DE3787089D1 - Verfahren und vorrichtung zum eindicken einer faseraufschwemmung. - Google Patents
Verfahren und vorrichtung zum eindicken einer faseraufschwemmung.Info
- Publication number
- DE3787089D1 DE3787089D1 DE8787118550T DE3787089T DE3787089D1 DE 3787089 D1 DE3787089 D1 DE 3787089D1 DE 8787118550 T DE8787118550 T DE 8787118550T DE 3787089 T DE3787089 T DE 3787089T DE 3787089 D1 DE3787089 D1 DE 3787089D1
- Authority
- DE
- Germany
- Prior art keywords
- pulp
- perforations
- thickening
- screen
- channels
- 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 - Fee Related
Links
- 239000000835 fiber Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000008719 thickening Effects 0.000 title 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000004076 pulp bleaching Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- D21C9/18—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
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/17—Supported filter elements arranged for inward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/25—Supported filter elements arranged for outward flow filtration open-ended the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Food-Manufacturing Devices (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Developing Agents For Electrophotography (AREA)
- Filtration Of Liquid (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Bridges Or Land Bridges (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI865136A FI81137B (fi) | 1986-12-17 | 1986-12-17 | Foerfarande och anordning foer urvattning av fibersuspensioner. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3787089D1 true DE3787089D1 (de) | 1993-09-23 |
DE3787089T2 DE3787089T2 (de) | 1994-01-05 |
Family
ID=8523668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87118550T Expired - Fee Related DE3787089T2 (de) | 1986-12-17 | 1987-12-15 | Verfahren und Vorrichtung zum Eindicken einer Faseraufschwemmung. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4904395A (de) |
EP (1) | EP0274690B1 (de) |
JP (1) | JPH0826518B2 (de) |
AT (1) | ATE93287T1 (de) |
CA (1) | CA1313324C (de) |
DE (1) | DE3787089T2 (de) |
FI (1) | FI81137B (de) |
SU (1) | SU1732819A3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2669192A (en) * | 1991-09-26 | 1993-04-27 | Sunds Defibrator Industries Ab | An arrangement and a method for concentrating a suspension |
SE470444B (sv) * | 1992-08-18 | 1994-03-28 | Sunds Defibrator Ind Ab | Avvattningsanordning innefattande vertikala rörledningar |
FI112385B (fi) * | 1998-09-23 | 2003-11-28 | Andritz Oy | Menetelmä ja laite massan käsittelemiseksi |
EP1140330B1 (de) * | 1998-11-23 | 2005-04-06 | Zenon Environmental Inc. | Wasserfiltration mittels unterwassermembranen |
US20040007527A1 (en) * | 1998-11-23 | 2004-01-15 | Zenon Environmental Inc. | Membrane filtration device and process |
US20010052494A1 (en) * | 1999-10-25 | 2001-12-20 | Pierre Cote | Chemical cleaning backwash for normally immersed membranes |
US20050194315A1 (en) * | 2004-02-27 | 2005-09-08 | Adams Nicholas W.H. | Membrane batch filtration process |
US20060118487A1 (en) * | 2004-12-07 | 2006-06-08 | Adams Nicholas W H | Membrane filtration process |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU59828A1 (ru) * | 1939-05-31 | 1940-11-30 | П.В. Хвиюзов | Аппарат дл сгущени суспензий |
DE1142562B (de) * | 1960-04-22 | 1963-01-24 | Stamicarbon | Abscherklassierer |
US3939075A (en) * | 1970-10-19 | 1976-02-17 | The Bauer Bros. Co. | Thickening apparatus |
SU516210A1 (ru) * | 1974-01-16 | 1976-05-30 | Предприятие П/Я Р-6429 | Фотошаблон |
US4096060A (en) * | 1974-09-16 | 1978-06-20 | Fairchild Incorporated | Method utilizing plug flow for separating solids from liquid |
SE394821B (sv) * | 1975-04-15 | 1977-07-11 | Kamyr Ab | Sett och anordning for avvattning av suspensioner i rorelse |
SE415202B (sv) * | 1976-12-06 | 1980-09-15 | Sunds Ab | Anordning for koncentrering och/eller vetskebehandling av vetskehaltiga emnesblandningar |
US4136035A (en) * | 1977-07-26 | 1979-01-23 | Bogomolov Boris N | Apparatus for dehydration of continuously fed flow of suspension |
GB2009274B (en) * | 1977-09-28 | 1982-11-24 | Reed International Ltd | Process and apparatus for washing fibre stock in the de-inking of paper |
SE435400B (sv) * | 1980-01-10 | 1984-09-24 | Kamyr Ab | Silanordning for avdrag av vetska fran suspensioner i rorelse |
JPH0669530B2 (ja) * | 1983-03-10 | 1994-09-07 | シー.ピー.シー.エンジニアリング コーポレイション | クロスフロ−濾過システムの流束率を向上せしめる方法並びに装置 |
-
1986
- 1986-12-17 FI FI865136A patent/FI81137B/fi not_active Application Discontinuation
-
1987
- 1987-12-09 US US07/130,403 patent/US4904395A/en not_active Expired - Fee Related
- 1987-12-15 EP EP87118550A patent/EP0274690B1/de not_active Expired - Lifetime
- 1987-12-15 AT AT87118550T patent/ATE93287T1/de active
- 1987-12-15 DE DE87118550T patent/DE3787089T2/de not_active Expired - Fee Related
- 1987-12-16 SU SU874355036A patent/SU1732819A3/ru active
- 1987-12-16 CA CA000554458A patent/CA1313324C/en not_active Expired - Fee Related
- 1987-12-17 JP JP62317665A patent/JPH0826518B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0826518B2 (ja) | 1996-03-13 |
EP0274690B1 (de) | 1993-08-18 |
FI865136A (fi) | 1988-06-18 |
DE3787089T2 (de) | 1994-01-05 |
JPS63227883A (ja) | 1988-09-22 |
CA1313324C (en) | 1993-02-02 |
FI865136A0 (fi) | 1986-12-17 |
US4904395A (en) | 1990-02-27 |
FI81137B (fi) | 1990-05-31 |
EP0274690A1 (de) | 1988-07-20 |
ATE93287T1 (de) | 1993-09-15 |
SU1732819A3 (ru) | 1992-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |