FR1064129A - Liquid flow closure on threshold at low blade height - Google Patents

Liquid flow closure on threshold at low blade height

Info

Publication number
FR1064129A
FR1064129A FR1064129DA FR1064129A FR 1064129 A FR1064129 A FR 1064129A FR 1064129D A FR1064129D A FR 1064129DA FR 1064129 A FR1064129 A FR 1064129A
Authority
FR
France
Prior art keywords
threshold
liquid flow
blade height
flow closure
low blade
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
Other languages
French (fr)
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.)
Trailigaz Compagnie Generale de lOzone SA
Original Assignee
Trailigaz Compagnie Generale de lOzone SA
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 Trailigaz Compagnie Generale de lOzone SA filed Critical Trailigaz Compagnie Generale de lOzone SA
Application granted granted Critical
Publication of FR1064129A publication Critical patent/FR1064129A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/04—Aerobic processes using trickle filters
    • C02F3/043—Devices for distributing water over trickle filters
    • 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
    • B01D24/20—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 provided in an open container
    • B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
    • 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
    • B01D24/40—Feed or discharge devices for feeding
    • 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
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/48—Overflow systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
FR1064129D 1952-10-06 1952-10-06 Liquid flow closure on threshold at low blade height Expired FR1064129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1064129T 1952-10-06

Publications (1)

Publication Number Publication Date
FR1064129A true FR1064129A (en) 1954-05-11

Family

ID=9601541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064129D Expired FR1064129A (en) 1952-10-06 1952-10-06 Liquid flow closure on threshold at low blade height

Country Status (1)

Country Link
FR (1) FR1064129A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173269A (en) * 1961-10-13 1965-03-16 Norman M Imbertson Collapsible dam
US3246474A (en) * 1960-10-20 1966-04-19 Mesnager Jacques Jean Emile Flexible, vertically-adjustable dam
EP0036793A1 (en) * 1980-03-26 1981-09-30 "DEGREMONT" Société dite: Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter
EP0530398A1 (en) * 1990-04-02 1993-03-10 Baker Hughes Incorporated Filter cleaning apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246474A (en) * 1960-10-20 1966-04-19 Mesnager Jacques Jean Emile Flexible, vertically-adjustable dam
US3173269A (en) * 1961-10-13 1965-03-16 Norman M Imbertson Collapsible dam
EP0036793A1 (en) * 1980-03-26 1981-09-30 "DEGREMONT" Société dite: Device for distributing water over a filter filled with granular material, and reuse of the washing water from said filter
FR2479011A1 (en) * 1980-03-26 1981-10-02 Degremont Sa DEVICE FOR THE DISTRIBUTION OF WATER ON A GRANULAR MATERIAL FILLING FILTER AND THE RECOVERY OF THE WASHING WATER OF SAID FILTER
EP0530398A1 (en) * 1990-04-02 1993-03-10 Baker Hughes Incorporated Filter cleaning apparatus

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