ATA700576A - SURFACE VENTILATION CIRCUIT - Google Patents

SURFACE VENTILATION CIRCUIT

Info

Publication number
ATA700576A
ATA700576A AT700576A AT700576A ATA700576A AT A700576 A ATA700576 A AT A700576A AT 700576 A AT700576 A AT 700576A AT 700576 A AT700576 A AT 700576A AT A700576 A ATA700576 A AT A700576A
Authority
AT
Austria
Prior art keywords
ventilation circuit
surface ventilation
circuit
ventilation
Prior art date
Application number
AT700576A
Other languages
German (de)
Other versions
AT343063B (en
Original Assignee
Kaelin J R
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 Kaelin J R filed Critical Kaelin J R
Publication of ATA700576A publication Critical patent/ATA700576A/en
Application granted granted Critical
Publication of AT343063B publication Critical patent/AT343063B/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Dry Development In Electrophotography (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
AT700576A 1975-09-24 1976-09-21 SURFACE VENTILATOR AT343063B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1240175A CH591278A5 (en) 1975-09-24 1975-09-24

Publications (2)

Publication Number Publication Date
ATA700576A true ATA700576A (en) 1977-08-15
AT343063B AT343063B (en) 1978-05-10

Family

ID=4382655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT700576A AT343063B (en) 1975-09-24 1976-09-21 SURFACE VENTILATOR

Country Status (19)

Country Link
JP (1) JPS5241446A (en)
AT (1) AT343063B (en)
AU (1) AU1799976A (en)
BR (1) BR7606400A (en)
CH (1) CH591278A5 (en)
CS (1) CS189034B2 (en)
DD (1) DD126165A5 (en)
DE (1) DE2559170C2 (en)
EG (1) EG12940A (en)
ES (1) ES451802A1 (en)
FR (1) FR2325610A1 (en)
GB (1) GB1559868A (en)
IE (1) IE43724B1 (en)
IT (1) IT1075245B (en)
MX (1) MX3697E (en)
NL (1) NL7610424A (en)
PL (1) PL110638B1 (en)
TR (1) TR19499A (en)
ZA (1) ZA765661B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5828822B2 (en) * 1978-01-23 1983-06-18 三立電機株式会社 switching regulator
JPS5857068B2 (en) * 1978-04-28 1983-12-17 ティーディーケイ株式会社 Switching power supply control method
DE4221845C2 (en) * 1992-07-03 1996-02-22 Sondia Holding Ag Process for aerating liquid, surface aeration gyro to carry out the method and use of the surface aeration gyro
JP5758345B2 (en) * 2012-05-09 2015-08-05 住友重機械エンバイロメント株式会社 Impeller
WO2017051405A1 (en) * 2015-09-24 2017-03-30 O2 Waterator Ltd. Centrifugal aerator
JP7426271B2 (en) * 2020-03-27 2024-02-01 住友重機械エンバイロメント株式会社 impeller
CN113854231B (en) * 2021-10-15 2022-11-18 中国水产科学研究院 Efficient and energy-saving aerator for aquaculture and working method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH443165A (en) * 1964-02-27 1967-08-31 Kaelin J R Device for circulating and aerating water r
CH463409A (en) * 1968-05-28 1968-09-30 Kaelin J R Surface aerators for circulating and aerating liquids, in particular for waste water purification systems
CH478719A (en) * 1968-11-28 1969-09-30 Kaelin J R Vertical-axis aerator for aerating liquids, especially wastewater to be treated
CH495293A (en) * 1969-05-19 1970-08-31 Kaelin J R Vertical axis aerator for aerating liquids
DE2240847A1 (en) * 1972-08-19 1974-02-28 Koppers Gmbh Heinrich Surface aeration impeller - with extension flaps hinged to blades for angle of incidence adjustment

Also Published As

Publication number Publication date
PL110638B1 (en) 1980-07-31
AT343063B (en) 1978-05-10
IE43724B1 (en) 1981-05-06
JPS5241446A (en) 1977-03-31
MX3697E (en) 1981-05-08
DD126165A5 (en) 1977-06-22
TR19499A (en) 1979-03-29
CH591278A5 (en) 1977-09-15
DE2559170C2 (en) 1984-08-30
EG12940A (en) 1980-03-31
DE2559170A1 (en) 1977-03-31
CS189034B2 (en) 1979-03-30
IE43724L (en) 1977-03-24
BR7606400A (en) 1977-05-31
FR2325610A1 (en) 1977-04-22
GB1559868A (en) 1980-01-30
ES451802A1 (en) 1977-11-01
NL7610424A (en) 1977-03-28
JPS561157B2 (en) 1981-01-12
AU1799976A (en) 1978-04-06
ZA765661B (en) 1977-08-31
IT1075245B (en) 1985-04-22

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee