FR2374068A1 - Installation de decantation et de filtration rapide se rincant a contre-courant - Google Patents

Installation de decantation et de filtration rapide se rincant a contre-courant

Info

Publication number
FR2374068A1
FR2374068A1 FR7737846A FR7737846A FR2374068A1 FR 2374068 A1 FR2374068 A1 FR 2374068A1 FR 7737846 A FR7737846 A FR 7737846A FR 7737846 A FR7737846 A FR 7737846A FR 2374068 A1 FR2374068 A1 FR 2374068A1
Authority
FR
France
Prior art keywords
settlement
flushing
filter
liquid
filtration plant
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
FR7737846A
Other languages
English (en)
Other versions
FR2374068B3 (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.)
Sulzer AG
Original Assignee
Sulzer AG
Sulzer Freres 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 Sulzer AG, Sulzer Freres SA filed Critical Sulzer AG
Publication of FR2374068A1 publication Critical patent/FR2374068A1/fr
Application granted granted Critical
Publication of FR2374068B3 publication Critical patent/FR2374068B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0045—Plurality of essentially parallel plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2416—Liquid distributors with a plurality of feed points
    • 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
    • B01D24/10—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 held in a closed container
    • B01D24/12—Downward filtration, the filtering 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
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • 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
    • B01D36/04—Combinations of filters with settling tanks
    • 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
    • B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Installation de traitement de liquides, comprenant un dispositif de décantation dans lequel le liquide brut monte pendant la filtration, ainsi qu'une cuve de filtrage comportant à proximité du fond un plateau à tuyères sur lequel repose la couche filtrante et sous lequel se trouve dans le fond une chambre collectrice et d'évacuation du filtrat. Le dispositif de décantation 5 est disposé dans la chambre de submersion 4 se trouvant au-dessus de la couche filtrante 3. Application en particulier aux installations de filtration des eaux usées afin de réduire l'encombrement d'ensemble.
FR7737846A 1976-12-16 1977-12-15 Installation de decantation et de filtration rapide se rincant a contre-courant Granted FR2374068A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1587076A CH613125A5 (en) 1976-12-16 1976-12-16 Backwashable settling and rapid filter plant

Publications (2)

Publication Number Publication Date
FR2374068A1 true FR2374068A1 (fr) 1978-07-13
FR2374068B3 FR2374068B3 (fr) 1980-09-05

Family

ID=4412660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7737846A Granted FR2374068A1 (fr) 1976-12-16 1977-12-15 Installation de decantation et de filtration rapide se rincant a contre-courant

Country Status (2)

Country Link
CH (1) CH613125A5 (fr)
FR (1) FR2374068A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179104A (zh) * 2011-05-06 2011-09-14 上海市松江自来水公司 一种平流式沉淀池的改造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220386C2 (de) * 1981-06-27 1985-11-07 Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach Verfahren zum Betreiben von Adsorptionsfiltern
DE3249697C2 (de) * 1981-06-27 1986-01-09 Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach Filter mit einer Füllung aus körnigem Adsorbens
CN106823546B (zh) * 2017-02-25 2022-06-28 天津金隅混凝土有限公司 泥浆水回收系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179104A (zh) * 2011-05-06 2011-09-14 上海市松江自来水公司 一种平流式沉淀池的改造方法

Also Published As

Publication number Publication date
CH613125A5 (en) 1979-09-14
FR2374068B3 (fr) 1980-09-05

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