DE3879839T2 - Einrichtung zur Reinigung langsamer Sandfilter. - Google Patents
Einrichtung zur Reinigung langsamer Sandfilter.Info
- Publication number
- DE3879839T2 DE3879839T2 DE88306783T DE3879839T DE3879839T2 DE 3879839 T2 DE3879839 T2 DE 3879839T2 DE 88306783 T DE88306783 T DE 88306783T DE 3879839 T DE3879839 T DE 3879839T DE 3879839 T2 DE3879839 T2 DE 3879839T2
- Authority
- DE
- Germany
- Prior art keywords
- slow sand
- sand filters
- cleaning
- cleaning slow
- liquid
- 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
Classifications
-
- 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
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/205—Downward filtration without specifications about the filter material supporting means
-
- 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
- B01D24/4631—Counter-current flushing, e.g. by air
-
- 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
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Harvester Elements (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878723221A GB8723221D0 (en) | 1987-10-02 | 1987-10-02 | Slow sand filters |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3879839D1 DE3879839D1 (de) | 1993-05-06 |
DE3879839T2 true DE3879839T2 (de) | 1993-10-14 |
Family
ID=10624732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88306783T Expired - Fee Related DE3879839T2 (de) | 1987-10-02 | 1988-07-22 | Einrichtung zur Reinigung langsamer Sandfilter. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4911831A (de) |
EP (1) | EP0310221B1 (de) |
AT (1) | ATE87495T1 (de) |
DE (1) | DE3879839T2 (de) |
GB (1) | GB8723221D0 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9203484D0 (en) * | 1992-02-19 | 1992-04-08 | Doity Engineering Limited | A system for filling filter beds |
RO113615B1 (ro) † | 1992-12-10 | 1998-09-30 | Thames Water Utilities | Filtru lent de nisip pentru indepartarea impuritatilor dintr-un lichid si metoda de obtinere a acestuia |
FR2706442B1 (fr) * | 1993-06-14 | 1995-07-28 | Morillon Corvol Courbot Sa | Equipement de service pour bassin, réservoir d'eau ou analogue, notamment pour filtre lent à sable. |
US5421995A (en) * | 1993-07-01 | 1995-06-06 | Jmo Holding, Inc. | Sludge blanket level detector suspended from floating decanter |
US6123858A (en) * | 1993-10-27 | 2000-09-26 | University Technologies International Inc. | Slow sand filter for use with intermittently flowing water supply and method of use thereof |
US5902488A (en) * | 1997-09-09 | 1999-05-11 | Prince; Dennis Scott | Slow sand filter |
SE511870C2 (sv) | 1998-04-08 | 1999-12-06 | Weda Poolcleaner Ab | Metod och anordning för bottenrening av bassänger med sandbotten |
GB2368541B (en) * | 1998-04-08 | 2002-07-17 | Weda Poolcleaner Ab | Device for cleaning bottoms of pools with sand beds |
SE517199C2 (sv) * | 2000-10-06 | 2002-05-07 | Miodrag Jankovic | Bottensugaggregat för ytrensning av sandbädden i ett långsamfilter |
US6932286B2 (en) * | 2001-11-07 | 2005-08-23 | Fred P. Smith | Combination drop and broadcast spreader |
CA2387777C (en) * | 2002-05-28 | 2008-04-01 | Ms Filter Inc. | Potable water treatment plant and method of maintaining same |
US20090126238A1 (en) * | 2005-06-17 | 2009-05-21 | Michael Platt | Top Loading Wedge with Adjustably Engageable Bottom Apparatus and Method |
US7754073B2 (en) * | 2005-11-22 | 2010-07-13 | Ultra Aquatic Technology Pty Ltd | Method and apparatus for collecting and/or removing sludge |
DE502006008347D1 (de) * | 2006-11-13 | 2010-12-30 | Ferdinand Doppstadt | Vorrichtung und Verfahren zum Abräumen und Abtransportieren von insbesondere einer Sandschicht und zum Entfernen von Algenteppichen in Filterbecken |
DE102007023803B4 (de) | 2007-05-21 | 2009-11-05 | Schott Ag | Verfahren zur Herstellung von Schichtsystemen mit Zwischenschichten sowie Gegenstand mit Schichtsystem mit Zwischenschichten |
CA2854522C (en) | 2013-06-18 | 2022-07-12 | Cory Albers | Systems and methods for storage and treatment of remediation materials |
US11229861B2 (en) | 2017-04-13 | 2022-01-25 | Airrat Pty Ltd | Sludge harvester improvements |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1049361B (de) * | 1959-01-29 | |||
DE62302C (de) * | R. SCHMIDT in Dresden. Vom August 1891 ab | Verfahren zur Herstellung von (Griffen, Heften und dergl. mit harter Schale und we-chem Kern | ||
FR344396A (fr) * | 1904-06-28 | 1904-11-03 | Hiram Wheeler Blaisdell | Appareil à nettoyer les surfaces des filtres à sable et autres |
FR557656A (fr) * | 1922-10-20 | 1923-08-13 | Procédé et dispositif pour le nettoyage des filtres à sable de grande surface | |
FR758249A (fr) * | 1933-07-11 | 1934-01-12 | Procédé et appareil pour le nettoyage des couches filtrantes | |
US2327726A (en) * | 1940-06-06 | 1943-08-24 | Jr Charles Lose | Filter bed cleaning |
US4005019A (en) * | 1974-09-27 | 1977-01-25 | L.S. Love & Associates Limited | Gravitational separator |
CH608381A5 (en) * | 1975-02-17 | 1979-01-15 | Hermann Mueller | Flushing system for sand filters and carbon filters |
US4070978A (en) * | 1976-07-01 | 1978-01-31 | Virgilio Del P | Floating apparatus for weeding and dredging waterways |
US4104813A (en) * | 1976-08-20 | 1978-08-08 | Lindsey Duane A | Muck dredging machine |
JPS6015279B2 (ja) * | 1977-11-01 | 1985-04-18 | シャープ株式会社 | メモリ付薄膜el素子の維持駆動回路 |
DE2800628A1 (de) * | 1978-01-07 | 1979-07-12 | Zenith Maschf Gmbh | Laengsraeumer fuer langsandfaenge von klaeranlagen |
EP0009516B1 (de) * | 1978-09-29 | 1982-06-02 | Ballast-Nedam Groep N.V. | Verfahren und Vorrichtung zum Halten von Geräten auf einer Höhe unter einer Wasseroberfläche |
US4290890A (en) * | 1979-02-12 | 1981-09-22 | Bauer William J | Sludge dewatering process and vehicle for use in such process |
US4291474A (en) * | 1979-09-10 | 1981-09-29 | Schmidt Frederick J | Dredge swell compensator apparatus |
US4413433A (en) * | 1981-12-04 | 1983-11-08 | Duverne Jean Claude M | Apparatus for extracting muddy materials and feeding them to a treatment station |
DE3439547A1 (de) * | 1983-11-11 | 1985-05-30 | VEB Projektierung Wasserwirtschaft Stammbetrieb des Kombinates Wassertechnik und Projektierung Wasserwirtschaft, DDR 4020 Halle | Verfahren und vorrichtung zur filtration von fluessigkeiten |
EP0185422B1 (de) * | 1984-12-19 | 1990-02-07 | Soil Machine Dynamics Limited | Verfahren und Vorrichtung zum Ausheben von Boden |
US4628623A (en) * | 1985-03-11 | 1986-12-16 | Deal Troy M | Turbidity control system for dredge cutterheads |
GB8610807D0 (en) * | 1986-05-02 | 1986-06-11 | Humphreys & Glasgow Ltd | Filter carbon removal device |
-
1987
- 1987-10-02 GB GB878723221A patent/GB8723221D0/en active Pending
-
1988
- 1988-07-22 EP EP88306783A patent/EP0310221B1/de not_active Expired - Lifetime
- 1988-07-22 DE DE88306783T patent/DE3879839T2/de not_active Expired - Fee Related
- 1988-07-22 AT AT88306783T patent/ATE87495T1/de not_active IP Right Cessation
- 1988-09-28 US US07/250,097 patent/US4911831A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3879839D1 (de) | 1993-05-06 |
GB8723221D0 (en) | 1987-11-04 |
EP0310221A1 (de) | 1989-04-05 |
US4911831A (en) | 1990-03-27 |
EP0310221B1 (de) | 1993-03-31 |
ATE87495T1 (de) | 1993-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3879839D1 (de) | Einrichtung zur reinigung langsamer sandfilter. | |
DE3853877T2 (de) | Filter für Flüssigkeiten und Verfahren zum Filtern von Flüssigkeiten. | |
DE3482165D1 (de) | Verfahren und apparat zum entfernen von kohlenwasserstoffen aus luft-kohlenwasserstoffdampfmischungen. | |
DE69112197T2 (de) | Verfahren zur Regeneration poröser keramischer Filter. | |
FR2430251B1 (fr) | Mat d'adsorption et de filtration pour liquides | |
DE3873725D1 (de) | Verfahren und einrichtung zur kontinuierlichen waermebehandlung eines gemisches aus feststoffen enthaltender fluessigkeit. | |
FR2490625B1 (fr) | Appareil de filtration et de sechage pour boues et analogues | |
DE69031480D1 (de) | Verfahren zur Reinigung von Polyethersiloxanen | |
FR2554686B1 (fr) | Procede et dispositif pour la fabrication de cigarettes filtrantes aerees | |
EP0278694A3 (en) | Method for removing basic nitrogen compounds from extracted oils by use of acidic polar adsorbents and the regeneration of said adsorbents | |
DE3882808D1 (de) | Verfahren und vorrichtung zum entfernen von schwefelverbindungen aus gasen und zur regenerierung von verbrauchten adsorptionsmitteln. | |
ATE18776T1 (de) | Verfahren und vorrichtung zur zuechtung von mikroorganismen. | |
DE69008818D1 (de) | Vorrichtung und verfahren zur kontinuierlichen entfernung von sauerstoff aus flüssigkeitsströmen. | |
KR890700386A (ko) | 오염된 액체를 여과하기 위한 여과장치 | |
DE3789292D1 (de) | Gerät und Verfahren zur Einstellung eines Filters. | |
ATE25598T1 (de) | Verfahren und vorrichtung zum feinsten verspruehen von suspensionen. | |
SE8903111D0 (sv) | Foerfarande och anordning foer filtrering av en suspension | |
DE69227374D1 (de) | Verfahren und vorrichtung zum kontinuierlichen erzeugung und auftragung von schaum auf sich bewegende poröse substraten | |
ATE34524T1 (de) | Filtervorrichtung. | |
FR2523471B1 (fr) | Systeme de filtre a lit mouvant, pour l'epuration de fluides vaporises et/ou gazeux | |
FR2599885B1 (fr) | Procede pour enlever une espece radioactive contaminante d'une surface d'un composant solide et pour traiter l'effluent liquide obtenu | |
BR9206872A (pt) | Aperfeiçoamentos em ou relacionando-se a filtros de correia | |
AT380642B (de) | Verfahren und vorrichtung zum kontinuierlichen filtern von fluessigkeiten | |
ATE31633T1 (de) | Verfahren zum filtrieren von fluessigkeiten und filtrieranlage zur durchfuehrung des verfahrens. | |
JPS5775657A (en) | Filter type body liquid purifying apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |