WO1993000977A1 - Method and apparatus for separating gaseous bubbles and sand fro m a liquid flow - Google Patents
Method and apparatus for separating gaseous bubbles and sand fro m a liquid flow Download PDFInfo
- Publication number
- WO1993000977A1 WO1993000977A1 PCT/SE1992/000517 SE9200517W WO9300977A1 WO 1993000977 A1 WO1993000977 A1 WO 1993000977A1 SE 9200517 W SE9200517 W SE 9200517W WO 9300977 A1 WO9300977 A1 WO 9300977A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filtrate
- filter medium
- chamber
- outlet
- zone
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/28—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed moving during the filtration
- B01D24/30—Translation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4689—Displacement of the filtering material to a compartment of the filtering device for regeneration
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5501781A JPH06509019A (en) | 1991-07-12 | 1992-07-09 | Method and apparatus for separating air bubbles and sand from liquid fluid |
EP92915899A EP0642373B1 (en) | 1991-07-12 | 1992-07-09 | Method and apparatus for separating gaseous bubbles and sand fro m a liquid flow |
US08/526,565 US5681472A (en) | 1991-07-12 | 1992-07-09 | Method and apparatus for separating gaseous bubbles and sand from a liquid flow |
DE69223161T DE69223161T2 (en) | 1991-07-12 | 1992-07-09 | METHOD AND DEVICE FOR SEPARATING GAS BLOWERS AND SAND FROM A LIQUID FLOW |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9102179-0 | 1991-07-12 | ||
SE9102179A SE500004C2 (en) | 1991-07-12 | 1991-07-12 | Method and apparatus for separating gas bubbles and granular filter media from a filtrate which has passed a filter bed |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993000977A1 true WO1993000977A1 (en) | 1993-01-21 |
Family
ID=20383329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1992/000517 WO1993000977A1 (en) | 1991-07-12 | 1992-07-09 | Method and apparatus for separating gaseous bubbles and sand fro m a liquid flow |
Country Status (8)
Country | Link |
---|---|
US (1) | US5681472A (en) |
EP (1) | EP0642373B1 (en) |
JP (1) | JPH06509019A (en) |
AU (1) | AU2333292A (en) |
CA (1) | CA2112991A1 (en) |
DE (1) | DE69223161T2 (en) |
SE (1) | SE500004C2 (en) |
WO (1) | WO1993000977A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0730895A2 (en) * | 1995-03-03 | 1996-09-11 | Astraco Beheer B.V. | Filter device |
DE10047530A1 (en) * | 2000-09-22 | 2002-04-11 | Egner Umwelttech Gmbh | Filtering device used for washing out solids from a solid-liquid composition, comprises a housing, a filter bed with bulk material as filter medium, and an inlet unit for the composition to be filtered |
CZ298317B6 (en) * | 2006-05-29 | 2007-08-22 | VÚB a. s. | Device for preventing breach into locked object through handling aperture formed by window or door |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19632447C2 (en) * | 1996-08-12 | 2000-06-15 | Wabe Wasseraufbereitung Gmbh | Elimination device |
US5989427A (en) * | 1997-07-17 | 1999-11-23 | Tetra Technologies, Inc. | Method of degassing biological filters |
SE511018C2 (en) * | 1997-11-10 | 1999-07-19 | Polyproject Sweden Ab | Liquid filtration device with continuous washing of the bed particles and method of liquid filtration |
US6383376B1 (en) * | 1999-01-21 | 2002-05-07 | Pierre Beauchamp | Method and apparatus for filtering a liquid |
US6641737B2 (en) | 2000-04-20 | 2003-11-04 | Ashbrook Corporation | Vertical filter |
US6319413B1 (en) | 2000-04-20 | 2001-11-20 | Ashbrook Corporation | Method of filtering liquid using a vertical filter |
ES2196949B1 (en) * | 2001-04-11 | 2005-03-16 | Hidrotec Tecnologia Del Agua, S.L. | WATER DISTRIBUTION SYSTEM AND WASHING OF THE FILTER MEDIA FOR CONTINUOUS WASH FILTER. |
CN1219710C (en) * | 2001-10-22 | 2005-09-21 | 泰特拉处理技术塞温塔兰托服务公司 | Automatic deaerating method of biofiter |
GB2400330B (en) * | 2003-04-10 | 2007-05-30 | Dynamic Proc Solutions Plc | Filtration apparatus |
US8152998B2 (en) * | 2010-05-28 | 2012-04-10 | Ashbrook Simon-Hartley, LP | Screenless granular media filters and methods of use |
US10086320B2 (en) * | 2010-06-24 | 2018-10-02 | Jwc Environmental, Llc | Screen blockage measurement and flow performance optimization system |
US9567241B2 (en) * | 2011-09-07 | 2017-02-14 | Coway Entech Co., Ltd | Continuous circulation sand filter and continuous circulation sand filtering method |
CN103263804B (en) * | 2013-03-22 | 2015-10-07 | 马文晓 | A kind of Quick-release counter-pressure filter of module combination type |
US20180078880A1 (en) * | 2015-03-12 | 2018-03-22 | Siemens Energy, Inc. | Filter bed backwash system and process with recycled gas |
WO2017007307A1 (en) * | 2015-07-03 | 2017-01-12 | Paques I.P. B.V. | Apparatus and method for purification of a fluid by means of a filter bed |
ITUB20152260A1 (en) * | 2015-07-17 | 2017-01-17 | Remediation Srl | SELF-REGENERATING CONTINUOUS FILTER |
CN106474813B (en) * | 2015-08-31 | 2018-09-11 | 中国石油化工股份有限公司 | A kind of filtering dispenser |
US11560325B2 (en) | 2018-09-14 | 2023-01-24 | N P Innovation Ab | Bio-filter unit for a fish farming system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746431A (en) * | 1985-04-19 | 1988-05-24 | Degremont, S. A. | Device for the collection of water in a granular material bed filter |
EP0356870A1 (en) * | 1988-08-31 | 1990-03-07 | Forschungszentrum Jülich Gmbh | Method and apparatus for the biotechnological treatment of liquids in a vertical fixed bulk bed |
WO1991008818A1 (en) * | 1989-12-08 | 1991-06-27 | Haakanson Sven Anders Samuel | Apparatus for filtration of liquid |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6409381A (en) * | 1963-08-21 | 1965-02-22 | ||
US3480542A (en) * | 1966-04-09 | 1969-11-25 | Passavant Werke | Method and apparatus for the purification of waste water |
US4060484A (en) * | 1974-07-15 | 1977-11-29 | Simon-Hartley Limited | Filters |
US4126546B1 (en) * | 1977-02-23 | 1993-05-18 | Axel Johnson Engineering Ab | Method for the filtration of a suspension or emulsion |
SE429128B (en) * | 1976-11-29 | 1983-08-15 | Nordstjernan Rederi Ab | PROCEDURE FOR SEPARATING POLLUTANTS IN WATER SUSPENSIONS OR EMULSIONS |
FR2572301B1 (en) * | 1984-10-29 | 1989-06-23 | Degremont | METHOD AND APPARATUS FOR FILTERING A SUSPENSION ON A GRANULAR FILTER LAYER |
SE470155B (en) * | 1991-04-16 | 1993-11-22 | Nordic Water Prod Ab | Blowing a gas into a granular filter bed |
US5462654A (en) * | 1993-09-29 | 1995-10-31 | Hering, Jr.; C. J. | Dynamic moving bed filter apparatus |
US5520804A (en) * | 1994-07-21 | 1996-05-28 | Andritz Sprout-Bauer, Inc. | Deep bed filtration system |
US5454959A (en) * | 1993-10-29 | 1995-10-03 | Stevens; Jay S. | Moving bed filters |
US5582722A (en) * | 1994-12-13 | 1996-12-10 | Ashbrook-Simon-Hartley Corporation | Continuous self-cleaning filtration unit |
-
1991
- 1991-07-12 SE SE9102179A patent/SE500004C2/en unknown
-
1992
- 1992-07-09 WO PCT/SE1992/000517 patent/WO1993000977A1/en active IP Right Grant
- 1992-07-09 CA CA002112991A patent/CA2112991A1/en not_active Abandoned
- 1992-07-09 JP JP5501781A patent/JPH06509019A/en active Pending
- 1992-07-09 US US08/526,565 patent/US5681472A/en not_active Expired - Fee Related
- 1992-07-09 EP EP92915899A patent/EP0642373B1/en not_active Expired - Lifetime
- 1992-07-09 AU AU23332/92A patent/AU2333292A/en not_active Abandoned
- 1992-07-09 DE DE69223161T patent/DE69223161T2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4746431A (en) * | 1985-04-19 | 1988-05-24 | Degremont, S. A. | Device for the collection of water in a granular material bed filter |
EP0356870A1 (en) * | 1988-08-31 | 1990-03-07 | Forschungszentrum Jülich Gmbh | Method and apparatus for the biotechnological treatment of liquids in a vertical fixed bulk bed |
WO1991008818A1 (en) * | 1989-12-08 | 1991-06-27 | Haakanson Sven Anders Samuel | Apparatus for filtration of liquid |
Non-Patent Citations (1)
Title |
---|
Research Journal WPCF, Vol. 62, No. 3, 1990, BEN KOOPMAN et al.: "Denitrification in a Moving Bed Upflow Sand Filter", see page 239 - page 245; figure 1. * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0730895A2 (en) * | 1995-03-03 | 1996-09-11 | Astraco Beheer B.V. | Filter device |
EP0730895A3 (en) * | 1995-03-03 | 1997-02-26 | Astraco Beheer Bv | Filter device |
DE10047530A1 (en) * | 2000-09-22 | 2002-04-11 | Egner Umwelttech Gmbh | Filtering device used for washing out solids from a solid-liquid composition, comprises a housing, a filter bed with bulk material as filter medium, and an inlet unit for the composition to be filtered |
CZ298317B6 (en) * | 2006-05-29 | 2007-08-22 | VÚB a. s. | Device for preventing breach into locked object through handling aperture formed by window or door |
Also Published As
Publication number | Publication date |
---|---|
DE69223161D1 (en) | 1997-12-18 |
SE500004C2 (en) | 1994-03-21 |
CA2112991A1 (en) | 1993-01-21 |
AU2333292A (en) | 1993-02-11 |
SE9102179D0 (en) | 1991-07-12 |
JPH06509019A (en) | 1994-10-13 |
EP0642373A1 (en) | 1995-03-15 |
SE9102179L (en) | 1993-01-13 |
US5681472A (en) | 1997-10-28 |
DE69223161T2 (en) | 1998-05-20 |
EP0642373B1 (en) | 1997-11-12 |
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