SE522859C2 - Förfarande och anordning för avvattning och tvättning av fibermaterial - Google Patents
Förfarande och anordning för avvattning och tvättning av fibermaterialInfo
- Publication number
- SE522859C2 SE522859C2 SE9700531A SE9700531A SE522859C2 SE 522859 C2 SE522859 C2 SE 522859C2 SE 9700531 A SE9700531 A SE 9700531A SE 9700531 A SE9700531 A SE 9700531A SE 522859 C2 SE522859 C2 SE 522859C2
- Authority
- SE
- Sweden
- Prior art keywords
- fibrous material
- filter
- washing
- dewatering
- filtrate
- Prior art date
Links
- 239000002657 fibrous material Substances 0.000 title claims abstract description 73
- 238000005406 washing Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000706 filtrate Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 19
- 238000011161 development Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
- B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
- B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- 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
-
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Treatment Of Fiber Materials (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0158194A AT401014B (de) | 1994-08-16 | 1994-08-16 | Verfahren und vorrichtung zum eindicken bzw. zur wäsche von faserstoff |
| PCT/EP1995/002089 WO1996005363A1 (de) | 1994-08-16 | 1995-06-01 | Verfahren und vorrichtung zum eindicken bzw. zur wäsche von faserstoffen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9700531D0 SE9700531D0 (sv) | 1997-02-14 |
| SE9700531L SE9700531L (sv) | 1997-02-14 |
| SE522859C2 true SE522859C2 (sv) | 2004-03-09 |
Family
ID=3516513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9700531A SE522859C2 (sv) | 1994-08-16 | 1997-02-14 | Förfarande och anordning för avvattning och tvättning av fibermaterial |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT401014B (de) |
| AU (1) | AU2673295A (de) |
| FI (1) | FI970309A7 (de) |
| SE (1) | SE522859C2 (de) |
| WO (1) | WO1996005363A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3416668A (en) * | 1967-08-23 | 1968-12-17 | D & S Engineering Internat Ltd | Table filter washer |
| US4056473A (en) * | 1976-05-25 | 1977-11-01 | Bjarne Ivar Nilsson | Rotary filter for concentrating fiber suspensions |
| US4217170A (en) * | 1977-11-18 | 1980-08-12 | Ingersoll-Rand Company | Pulp washer discharging a low consistency pulp slurry |
| JPS5512808A (en) * | 1978-07-03 | 1980-01-29 | Seichiyou Kikai Kk | Drum shaped disc filter in paper making |
| CA1255949A (en) * | 1984-01-06 | 1989-06-20 | A. Bruce Hunter | Washing of papermaking pulp stock |
| SE445655B (sv) * | 1984-11-23 | 1986-07-07 | Hedemora Ab | Roterande skivfilter |
| FI71961C (fi) * | 1985-10-31 | 1987-03-09 | Enso Gutzeit Oy | Anordning foer tvaettning av cellulosa. |
| US5192454A (en) * | 1987-11-05 | 1993-03-09 | A. Ahlstrom Corporation | Method for treating fiber suspension |
| SE461317B (sv) * | 1988-02-03 | 1990-02-05 | Bjarne Nilsson | Urvattnare |
| WO1991012063A1 (en) * | 1990-02-16 | 1991-08-22 | Ingenjörsfirman R. Frykhult Ab | An apparatus for filtering suspensions and a method of operating the apparatus |
| AT397213B (de) * | 1992-08-12 | 1994-02-25 | Andritz Patentverwaltung | Verfahren und anlage zur rückgewinnung von feststoffen |
-
1994
- 1994-08-16 AT AT0158194A patent/AT401014B/de not_active IP Right Cessation
-
1995
- 1995-06-01 AU AU26732/95A patent/AU2673295A/en not_active Abandoned
- 1995-06-01 WO PCT/EP1995/002089 patent/WO1996005363A1/de not_active Ceased
-
1997
- 1997-01-24 FI FI970309A patent/FI970309A7/fi unknown
- 1997-02-14 SE SE9700531A patent/SE522859C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT401014B (de) | 1996-05-28 |
| AU2673295A (en) | 1996-03-07 |
| SE9700531D0 (sv) | 1997-02-14 |
| FI970309A0 (fi) | 1997-01-24 |
| FI970309A7 (fi) | 1997-01-24 |
| ATA158194A (de) | 1995-10-15 |
| SE9700531L (sv) | 1997-02-14 |
| WO1996005363A1 (de) | 1996-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed | ||
| NUG | Patent has lapsed |