CA956247A - Backwash filter - Google Patents

Backwash filter

Info

Publication number
CA956247A
CA956247A CA069,381A CA69381A CA956247A CA 956247 A CA956247 A CA 956247A CA 69381 A CA69381 A CA 69381A CA 956247 A CA956247 A CA 956247A
Authority
CA
Canada
Prior art keywords
backwash filter
backwash
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
Application number
CA069,381A
Other languages
English (en)
Inventor
Ramon J. Zentis
Donald F. Durso
John H. Schmid
John R. Goode
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.)
Zurn Industries LLC
Original Assignee
Zurn Industries LLC
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 Zurn Industries LLC filed Critical Zurn Industries LLC
Application granted granted Critical
Publication of CA956247A publication Critical patent/CA956247A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D29/13—Supported filter elements
    • B01D29/23—Supported filter elements arranged for outward 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
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the 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
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • 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
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • 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
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
CA069,381A 1969-02-14 1969-12-09 Backwash filter Expired CA956247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79942269A 1969-02-14 1969-02-14

Publications (1)

Publication Number Publication Date
CA956247A true CA956247A (en) 1974-10-15

Family

ID=25175872

Family Applications (1)

Application Number Title Priority Date Filing Date
CA069,381A Expired CA956247A (en) 1969-02-14 1969-12-09 Backwash filter

Country Status (9)

Country Link
US (1) US3574509A (de)
CA (1) CA956247A (de)
CH (1) CH525019A (de)
DE (1) DE2006685A1 (de)
FI (1) FI55118C (de)
FR (1) FR2034759A1 (de)
GB (1) GB1280607A (de)
NL (1) NL7002064A (de)
SE (1) SE372892B (de)

Families Citing this family (64)

