DE69805078D1 - Gas-flüssigkeit-venturi-mischer - Google Patents
Gas-flüssigkeit-venturi-mischerInfo
- Publication number
- DE69805078D1 DE69805078D1 DE69805078T DE69805078T DE69805078D1 DE 69805078 D1 DE69805078 D1 DE 69805078D1 DE 69805078 T DE69805078 T DE 69805078T DE 69805078 T DE69805078 T DE 69805078T DE 69805078 D1 DE69805078 D1 DE 69805078D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- gas
- draft tube
- impeller
- venturi mixer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 abstract 10
- 239000007789 gas Substances 0.000 abstract 6
- 239000003570 air Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000010842 industrial wastewater Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000010841 municipal wastewater Substances 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/206—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with helical screw impellers
-
- 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
- B01F23/23315—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 hollow guide surrounding the stirrer element
-
- 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
- B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
- B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
-
- 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
- B01F23/2336—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 location of the place of introduction of the gas relative to the stirrer
- B01F23/23363—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 location of the place of introduction of the gas relative to the stirrer the gas being introduced above the stirrer
-
- 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
- B01F23/2366—Parts; Accessories
- B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/81—Forming mixtures with changing ratios or gradients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1875—Stationary reactors having moving elements inside resulting in a loop-type movement internally, i.e. the mixture circulating inside the vessel such that the upwards stream is separated physically from the downwards stream(s)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- 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
- C02F3/1294—"Venturi" aeration means
-
- 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
- B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
- B01F27/1144—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections with a plurality of blades following a helical path on a shaft or a blade support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00189—Controlling or regulating processes controlling the stirring velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00779—Baffles attached to the stirring means
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/908,858 US5925290A (en) | 1997-08-08 | 1997-08-08 | Gas-liquid venturi mixer |
PCT/EP1998/005010 WO1999007460A1 (en) | 1997-08-08 | 1998-08-07 | Gas-liquid venturi mixer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69805078D1 true DE69805078D1 (de) | 2002-05-29 |
DE69805078T2 DE69805078T2 (de) | 2002-10-31 |
Family
ID=25426333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1998605078 Expired - Lifetime DE69805078T2 (de) | 1997-08-08 | 1998-08-07 | Gas-flüssigkeit-venturi-mischer |
Country Status (9)
Country | Link |
---|---|
US (1) | US5925290A (de) |
EP (1) | EP1001840B1 (de) |
AT (1) | ATE216629T1 (de) |
AU (1) | AU9258698A (de) |
DE (1) | DE69805078T2 (de) |
DK (1) | DK1001840T3 (de) |
ES (1) | ES2173617T3 (de) |
PT (1) | PT1001840E (de) |
WO (1) | WO1999007460A1 (de) |
Families Citing this family (46)
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US6520490B1 (en) * | 1999-09-23 | 2003-02-18 | Soilsoup Inc. | Liquid compost aerator and method of using same |
JP3108025B2 (ja) * | 1996-09-06 | 2000-11-13 | 久夫 小嶋 | 気液処理装置 |
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US7182871B2 (en) * | 1996-12-17 | 2007-02-27 | Global Biosciences, Inc. | Wastewater treatment with alkanes |
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US6923914B2 (en) * | 1996-12-17 | 2005-08-02 | Global Biosciences, Inc. | Remediation of metal contaminants with hydrocarbon-utilizing bacteria |
US6835312B2 (en) * | 2001-05-15 | 2004-12-28 | Global Biosciences, Inc. | Method and apparatus for treatment of septic systems with alkane-utilizing bacteria |
US6669846B2 (en) * | 1996-12-17 | 2003-12-30 | Global Biosciences, Inc. | Wastewater treatment with alkanes |
