FI930543A0 - Laite massan käsittelemiseksi - Google Patents
Laite massan käsittelemiseksiInfo
- Publication number
- FI930543A0 FI930543A0 FI930543A FI930543A FI930543A0 FI 930543 A0 FI930543 A0 FI 930543A0 FI 930543 A FI930543 A FI 930543A FI 930543 A FI930543 A FI 930543A FI 930543 A0 FI930543 A0 FI 930543A0
- Authority
- FI
- Finland
- Prior art keywords
- pct
- pulp
- date aug
- sec
- disc filter
- Prior art date
Links
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
-
- 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
- B01D33/80—Accessories
- B01D33/82—Means for pressure distribution
-
- 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
- Y10S162/00—Paper making and fiber liberation
- Y10S162/903—Paper forming member, e.g. fourdrinier, sheet forming member
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Paper (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI930543A FI91938C (fi) | 1993-02-09 | 1993-02-09 | Laite massan käsittelemiseksi |
JP6517694A JPH08506626A (ja) | 1993-02-09 | 1994-02-03 | パルプを処理する装置 |
DE69410239T DE69410239T2 (de) | 1993-02-09 | 1994-02-03 | Mehrstufiger scheibenfilter |
US08/491,856 US5641402A (en) | 1993-02-09 | 1994-02-03 | Multistage disc filter |
EP94905738A EP0683686B1 (en) | 1993-02-09 | 1994-02-03 | Multistage disc filter |
AT94905738T ATE165997T1 (de) | 1993-02-09 | 1994-02-03 | Mehrstufiger scheibenfilter |
CA002155652A CA2155652A1 (en) | 1993-02-09 | 1994-02-03 | Multistage disc filter |
PCT/FI1994/000049 WO1994017893A1 (en) | 1993-02-09 | 1994-02-03 | Multistage disc filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI930543 | 1993-02-09 | ||
FI930543A FI91938C (fi) | 1993-02-09 | 1993-02-09 | Laite massan käsittelemiseksi |
Publications (3)
Publication Number | Publication Date |
---|---|
FI930543A0 true FI930543A0 (fi) | 1993-02-09 |
FI91938B FI91938B (fi) | 1994-05-31 |
FI91938C FI91938C (fi) | 1994-09-12 |
Family
ID=8537245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI930543A FI91938C (fi) | 1993-02-09 | 1993-02-09 | Laite massan käsittelemiseksi |
Country Status (8)
Country | Link |
---|---|
US (1) | US5641402A (fi) |
EP (1) | EP0683686B1 (fi) |
JP (1) | JPH08506626A (fi) |
AT (1) | ATE165997T1 (fi) |
CA (1) | CA2155652A1 (fi) |
DE (1) | DE69410239T2 (fi) |
FI (1) | FI91938C (fi) |
WO (1) | WO1994017893A1 (fi) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6939466B2 (en) * | 1998-08-17 | 2005-09-06 | Cuno Incorporated | Graded particle-size retention filter medium for fluid filtration unit with improved edge seal |
US6712966B1 (en) | 1999-02-04 | 2004-03-30 | Cuno Incorporated | Graded particle-size retention filter medium for cell-type filter unit |
US20040118766A1 (en) * | 2000-02-03 | 2004-06-24 | Pulek John L. | Graded particle-size retention filter medium for cell-type filter unit |
US6306307B1 (en) | 2000-03-07 | 2001-10-23 | Fielding Chemical Technologies, Inc. | Pervaporation apparatus and method |
FI122775B (fi) * | 2004-09-07 | 2012-06-29 | Andritz Oy | Laite ja menetelmä massan käsittelemiseksi |
FI20041518A (fi) | 2004-11-25 | 2006-05-26 | Andritz Oy | Menetelmä ja laite meesan käsittelemiseksi |
WO2011078749A1 (en) * | 2009-12-23 | 2011-06-30 | Metso Paper Sweden Ab | Method and system for washing lime mud |
DE102010043900A1 (de) | 2010-11-15 | 2012-05-16 | Voith Patent Gmbh | Scheibenfilter |
WO2014011089A1 (en) * | 2012-07-09 | 2014-01-16 | Metso Paper Sweden Ab | Method and apparatus for obtaining strong white liquor and lime mud with low residual alkali level |
US10729994B2 (en) * | 2015-12-03 | 2020-08-04 | Veolia Water Solutions & Technologies Support | Rotary disc filter |
DE202016002986U1 (de) | 2016-05-07 | 2016-05-30 | Voith Patent Gmbh | Scheibenfilter |
US11000791B2 (en) * | 2019-03-06 | 2021-05-11 | Veolia Water Solutions & Technologies Support | Rotary disc filter having backwash guides |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2027652A (en) * | 1935-04-25 | 1936-01-14 | Municipal Sanitary Service Cor | Filter |
US3471026A (en) * | 1966-12-09 | 1969-10-07 | Dorr Oliver Inc | Continuous rotary disc filters |
US3438505A (en) * | 1967-01-27 | 1969-04-15 | Improved Machinery Inc | Filter segment for disc filters |
US3452874A (en) * | 1967-11-02 | 1969-07-01 | Dorr Oliver Inc | Trunnion valve for continuous rotary filters |
US3917534A (en) * | 1974-04-17 | 1975-11-04 | Plastic Tech Inc | Filter sector |
FI55446C (fi) * | 1976-07-02 | 1979-08-10 | Enso Gutzeit Oy | Skivfilter |
US4152267A (en) | 1977-06-08 | 1979-05-01 | Envirotech Corporation | Rotary disc vacuum filter |
US4162982A (en) | 1977-09-06 | 1979-07-31 | American Scanmec, Inc. | Vacuum filter segment with replaceable sector plates |
SE423491B (sv) * | 1979-08-13 | 1982-05-10 | Hedemora Verkstaeder Ab | Sett for avskiljning av filtrerbara partiklar ur en vetskesuspension vid bakvattenrening for pappersmaskiner eller annan rening av avloppsvatten inom cellulosa-, pappers- och boardindustrin |
US4818401A (en) * | 1988-07-18 | 1989-04-04 | Lawrence William J | Rotary filtration device |
-
1993
- 1993-02-09 FI FI930543A patent/FI91938C/fi not_active IP Right Cessation
-
1994
- 1994-02-03 US US08/491,856 patent/US5641402A/en not_active Expired - Lifetime
- 1994-02-03 CA CA002155652A patent/CA2155652A1/en not_active Abandoned
- 1994-02-03 DE DE69410239T patent/DE69410239T2/de not_active Expired - Lifetime
- 1994-02-03 EP EP94905738A patent/EP0683686B1/en not_active Expired - Lifetime
- 1994-02-03 WO PCT/FI1994/000049 patent/WO1994017893A1/en active IP Right Grant
- 1994-02-03 JP JP6517694A patent/JPH08506626A/ja active Pending
- 1994-02-03 AT AT94905738T patent/ATE165997T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69410239D1 (de) | 1998-06-18 |
EP0683686B1 (en) | 1998-05-13 |
WO1994017893A1 (en) | 1994-08-18 |
ATE165997T1 (de) | 1998-05-15 |
FI91938C (fi) | 1994-09-12 |
JPH08506626A (ja) | 1996-07-16 |
US5641402A (en) | 1997-06-24 |
FI91938B (fi) | 1994-05-31 |
EP0683686A1 (en) | 1995-11-29 |
CA2155652A1 (en) | 1994-08-18 |
DE69410239T2 (de) | 1998-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: A. AHLSTROM CORPORATION |
|
BB | Publication of examined application | ||
MM | Patent lapsed |