CA2256385C - Radial-flow fluidizable filter - Google Patents

Radial-flow fluidizable filter Download PDF

Info

Publication number
CA2256385C
CA2256385C CA002256385A CA2256385A CA2256385C CA 2256385 C CA2256385 C CA 2256385C CA 002256385 A CA002256385 A CA 002256385A CA 2256385 A CA2256385 A CA 2256385A CA 2256385 C CA2256385 C CA 2256385C
Authority
CA
Canada
Prior art keywords
media
fluidizing
chamber
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 - Fee Related
Application number
CA002256385A
Other languages
English (en)
French (fr)
Other versions
CA2256385A1 (en
Inventor
John D. Martin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2256385A1 publication Critical patent/CA2256385A1/en
Application granted granted Critical
Publication of CA2256385C publication Critical patent/CA2256385C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/153Anti-leakage or anti-return valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters 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
    • B01D24/04Filters 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 clamped between pervious fixed walls
    • B01D24/08Filters 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 clamped between pervious fixed walls the filtering material being supported by at least two pervious coaxial walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/38Feed or discharge devices
    • B01D24/42Feed or discharge devices for discharging filtrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4631Counter-current flushing, e.g. by air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4668Regenerating the filtering material in the filter by moving the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/44Special measures allowing the even or uniform distribution of fluid along the length of a conduit

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
CA002256385A 1996-05-23 1997-05-23 Radial-flow fluidizable filter Expired - Fee Related CA2256385C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1816896P 1996-05-23 1996-05-23
US60/018,168 1996-05-23
US2367996P 1996-08-17 1996-08-17
US60/023,679 1996-08-17
PCT/US1997/008942 WO1997044111A1 (en) 1996-05-23 1997-05-23 Radial-flow fluidizable filter

Publications (2)

Publication Number Publication Date
CA2256385A1 CA2256385A1 (en) 1997-11-27
CA2256385C true CA2256385C (en) 2005-12-06

Family

ID=26690813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002256385A Expired - Fee Related CA2256385C (en) 1996-05-23 1997-05-23 Radial-flow fluidizable filter

Country Status (7)

Country Link
EP (1) EP0909207A4 (de)
CN (1) CN1080131C (de)
AU (1) AU715029B2 (de)
CA (1) CA2256385C (de)
HK (1) HK1022114A1 (de)
MX (1) MXPA98010890A (de)
WO (1) WO1997044111A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6852232B2 (en) * 1996-05-23 2005-02-08 John D. Martin Down flow radial flow filter
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
NL1041872B1 (nl) * 2016-05-18 2017-11-30 Waterslag B V Inrichting en werkwijze voor het filteren van een verontreiniging uit een vloeistof, tevens werkwijze voor het regenereren van zo een inrichting
IT201700103653A1 (it) * 2017-09-15 2019-03-15 Filippo Bussinelli Apparecchiatura di filtraggio per la filtrazione di liquidi
WO2019053569A1 (en) * 2017-09-15 2019-03-21 Filippo Bussinelli APPARATUS FOR FILTERING LIQUIDS
CN114570109B (zh) * 2022-05-09 2022-07-19 北京市一滴水环保科技有限公司 复合滤芯组件、沉淀过滤池及复合滤芯组件的反洗方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR605514A (de) * 1924-10-01 1926-05-28
US4021339A (en) * 1973-05-24 1977-05-03 Patrick Foody Water filter
US4019985A (en) * 1975-07-30 1977-04-26 Texaco Inc. Methods for fluidizing a filter media
US4185466A (en) * 1978-05-22 1980-01-29 Grumman Aerospace Corporation Partial pressure condensation pump
US4643836A (en) * 1985-10-01 1987-02-17 Schmid Lawrence A Radial flow filter having air fluidizing backwash means

Also Published As

Publication number Publication date
WO1997044111A1 (en) 1997-11-27
CA2256385A1 (en) 1997-11-27
AU3473997A (en) 1997-12-09
CN1226182A (zh) 1999-08-18
AU715029B2 (en) 2000-01-13
EP0909207A1 (de) 1999-04-21
EP0909207A4 (de) 2000-10-04
MXPA98010890A (es) 2004-05-21
HK1022114A1 (en) 2000-07-28
CN1080131C (zh) 2002-03-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160524