FR2248078B1 - - Google Patents

Info

Publication number
FR2248078B1
FR2248078B1 FR7435105A FR7435105A FR2248078B1 FR 2248078 B1 FR2248078 B1 FR 2248078B1 FR 7435105 A FR7435105 A FR 7435105A FR 7435105 A FR7435105 A FR 7435105A FR 2248078 B1 FR2248078 B1 FR 2248078B1
Authority
FR
France
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
FR7435105A
Other languages
French (fr)
Other versions
FR2248078A1 (en
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.)
Alfa Laval AB
Original Assignee
Alfa Laval AB
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 Alfa Laval AB filed Critical Alfa Laval AB
Publication of FR2248078A1 publication Critical patent/FR2248078A1/fr
Application granted granted Critical
Publication of FR2248078B1 publication Critical patent/FR2248078B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C3/00—Treating manure; Manuring
    • A01C3/02—Storage places for manure, e.g. cisterns for liquid manure; Installations for fermenting manure
    • A01C3/026—Storage places for manure, e.g. cisterns for liquid manure; Installations for fermenting manure with mixing or agitating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F23/23351—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas moving along the axis of rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2335—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer
    • B01F23/23353—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the direction of introduction of the gas relative to the stirrer the gas being sucked towards the rotating stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23363—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced above the stirrer
    • 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
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • 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)
  • Soil Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental Sciences (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
FR7435105A 1973-10-18 1974-10-18 Aerator for foamable liquid manure - has hollow motor-driven shaft with propeller and surrounding pipe for foam recirculation Granted FR2248078A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT886773A AT327830B (de) 1973-10-18 1973-10-18 Vorrichtung zur begasung von schaumfahigen flussigkeiten in senk-, dunggruben od.dgl.

Publications (2)

Publication Number Publication Date
FR2248078A1 FR2248078A1 (en) 1975-05-16
FR2248078B1 true FR2248078B1 (de) 1976-10-22

Family

ID=3609209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435105A Granted FR2248078A1 (en) 1973-10-18 1974-10-18 Aerator for foamable liquid manure - has hollow motor-driven shaft with propeller and surrounding pipe for foam recirculation

Country Status (5)

Country Link
AT (1) AT327830B (de)
DE (1) DE2449212A1 (de)
FR (1) FR2248078A1 (de)
NO (1) NO743759L (de)
SE (1) SE7412823L (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT348454B (de) * 1975-12-30 1979-02-26 Poepel Dr Ing Franz Einrichtung zur begasung von fluessigkeit
DE2714308A1 (de) * 1977-03-31 1978-10-05 Horst Ing Grad Schade Belueftungseinrichtung zum umwaelzen und belueften von fluessigkeiten
DE2933784C2 (de) * 1979-08-21 1986-02-27 Suma Sulzberger Maschinenbau Gmbh & Co Kg, Gerhard Thuerwaechter, 8961 Sulzberg Jaucherührgerät
CA1139463A (en) * 1979-10-02 1983-01-11 Jon G. Albertsson Apparatus for contacting a liquid with a gas
US4328175A (en) * 1979-10-02 1982-05-04 Union Carbide Corporation Apparatus for contacting a liquid with a gas
DE3130597C2 (de) * 1981-08-01 1986-07-24 Klöckner-Werke AG, 4100 Duisburg Verfahren und Vorrichtung zum Begasen einer Flüssigkeit
DE3200701A1 (de) * 1982-01-13 1983-07-28 Durst, Franz J., Prof.Dr., 7507 Pfinztal Verfahren und vorrichtung zum begasen und umwaelzen von fluessigkeiten
HU188312B (en) * 1982-03-15 1986-04-28 Dunantuli Regionalis Vizmue Es Vizgazdalkodasi Vallalat,Hu Mixing aerating device
DE3814649C1 (de) * 1988-04-29 1989-04-13 Harald Feldkirch At Purkathofer
SE469073B (sv) * 1991-06-28 1993-05-10 Alfa Laval Agri Int Foerfarande vid fermentering av foeretraedesvis hoegviskoesa substrat i en fermenteringstank
DE10120111A1 (de) * 2001-04-25 2002-11-07 Fachhochschule Oldenburg Ostfr Verfahren zum Einbringen eines Gases, insbesondere von Sauerstoff, in tiefere Bereiche einer Flüssigkeitsansammlung, insbesondere eines Sees, und Vorrichtung zum Durchführen des Verfahrens
CN110026103B (zh) * 2019-03-20 2021-10-19 中铁四局集团有限公司 一种小型盾构用泡沫剂生产设备

Also Published As

Publication number Publication date
ATA886773A (de) 1975-04-15
SE7412823L (de) 1975-04-21
AT327830B (de) 1976-02-25
DE2449212A1 (de) 1975-04-24
FR2248078A1 (en) 1975-05-16
NO743759L (de) 1975-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse