FR2698798B1 - Systeme hydraulique de dosage proportionnel de liquide ou de gaz. - Google Patents

Systeme hydraulique de dosage proportionnel de liquide ou de gaz.

Info

Publication number
FR2698798B1
FR2698798B1 FR9214792A FR9214792A FR2698798B1 FR 2698798 B1 FR2698798 B1 FR 2698798B1 FR 9214792 A FR9214792 A FR 9214792A FR 9214792 A FR9214792 A FR 9214792A FR 2698798 B1 FR2698798 B1 FR 2698798B1
Authority
FR
France
Prior art keywords
gas
liquid
dosing system
hydraulic proportional
proportional dosing
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
FR9214792A
Other languages
English (en)
Other versions
FR2698798A1 (fr
Inventor
Andre Girou
Boukari Morou
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.)
DGL IND
Original Assignee
DGL IND
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 DGL IND filed Critical DGL IND
Priority to FR9214792A priority Critical patent/FR2698798B1/fr
Publication of FR2698798A1 publication Critical patent/FR2698798A1/fr
Application granted granted Critical
Publication of FR2698798B1 publication Critical patent/FR2698798B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4331—Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for bending the flow
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/686—Devices for dosing liquid additives
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR9214792A 1992-12-04 1992-12-04 Systeme hydraulique de dosage proportionnel de liquide ou de gaz. Expired - Fee Related FR2698798B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9214792A FR2698798B1 (fr) 1992-12-04 1992-12-04 Systeme hydraulique de dosage proportionnel de liquide ou de gaz.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214792A FR2698798B1 (fr) 1992-12-04 1992-12-04 Systeme hydraulique de dosage proportionnel de liquide ou de gaz.

Publications (2)

Publication Number Publication Date
FR2698798A1 FR2698798A1 (fr) 1994-06-10
FR2698798B1 true FR2698798B1 (fr) 1996-10-04

Family

ID=9436363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9214792A Expired - Fee Related FR2698798B1 (fr) 1992-12-04 1992-12-04 Systeme hydraulique de dosage proportionnel de liquide ou de gaz.

Country Status (1)

Country Link
FR (1) FR2698798B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19935912A1 (de) * 1999-07-30 2001-02-01 Degussa Verfahren zum Dotieren eines flüssigen Mediums mit einem flüssigen Dotierungsmittel und Vorrichtung zu seiner Durchführung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2198998A (en) * 1937-11-24 1940-04-30 Orin E Honsberger Mixing and spraying device
GB1128287A (en) * 1967-05-05 1968-09-25 Ford Motor Co Fluid mixers
GB1262436A (en) * 1970-04-03 1972-02-02 Shell Int Research Apparatus for mixing two gas streams
US3671025A (en) * 1971-05-03 1972-06-20 Perry R Elliott Fluid mixing device

Also Published As

Publication number Publication date
FR2698798A1 (fr) 1994-06-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse