NL173245B - Apparatus for introducing gas into a liquid, comprising a rotor equipped with blades, a dip tube and a screen. - Google Patents

Apparatus for introducing gas into a liquid, comprising a rotor equipped with blades, a dip tube and a screen.

Info

Publication number
NL173245B
NL173245B NL7614453A NL7614453A NL173245B NL 173245 B NL173245 B NL 173245B NL 7614453 A NL7614453 A NL 7614453A NL 7614453 A NL7614453 A NL 7614453A NL 173245 B NL173245 B NL 173245B
Authority
NL
Netherlands
Prior art keywords
blades
screen
liquid
dip tube
introducing gas
Prior art date
Application number
NL7614453A
Other languages
Dutch (nl)
Other versions
NL173245C (en
NL7614453A (en
Original Assignee
Stelzer Erwin
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
Priority claimed from DE2559235A external-priority patent/DE2559235B2/en
Priority claimed from DE19762646519 external-priority patent/DE2646519A1/en
Priority claimed from DE2646517A external-priority patent/DE2646517C2/en
Application filed by Stelzer Erwin filed Critical Stelzer Erwin
Publication of NL7614453A publication Critical patent/NL7614453A/en
Publication of NL173245B publication Critical patent/NL173245B/en
Application granted granted Critical
Publication of NL173245C publication Critical patent/NL173245C/en

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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
    • C02F3/165—Activated sludge processes using surface aeration the aerator having a vertical axis using vertical aeration channels
    • 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
    • B01F23/23312—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 conduit surrounding the 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
    • B01F23/2335—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
    • B01F23/23352—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 perpendicular to 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
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices
    • 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
    • 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
    • B01F27/111—Centrifugal stirrers, i.e. stirrers with radial outlets; Stirrers of the turbine type, e.g. with means to guide the flow
    • 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)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
NL7614453A 1975-12-30 1976-12-27 Apparatus for introducing gas into a liquid, comprising a rotor equipped with blades, a dip tube and a screen. NL173245C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2559235A DE2559235B2 (en) 1975-12-30 1975-12-30 Gassing device
DE19762646519 DE2646519A1 (en) 1976-10-15 1976-10-15 Aerator and stirrer for liquid effluent - designed to disperse gas in small bubbles without surging
DE2646517A DE2646517C2 (en) 1976-10-15 1976-10-15 Gassing device

Publications (3)

Publication Number Publication Date
NL7614453A NL7614453A (en) 1977-07-04
NL173245B true NL173245B (en) 1983-08-01
NL173245C NL173245C (en) 1984-01-02

Family

ID=27186691

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7614453A NL173245C (en) 1975-12-30 1976-12-27 Apparatus for introducing gas into a liquid, comprising a rotor equipped with blades, a dip tube and a screen.

Country Status (4)

Country Link
AT (1) AT348454B (en)
CH (1) CH619154A5 (en)
FR (1) FR2336967A1 (en)
NL (1) NL173245C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839758C2 (en) * 1978-09-13 1982-05-06 Fried. Krupp Gmbh, 4300 Essen Agitator for a flotation system
DE2933784C2 (en) * 1979-08-21 1986-02-27 Suma Sulzberger Maschinenbau Gmbh & Co Kg, Gerhard Thuerwaechter, 8961 Sulzberg Slurry mixer
US4328175A (en) * 1979-10-02 1982-05-04 Union Carbide Corporation Apparatus for contacting a liquid with a gas
DE3921464C2 (en) * 1989-06-30 1994-02-24 Helmut Dorn Slurry mixer
US5160459A (en) * 1990-11-27 1992-11-03 Claudio Guarnaschelli Fluid mixer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH294349A (en) * 1951-08-13 1953-11-15 Pista Sa Installation for the treatment of a liquid.
FR1528047A (en) * 1967-04-25 1968-06-07 Apparatus for the oxidation of waste water
AT276262B (en) * 1967-09-26 1969-11-25 Hubert Fuchs Mixing unit for introducing any additional substances as secondary components into liquids or stationary waters, in particular for the biological purification of water
CH466818A (en) * 1967-12-08 1968-12-15 Pista Sa Process for treating a liquid by means of a gaseous fluid and installation for carrying out this process
DE2343214A1 (en) * 1972-10-17 1975-03-06 Peters & Co Metallwaren Erich DEVICE FOR KILLING DISEASE-GENERATING GERMS AND / OR FOR ODOR REDUCTION OR ODOR ELIMINATION OF LIQUIDS CONTAINING ORGANIC SUBSTANCES
AT327830B (en) * 1973-10-18 1976-02-25 Alfa Laval Stalltech DEVICE FOR FASTENING FOAMABLE LIQUIDS IN SUMMARY, DUNGE PITS OR DGL.
FR2281323A1 (en) * 1974-08-09 1976-03-05 Jeanmougin Michel Oxidation deodoriser for liquid manure and waste water - with gas-liquid mixing at bottom of tank

Also Published As

Publication number Publication date
NL173245C (en) 1984-01-02
AT348454B (en) 1979-02-26
NL7614453A (en) 1977-07-04
ATA925376A (en) 1978-06-15
FR2336967B1 (en) 1983-01-21
CH619154A5 (en) 1980-09-15
FR2336967A1 (en) 1977-07-29

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: ERWIN STELZER

SNR Assignments of patents or rights arising from examined patent applications

Owner name: STELZER RUEHRTECHNIK GMBH

V1 Lapsed because of non-payment of the annual fee