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GB2408955B - A fluid filtering means - Google Patents

A fluid filtering means

Info

Publication number
GB2408955B
GB2408955B GB0419950A GB0419950A GB2408955B GB 2408955 B GB2408955 B GB 2408955B GB 0419950 A GB0419950 A GB 0419950A GB 0419950 A GB0419950 A GB 0419950A GB 2408955 B GB2408955 B GB 2408955B
Authority
GB
United Kingdom
Prior art keywords
filtering means
fluid filtering
fluid
filtering
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
GB0419950A
Other versions
GB0419950D0 (en
GB2408955A (en
GB2408955B8 (en
Inventor
Sze Hsien Chee
Wee Keong Lim
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.)
CHUAN EE
KIM LIAN ER
Original Assignee
CHUAN EE
KIM LIAN ER
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 CHUAN EE, KIM LIAN ER filed Critical CHUAN EE
Publication of GB0419950D0 publication Critical patent/GB0419950D0/en
Publication of GB2408955A publication Critical patent/GB2408955A/en
Publication of GB2408955B publication Critical patent/GB2408955B/en
Application granted granted Critical
Publication of GB2408955B8 publication Critical patent/GB2408955B8/en
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
    • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • 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
    • 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
    • B01D24/10—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 held in a closed container
    • B01D24/18—Combined upward and downward filtration
    • 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
    • B01D24/383—Feed or discharge devices using multiple way valves
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering 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
    • B01D35/22—Directing the mixture to be filtered on to the filters in a manner to clean the filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
GB0419950A 2003-12-08 2004-09-08 A fluid filtering means Expired - Fee Related GB2408955B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI20034701A MY135588A (en) 2003-12-08 2003-12-08 A fluid filtering means

Publications (4)

Publication Number Publication Date
GB0419950D0 GB0419950D0 (en) 2004-10-13
GB2408955A GB2408955A (en) 2005-06-15
GB2408955B true GB2408955B (en) 2007-08-22
GB2408955B8 GB2408955B8 (en) 2007-09-24

Family

ID=33297425

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0419950A Expired - Fee Related GB2408955B8 (en) 2003-12-08 2004-09-08 A fluid filtering means

Country Status (2)

Country Link
GB (1) GB2408955B8 (en)
MY (1) MY135588A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120382A (en) * 1965-10-13 1968-07-17 Jacuzzi Bros Inc High flow sand and gravel type filter
US3640310A (en) * 1969-06-26 1972-02-08 Hayward Mfg Co Inc Multiport valve
DE2529195A1 (en) * 1975-07-01 1977-02-03 E R Rammo Filter system with coupled valves - allowing single mechanical action to change over
US4714551A (en) * 1984-06-26 1987-12-22 Bruno Bachhofer 5/2-Way commutating valve, particularly for reverse-flush filters
JPH0420674A (en) * 1990-05-15 1992-01-24 Merusu Giken:Kk Overflow water treatment method of circulating purification water
CA2265235A1 (en) * 1999-03-04 2000-09-04 Canpro Water Treatment Inc. Multimedia backwashable filtration system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120382A (en) * 1965-10-13 1968-07-17 Jacuzzi Bros Inc High flow sand and gravel type filter
US3640310A (en) * 1969-06-26 1972-02-08 Hayward Mfg Co Inc Multiport valve
DE2529195A1 (en) * 1975-07-01 1977-02-03 E R Rammo Filter system with coupled valves - allowing single mechanical action to change over
US4714551A (en) * 1984-06-26 1987-12-22 Bruno Bachhofer 5/2-Way commutating valve, particularly for reverse-flush filters
JPH0420674A (en) * 1990-05-15 1992-01-24 Merusu Giken:Kk Overflow water treatment method of circulating purification water
CA2265235A1 (en) * 1999-03-04 2000-09-04 Canpro Water Treatment Inc. Multimedia backwashable filtration system

Also Published As

Publication number Publication date
MY135588A (en) 2008-05-30
GB0419950D0 (en) 2004-10-13
GB2408955A (en) 2005-06-15
GB2408955B8 (en) 2007-09-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190908