983
- 1983-11-25 SE SE8306511A patent/SE461990B/sv not_active IP Right Cessation
- 1983-12-05 CA CA000442550A patent/CA1225267A/en not_active Expired
- 1983-12-05 FI FI834460A patent/FI75005C/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4491501A (en) | 1985-01-01 |
FI75005C (sv) | 1988-04-11 |
FI834460A (fi) | 1984-06-09 |
SE461990B (sv) | 1990-04-23 |
CA1225267A (en) | 1987-08-11 |
FI75005B (fi) | 1987-12-31 |
SE8306511D0 (sv) | 1983-11-25 |
FI834460A0 (fi) | 1983-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8306511-0 Effective date: 19930610 Format of ref document f/p: F |