ZA916775B - Aeration apparatus with draft tube - Google Patents

Aeration apparatus with draft tube

Info

Publication number
ZA916775B
ZA916775B ZA916775A ZA916775A ZA916775B ZA 916775 B ZA916775 B ZA 916775B ZA 916775 A ZA916775 A ZA 916775A ZA 916775 A ZA916775 A ZA 916775A ZA 916775 B ZA916775 B ZA 916775B
Authority
ZA
South Africa
Prior art keywords
draft tube
aeration apparatus
aeration
draft
tube
Prior art date
Application number
ZA916775A
Inventor
Graeme John Jameson
John Jameson Graeme
Original Assignee
Univ Newcastle Res Ass
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 Univ Newcastle Res Ass filed Critical Univ Newcastle Res Ass
Publication of ZA916775B publication Critical patent/ZA916775B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • 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
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • 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
    • 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
    • B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
    • B01F23/23413—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere using nozzles for projecting the liquid into the gas atmosphere
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4335—Mixers with a converging-diverging cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4337—Mixers with a diverging-converging cross-section
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/305—Treatment of water, waste water or sewage
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Physical Water Treatments (AREA)
ZA916775A 1990-08-27 1991-08-27 Aeration apparatus with draft tube ZA916775B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPK197490 1990-08-27

Publications (1)

Publication Number Publication Date
ZA916775B true ZA916775B (en) 1992-05-27

Family

ID=3774921

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA916775A ZA916775B (en) 1990-08-27 1991-08-27 Aeration apparatus with draft tube
ZA916774A ZA916774B (en) 1990-08-27 1991-08-27 Aeration apparatus with diffuser

Family Applications After (1)

Application Number Title Priority Date Filing Date
ZA916774A ZA916774B (en) 1990-08-27 1991-08-27 Aeration apparatus with diffuser

Country Status (8)

Country Link
EP (1) EP0546033A1 (en)
JP (1) JPH06500260A (en)
KR (1) KR930702065A (en)
CN (1) CN1060453A (en)
CA (1) CA2090619A1 (en)
MX (2) MX9100830A (en)
WO (3) WO1992003219A1 (en)
ZA (2) ZA916775B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1329277C (en) * 1986-09-25 1994-05-03 Graeme John Jameson Column flotation method and apparatus
DE4309918C2 (en) * 1993-03-26 1994-09-15 Voith Gmbh J M Flotation cell with an injector
AUPN683795A0 (en) * 1995-11-27 1995-12-21 Burns Philp Food Holdings Pty Limited A device for entraining a gas into a liquid
AU9613498A (en) * 1997-12-09 1999-07-01 Multotec Process Equipment (Pty) Ltd A method and apparatus for aeration of liquids or slurries
JP2007111573A (en) * 2004-06-08 2007-05-10 Tetsuhiko Fujisato Aeration method, its apparatus and its system
US7476320B1 (en) * 2004-11-12 2009-01-13 Leggette Brashears & Graham, Inc. Process for groundwater remediation
FI122973B (en) * 2005-06-17 2012-09-28 Metso Paper Inc Injector for flotation cell, nozzle part in injector for flotation cell, flotation cell and method for mixing fiber suspension strip and air with each other in injector for flotation cell
JP2008200604A (en) * 2007-02-20 2008-09-04 Fuji Clean Kogyo Kk Bubble treatment device and water treatment apparatus
TWI580778B (en) * 2007-06-19 2017-05-01 再生海藻能源公司 Process for microalgae conditioning and concentration
US8544827B1 (en) 2009-04-28 2013-10-01 Nested Nozzle Mixers, Inc. Nested nozzle mixer
AT509812B1 (en) * 2010-05-10 2013-06-15 Ac2T Res Gmbh DEVICE AND METHOD FOR THE ARTIFICIAL AGING OF A FLUID
JP5535861B2 (en) * 2010-10-08 2014-07-02 三菱重工業株式会社 Aeration apparatus and seawater flue gas desulfurization apparatus equipped with the aeration apparatus
CN102351267B (en) * 2011-06-28 2013-05-08 福州威龙环保技术有限公司 Micro bubble and micro-nano bubble diffusing apparatus
JP6042061B2 (en) * 2011-10-12 2016-12-14 Ｊｆｅエンジニアリング株式会社 Spray nozzle, fluid atomizer using the spray nozzle
JP5912393B2 (en) * 2011-10-12 2016-04-27 Ｊｆｅエンジニアリング株式会社 Spray nozzle and method of mixing gas and liquid
CN102491510B (en) * 2011-12-06 2013-06-12 江南大学 Membrane up-flow aerobic bioreactor (MUAR)
BR112015028972A2 (en) * 2013-05-23 2017-07-25 Dpsms Tecnologia E Inovacao Em Mineracao Ltda automated column flotation system with aerator nozzles and process
FR3018206A1 (en) * 2014-03-07 2015-09-11 Degremont METHOD AND DEVICE FOR DISPERSION OF GAS IN A LIQUID
CN104291428A (en) * 2014-10-22 2015-01-21 无锡市通用机械厂有限公司 Pre-wetting device of PAM (polyacrylamide) dosing equipment
WO2016169493A1 (en) * 2015-04-22 2016-10-27 关广联 Water oxygenation device
WO2017193156A1 (en) * 2016-05-09 2017-11-16 Aerofloat (Holdings) Pty Ltd Aerating lance assembly and aeration tank incorporating same
CN106745864A (en) * 2016-12-23 2017-05-31 重庆科创水处理设备有限公司 Water treatment aeration dispersal device
CN108339673B (en) * 2018-02-10 2023-11-21 内蒙古科灵时代矿业技术有限公司 Cavitation jet flow flotation bubble generator and flotation device
GB2582980A (en) * 2019-04-12 2020-10-14 Colin Howard Stanwell Smith Improvements to sewage treatment plants
CN110479127B (en) * 2019-07-18 2020-09-29 中国矿业大学 Micro-nano bubble generating device and method for generating micro-nano bubbles
CN112340823B (en) * 2020-10-27 2021-08-24 四川轻化工大学 Wastewater treatment device and treatment method thereof
CN114772773B (en) * 2022-06-23 2022-09-02 福建省粤华环保科技有限公司 Self-adaptive oil-water separation equipment

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Publication number Priority date Publication date Assignee Title
GB329013A (en) * 1929-02-07 1930-05-07 Ig Farbenindustrie Ag Improvements in and apparatus for the clarification of liquids and the separation of finely powdered solid substances
DE1484829A1 (en) * 1964-10-30 1969-05-29 Jakob Eckert Device for the biological clarification of waste water
GB1486697A (en) * 1975-03-25 1977-09-21 Dwars Ing Bureau Process and installation for the purification of sewage
CH600938A5 (en) * 1975-12-10 1978-06-30 Sulzer Ag
FR2338071A1 (en) * 1976-01-16 1977-08-12 Cem Comp Electro Mec METHOD AND DEVICE FOR THE FORMATION OF GAS BUBBLES, FOR EXAMPLE WITH A VIEW OF FLOTATION
FR2353489A1 (en) * 1976-06-02 1977-12-30 Arantes Rathsam Marius Purificn. of waste water and sewage - by air diffusion in presence of activated sludge (BR 28.6.77)
GB1545559A (en) * 1976-09-09 1979-05-10 Portals Water Treatment Ltd Aeration in a flotation process
FR2437866A1 (en) * 1978-10-03 1980-04-30 Carboxyque Francaise Gas diffuser e.g. for oxygenating or carbonating liquids - releases bubbles beneath deflector which extends bubble path to surface
US4564480A (en) * 1978-12-20 1986-01-14 Eduard Kamelmacher Aeration system and method
US4220612A (en) * 1979-04-23 1980-09-02 Envirotech Corporation Flotation cell feed duct
DE3008476A1 (en) * 1980-03-05 1981-09-17 Bayer Ag, 5090 Leverkusen METHOD FOR FLOTATION AND USE OF FUNNEL NOZZLES FOR FLOTATION
US4282172A (en) * 1980-09-11 1981-08-04 Howe-Baker Engineers, Inc. Gas to liquid diffuser
DE3144386C2 (en) * 1981-11-07 1983-12-29 J.M. Voith Gmbh, 7920 Heidenheim Injector flotation apparatus
CA1329277C (en) * 1986-09-25 1994-05-03 Graeme John Jameson Column flotation method and apparatus
US4938899A (en) * 1988-09-30 1990-07-03 Oros Leo J Gas diffusion system
US4863644A (en) * 1988-11-04 1989-09-05 Enviroquip, Inc. Gas diffuser
EP0445169A1 (en) * 1988-11-22 1991-09-11 Dunne Miller Weston Limited Liquid-gas mixing device

Also Published As

Publication number Publication date
WO1992003219A1 (en) 1992-03-05
ZA916774B (en) 1992-05-27
JPH06500260A (en) 1994-01-13
KR930702065A (en) 1993-09-08
CN1060453A (en) 1992-04-22
MX9100829A (en) 1992-04-01
CA2090619A1 (en) 1992-02-28
MX9100830A (en) 1992-04-01
WO1992003218A1 (en) 1992-03-05
EP0546033A1 (en) 1993-06-16
EP0546033A4 (en) 1994-02-02
WO1992003220A1 (en) 1992-03-05

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