ATE54967T1 - Siebsegment fuer filter zum eindicken von fasersuspensionen. - Google Patents
Siebsegment fuer filter zum eindicken von fasersuspensionen.Info
- Publication number
- ATE54967T1 ATE54967T1 AT88101672T AT88101672T ATE54967T1 AT E54967 T1 ATE54967 T1 AT E54967T1 AT 88101672 T AT88101672 T AT 88101672T AT 88101672 T AT88101672 T AT 88101672T AT E54967 T1 ATE54967 T1 AT E54967T1
- Authority
- AT
- Austria
- Prior art keywords
- screen
- thickening
- carriers
- filters
- fiber suspensions
- Prior art date
Links
- 239000000725 suspension Substances 0.000 title abstract 2
- 230000008719 thickening Effects 0.000 title abstract 2
- 239000000969 carrier Substances 0.000 abstract 3
- 239000000835 fiber Substances 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
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
-
- 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
-
- 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
- D21D5/04—Flat screens
- D21D5/046—Rotary screens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Filtering Materials (AREA)
- Inorganic Fibers (AREA)
- Filtration Of Liquid (AREA)
- Paper (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3706402A DE3706402C1 (de) | 1987-02-27 | 1987-02-27 | Siebsegment fuer Filter zum Eindicken von Fasersuspensionen |
EP88101672A EP0280094B1 (de) | 1987-02-27 | 1988-02-05 | Siebsegment für Filter zum Eindicken von Fasersuspensionen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE54967T1 true ATE54967T1 (de) | 1990-08-15 |
Family
ID=6321947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88101672T ATE54967T1 (de) | 1987-02-27 | 1988-02-05 | Siebsegment fuer filter zum eindicken von fasersuspensionen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4950403A (de) |
EP (1) | EP0280094B1 (de) |
JP (1) | JP2645057B2 (de) |
AT (1) | ATE54967T1 (de) |
CA (1) | CA1324344C (de) |
DE (2) | DE3706402C1 (de) |
FI (1) | FI85341C (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5254250A (en) * | 1991-05-30 | 1993-10-19 | Membrex, Inc. | Rotary filtration device and filter pack therefor |
US5679249A (en) * | 1991-12-24 | 1997-10-21 | Pall Corporation | Dynamic filter system |
US6117322A (en) * | 1993-06-23 | 2000-09-12 | Pall Corporation | Dynamic filter system |
AT401069B (de) * | 1993-06-23 | 1996-06-25 | Leripa Kunststoff Gmbh & Co Kg | Randabdichtung für entwässerungselemente |
AT403064B (de) * | 1995-09-15 | 1997-11-25 | Andritz Patentverwaltung | Scheibenfilter zum abtrennen von flüssigkeiten aus einer suspension, insbesondere faserstoffsuspension |
US5707517A (en) * | 1995-11-27 | 1998-01-13 | Membrex, Inc. | Immersible rotary disc filtration device |
US6260710B1 (en) | 1996-08-20 | 2001-07-17 | Buhler Ag | Flat sifter |
US5766472A (en) * | 1996-10-29 | 1998-06-16 | Illinois Tool Works Inc. | Method and apparatus for a filter assembly |
DE19706601C1 (de) * | 1997-02-20 | 1998-11-12 | Buehler Ag | Siebrahmen für Plansichter und Verfahren zu dessen Herstellung |
US6675975B1 (en) * | 1997-03-01 | 2004-01-13 | United Wire Limited | Filtering screen and support frame therefor |
US5993674A (en) * | 1998-02-24 | 1999-11-30 | Membrex, Inc. | Rotary disc filtration device with means to reduce axial forces |
DE29815096U1 (de) | 1998-08-22 | 1998-11-05 | Schwarzkopf, Josef, 94508 Schöllnach | Filtereinrichtung |
DE29815098U1 (de) | 1998-08-22 | 1998-11-05 | Schwarzkopf, Josef, 94508 Schöllnach | Filtereinrichtung |
US6305549B1 (en) * | 1999-07-06 | 2001-10-23 | Southwestern Wire Cloth, Inc. | Vibrating screen assembly of dissimilar materials |
US20010050250A1 (en) | 1999-09-14 | 2001-12-13 | Olli Hognabba | Corrosion-resistant filter element |
SE526692E (sv) * | 2003-02-27 | 2013-07-16 | Veolia Water Solutions & Tech | Modul för uppbyggnad av skivfilter |
AT412259B (de) * | 2003-06-04 | 2004-12-27 | Andritz Ag Maschf | Verfahren zum herstellen eines sektorförmigen filterelements und filterelement |
US20050027006A1 (en) | 2003-07-28 | 2005-02-03 | Reuben Matalon | Methods and materials for treating conditions associated with metabolic disorders |
WO2007061447A2 (en) * | 2005-11-15 | 2007-05-31 | Sefar Filtration Inc. | Disposable pre-tensioned sieve frame and method of making same |
EP1872843A1 (de) * | 2006-06-26 | 2008-01-02 | Hydrotech Veolia Water Systems Aktiebolag | Filterrahmen für einen Scheibenfilter |
WO2008021270A2 (en) * | 2006-08-14 | 2008-02-21 | Siemens Water Technologies Corp. | High flow disc filter |
