GB2303563B - Screening apparatus - Google Patents

Screening apparatus

Info

Publication number
GB2303563B
GB2303563B GB9515431A GB9515431A GB2303563B GB 2303563 B GB2303563 B GB 2303563B GB 9515431 A GB9515431 A GB 9515431A GB 9515431 A GB9515431 A GB 9515431A GB 2303563 B GB2303563 B GB 2303563B
Authority
GB
United Kingdom
Prior art keywords
screening apparatus
screening
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
GB9515431A
Other versions
GB2303563A (en
GB9515431D0 (en
Inventor
Leonard Harris
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10778367&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2303563(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to GB9515431A priority Critical patent/GB2303563B/en
Publication of GB9515431D0 publication Critical patent/GB9515431D0/en
Publication of GB2303563A publication Critical patent/GB2303563A/en
Application granted granted Critical
Publication of GB2303563B publication Critical patent/GB2303563B/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
    • 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
    • B01D29/114—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 inward 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
    • B01D29/605—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 level 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
    • 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
    • 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
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter 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
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
GB9515431A 1995-07-27 1995-07-27 Screening apparatus Expired - Fee Related GB2303563B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9515431A GB2303563B (en) 1995-07-27 1995-07-27 Screening apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9515431A GB2303563B (en) 1995-07-27 1995-07-27 Screening apparatus

Publications (3)

Publication Number Publication Date
GB9515431D0 GB9515431D0 (en) 1995-09-27
GB2303563A GB2303563A (en) 1997-02-26
GB2303563B true GB2303563B (en) 1999-04-07

Family

ID=10778367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9515431A Expired - Fee Related GB2303563B (en) 1995-07-27 1995-07-27 Screening apparatus

Country Status (1)

Country Link
GB (1) GB2303563B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2375972A (en) * 2001-06-02 2002-12-04 Brian Denis Waring Filter with automatic backwashing
CN113931464A (en) * 2021-09-23 2022-01-14 中建八局第一建设有限公司 Structure outer wall continuously sprays maintenance and maintains water, rainwater recovery system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1357902A (en) * 1971-04-22 1974-06-26 Glenfield & Kennedy Ltd Liquid straining apparatus
WO1988001899A1 (en) * 1986-09-08 1988-03-24 Allsing Karl J A method in primarily so-called rotating filters, and a filter
WO1988007401A1 (en) * 1987-04-03 1988-10-06 Kemijoki Oy Self-operated drum filter and method for the filtration of water
WO1990000435A1 (en) * 1988-07-14 1990-01-25 Tage Christoffer Hansen Method of cleaning particles from a filter and a filter for use hereby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1357902A (en) * 1971-04-22 1974-06-26 Glenfield & Kennedy Ltd Liquid straining apparatus
WO1988001899A1 (en) * 1986-09-08 1988-03-24 Allsing Karl J A method in primarily so-called rotating filters, and a filter
WO1988007401A1 (en) * 1987-04-03 1988-10-06 Kemijoki Oy Self-operated drum filter and method for the filtration of water
WO1990000435A1 (en) * 1988-07-14 1990-01-25 Tage Christoffer Hansen Method of cleaning particles from a filter and a filter for use hereby

Also Published As

Publication number Publication date
GB2303563A (en) 1997-02-26
GB9515431D0 (en) 1995-09-27

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Legal Events

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

Effective date: 19990727

728V Application for restoration filed (sect. 28/1977)
7282 Application for restoration refused (sect. 28/1977)