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
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)
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)
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)
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 |
-
1976
- 1976-12-14 AT AT925376A patent/AT348454B/en not_active IP Right Cessation
- 1976-12-23 CH CH1623576A patent/CH619154A5/en not_active IP Right Cessation
- 1976-12-27 NL NL7614453A patent/NL173245C/en not_active IP Right Cessation
- 1976-12-29 FR FR7639399A patent/FR2336967A1/en active Granted
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 |
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V1 | Lapsed because of non-payment of the annual fee |