GB2157964B - Backwash filter - Google Patents

Backwash filter

Info

Publication number
GB2157964B
GB2157964B GB08410688A GB8410688A GB2157964B GB 2157964 B GB2157964 B GB 2157964B GB 08410688 A GB08410688 A GB 08410688A GB 8410688 A GB8410688 A GB 8410688A GB 2157964 B GB2157964 B GB 2157964B
Authority
GB
United Kingdom
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
GB08410688A
Other versions
GB8410688D0 (en
GB2157964A (en
Inventor
Denis Percy Swinney
Norman Twizell
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.)
SWINNEY ENG
Swinney Engineering Ltd
Original Assignee
SWINNEY ENG
Swinney Engineering Ltd
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 SWINNEY ENG, Swinney Engineering Ltd filed Critical SWINNEY ENG
Priority to GB08410688A priority Critical patent/GB2157964B/en
Publication of GB8410688D0 publication Critical patent/GB8410688D0/en
Publication of GB2157964A publication Critical patent/GB2157964A/en
Application granted granted Critical
Publication of GB2157964B publication Critical patent/GB2157964B/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
    • B01D29/117—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 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
    • B01D29/62—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
    • 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
    • B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB08410688A 1984-04-26 1984-04-26 Backwash filter Expired GB2157964B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08410688A GB2157964B (en) 1984-04-26 1984-04-26 Backwash filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08410688A GB2157964B (en) 1984-04-26 1984-04-26 Backwash filter

Publications (3)

Publication Number Publication Date
GB8410688D0 GB8410688D0 (en) 1984-05-31
GB2157964A GB2157964A (en) 1985-11-06
GB2157964B true GB2157964B (en) 1987-12-16

Family

ID=10560124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410688A Expired GB2157964B (en) 1984-04-26 1984-04-26 Backwash filter

Country Status (1)

Country Link
GB (1) GB2157964B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8704582D0 (en) * 1987-02-26 1987-04-01 Dowty Mining Machinery Ltd Fluid filtering systems
US5370791A (en) * 1991-08-22 1994-12-06 G A Industries, Inc. Backwashable self-cleaning strainer
US5401396A (en) * 1991-08-22 1995-03-28 Ga Industries Inc. Self-cleaning stationary basket strainer
GB2293333C (en) * 1994-09-09 2007-12-07 Hosford James Peter Self cleaning filter or screening system for a pump
FR2743505B1 (en) * 1996-01-15 1998-02-13 Cellier Groupe Sa SELF-CLEANING FILTRATION DEVICE
AUPO389796A0 (en) 1996-11-29 1996-12-19 Techsearch Incorporated Filter with counter flow clearing
DE19701689B4 (en) * 1997-01-20 2005-12-08 Mann + Hummel Gmbh Filter for liquids, in particular slit filter
IL156833A0 (en) 2001-01-18 2004-02-08 Jackson Nicholas Water filter
US8329045B2 (en) 2003-06-05 2012-12-11 Aqua-Aerobic Systems, Inc. Stationary cloth media filtration
US7892421B2 (en) * 2003-06-05 2011-02-22 Aqua-Aerobic Systems, Inc. Stationary cloth media filtration and self-aligning backwash assembly

Also Published As

Publication number Publication date
GB8410688D0 (en) 1984-05-31
GB2157964A (en) 1985-11-06

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee