GB1468655A - Method for the treatment of mesh screens - Google Patents

Method for the treatment of mesh screens

Info

Publication number
GB1468655A
GB1468655A GB750773A GB750773A GB1468655A GB 1468655 A GB1468655 A GB 1468655A GB 750773 A GB750773 A GB 750773A GB 750773 A GB750773 A GB 750773A GB 1468655 A GB1468655 A GB 1468655A
Authority
GB
United Kingdom
Prior art keywords
treatment
mesh screens
ozone
bacteria
solution
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
GB750773A
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.)
Ovivo UK Ltd
Original Assignee
Ovivo UK 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 Ovivo UK Ltd filed Critical Ovivo UK Ltd
Priority to GB750773A priority Critical patent/GB1468655A/en
Priority to JP48128102A priority patent/JPS49132656A/ja
Priority to DE19742407339 priority patent/DE2407339A1/en
Publication of GB1468655A publication Critical patent/GB1468655A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • 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
    • 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
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element 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
    • B01D29/682—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
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/081—Regeneration of the filter using nozzles or suction devices
    • B01D2201/084—Nozzles placed on the filtrate side 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
    • B01D2201/08—Regeneration of the filter
    • B01D2201/085—Regeneration of the filter using another chemical than the liquid to be filtered

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

1468655 Treating screens with ozone solution F W BRACKETT & CO Ltd 29 April 1974 [15 Feb 1973] 7507/73 Heading B1D A mesh screen (e.g. rotating cylindrical screen) is treated (e.g. by spraying, brushing or rolling) with a solution of ozone in water to inhibit the growth of slime and bacteria thereon or to remove slime and bacteria therefrom.
GB750773A 1973-02-15 1973-02-15 Method for the treatment of mesh screens Expired GB1468655A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB750773A GB1468655A (en) 1973-02-15 1973-02-15 Method for the treatment of mesh screens
JP48128102A JPS49132656A (en) 1973-02-15 1973-11-14
DE19742407339 DE2407339A1 (en) 1973-02-15 1974-02-15 PROCEDURES FOR PREVENTING CONTAMINATION ON SEVEN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB750773A GB1468655A (en) 1973-02-15 1973-02-15 Method for the treatment of mesh screens

Publications (1)

Publication Number Publication Date
GB1468655A true GB1468655A (en) 1977-03-30

Family

ID=9834450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB750773A Expired GB1468655A (en) 1973-02-15 1973-02-15 Method for the treatment of mesh screens

Country Status (3)

Country Link
JP (1) JPS49132656A (en)
DE (1) DE2407339A1 (en)
GB (1) GB1468655A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014074547A3 (en) * 2012-11-07 2014-07-24 Veolia Water Solutions & Technologies Support Process for inhibiting biological growth on a gravity fed disc filter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913347A1 (en) * 2006-11-27 2008-09-12 Realisation Et De Commercialis IMMERSE FILTER DEVICE FOR FILTERING WATER.
CN110976271A (en) * 2019-11-20 2020-04-10 芜湖格普农业机械科技有限公司 Layered vibration screening machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014074547A3 (en) * 2012-11-07 2014-07-24 Veolia Water Solutions & Technologies Support Process for inhibiting biological growth on a gravity fed disc filter
GB2522154A (en) * 2012-11-07 2015-07-15 Veolia Water Solutions & Tech Process for inhibiting biological growth on a gravity fed disc filter
CN104884391A (en) * 2012-11-07 2015-09-02 威立雅水务技术支持公司 Process for inhibiting biological growth on a gravity fed disc filter

Also Published As

Publication number Publication date
DE2407339A1 (en) 1974-08-22
JPS49132656A (en) 1974-12-19

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Legal Events

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