FR2294738A1 - Dispositif de filtration de boues - Google Patents

Dispositif de filtration de boues

Info

Publication number
FR2294738A1
FR2294738A1 FR7538556A FR7538556A FR2294738A1 FR 2294738 A1 FR2294738 A1 FR 2294738A1 FR 7538556 A FR7538556 A FR 7538556A FR 7538556 A FR7538556 A FR 7538556A FR 2294738 A1 FR2294738 A1 FR 2294738A1
Authority
FR
France
Prior art keywords
filtration device
sludge filtration
sludge
filtration
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.)
Granted
Application number
FR7538556A
Other languages
English (en)
Other versions
FR2294738B1 (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.)
Bird Machine Co Inc
Original Assignee
Bird Machine Co Inc
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 Bird Machine Co Inc filed Critical Bird Machine Co Inc
Publication of FR2294738A1 publication Critical patent/FR2294738A1/fr
Application granted granted Critical
Publication of FR2294738B1 publication Critical patent/FR2294738B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • 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
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B01D33/19—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
    • 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
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B01D33/763—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/002—Counter-current extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
FR7538556A 1974-12-16 1975-12-16 Dispositif de filtration de boues Granted FR2294738A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/533,338 US3966610A (en) 1974-12-16 1974-12-16 Filter

Publications (2)

Publication Number Publication Date
FR2294738A1 true FR2294738A1 (fr) 1976-07-16
FR2294738B1 FR2294738B1 (fr) 1982-05-21

Family

ID=24125527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538556A Granted FR2294738A1 (fr) 1974-12-16 1975-12-16 Dispositif de filtration de boues

Country Status (7)

Country Link
US (1) US3966610A (fr)
JP (1) JPS5186873A (fr)
BR (1) BR7508292A (fr)
CA (1) CA1075616A (fr)
DE (1) DE2555851C3 (fr)
FR (1) FR2294738A1 (fr)
GB (1) GB1499120A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802880A (nl) * 1978-03-16 1979-09-18 Hubert & Co Maschf Werkwijze en inrichting voor het winnen van vaste stof uit een mengsel van vloeistof en vaste deeltjes.
US4286283A (en) * 1979-12-20 1981-08-25 Rca Corporation Transcoder
US4539827A (en) * 1983-03-11 1985-09-10 Westvaco Corporation Belt washing improvements
US4721566A (en) * 1985-07-12 1988-01-26 Freeport Minerals Company Tilting pan filters and cam therefor
GB2184035A (en) * 1985-12-17 1987-06-17 Coal Ind Filter apparatus
US5738787A (en) * 1995-10-30 1998-04-14 Imc-Agrico Company Filter pan
US7886850B2 (en) * 2008-10-10 2011-02-15 National Oilwell Varco, L.P. Drilling fluid screening systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668557A (en) * 1921-04-23 1928-05-08 Grondal Gustaf Continuous filtering apparatus
FR1534998A (fr) * 1966-07-16 1968-08-02 Albert Ag Chem Werke Procédé et dispositif de déshydratation des boues de décantation
US3830658A (en) * 1972-06-13 1974-08-20 Prayon Method and device for washing a continuous filter with a horizontal filtration surface and cells

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1687863A (en) * 1924-07-26 1928-10-16 Walton C Graham Filter
NL45069C (fr) * 1932-09-06
US2197770A (en) * 1938-11-02 1940-04-23 Francis L Pruyn Filter bed cleaning
US2302449A (en) * 1940-03-21 1942-11-17 William C Laughlin Filter apparatus
US2677467A (en) * 1953-01-06 1954-05-04 Dorr Co Traveling tray-belt filter
US3216576A (en) * 1962-05-15 1965-11-09 Bird Machine Co Horizontal filter structure
US3552572A (en) * 1968-07-23 1971-01-05 Cleophas L Lehmann Sediment trap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668557A (en) * 1921-04-23 1928-05-08 Grondal Gustaf Continuous filtering apparatus
FR1534998A (fr) * 1966-07-16 1968-08-02 Albert Ag Chem Werke Procédé et dispositif de déshydratation des boues de décantation
US3830658A (en) * 1972-06-13 1974-08-20 Prayon Method and device for washing a continuous filter with a horizontal filtration surface and cells

Also Published As

Publication number Publication date
CA1075616A (fr) 1980-04-15
BR7508292A (pt) 1976-08-24
JPS5186873A (fr) 1976-07-29
DE2555851A1 (de) 1976-06-24
FR2294738B1 (fr) 1982-05-21
DE2555851B2 (de) 1979-12-20
DE2555851C3 (de) 1980-08-28
GB1499120A (en) 1978-01-25
US3966610A (en) 1976-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse