FR2817486B1 - INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS - Google Patents

INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS

Info

Publication number
FR2817486B1
FR2817486B1 FR0015775A FR0015775A FR2817486B1 FR 2817486 B1 FR2817486 B1 FR 2817486B1 FR 0015775 A FR0015775 A FR 0015775A FR 0015775 A FR0015775 A FR 0015775A FR 2817486 B1 FR2817486 B1 FR 2817486B1
Authority
FR
France
Prior art keywords
screeners
increase
flow rate
rotary drum
admissible flow
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
FR0015775A
Other languages
French (fr)
Other versions
FR2817486A1 (en
Inventor
Laurent Pierre Francis Cognee
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.)
POITEVINE DE FILTRATION SOC
Original Assignee
POITEVINE DE FILTRATION SOC
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 POITEVINE DE FILTRATION SOC filed Critical POITEVINE DE FILTRATION SOC
Priority to FR0015775A priority Critical patent/FR2817486B1/en
Publication of FR2817486A1 publication Critical patent/FR2817486A1/en
Application granted granted Critical
Publication of FR2817486B1 publication Critical patent/FR2817486B1/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
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • 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
    • B01D29/01—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 flat 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
    • 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
    • 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
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/904—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously
    • 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
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • 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
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/157—Flow control valves: Damping or calibrated passages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FR0015775A 2000-12-04 2000-12-04 INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS Expired - Fee Related FR2817486B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0015775A FR2817486B1 (en) 2000-12-04 2000-12-04 INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0015775A FR2817486B1 (en) 2000-12-04 2000-12-04 INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS

Publications (2)

Publication Number Publication Date
FR2817486A1 FR2817486A1 (en) 2002-06-07
FR2817486B1 true FR2817486B1 (en) 2003-09-05

Family

ID=8857268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0015775A Expired - Fee Related FR2817486B1 (en) 2000-12-04 2000-12-04 INCREASE IN THE ADMISSIBLE FLOW RATE BY ROTARY DRUM SCREENERS

Country Status (1)

Country Link
FR (1) FR2817486B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515462B (en) * 2022-03-16 2022-12-06 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1022857A (en) * 1972-06-22 1977-12-20 Hydrocyclonics Corporation Rotary screen filter with continuous cleaning
DE8001666U1 (en) * 1980-01-23 1980-06-26 Passavant-Werke Michelbacher Huette, 6209 Aarbergen DEVICE FOR SEPARATING SOLID IMPURITIES FROM WASTEWATER
SE433073B (en) * 1983-04-29 1984-05-07 Karl Johan Borje Hellman DEVICE FOR CLEANING OF LIQUID MEDIA, LIKE THE WASTE WATER
FI81019C (en) * 1988-10-13 1992-03-24 Sunds Defibrator Rauma Oy FOERFARANDE OCH ANORDNING FOER FILTRERING AV SUSPENSION.
DE29712366U1 (en) * 1997-07-12 1997-09-25 Geiger, Robert, 89335 Ichenhausen Device for filtering water

Also Published As

Publication number Publication date
FR2817486A1 (en) 2002-06-07

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Legal Events

Date Code Title Description
TP Transmission of property
PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20180831