US8801929B2 (en) | 2007-07-18 | 2014-08-12 | Evoqua Water Technologies Llc | Trash tolerant filter support for a disc filter |
US8118175B2 (en) | 2007-07-18 | 2012-02-21 | Siemens Industry, Inc. | Venting device for a disc filter |
KR20100136989A (ko) * | 2008-03-28 | 2010-12-29 | 지멘스 워터 테크놀로지스 코포레이션 | 호기성 및 혐기성 하이브리드 폐수 및 슬러지 처리 시스템 및 방법 |
US8894856B2 (en) | 2008-03-28 | 2014-11-25 | Evoqua Water Technologies Llc | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
US9359236B2 (en) | 2010-08-18 | 2016-06-07 | Evoqua Water Technologies Llc | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
SE535159C2 (sv) | 2010-09-02 | 2012-05-02 | Veolia Water Solutions & Tech | Förfarande för att tillverka ett filtersegment till ett skivfilter samt filtersegmentet |
CN102614703A (zh) * | 2011-01-31 | 2012-08-01 | 江苏博思达环保科技有限公司 | 转盘过滤器用盘片 |
CN103917281B (zh) * | 2011-08-29 | 2016-02-17 | 奥维沃卢森堡公司 | 带有轻量化框架的过滤器节段 |
DE102012222400A1 (de) | 2012-12-06 | 2014-06-26 | BSH Bosch und Siemens Hausgeräte GmbH | Scheibenfilterplatte mit Trägerelement |
AU2014262972B2 (en) | 2013-05-06 | 2017-09-28 | Evoqua Water Technologies Llc | Wastewater biosorption with dissolved air flotation |
ES2857700T3 (es) | 2014-06-05 | 2021-09-29 | Evoqua Water Tech Llc | Panel de filtrado y método de fabricación del mismo |
TN2017000537A1 (en) * | 2015-07-03 | 2019-04-12 | Gaudfrin | Sector having progressive thickness |
US10888807B2 (en) | 2016-08-12 | 2021-01-12 | Evoqua Water Technologies Llc | Disc filter pre-screen dual media disc filter |
US11255046B2 (en) * | 2016-10-17 | 2022-02-22 | Andritz Oy | Screen assembly for pulp digesters and other treatment vessels in pulp production |
SE540721C2 (en) | 2017-06-02 | 2018-10-23 | Nordic Water Prod Ab | Filter element for use in a filter disc |
CN107227649A (zh) * | 2017-06-13 | 2017-10-03 | 太仓市宇航造纸机械厂 | 一种造纸用双层过滤网 |
US11000791B2 (en) * | 2019-03-06 | 2021-05-11 | Veolia Water Solutions & Technologies Support | Rotary disc filter having backwash guides |
US20220347603A1 (en) * | 2021-04-30 | 2022-11-03 | Pall Corporation | Filter disk segments |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1685085A (en) * | 1924-02-01 | 1928-09-25 | United Filters Corp | Dewatering apparatus |
US1746409A (en) * | 1926-12-06 | 1930-02-11 | Oliver United Filters Inc | Filter leaf |
US1767078A (en) * | 1927-11-29 | 1930-06-24 | Johnson John | Screen for filter presses |
US2444147A (en) * | 1945-03-15 | 1948-06-29 | Air Maze Corp | Liquid filter element |
US2682205A (en) * | 1949-06-28 | 1954-06-29 | Bertram J Vincent | Screen plate for papermaking machines |
US2964194A (en) * | 1957-04-17 | 1960-12-13 | Dorr Oliver Inc | Filter construction |
US3610419A (en) * | 1969-06-09 | 1971-10-05 | Improved Machinery Inc | Filter leaf |
US3679061A (en) * | 1970-06-15 | 1972-07-25 | Envirotech Corp | Molded filter leaf |
US3917534A (en) * | 1974-04-17 | 1975-11-04 | Plastic Tech Inc | Filter sector |
FR2375893A1 (fr) * | 1976-12-31 | 1978-07-28 | Eurogest | Boitier pour filtre a air, et filtre a air equipe d'un tel boitier |
US4077887A (en) * | 1977-05-17 | 1978-03-07 | Sigmund Coll Langvik | Filter disc for vacuum filter system |
US4330405A (en) * | 1980-09-29 | 1982-05-18 | Davis Kent L | Vacuum disc filter |
NL8400662A (nl) * | 1984-03-01 | 1985-10-01 | Amafilter Bv | Schijfvormig filterelement. |
SE453158B (sv) * | 1985-02-20 | 1988-01-18 | Bjarne Nilsson | Skivfilterelement for ett roterbart skivfilter |
-
1987
- 1987-02-27 DE DE3706402A patent/DE3706402C1/de not_active Expired
-
1988
- 1988-02-05 AT AT88101672T patent/ATE54967T1/de not_active IP Right Cessation
- 1988-02-05 EP EP88101672A patent/EP0280094B1/de not_active Expired - Lifetime
- 1988-02-05 DE DE8888101672T patent/DE3860346D1/de not_active Expired - Fee Related
- 1988-02-10 US US07/154,634 patent/US4950403A/en not_active Expired - Lifetime
- 1988-02-12 CA CA000558817A patent/CA1324344C/en not_active Expired - Fee Related
- 1988-02-12 FI FI880649A patent/FI85341C/fi not_active IP Right Cessation
- 1988-02-26 JP JP63042395A patent/JP2645057B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1324344C (en) | 1993-11-16 |
JP2645057B2 (ja) | 1997-08-25 |
FI85341B (fi) | 1991-12-31 |
FI85341C (fi) | 1992-04-10 |
EP0280094A2 (de) | 1988-08-31 |
US4950403A (en) | 1990-08-21 |
FI880649A0 (fi) | 1988-02-12 |
EP0280094A3 (en) | 1989-03-01 |
EP0280094B1 (de) | 1990-07-25 |
DE3860346D1 (de) | 1990-08-30 |
DE3706402C1 (de) | 1988-07-07 |
JPS63219691A (ja) | 1988-09-13 |
FI880649A (fi) | 1988-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |