ATA246489A - Verfahren zum stabilisieren der druck- und stroemungsbedingungen in einer siebvorrichtung und vorrichtung zur durchfuehrung des verfahrens - Google Patents
Verfahren zum stabilisieren der druck- und stroemungsbedingungen in einer siebvorrichtung und vorrichtung zur durchfuehrung des verfahrensInfo
- Publication number
- ATA246489A ATA246489A AT0246489A AT246489A ATA246489A AT A246489 A ATA246489 A AT A246489A AT 0246489 A AT0246489 A AT 0246489A AT 246489 A AT246489 A AT 246489A AT A246489 A ATA246489 A AT A246489A
- Authority
- AT
- Austria
- Prior art keywords
- stabilizing
- implementing
- pressure
- flow conditions
- screening device
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
-
- 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
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/0108—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements
- B01D33/0116—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with bag, cage, hose, tube, sleeve or the like filtering elements arranged for inward flow filtration
-
- 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
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- 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
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
-
- 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
- B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
-
- 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
- D21C9/04—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in diffusers ; Washing of pulp of fluid consistency without substantially thickening
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/023—Stationary screen-drums
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- General Induction Heating (AREA)
- Incineration Of Waste (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8804082A SE462435B (sv) | 1988-11-11 | 1988-11-11 | Saett att stabilisera tryck- och floedesfoerhaallandena i en silapparat och silapparat haerfoer |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA246489A true ATA246489A (de) | 1993-05-15 |
AT396950B AT396950B (de) | 1993-12-27 |
Family
ID=20373916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0246489A AT396950B (de) | 1988-11-11 | 1989-10-25 | Verfahren zum stabilisieren der druck- und strömungsbedingungen in einer siebvorrichtung und vorrichtung zur durchführung des verfahrens |
Country Status (10)
Country | Link |
---|---|
US (2) | US5020178A (de) |
JP (1) | JP2878339B2 (de) |
AT (1) | AT396950B (de) |
BR (1) | BR8905775A (de) |
CA (1) | CA1318865C (de) |
DE (1) | DE3934582A1 (de) |
FI (1) | FI94366C (de) |
FR (1) | FR2639050B1 (de) |
NO (1) | NO172252C (de) |
SE (1) | SE462435B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5129119A (en) * | 1991-04-09 | 1992-07-14 | Glentech Inc. | Diffuser efficiency |
US5567262A (en) * | 1991-04-16 | 1996-10-22 | Ahlstrom Machinery Inc. | Two stage pressure diffuser |
US5567279A (en) * | 1991-04-16 | 1996-10-22 | Ahlstrom Machinery Inc. | Variable stage pressure diffuser |
US5187956A (en) * | 1991-06-20 | 1993-02-23 | Kamyr, Inc. | Preventing clogging in pressure diffusers |
SE502440C2 (sv) * | 1994-02-04 | 1995-10-16 | Kvaerner Pulping Tech | Apparat för behandling av massa av cellulosahaltigt fibermaterial med en behandlingsvätska |
US5567461A (en) * | 1994-05-09 | 1996-10-22 | Robert Lehrer Associates, Inc. | Method of treating fluids with a filter |
US5444884A (en) * | 1994-07-15 | 1995-08-29 | Kamyr, Inc. | Controlling screen backflush and wash distribution in a pressure diffuser |
SE509152C2 (sv) * | 1997-04-07 | 1998-12-07 | Kvaerner Pulping Tech | Diffusör med flytkropp |
JP5757700B2 (ja) * | 2009-08-03 | 2015-07-29 | アンドリッツ・テクノロジー・アンド・アセット・マネージメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | プレッシャーディフューザーの内部ガイド |
FI130499B (en) * | 2021-03-25 | 2023-10-10 | Metsae Fibre Oy | Method and device for treating mixtures of liquids and solids |
US20240240401A1 (en) * | 2023-01-13 | 2024-07-18 | Andritz Inc. | Pressure diffuser lower bearing |
CN116446212B (zh) * | 2023-06-14 | 2023-09-01 | 山西云冈纸业有限公司 | 一种流浆网前振框筛 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE394822B (sv) * | 1975-04-15 | 1977-07-11 | Kamyr Ab | Sett och anordning for avvattning av suspensioner i rorelse |
SE435400B (sv) * | 1980-01-10 | 1984-09-24 | Kamyr Ab | Silanordning for avdrag av vetska fran suspensioner i rorelse |
FI68686C (fi) * | 1980-01-10 | 1985-10-10 | Kamyr Ab | Anordning foer behandling av stroemmande suspensioner |
CA1173603A (en) * | 1980-12-31 | 1984-09-04 | Kamyr, Ab | Pressure diffuser controlling |
US4793161A (en) * | 1987-11-27 | 1988-12-27 | Kamyr Ab | Effective diffuser/thickener screen backflushing |
US4908896A (en) * | 1987-11-27 | 1990-03-20 | Kamyr Ab | Backflushing pressure diffuser screens |
-
1988
- 1988-11-11 SE SE8804082A patent/SE462435B/sv unknown
-
1989
- 1989-09-28 CA CA000614184A patent/CA1318865C/en not_active Expired - Fee Related
- 1989-10-17 DE DE3934582A patent/DE3934582A1/de active Granted
- 1989-10-18 US US07/423,245 patent/US5020178A/en not_active Expired - Lifetime
- 1989-10-25 AT AT0246489A patent/AT396950B/de not_active IP Right Cessation
- 1989-11-07 JP JP1288065A patent/JP2878339B2/ja not_active Expired - Fee Related
- 1989-11-07 FI FI895280A patent/FI94366C/fi active IP Right Grant
- 1989-11-08 FR FR898914678A patent/FR2639050B1/fr not_active Expired - Fee Related
- 1989-11-10 NO NO894502A patent/NO172252C/no not_active IP Right Cessation
- 1989-11-13 BR BR898905775A patent/BR8905775A/pt not_active IP Right Cessation
-
1990
- 1990-08-23 US US07/571,120 patent/US5044179A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02216291A (ja) | 1990-08-29 |
FR2639050A1 (fr) | 1990-05-18 |
FR2639050B1 (fr) | 1992-11-27 |
JP2878339B2 (ja) | 1999-04-05 |
DE3934582A1 (de) | 1990-05-17 |
US5020178A (en) | 1991-06-04 |
NO894502L (no) | 1990-05-14 |
BR8905775A (pt) | 1990-06-12 |
FI94366B (fi) | 1995-05-15 |
FI94366C (fi) | 1995-08-25 |
NO172252B (no) | 1993-03-15 |
CA1318865C (en) | 1993-06-08 |
SE462435B (sv) | 1990-06-25 |
NO894502D0 (no) | 1989-11-10 |
NO172252C (no) | 1993-06-23 |
AT396950B (de) | 1993-12-27 |
US5044179A (en) | 1991-09-03 |
SE8804082L (sv) | 1990-05-12 |
SE8804082D0 (sv) | 1988-11-11 |
DE3934582C2 (de) | 1992-01-16 |
FI895280A0 (fi) | 1989-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EFA | Change in the company name | ||
ELJ | Ceased due to non-payment of the annual fee |