DE69224797D1 - Stufenveränderbarer Druckdiffusor - Google Patents
Stufenveränderbarer DruckdiffusorInfo
- Publication number
- DE69224797D1 DE69224797D1 DE69224797T DE69224797T DE69224797D1 DE 69224797 D1 DE69224797 D1 DE 69224797D1 DE 69224797 T DE69224797 T DE 69224797T DE 69224797 T DE69224797 T DE 69224797T DE 69224797 D1 DE69224797 D1 DE 69224797D1
- Authority
- DE
- Germany
- Prior art keywords
- vessel
- headers
- liquid
- screen
- baffle
- 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 - Lifetime
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
-
- 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
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/40—Washing the fibres
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Extraction Or Liquid Replacement (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Fertilizers (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Crushing And Grinding (AREA)
- Mechanical Operated Clutches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/801,651 US5567279A (en) | 1991-04-16 | 1991-12-02 | Variable stage pressure diffuser |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69224797D1 true DE69224797D1 (de) | 1998-04-23 |
Family
ID=25181696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69224797T Expired - Lifetime DE69224797D1 (de) | 1991-12-02 | 1992-12-01 | Stufenveränderbarer Druckdiffusor |
Country Status (5)
Country | Link |
---|---|
US (1) | US5567279A (de) |
EP (1) | EP0545888B1 (de) |
AT (1) | ATE164194T1 (de) |
DE (1) | DE69224797D1 (de) |
FI (1) | FI107458B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6010594A (en) * | 1993-03-03 | 2000-01-04 | Ahlstrom Machinery Corporation | Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage |
WO1998033972A1 (en) * | 1997-01-31 | 1998-08-06 | Ahlstrom Machinery Oy | Feeding of washing liquid in a pulp washer |
SE509152C2 (sv) * | 1997-04-07 | 1998-12-07 | Kvaerner Pulping Tech | Diffusör med flytkropp |
US6272710B1 (en) | 1998-05-07 | 2001-08-14 | James R. Prough | Plate diffuser for treating comminuted cellulosic fibrous material |
US20030217822A1 (en) * | 2002-05-24 | 2003-11-27 | John Weston | Pressure diffuser having gas vent for cooking liquor |
US8157956B2 (en) * | 2008-12-23 | 2012-04-17 | Andritz Inc. | Cylindrical bearing for pressure diffuser and associated method |
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 |
US9333468B2 (en) | 2012-09-24 | 2016-05-10 | Abengoa Bioenergy New Technologies, Llc | Soak vessels and methods for impregnating biomass with liquid |
US8888958B2 (en) * | 2012-12-31 | 2014-11-18 | Andritz Inc. | Pressure diffuser with an annular baffle screen plate over water inlet |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3807202A (en) * | 1969-09-30 | 1974-04-30 | K Gunkel | Continuous washing apparatus for pulp stock and the like |
SE415202B (sv) * | 1976-12-06 | 1980-09-15 | Sunds Ab | Anordning for koncentrering och/eller vetskebehandling av vetskehaltiga emnesblandningar |
US4547264A (en) * | 1979-02-12 | 1985-10-15 | Kamyr, Inc. | Method of withdrawing liquid from a pair of vertically spaced annular screens |
US4375410A (en) * | 1979-04-25 | 1983-03-01 | Kamyr Ab | Reciprocating diffuser arrangements in an elongated vessel |
FI68686C (fi) * | 1980-01-10 | 1985-10-10 | Kamyr Ab | Anordning foer behandling av stroemmande suspensioner |
SE462435B (sv) * | 1988-11-11 | 1990-06-25 | Kamyr Ab | Saett att stabilisera tryck- och floedesfoerhaallandena i en silapparat och silapparat haerfoer |
-
1991
- 1991-12-02 US US07/801,651 patent/US5567279A/en not_active Expired - Lifetime
-
1992
- 1992-11-27 FI FI925394A patent/FI107458B/fi not_active IP Right Cessation
- 1992-12-01 AT AT92890253T patent/ATE164194T1/de not_active IP Right Cessation
- 1992-12-01 EP EP92890253A patent/EP0545888B1/de not_active Expired - Lifetime
- 1992-12-01 DE DE69224797T patent/DE69224797D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI925394A (fi) | 1993-06-03 |
EP0545888B1 (de) | 1998-03-18 |
FI925394A0 (fi) | 1992-11-27 |
ATE164194T1 (de) | 1998-04-15 |
US5567279A (en) | 1996-10-22 |
FI107458B (fi) | 2001-08-15 |
EP0545888A1 (de) | 1993-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |