DE3774564D1 - Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit. - Google Patents

Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit.

Info

Publication number
DE3774564D1
DE3774564D1 DE8787307949T DE3774564T DE3774564D1 DE 3774564 D1 DE3774564 D1 DE 3774564D1 DE 8787307949 T DE8787307949 T DE 8787307949T DE 3774564 T DE3774564 T DE 3774564T DE 3774564 D1 DE3774564 D1 DE 3774564D1
Authority
DE
Germany
Prior art keywords
pulse
solids
rise rate
bed
filter
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
Application number
DE8787307949T
Other languages
English (en)
Inventor
Gary August Garzonetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Filter Zimpro Inc
Original Assignee
Zimpro Passavant Environmental Systems Inc
Zimpro Environmental Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zimpro Passavant Environmental Systems Inc, Zimpro Environmental Inc filed Critical Zimpro Passavant Environmental Systems Inc
Application granted granted Critical
Publication of DE3774564D1 publication Critical patent/DE3774564D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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)
  • Control Of Heat Treatment Processes (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Lock And Its Accessories (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)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE8787307949T 1987-01-28 1987-09-09 Regelung gepulster schuettgutfilter durch die fuellstandsaenderungsgeschwindigkeit. Expired - Fee Related DE3774564D1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3774564D1 true DE3774564D1 (de) 1991-12-19

Family

ID=21729391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787307949T Expired - Fee Related DE3774564D1 (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)

* Cited by examiner, † Cited by third party
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
EA001562B1 (ru) * 1996-08-19 2001-04-23 Вольфганг Шенк Гмбх Биореактор
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
US9718004B2 (en) 2011-10-03 2017-08-01 Ishigaki Company Limited Filter medium layer and filter device provided with same
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
AU2015327754A1 (en) * 2014-10-01 2017-04-06 Nexus Ewater Pty Ltd Method of filtering waste water
US11185800B2 (en) * 2017-08-15 2021-11-30 Conopco, Inc. Apparatus and method for filtering aqueous liquid
EP3727627B1 (de) 2017-12-22 2024-05-29 Ozono Polaris, S.A. DE C.V. Verfahren zum hin- und herwaschen von adsorptiven medien
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NO873747D0 (no) 1987-09-08
JPS63185417A (ja) 1988-08-01
NO873747L (no) 1988-07-29
NO167190C (no) 1991-10-16
CA1305073C (en) 1992-07-14
EP0279975A1 (de) 1988-08-31
AU589028B2 (en) 1989-09-28
ATE69392T1 (de) 1991-11-15
KR890006278A (ko) 1989-06-12
US4693831A (en) 1987-09-15
NO167190B (no) 1991-07-08
EP0279975B1 (de) 1991-11-13
AU7670087A (en) 1988-08-04
ES2026546T3 (es) 1992-05-01
KR960001376B1 (ko) 1996-01-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee