ATE69392T1 - Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit. - Google Patents
Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit.Info
- Publication number
- ATE69392T1 ATE69392T1 AT87307949T AT87307949T ATE69392T1 AT E69392 T1 ATE69392 T1 AT E69392T1 AT 87307949 T AT87307949 T AT 87307949T AT 87307949 T AT87307949 T AT 87307949T AT E69392 T1 ATE69392 T1 AT E69392T1
- Authority
- AT
- Austria
- Prior art keywords
- solids
- rise rate
- bed
- filter
- liquid level
- Prior art date
Links
- 239000007788 liquid Substances 0.000 abstract 5
- 238000001914 filtration Methods 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- 238000011001 backwashing Methods 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
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
-
- 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
- B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
-
- 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
- B01D24/48—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
- B01D24/4869—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 by level measuring
Landscapes
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Filtration Of Liquid (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Control Of Heat Treatment Processes (AREA)
- Lock And Its Accessories (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Networks Using Active Elements (AREA)
- Polyurethanes Or Polyureas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Mushroom Cultivation (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/008,020 US4693831A (en) | 1987-01-28 | 1987-01-28 | Rise-rate control of pulsed-bed granular medium filters |
| EP87307949A EP0279975B1 (de) | 1987-01-28 | 1987-09-09 | Regelung gepulster Schüttgutfilter durch die Füllstandsänderungsgeschwindigkeit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE69392T1 true ATE69392T1 (de) | 1991-11-15 |
Family
ID=21729391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT87307949T ATE69392T1 (de) | 1987-01-28 | 1987-09-09 | Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4693831A (de) |
| EP (1) | EP0279975B1 (de) |
| JP (1) | JPS63185417A (de) |
| KR (1) | KR960001376B1 (de) |
| AT (1) | ATE69392T1 (de) |
| AU (1) | AU589028B2 (de) |
| CA (1) | CA1305073C (de) |
| DE (1) | DE3774564D1 (de) |
| ES (1) | ES2026546T3 (de) |
| NO (1) | NO167190C (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818414A (en) * | 1988-03-25 | 1989-04-04 | Zimpro/Passavant Inc. | Slime control for primary filtration systems |
| DE3828821A1 (de) * | 1988-08-25 | 1990-03-01 | Bayer Ag | Verfahren zur erkennung der ueberflutung einer oberflaeche |
| US4976873A (en) * | 1989-12-14 | 1990-12-11 | Zimpro/Passavant Inc. | Pulsing portions of a filter cell to extend a filter run |
| FR2670682B1 (fr) * | 1990-12-21 | 1993-10-15 | Toulouse Inst Nal Sciences Appli | Procede et reacteur de traitement d'eau utilisant un lit granulaire adapte pour assurer une filtration ou une filtration associee a une epuration biologique de l'eau. |
| US5089147A (en) * | 1991-05-01 | 1992-02-18 | Zimpro Passavant Environmental Systems, Inc. | Underdrain for granular medium filter |
| DE4302321C1 (de) * | 1993-01-28 | 1994-03-17 | Envicon Klaertech Verwalt | Becken zur Elimination von Schwebeteilchen aus Abwässern |
| US5534202A (en) * | 1994-04-05 | 1996-07-09 | Roberts Filter Manufacturing Company | Air grid for underdrains and similar systems |
| JP2000503896A (ja) * | 1996-08-19 | 2000-04-04 | ヴォルフガング シェンク ゲーエムベーハー | バイオリアクター |
| US5759387A (en) * | 1996-09-26 | 1998-06-02 | Essef Corporation | Grey water filter tank recovery system and filter backwashing system |
| AU747192B2 (en) * | 1998-10-02 | 2002-05-09 | Dennis Aldo Tull | Pump strainer cleaning apparatus |
| JP2002119807A (ja) * | 2000-10-17 | 2002-04-23 | Sumitomo Heavy Ind Ltd | 濾過装置の逆洗方法 |
| DE10106322B4 (de) * | 2001-02-09 | 2005-11-17 | Inka-Holding Und Immobilien Gmbh & Co. Kg | Wasserfilter |
| US7045067B2 (en) * | 2004-08-05 | 2006-05-16 | Eco-Tec Limited | Method and apparatus for increasing filter contaminant loading capacity |
| CN100412003C (zh) * | 2006-09-25 | 2008-08-20 | 山东建筑大学 | 曝气生物滤池 |
| ES2371192B1 (es) * | 2009-12-17 | 2013-05-07 | Ohl Medio Ambiente, Inima, S.A.U. | Filtro de pretratamiento y acondicionamiento de agua del tipo de lecho granular cerrado a presion con medios de lavado a contracorriente |
| CN103842046B (zh) * | 2011-10-03 | 2016-01-13 | 株式会社石垣 | 不定形过滤介质层及具备其的过滤设备 |
| CN103316511B (zh) * | 2013-07-08 | 2015-05-20 | 山东金博士环境科技有限公司 | 一种o型滤池 |
| US20160045844A1 (en) * | 2014-08-13 | 2016-02-18 | Samuel N. Tyler | Pulsed Backwash Method and Apparatus |
| US20170355620A1 (en) * | 2014-10-01 | 2017-12-14 | Nexus Ewater Pty Ltd | Method of filtering waste water |
| WO2019034607A1 (en) * | 2017-08-15 | 2019-02-21 | Unilever N.V. | APPARATUS AND METHOD FOR FILTRATION OF AQUEOUS LIQUID |
| US10906818B2 (en) | 2017-12-22 | 2021-02-02 | Ozono Polaris, S.A. de C.V. | Process for back-and-forth washing of adsorptive media |
| CN112915641B (zh) * | 2021-03-18 | 2022-06-14 | 上海威派格智慧水务股份有限公司 | 一种滤池反冲洗控制方法 |
| SE545635C2 (en) * | 2022-02-24 | 2023-11-21 | Zeo Concept Ece Ab | A filter system for purification of a fluid comprising an acoustic wave creating arrangement |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR349450A (fr) * | 1904-12-01 | 1905-05-29 | Frank Candy | Filtre à courant montant |
| BE471545A (de) * | 1946-10-16 | |||
| GB966394A (en) * | 1962-01-30 | 1964-08-12 | Candy Filter Company Ltd | Improvements relating to gravity filters |
| US3459302A (en) * | 1967-04-25 | 1969-08-05 | Hydro Clear Corp | Apparatus and method of filtering solids from a liquid effluent |
| US3717251A (en) * | 1970-09-03 | 1973-02-20 | Q Hampton | Method and apparatus for filtering solids |
| US3817378A (en) * | 1971-06-22 | 1974-06-18 | Hydro Clear Corp | Method and apparatus for filtering solids from a liquid effluent |
| US4019985A (en) * | 1975-07-30 | 1977-04-26 | Texaco Inc. | Methods for fluidizing a filter media |
| US4627923A (en) * | 1984-09-20 | 1986-12-09 | International Tectonics Incorporated | Apparatus and method of filtering solids from a liquid effluent |
-
1987
- 1987-01-28 US US07/008,020 patent/US4693831A/en not_active Expired - Fee Related
- 1987-08-07 AU AU76700/87A patent/AU589028B2/en not_active Ceased
- 1987-09-08 NO NO873747A patent/NO167190C/no unknown
- 1987-09-09 EP EP87307949A patent/EP0279975B1/de not_active Expired - Lifetime
- 1987-09-09 DE DE8787307949T patent/DE3774564D1/de not_active Expired - Fee Related
- 1987-09-09 ES ES198787307949T patent/ES2026546T3/es not_active Expired - Lifetime
- 1987-09-09 AT AT87307949T patent/ATE69392T1/de not_active IP Right Cessation
- 1987-09-14 JP JP62230865A patent/JPS63185417A/ja active Pending
- 1987-09-25 CA CA000547917A patent/CA1305073C/en not_active Expired - Fee Related
- 1987-10-30 KR KR1019870012097A patent/KR960001376B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2026546T3 (es) | 1992-05-01 |
| AU7670087A (en) | 1988-08-04 |
| NO873747D0 (no) | 1987-09-08 |
| NO167190B (no) | 1991-07-08 |
| NO167190C (no) | 1991-10-16 |
| EP0279975B1 (de) | 1991-11-13 |
| KR890006278A (ko) | 1989-06-12 |
| CA1305073C (en) | 1992-07-14 |
| AU589028B2 (en) | 1989-09-28 |
| US4693831A (en) | 1987-09-15 |
| NO873747L (no) | 1988-07-29 |
| KR960001376B1 (ko) | 1996-01-26 |
| DE3774564D1 (de) | 1991-12-19 |
| JPS63185417A (ja) | 1988-08-01 |
| EP0279975A1 (de) | 1988-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |