SE9003035A - - Google Patents

Info

Publication number
SE9003035A
SE9003035A SE9003035A SE9003035A SE9003035A SE 9003035 A SE9003035 A SE 9003035A SE 9003035 A SE9003035 A SE 9003035A SE 9003035 A SE9003035 A SE 9003035A SE 9003035 A SE9003035 A SE 9003035A
Authority
SE
Sweden
Prior art keywords
mixer
air intake
diminishing
upside
risk
Prior art date
Application number
SE9003035A
Other versions
SE466737B (en
SE9003035D0 (en
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 filed Critical
Priority to SE9003035A priority Critical patent/SE466737B/en
Publication of SE9003035D0 publication Critical patent/SE9003035D0/en
Priority to EP91850195A priority patent/EP0479742B1/en
Priority to DE69109431T priority patent/DE69109431T2/en
Priority to AT91850195T priority patent/ATE122026T1/en
Priority to JP3215466A priority patent/JPH06102137B2/en
Priority to AU83612/91A priority patent/AU641543B2/en
Priority to US07/766,236 priority patent/US5174652A/en
Publication of SE9003035A publication Critical patent/SE9003035A/xx
Publication of SE466737B publication Critical patent/SE466737B/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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • 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
    • B01F27/25—Mixers with both stirrer and drive unit submerged in the material being mixed
    • 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)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Nozzles (AREA)

Abstract

The invention concerns a device to limit the amount of air intake into a rotating mixer operating beneath a liquid surface. The mixer (1) is provided with a cover (6) on its upside for diminishing the risk for air intake when the mixer operates near the surface (10).
SE9003035A 1990-09-25 1990-09-25 AIR BUCKING LIMITER PROVIDES A STIRRATOR PROVIDED UNDER A WATER SHUTTER WITH A PROPELLER ON A MAJOR HORIZONTALLY AXED SE466737B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9003035A SE466737B (en) 1990-09-25 1990-09-25 AIR BUCKING LIMITER PROVIDES A STIRRATOR PROVIDED UNDER A WATER SHUTTER WITH A PROPELLER ON A MAJOR HORIZONTALLY AXED
EP91850195A EP0479742B1 (en) 1990-09-25 1991-08-14 Air intake supressor
DE69109431T DE69109431T2 (en) 1990-09-25 1991-08-14 Arrangement for suppressing air intake.
AT91850195T ATE122026T1 (en) 1990-09-25 1991-08-14 ARRANGEMENT FOR SUPPRESSING AIR SUCTION.
JP3215466A JPH06102137B2 (en) 1990-09-25 1991-08-27 Device that limits the amount of air taken into a rotary mixer that operates below the liquid level
AU83612/91A AU641543B2 (en) 1990-09-25 1991-09-02 Air intake supressor
US07/766,236 US5174652A (en) 1990-09-25 1991-09-24 Air intake supressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9003035A SE466737B (en) 1990-09-25 1990-09-25 AIR BUCKING LIMITER PROVIDES A STIRRATOR PROVIDED UNDER A WATER SHUTTER WITH A PROPELLER ON A MAJOR HORIZONTALLY AXED

Publications (3)

Publication Number Publication Date
SE9003035D0 SE9003035D0 (en) 1990-09-25
SE9003035A true SE9003035A (en) 1992-03-26
SE466737B SE466737B (en) 1992-03-30

Family

ID=20380436

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9003035A SE466737B (en) 1990-09-25 1990-09-25 AIR BUCKING LIMITER PROVIDES A STIRRATOR PROVIDED UNDER A WATER SHUTTER WITH A PROPELLER ON A MAJOR HORIZONTALLY AXED

Country Status (7)

Country Link
US (1) US5174652A (en)
EP (1) EP0479742B1 (en)
JP (1) JPH06102137B2 (en)
AT (1) ATE122026T1 (en)
AU (1) AU641543B2 (en)
DE (1) DE69109431T2 (en)
SE (1) SE466737B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5084664B2 (en) * 2008-08-19 2012-11-28 株式会社鶴見製作所 Horizontal submersible electric mixer
EP2671350A4 (en) 2011-02-01 2014-12-03 Timeplay Entertainment Corp Systems and methods for interactive experiences and controllers therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR367664A (en) * 1906-06-09 1906-11-07 Albert Lespagnol Endless wire for sawing stones, marbles, granites, porphyries, ores, slates, etc., using a pulverized wearing or lapping body and water
US1226400A (en) * 1916-09-09 1917-05-15 Sidney A Smith Raffle-plate for propeller-wheels.
US2078179A (en) * 1935-04-15 1937-04-20 Johnson Brothers Engineering C Trolling plate
DE1457121C3 (en) * 1965-05-29 1974-01-17 Passavant-Werke Michelbacher Huette, 6209 Aarbergen Repository for unilaterally driven horizontal-axis aeration rotors for wastewater treatment
DE2446086A1 (en) * 1974-09-26 1976-04-08 Weissenhorner Manfred Mixing and dispersion of sewage - using mixing element in channel or storage parallel with or across flow
US4240990A (en) * 1979-04-10 1980-12-23 Aeration Industries, Inc. Aeration propeller and apparatus
US4431597A (en) * 1982-09-29 1984-02-14 Air-O-Lator Corporation Horizontal mixing aerator
US4581182A (en) * 1985-02-21 1986-04-08 Air-O-Lator Corporation Submersible mixer with air injection
US4671872A (en) * 1986-03-18 1987-06-09 Air-O-Lator Corporation Aerator mast with azimuth lock and bottom stop

Also Published As

Publication number Publication date
JPH04247229A (en) 1992-09-03
US5174652A (en) 1992-12-29
SE466737B (en) 1992-03-30
AU8361291A (en) 1992-04-02
JPH06102137B2 (en) 1994-12-14
EP0479742B1 (en) 1995-05-03
ATE122026T1 (en) 1995-05-15
AU641543B2 (en) 1993-09-23
EP0479742A1 (en) 1992-04-08
DE69109431T2 (en) 1996-01-18
DE69109431D1 (en) 1995-06-08
SE9003035D0 (en) 1990-09-25

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