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US3731814A (en) * 1967-11-27 1973-05-08 Brown C Liquid filter
US3926804A (en) * 1972-06-13 1975-12-16 Pro Tech Inc Fluid filtration and sampling
GB1413660A (en) * 1972-10-18 1975-11-12 Euroflow Systems Ltd Filter apparatus
US4156647A (en) * 1976-05-03 1979-05-29 Nieuwenhuis Garmt J Process and apparatus for removal of impurities from liquids
US4042504A (en) * 1976-05-23 1977-08-16 Mordeki Drori Self cleanable filters
IL50171A (en) * 1976-07-30 1979-07-25 Drori Mordeki Easily-cleanable filter
DE3113734A1 (de) * 1980-04-22 1982-02-04 British Sidac Ltd., Watford, Hertfordshire "rueckspuelbare filteriervorrichtung"
DE3113624A1 (de) * 1980-04-22 1982-04-08 British Sidac Ltd., Watford, Hertfordshire "rueckspuelbare filtriervorrichtung"
IL69206A0 (en) * 1983-07-12 1983-11-30 Vehashkaya Amiad Sinun Automatic backflushing filter
USRE34218E (en) 1983-09-02 1993-04-13 Easily-cleanable filters
DE3419698A1 (de) * 1984-05-25 1986-01-23 Taprogge GmbH, 5802 Wetter Vorrichtung zur mechanischen reinigung von fluessigkeiten
DE3430523A1 (de) * 1984-08-18 1986-02-27 Dango & Dienenthal Maschinenbau GmbH, 5900 Siegen Fluessigkeitsfilter
US4673502A (en) * 1985-05-28 1987-06-16 Barnes Drill Co. Fixed filter drum and movable scraper
US4978450A (en) 1986-02-11 1990-12-18 Mordeki Drori Filtering element
US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
US5030347A (en) * 1987-07-30 1991-07-09 Mordeki Drori Multiple filter elements with movable flushing assembly
US5013461A (en) 1987-09-18 1991-05-07 Mordeki Drori Regeneration method of filter device having filter aid material and piston apparatus
US5015379A (en) 1988-03-16 1991-05-14 Mordeki Drori Coiled filter strip with upstream and downstream butt ends
US4863591A (en) * 1988-07-19 1989-09-05 Dionne Earl G Inline filter
DE3834642A1 (de) * 1988-10-11 1990-04-12 Herrmann Karl Heinz Filteranordnung
IL88940A0 (en) 1989-01-12 1989-08-15 Drori Mordeki Filter apparatus
DE9108266U1 (de) * 1991-07-04 1992-11-12 Micheels, Jens, Dipl.-Ing., 2300 Molfsee, De
US5401396A (en) * 1991-08-22 1995-03-28 Ga Industries Inc. Self-cleaning stationary basket strainer
JPH06502802A (ja) * 1991-09-13 1994-03-31 デー エル エム ドクトル ミュラー アクチェンゲゼルシャフト 逆洗可能なフィルタ部材
AT397927B (de) * 1992-05-27 1994-08-25 Chemiefaser Lenzing Ag Rückspülfähige filtervorrichtung zur filtration hochviskoser flüssigkeiten
AU3729495A (en) * 1994-09-01 1996-03-22 Pyrox, Inc. High capacity ultrafiltration apparatus
US5587074A (en) * 1995-02-17 1996-12-24 H-Tech, Inc. Fluid filter with enhanced backflush flow
US5632903A (en) * 1995-06-07 1997-05-27 Infinity Research And Development High volume self-cleaning filter
US5667682A (en) * 1995-10-25 1997-09-16 Water Renewal Systems L.P. Self-cleaning filtration apparatus
FR2743505B1 (fr) * 1996-01-15 1998-02-13 Cellier Groupe Sa Dispositif de filtration autodecolmatant
US6177022B1 (en) 1998-01-28 2001-01-23 James Benenson, Jr. Self-cleaning fuel oil strainer
US6676834B1 (en) 1998-01-28 2004-01-13 James Benenson, Jr. Self-cleaning water filter
US6517722B1 (en) 1998-01-28 2003-02-11 James Benenson, Jr. Self cleaning fuel oil strainer
GB9907880D0 (en) 1999-04-08 1999-06-02 Hosford James P Dual pump
CA2278433C (en) * 1999-06-22 2009-12-01 Robert Koopmans Improved filter system
GB2371245C (en) * 2001-01-18 2006-11-15 Nicholas Jackson Water Filter
WO2002056995A1 (en) * 2001-01-18 2002-07-25 Nicholas Jackson Water filter
US6758344B2 (en) 2002-02-21 2004-07-06 Gordon Construction, Inc. Self-cleaning fluid filter system
NZ535326A (en) * 2002-02-21 2007-05-31 Gordon Construction Inc Self-cleaning fluid filter system
GB0326629D0 (en) * 2003-11-14 2003-12-17 Evolution Aqua Ltd A fluid filtration system and method of filtering fluid
WO2006011921A2 (en) * 2004-03-10 2006-02-02 Gordon Construction, Inc. Method and system for filtering sediment-bearing fluids
US20050199551A1 (en) * 2004-03-10 2005-09-15 Gordon Robert R. Method and system for filtering sediment-bearing fluids
US7468082B2 (en) * 2004-04-28 2008-12-23 Gordon Robert R Self cleaning gas filtering system and method
CN101379294A (zh) * 2006-02-01 2009-03-04 英格索尔-兰德公司 气流压缩机控制系统及方法
US20080053889A1 (en) * 2006-09-01 2008-03-06 Leath William M Self-cleaning, continuously operating filter apparatus for fluids
ITRE20060114A1 (it) * 2006-09-28 2008-03-29 P M P O S R L Dispositivo di filtrazione e compattazione per particelle solide sospese e contenute nei fluidi, come i fanghi da lavorazioni meccaniche
AT504361B8 (de) * 2007-01-18 2008-09-15 Chemiefaser Lenzing Ag Rückspülfilter
DE102009010702A1 (de) * 2009-02-27 2010-09-02 Gneuß Kunststofftechnik GmbH Flüssigkeitsring-Vakuumpumpe
WO2011058556A2 (en) * 2009-11-12 2011-05-19 The Ballast Safe Filtration Company Ltd. Filter proximity nozzle
SG174635A1 (en) * 2010-03-08 2011-10-28 Aalborg Ind Water Treat Pte Ltd Self-cleaning filter module
AT11727U1 (de) 2010-03-12 2011-04-15 Lenzing Technik Gmbh Verfahren zur filtration von fluiden sowie filterapparat zur durchführung des verfahrens
DE102010013507A1 (de) * 2010-03-31 2011-10-06 Gkn Sinter Metals Holding Gmbh Filtersystem, insbesondere für die Viskosefiltration
US8647516B2 (en) * 2010-09-03 2014-02-11 Johnny Leon LOVE Filtration method with self-cleaning filter assembly
DE102011086670A1 (de) * 2011-11-18 2013-05-23 Man Diesel & Turbo Se Schmierölnebenstromreinigungsvorrichtung
US9561454B2 (en) * 2012-10-09 2017-02-07 Ovivo Inc. Debris filter with splitter bar
US20140116965A1 (en) * 2012-11-01 2014-05-01 Machinerie Agricole Bois-Francs Inc. Separator and method for separating a heterogeneous supply
US10646801B2 (en) * 2013-09-12 2020-05-12 Antel Aritma Tesisleri Insaat Sanayi Ve Ticaret Anonim Sirketi Nozzle-brush automatic cleaning filter with motor reducer
CN103759555A (zh) * 2013-11-20 2014-04-30 东莞市易阳节能设备有限公司 工业废水余热回收利用多功能节能组合系统
US10245531B2 (en) * 2015-06-17 2019-04-02 Tm Industrial Supply, Inc. High-efficiency automatic self-cleaning strainer
DE102017002646A1 (de) * 2017-03-18 2018-09-20 Hydac Process Technology Gmbh Filtervorrichtung
EP3681615B1 (de) 2017-09-12 2024-03-20 Pentair Water Pool and Spa, Inc. System und verfahren für ein filtersystem
CN107754420B (zh) * 2017-09-26 2023-04-28 杭州水享智能科技集团有限公司 一种新型前置过滤器
KR102183820B1 (ko) * 2020-03-10 2020-11-30 주식회사 그레넥스 섬유상 여과기의 역세정 흡입장치
EP4011838A1 (de) 2020-12-11 2022-06-15 AlfaWall Aktiebolag Verfahren zur steuerung eines ballastwasseraufbereitungssystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2066479A (en) * 1931-06-08 1937-01-05 Vernon W Macisaac Fluid straining method and apparatus
US2275958A (en) * 1939-03-17 1942-03-10 Eugene A Hagel Fluid strainer
US3168467A (en) * 1962-07-20 1965-02-02 George W Dreyer Self-cleaning strainers
US3256995A (en) * 1963-07-05 1966-06-21 Zurn Ind Inc Automatic strainer
US3357566A (en) * 1964-06-22 1967-12-12 Zurn Ind Inc Dual element filter assembly with backwash arms

Also Published As

Publication number Publication date
DE2006685A1 (de) 1970-09-10
GB1280607A (en) 1972-07-05
FI55118C (fi) 1979-06-11
CH525019A (de) 1972-07-15
FR2034759A1 (de) 1970-12-18
FI55118B (fi) 1979-02-28
SE372892B (de) 1975-01-20
NL7002064A (de) 1970-08-18
US3574509A (en) 1971-04-13

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