SE504574C2 - Förfarande och anordning för filtrering av en suspension i diskontinuerligt arbetande tryckfilter - Google Patents
Förfarande och anordning för filtrering av en suspension i diskontinuerligt arbetande tryckfilterInfo
- Publication number
- SE504574C2 SE504574C2 SE9403052A SE9403052A SE504574C2 SE 504574 C2 SE504574 C2 SE 504574C2 SE 9403052 A SE9403052 A SE 9403052A SE 9403052 A SE9403052 A SE 9403052A SE 504574 C2 SE504574 C2 SE 504574C2
- Authority
- SE
- Sweden
- Prior art keywords
- filter elements
- pressure vessel
- filter
- equipment according
- backwash liquid
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000725 suspension Substances 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000000706 filtrate Substances 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 12
- 238000011001 backwashing Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000011085 pressure filtration Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 10
- 239000002184 metal Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- 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
- B01D29/114—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 arranged for inward flow filtration
-
- 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
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—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
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
- B01D29/925—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate containing liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0469—Filter tubes connected to collector tubes
- B01D2201/0476—Filter tubes connected to collector tubes mounted substantially vertically on collector tubes at the lower side of the filter elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatment Of Sludge (AREA)
- Glass Compositions (AREA)
- Filtering Materials (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403052A SE504574C2 (sv) | 1994-09-13 | 1994-09-13 | Förfarande och anordning för filtrering av en suspension i diskontinuerligt arbetande tryckfilter |
| ES95932267T ES2158128T3 (es) | 1994-09-13 | 1995-09-07 | Procedimiento y equipo para filtracion. |
| EP95932267A EP0781160B1 (en) | 1994-09-13 | 1995-09-07 | Process and equipment for filtration |
| PT95932267T PT781160E (pt) | 1994-09-13 | 1995-09-07 | Processo e equipamento para filtragem |
| AT95932267T ATE199657T1 (de) | 1994-09-13 | 1995-09-07 | Verfahren und vorrichtung zur filtration |
| PCT/SE1995/001002 WO1996008300A1 (en) | 1994-09-13 | 1995-09-07 | Process and equipment for filtration |
| US08/793,996 US5972228A (en) | 1994-09-13 | 1995-09-07 | Filters employing "filling bodies" to reduce the amount of backwashing fluid remaining in the filters after backwashing |
| DE69520363T DE69520363D1 (de) | 1994-09-13 | 1995-09-07 | Verfahren und vorrichtung zur filtration |
| CA002198849A CA2198849A1 (en) | 1994-09-13 | 1995-09-07 | Process and equipment for filtration |
| AU35361/95A AU3536195A (en) | 1994-09-13 | 1995-09-07 | Process and equipment for filtration |
| JP8510102A JPH10505540A (ja) | 1994-09-13 | 1995-09-07 | 濾過方法及びその装置 |
| FI971020A FI122097B (fi) | 1994-09-13 | 1997-03-11 | Suodatusprosessi ja -laitteisto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403052A SE504574C2 (sv) | 1994-09-13 | 1994-09-13 | Förfarande och anordning för filtrering av en suspension i diskontinuerligt arbetande tryckfilter |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9403052D0 SE9403052D0 (sv) | 1994-09-13 |
| SE9403052L SE9403052L (sv) | 1996-03-14 |
| SE504574C2 true SE504574C2 (sv) | 1997-03-10 |
Family
ID=20395218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9403052A SE504574C2 (sv) | 1994-09-13 | 1994-09-13 | Förfarande och anordning för filtrering av en suspension i diskontinuerligt arbetande tryckfilter |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5972228A (es) |
| EP (1) | EP0781160B1 (es) |
| JP (1) | JPH10505540A (es) |
| AT (1) | ATE199657T1 (es) |
| AU (1) | AU3536195A (es) |
| CA (1) | CA2198849A1 (es) |
| DE (1) | DE69520363D1 (es) |
| ES (1) | ES2158128T3 (es) |
| FI (1) | FI122097B (es) |
| PT (1) | PT781160E (es) |
| SE (1) | SE504574C2 (es) |
| WO (1) | WO1996008300A1 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6461525B2 (en) | 2000-08-01 | 2002-10-08 | Tetra Process Technologies | Method for backwashing granular media filters and bioreactors |
| US6576146B2 (en) * | 2001-10-05 | 2003-06-10 | Nmw, Incorporated | Filtration element employing improved backwash feature and method of utilizing same |
| US8309711B2 (en) * | 2009-08-07 | 2012-11-13 | Corn Products Development Inc. | Filtration of corn starch followed by washing and collection of the resultant corn starch cake |
| CN104174211A (zh) * | 2014-07-31 | 2014-12-03 | 成都易态科技有限公司 | 液体过滤器的反冲洗系统及用于该系统的反冲洗装置 |
| EP3347312A4 (en) * | 2015-09-10 | 2019-05-22 | 1934612 Ontario Inc. | METHOD AND SYSTEMS FOR DRAINING SOLIDS PARTICLES IN A CONTAMINATED LIQUID MIXTURE |
| WO2018185199A1 (en) | 2017-04-07 | 2018-10-11 | H. Lundbeck A/S | Apparatus and method for isolation and/or preparation of particles |
| EP3806975A1 (en) * | 2018-06-13 | 2021-04-21 | Cargill, Incorporated | Liquid discharge filter and its use |
| US11612837B2 (en) | 2020-09-18 | 2023-03-28 | Pall Corporation | Filter with interconnected hollow elements and method of use |
| US20220088541A1 (en) * | 2020-09-18 | 2022-03-24 | Pall Corporation | Filter with interconnected hollow elements and method of use |
| US20240318514A1 (en) * | 2023-03-21 | 2024-09-26 | Saudi Arabian Oil Company | Systems and methods for operating candle filters to recover glycols from drilling operations |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE153999C1 (es) * | ||||
| CH596872A5 (en) * | 1975-03-20 | 1978-03-31 | Emil A Faude | Filter element with bag open at one end |
| DE2704672A1 (de) * | 1977-02-04 | 1978-08-10 | Georg Hoffmann | Anschwemmfilter |
| DE2828976C2 (de) * | 1978-07-01 | 1983-06-01 | Bergwerksverband Gmbh, 4300 Essen | Anschwemmkerzenfilter-Vorrichtung für Trockenaustrag und Verfahren zur Reinigung der Vorrichtung |
| US4210536A (en) * | 1978-09-19 | 1980-07-01 | Albany International Corp. | Hollow filament separatory module |
| US4289630A (en) * | 1979-12-10 | 1981-09-15 | Industrial Filter & Pump Mfg. Co. | Filter cake removal method and apparatus |
| FI65918C (fi) * | 1980-05-29 | 1984-08-10 | Enso Gutzeit Oy | Foerfarande foer att avskilja sodasediment fraon groenlutsuspension genom filtrering |
| US4547296A (en) * | 1983-09-15 | 1985-10-15 | Croll-Reynolds Engineering Co., Inc. | Heel recovery filtration process and apparatus |
| US5013457A (en) * | 1987-05-15 | 1991-05-07 | Uddo-Mims International | Pressurized backwash filter |
| US4818420A (en) * | 1987-05-15 | 1989-04-04 | Uddo Mims International, Inc. | Backwash filter |
| US4923068A (en) * | 1989-02-07 | 1990-05-08 | Cdp Product Development Corporation | Automatic filter system |
| SE501068C2 (sv) * | 1989-10-04 | 1994-11-07 | Caustec Ab | Förfarande och anordning för filtrering av en suspension |
| FI97695B (fi) * | 1993-11-02 | 1996-10-31 | Ahlstroem Oy | Suodatusmenetelmä ja -laite |
| US5618443A (en) * | 1995-05-04 | 1997-04-08 | Ahlstrom Machinery Oy | Clarification of green liquor by falling film cross-flow filtration |
-
1994
- 1994-09-13 SE SE9403052A patent/SE504574C2/sv not_active IP Right Cessation
-
1995
- 1995-09-07 JP JP8510102A patent/JPH10505540A/ja active Pending
- 1995-09-07 DE DE69520363T patent/DE69520363D1/de not_active Expired - Lifetime
- 1995-09-07 ES ES95932267T patent/ES2158128T3/es not_active Expired - Lifetime
- 1995-09-07 WO PCT/SE1995/001002 patent/WO1996008300A1/en active IP Right Grant
- 1995-09-07 EP EP95932267A patent/EP0781160B1/en not_active Expired - Lifetime
- 1995-09-07 US US08/793,996 patent/US5972228A/en not_active Expired - Lifetime
- 1995-09-07 AU AU35361/95A patent/AU3536195A/en not_active Abandoned
- 1995-09-07 AT AT95932267T patent/ATE199657T1/de not_active IP Right Cessation
- 1995-09-07 PT PT95932267T patent/PT781160E/pt unknown
- 1995-09-07 CA CA002198849A patent/CA2198849A1/en not_active Abandoned
-
1997
- 1997-03-11 FI FI971020A patent/FI122097B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PT781160E (pt) | 2001-08-30 |
| ES2158128T3 (es) | 2001-09-01 |
| DE69520363D1 (de) | 2001-04-19 |
| US5972228A (en) | 1999-10-26 |
| EP0781160B1 (en) | 2001-03-14 |
| JPH10505540A (ja) | 1998-06-02 |
| FI122097B (fi) | 2011-08-31 |
| FI971020A0 (fi) | 1997-03-11 |
| SE9403052D0 (sv) | 1994-09-13 |
| CA2198849A1 (en) | 1996-03-21 |
| AU3536195A (en) | 1996-03-29 |
| FI971020A (fi) | 1997-03-11 |
| SE9403052L (sv) | 1996-03-14 |
| ATE199657T1 (de) | 2001-03-15 |
| WO1996008300A1 (en) | 1996-03-21 |
| EP0781160A1 (en) | 1997-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |