IT1125367B - Rotore di aerazione superficiale - Google Patents
Rotore di aerazione superficialeInfo
- Publication number
- IT1125367B IT1125367B IT2349579A IT2349579A IT1125367B IT 1125367 B IT1125367 B IT 1125367B IT 2349579 A IT2349579 A IT 2349579A IT 2349579 A IT2349579 A IT 2349579A IT 1125367 B IT1125367 B IT 1125367B
- Authority
- IT
- Italy
- Prior art keywords
- surface aeration
- aeration rotor
- rotor
- aeration
- 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
-
- 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
- B01F23/234—Surface aerating
- B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
- B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
- B01F23/234211—Stirrers thereof
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/75—Flowing liquid aspirates gas
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH637278A CH630268A5 (de) | 1978-06-12 | 1978-06-12 | Oberflaechenbelueftungskreisel. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7923495A0 IT7923495A0 (it) | 1979-06-12 |
IT1125367B true IT1125367B (it) | 1986-05-14 |
Family
ID=4308541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2349579A IT1125367B (it) | 1978-06-12 | 1979-06-12 | Rotore di aerazione superficiale |
Country Status (5)
Country | Link |
---|---|
US (1) | US4322377A (it) |
JP (1) | JPS5534190A (it) |
CH (1) | CH630268A5 (it) |
DE (1) | DE2923375A1 (it) |
IT (1) | IT1125367B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419043A (en) * | 1981-11-05 | 1983-12-06 | Smith Thomas W | Centrifugal pump |
JPS5887106A (ja) * | 1981-11-20 | 1983-05-24 | Toyo Ink Mfg Co Ltd | 水性樹脂分散体の製造法 |
CH666020A5 (de) * | 1983-12-07 | 1988-06-30 | Kaelin J R | Oberflaechenbelueftungskreisel sowie ein einen solchen enthaltendes abwasserbelueftungsbecken. |
JPS62172055A (ja) * | 1986-01-25 | 1987-07-29 | Matsushita Electric Works Ltd | 不飽和ポリエステル樹脂組成物 |
JP3253212B2 (ja) * | 1993-03-31 | 2002-02-04 | 関西化学機械製作株式会社 | 攪拌翼および攪拌方法 |
US5785424A (en) * | 1993-04-30 | 1998-07-28 | Kansai Chemical Engineering Co. Ltd. | Agitator blade having agitators with open first and second ends and inner fabrics therein |
DE69810067T2 (de) | 1997-11-14 | 2003-10-02 | Kansai Chemical Engineering Co., Ltd. | Vorrichtung und Verfahren zur Flüssigkeitsejektion |
CA2298879C (en) | 1999-02-22 | 2004-09-14 | Hideo Noda | Liquid ejection apparatus and liquid ejection method |
JP4591653B2 (ja) * | 2003-08-08 | 2010-12-01 | 東洋インキ製造株式会社 | 複合樹脂エマルジョン含有水性塗料組成物 |
TWM427158U (en) * | 2012-01-06 | 2012-04-21 | zong-ming Li | Rotating blades and water mist machine having the same |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA667735A (en) * | 1963-07-30 | Ames Crosta Mills And Company Limited | Surface aeration of liquids | |
US721036A (en) * | 1901-11-19 | 1903-02-17 | John Gwynne | Apparatus for aerating liquids. |
DE337179C (de) * | 1919-02-05 | 1921-06-06 | Bbc Brown Boveri & Cie | Drehbare Leitschaufel fuer Kreiselverdichter |
GB185139A (en) * | 1921-02-24 | 1922-08-24 | Hall & Kay Ltd | Improvements in or relating to centrifugal fans, blowers and the like |
US1471141A (en) * | 1922-09-09 | 1923-10-16 | Robert Alfred Blake | Centrifugal fan |
US2072944A (en) * | 1934-12-21 | 1937-03-09 | Chicago Pump Co | Aerator |
US2253406A (en) * | 1938-05-31 | 1941-08-19 | Albert W Rockwood | Air delivery device |
US2351516A (en) * | 1940-05-24 | 1944-06-13 | Bendix Aviat Corp | Turbotransmission |
US2589558A (en) * | 1949-07-13 | 1952-03-18 | Lamoreaux Frank | Stirrer |
US2620039A (en) * | 1951-07-03 | 1952-12-02 | Arthur P Allen | Reversible rotary fan |
US3241820A (en) * | 1962-12-11 | 1966-03-22 | Carves Simon Ltd | Apparatus for the aeration of liquids |
US3341450A (en) * | 1965-10-24 | 1967-09-12 | Yeomans Brothers Co | Gasification apparatus and method |
US3513326A (en) * | 1967-05-22 | 1970-05-19 | Harold S Potts | Wind motor wheel |
CH478719A (de) * | 1968-11-28 | 1969-09-30 | Kaelin J R | Vertikalachsiger Belüfterkreisel zum Belüften von Flüssigkeiten, insbesondere von zu klärenden Abwässern |
US3591149A (en) * | 1969-01-16 | 1971-07-06 | Passavant Werke | Aeration apparatus |
CH495293A (de) * | 1969-05-19 | 1970-08-31 | Kaelin J R | Vertikalachsiger Belüfterkreisel zum Belüften von Flüssigkeiten |
US3648989A (en) * | 1969-07-24 | 1972-03-14 | Bernhard Friehe | Apparatus for the aeration of liquids |
CH502838A (de) * | 1969-11-18 | 1971-02-15 | Kaelin J R | Um eine lotrechte Achse angetriebener Kreisel zum Begasen von Flüssigkeiten, insbesondere zum Belüften von zu klärenden Abwässern |
DE2254171C2 (de) * | 1972-11-01 | 1974-08-08 | Vizgepeszeti Vallalat, Lajosmizse (Ungarn) | Vertikalachsiger Belüftungsrotor zur Umwälzung und Belüftung von Abwässern |
US3794303A (en) * | 1973-06-11 | 1974-02-26 | B Hirshon | Method and apparatus for aerating bodies of water |
NL155796B (nl) * | 1974-08-29 | 1978-02-15 | Hubert & Co Maschf | Rotor voor een oppervlaktebeluchter. |
US4066383A (en) * | 1976-06-18 | 1978-01-03 | General Signal Corporation | Surface aeration impeller |
US4139330A (en) * | 1977-04-14 | 1979-02-13 | Buffalo Forge Company | Adjustable vane centrifugal pump impeller construction |
-
1978
- 1978-06-12 CH CH637278A patent/CH630268A5/de not_active IP Right Cessation
-
1979
- 1979-06-08 DE DE19792923375 patent/DE2923375A1/de not_active Ceased
- 1979-06-12 IT IT2349579A patent/IT1125367B/it active
- 1979-06-12 JP JP7394079A patent/JPS5534190A/ja active Granted
-
1980
- 1980-12-04 US US06/213,059 patent/US4322377A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0124557B2 (it) | 1989-05-12 |
JPS5534190A (en) | 1980-03-10 |
DE2923375A1 (de) | 1979-12-13 |
IT7923495A0 (it) | 1979-06-12 |
US4322377A (en) | 1982-03-30 |
CH630268A5 (de) | 1982-06-15 |
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