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FR2119272A5 - Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting - Google Patents

Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting

Info

Publication number
FR2119272A5
FR2119272A5 FR7046933A FR7046933A FR2119272A5 FR 2119272 A5 FR2119272 A5 FR 2119272A5 FR 7046933 A FR7046933 A FR 7046933A FR 7046933 A FR7046933 A FR 7046933A FR 2119272 A5 FR2119272 A5 FR 2119272A5
Authority
FR
France
Prior art keywords
flocculater
thickener
obviate
combined
concentric
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
FR7046933A
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.)
CLIPPELEIR SEDEC ETS DE
Original Assignee
CLIPPELEIR SEDEC ETS DE
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 CLIPPELEIR SEDEC ETS DE filed Critical CLIPPELEIR SEDEC ETS DE
Priority to FR7046933A priority Critical patent/FR2119272A5/en
Priority to FR7122566A priority patent/FR2142285A6/en
Application granted granted Critical
Publication of FR2119272A5 publication Critical patent/FR2119272A5/en
Expired 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
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide 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
    • B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
    • 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
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • 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
    • B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • 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
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • 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
    • 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
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • 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
    • B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
    • B01D21/286—Means for gentle agitation for enhancing flocculation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

A flocculater/thickener of type comprising inner flocculating section from the bottom of which slurry passes to outer concentric decantation tank, has flocculation stirrers driven by individual electric motors to overcome maintenance difficulties and expenses of gearing and concentric shafting. Thickening rakes are moved by central shaft or by other means of connection from rotating beam driven at peripheral rail. Slurry is conveyed under skirt of flocculating enclosure over downward slope of conical baffle rotating with central shaft.
FR7046933A 1970-12-24 1970-12-24 Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting Expired FR2119272A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7046933A FR2119272A5 (en) 1970-12-24 1970-12-24 Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting
FR7122566A FR2142285A6 (en) 1970-12-24 1971-06-17 Settling and clarifying appts - for sludge/water mixts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7046933A FR2119272A5 (en) 1970-12-24 1970-12-24 Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting

Publications (1)

Publication Number Publication Date
FR2119272A5 true FR2119272A5 (en) 1972-08-04

Family

ID=9066452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7046933A Expired FR2119272A5 (en) 1970-12-24 1970-12-24 Combined flocculater thickener - with individual drives to obviate immersed moving parts and concentric shafting

Country Status (1)

Country Link
FR (1) FR2119272A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1007977C2 (en) * 1998-01-07 1999-07-08 Witteveen & Bos Raadgevende In Settling tank for separation of active sludge from treated sewage
FR2863908A1 (en) * 2003-12-22 2005-06-24 Otv Sa Fluid treatment procedure and reactor for flocculation and separation uses submersed guide tube to create turbulent axial flow in flocculation tank

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1007977C2 (en) * 1998-01-07 1999-07-08 Witteveen & Bos Raadgevende In Settling tank for separation of active sludge from treated sewage
FR2863908A1 (en) * 2003-12-22 2005-06-24 Otv Sa Fluid treatment procedure and reactor for flocculation and separation uses submersed guide tube to create turbulent axial flow in flocculation tank
WO2005065832A1 (en) * 2003-12-22 2005-07-21 Otv Sa Method and reactor for flocculation treatment
CN100503052C (en) * 2003-12-22 2009-06-24 Otv股份有限公司 Method and reactor for flocculation treatment, fluid treatment equipment
US7648638B2 (en) 2003-12-22 2010-01-19 Otv S.A. Method for treating wastewater
US7906018B2 (en) 2003-12-22 2011-03-15 Otv S.A. System for treating wastewater

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Legal Events

Date Code Title Description
ST Notification of lapse