US20030201227A1 (en) * | 1996-12-17 | 2003-10-30 | Perriello Felix Anthony | Remediation of odorous media |
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US6534023B1 (en) | 2000-09-26 | 2003-03-18 | Huei Tarng Liou | Fluid dynamic ozone generating assembly |
FR2823742B1 (fr) * | 2001-04-19 | 2004-03-12 | Alain Boulant | Dispositif pour brasser et aerer un liquide dans une cuve de traitement |
FR2823743B1 (fr) * | 2001-04-19 | 2004-03-12 | Alain Boulant | Dispositif pour brasser et aerer un liquide dans une cuve de traitement |
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US7329532B2 (en) * | 2001-07-27 | 2008-02-12 | Global Biosciences, Inc. | Remediation of sulfur-containing pollutants with hydrocarbon-utilizing bacteria |
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US7510661B2 (en) * | 2004-05-04 | 2009-03-31 | Hills Blair H | Separation system for the removal of fat, oil or grease from wastewater |
EP1765486B1 (de) | 2004-06-21 | 2009-09-02 | Blair H. Hills | Vorrichtung zur diffundierten belüftung |
US8146894B2 (en) * | 2004-06-21 | 2012-04-03 | Hills Blair H | Apparatus for mixing gasses and liquids |
US7661660B2 (en) * | 2005-01-06 | 2010-02-16 | Fisher Pumps, Inc. | Method and apparatus for aeration of a fluid |
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WO2007115099A2 (en) | 2006-03-31 | 2007-10-11 | Hills Blair H | Apparatus for mixing gasses and liquids |
US7455776B2 (en) * | 2006-11-21 | 2008-11-25 | Praxair Technology, Inc. | Method for mixing high viscous liquids with gas |
US7497949B2 (en) | 2006-11-21 | 2009-03-03 | Praxair Technology, Inc. | System and method for oxygenating an aerobic sludge digester |
DE102007013533A1 (de) * | 2006-12-28 | 2008-07-03 | Ultrasonic Systems Gmbh | Ultraschall gestütztes Verfahren und Vorrichtung zur Gasbeladung und Entkeimung von durch Keime kontaminierten Flüssigkeiten und Kläranlagen |
US20110036771A1 (en) * | 2007-01-09 | 2011-02-17 | Steven Woodard | Ballasted anaerobic system and method for treating wastewater |
US20100213123A1 (en) * | 2007-01-09 | 2010-08-26 | Marston Peter G | Ballasted sequencing batch reactor system and method for treating wastewater |
US8470172B2 (en) | 2007-01-09 | 2013-06-25 | Siemens Industry, Inc. | System for enhancing a wastewater treatment process |
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US8387957B2 (en) * | 2009-01-29 | 2013-03-05 | Aqua-Aerobic Systems, Inc. | Downflow mixers with gas injection devices and/or baffles |
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US20130140246A1 (en) * | 2011-12-01 | 2013-06-06 | Malcolm Fabiyi | Method and system for enhancing mass transfer in aeration/oxygenation systems |
CN104395246A (zh) | 2012-06-11 | 2015-03-04 | 伊沃夸水处理技术有限责任公司 | 使用固定膜工艺和压载沉降的处理 |
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JP6345546B2 (ja) * | 2014-09-02 | 2018-06-20 | メタウォーター株式会社 | 省動力型曝気撹拌装置 |
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US10654009B1 (en) | 2018-02-27 | 2020-05-19 | Mainstream Engineering Corporation | Spouted bed with venturi draft tube and method for improved gas-solid contacting |
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CN115228322B (zh) * | 2022-07-06 | 2024-05-14 | 内蒙古鄂尔多斯化学工业有限公司 | 一种管道混合器 |
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-
1997
- 1997-08-08 US US08/908,858 patent/US5925290A/en not_active Expired - Lifetime
-
1998
- 1998-08-07 AT AT98945172T patent/ATE216629T1/de active
- 1998-08-07 ES ES98945172T patent/ES2173617T3/es not_active Expired - Lifetime
- 1998-08-07 DE DE1998605078 patent/DE69805078T2/de not_active Expired - Lifetime
- 1998-08-07 WO PCT/EP1998/005010 patent/WO1999007460A1/en active IP Right Grant
- 1998-08-07 PT PT98945172T patent/PT1001840E/pt unknown
- 1998-08-07 DK DK98945172T patent/DK1001840T3/da active
- 1998-08-07 EP EP19980945172 patent/EP1001840B1/de not_active Expired - Lifetime
- 1998-08-07 AU AU92586/98A patent/AU9258698A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DK1001840T3 (da) | 2002-08-12 |
ES2173617T3 (es) | 2002-10-16 |
EP1001840B1 (de) | 2002-04-24 |
ATE216629T1 (de) | 2002-05-15 |
US5925290A (en) | 1999-07-20 |
WO1999007460A1 (en) | 1999-02-18 |
EP1001840A1 (de) | 2000-05-24 |
PT1001840E (pt) | 2002-09-30 |
AU9258698A (en) | 1999-03-01 |
DE69805078T2 (de) | 2002-10-31 |
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Owner name: BAYER CROPSCIENCE AG, 40789 MONHEIM, DE Owner name: BAYER S.A.S., LYON, FR |