EP2308601A1 - Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb - Google Patents

Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb Download PDF

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Publication number
EP2308601A1
EP2308601A1 EP09171568A EP09171568A EP2308601A1 EP 2308601 A1 EP2308601 A1 EP 2308601A1 EP 09171568 A EP09171568 A EP 09171568A EP 09171568 A EP09171568 A EP 09171568A EP 2308601 A1 EP2308601 A1 EP 2308601A1
Authority
EP
European Patent Office
Prior art keywords
gas
suspension
nozzle
mixing chamber
dispersing
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.)
Withdrawn
Application number
EP09171568A
Other languages
German (de)
English (en)
French (fr)
Inventor
Norbert Becker
Wolfgang Krieglstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41727990&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2308601(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP09171568A priority Critical patent/EP2308601A1/de
Priority to AU2010303034A priority patent/AU2010303034B2/en
Priority to PCT/EP2010/064366 priority patent/WO2011039190A1/de
Priority to CN2010800436186A priority patent/CN102548662A/zh
Priority to PE2012000394A priority patent/PE20130166A1/es
Priority to EP10760327A priority patent/EP2482989A1/de
Priority to CA2775614A priority patent/CA2775614C/en
Priority to MX2012003285A priority patent/MX2012003285A/es
Priority to US13/498,879 priority patent/US20120218852A1/en
Priority to RU2012117617/03A priority patent/RU2503502C1/ru
Publication of EP2308601A1 publication Critical patent/EP2308601A1/de
Priority to ZA2012/00731A priority patent/ZA201200731B/en
Priority to CL2012000449A priority patent/CL2012000449A1/es
Withdrawn legal-status Critical Current

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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
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • 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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • 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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3125—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characteristics of the Venturi parts
    • B01F25/31252—Nozzles
    • B01F25/312522—Profiled, grooved, ribbed nozzle, or being provided with baffles
    • 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
    • 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
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • 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
    • B03D1/24—Pneumatic
    • B03D1/242—Nozzles for injecting gas into the flotation tank
    • 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
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/913—Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction

Definitions

  • the invention relates to a dispersing nozzle for dispersing a suspension with at least one gas, in particular for a flotation machine comprising successively viewed in the flow direction of the suspension, a tapering in the flow direction suspension nozzle, a mixing chamber into which the suspension nozzle opens, a to the mixing chamber subsequent, itself in the flow direction tapered mixing tube and at least one gas supply line for supplying the at least one gas into the mixing chamber, and a method for operating a dispersion nozzle.
  • the invention further relates to a flotation machine equipped with at least one such dispersing nozzle, to a method for operating the flotation machine and to the use thereof.
  • a suspension of water and fine-grained solid mixed with reagents is generally introduced into a flotation chamber via at least one dispersing nozzle.
  • the purpose of the reagents is to ensure that, in particular, the valuable particles, which are preferably to be separated off, are rendered hydrophobic in the suspension.
  • the at least one dispersing nozzle is supplied with gas, in particular air or nitrogen, which comes into contact with the hydrophobic particles in the suspension.
  • gassing further gas is introduced into.
  • the hydrophobic particles adhere to forming gas bubbles, so that the gas bubble structures, also called aeroflocs, float and form the foam product on the surface of the suspension.
  • the foam product is discharged into a collecting container and usually thickened.
  • the quality of the foam product or the separation success of the process of flotation or pneumatic flotation depends inter alia on the probability of collision between a hydrophobic particle and a gas bubble.
  • the probability of collision is influenced, inter alia, by the dispersion of suspension and gas in the dispersing nozzle.
  • FIG. 2 is a longitudinal section through the dispersing 1 shown, in each of the flow path of suspension 2 and gas 7 are shown.
  • This known dispersing 1 comprises successively, in the flow direction (see arrow) of the suspension 2, a tapered in the flow direction suspension nozzle 3, a mixing chamber 4, in which the suspension nozzle 3 opens, a subsequent to the mixing chamber 4, tapering in the flow direction mixing tube 5 and at least one gas supply line 6 for supplying the at least one gas 7 into the mixing chamber 4.
  • the flotation machine 100 comprises a housing 101 with a flotation chamber 102 into which at least one dispersing nozzle 1 for supplying gas 7 and suspension 2 opens into the flotation chamber 102.
  • the housing 101 has a cylindrical housing section 101a, at the lower end of which at least one gassing arrangement 103 is arranged.
  • the upper edge of the outer wall of the housing 101 is located above the upper edge of the foam channel 104, whereby an overflow of the foam product on the upper edge of the housing 101 is excluded.
  • the housing 101 further has a bottom discharge opening 106. Particles of the suspension 2, for example, with one insufficient hydrophobized surface are provided or not collided with a gas bubbles, and hydrophilic particles sink in the direction of Bodenaustragsö réelle 106 from.
  • the gassing device 103 which is connected to a gas feed 103a, additional gas 7 is blown into the cylindrical housing section 101a, so that further hydrophobic particles are bound thereto and rise. Ideally, especially the hydrophilic particles continue to sink and are removed from the process via the bottom discharge opening 106.
  • the foam product passes from the flotation chamber 102 in the foam channel 104 and is discharged via the nozzle 105 and optionally thickened.
  • a dispersing nozzle for a flotation machine in which a water stream containing impurities to be separated is dispersed with air.
  • the air is displaced by a spiral air chamber in a rotational movement.
  • the at least one device which is able to set the suspension in a spiral rotation about a longitudinal center axis of the suspension nozzle may alternatively be formed as a spiral grooves or webs by at least one spiral nozzle insert and the like or a combination of such a nozzle insert with swirl grooves and / or webs, be formed.
  • a symmetrical arrangement of the outlet openings of the gas channels on the front side of the suspension nozzle has proven to produce as uniform as possible gas distribution in the mixing chamber.
  • the N gas channels are, viewed in the direction of the end face of the suspension nozzle, preferably arranged at a uniform distance from one another centered on at least one circular path about the longitudinal central axis of the suspension nozzle.
  • piezoelectronically controlled gas control valves as these opening and closing times in the range of a few milliseconds and meet the high demands placed on the feasible minimum opening and closing times in a dispersing nozzle according to the invention, optimally.
  • the object is achieved for the method for operating such a dispersing nozzle, ie comprising a suspension nozzle with gas channels and furthermore gas control valves, characterized in that the at least N gas channels associated gas control valves be operated clocked such that at any time at least one gas control valve is closed and at least one other gas control valve is open, wherein the gas supply to the suspension a gassing M following at each gas control valve is temporarily interrupted.
  • a gassing pattern M is understood to mean here a gas injection that changes over time and in succession at certain time intervals in succession via specific individual gas channels or groups of gas channels.
  • particularly effective gassing patterns M for a particular suspension can be experimentally identified and selected in a very short time, for example by an assessment of the resulting foam product when the method is used in a flotation machine.
  • the gas control valves for a maximum gas supply to the suspension are controlled such that only one gas channel is closed at any time, wherein the gas supply to the suspension a first gassing pattern M1 following one after the other at each of the gas channel is temporarily interrupted. This promotes uniform intake into and distribution of the gas in the suspension.
  • the second gassing pattern M2 is preferably designed in such a way that, viewed in the direction of the end face of the suspension nozzle, the at least one gas is supplied in succession by adjacent gas passages arranged next to one another. Particularly preferred is a feed of gas via gas channels, which in or in the counterclockwise direction, since this leads to a homogenization of the dispersing process.
  • a use of a flotation machine according to the invention for segregating an ore of gait has proven to be effective, since a particularly effective discharge of the ore takes place.
  • FIGS. 1 and 2 An already known dispersing nozzle for a flotation machine shown in FIGS. 1 and 2 has already been explained in the introduction.
  • FIG. 5 shows the suspension nozzle 3 'according to FIG. 3 from below, wherein the end face 3a 'of the suspension nozzle 3' can be seen with the swirl grooves, at which the rotated suspension 2 (see also FIGS. 8 and 9) emerges from the suspension nozzle 3 '.
  • the suspension nozzle 3 "according to FIGS 6 and 7 can not be exchanged directly with a suspension nozzle 3 of a conventional dispersing nozzle 1 in order to obtain a dispersing nozzle according to the invention, but instead a corresponding connection of the individual gas channels 31 to one or more gas supply lines 6a, 6b is required However, this is readily feasible for a person skilled in the art.
  • the dispersing nozzle 10 is particularly suitable for use in flotation machines or hybrid flotation cells (see FIG. 20 ).
  • the longitudinal section through the dispersing nozzle 10 shows in each case the flow path of suspension 2 and gas 7.
  • the dispersing 10 comprises successively, in the flow direction (see arrow) of the suspension 2, the tapering in the flow direction suspension nozzle 3 "', a mixing chamber 4, in which the suspension nozzle 3 "'opens, a mixing tube 5 adjoining the mixing chamber 4 and tapering in the flow direction and at least one gas supply line 6a, 6b for supplying at least one gas 7 via the gas channels 31 into the mixing chamber 4.
  • this water 12 ', 12 can also take place in the mixing tube 5' and it has proven useful to feed the mixing tube 5 'either directly in the area of the surface of the free jet forming (cf. FIG. 2 ), wherein a pressurized water line 11 'is guided via the mixing chamber 4 into the mixing tube 5' and / or the pressurized water line 12 "is guided through the wall of the mixing tube 5 '.
  • the gas passage 31a is connected to a gas control valve Va which controls a gas supply of the gas 7, 7a, 7b (see FIGS. 8 and 9) into the gas passage 31a.
  • the gas passage 31b is connected to a gas control valve Vb which controls gas supply of the gas 7, 7a, 7b into the gas passage 31b.
  • the gas passage 31c is connected to a gas control valve Vc which controls gas supply of the gas 7, 7a, 7b into the gas passage 31c.
  • the gas passage 31d is connected to a gas control valve Vd which controls gas supply of the gas 7, 7a, 7b into the gas passage 31d.
  • the gas passage 31e is connected to a gas control valve Ve, which controls gas supply of the gas 7, 7a, 7b into the gas passage 31e.
  • the gas passage 31f is connected to a gas control valve Vf which controls a gas supply of the gas 7, 7a, 7b into the gas passage 31f.
  • the gas passage 31g is provided with a gas control valve Vg connected, which regulates a gas supply of the gas 7, 7a, 7b in the gas passage 31g.
  • the gas passage 31h is connected to a gas control valve Vh which controls gas supply of the gas 7, 7a, 7b into the gas passage 31h.
  • FIG. 10 is only the gas control valve Va and thus the gas passage 31a closed, so that no gas 7, 7a, 7b exits here.
  • the other gas control valves Vb, Vc, Vd, Ve, Vf, Vg, Vh and thus also the gas channels 31b, 31c, 31d, 31e, 31f, 31g, 31h are open and allow access of the gas 7, 7a, 7b to not here illustrated mixing chamber.
  • the valve setting according to FIG. 10 but only maintained over a specific, experimentally determined in its optimal length time interval and then changed.
  • a first gassing pattern M1 is selected in which a single shutdown of the gas channels 31a to 31h or the associated valves Va to Vh takes place in constant clockwise succession at constant time intervals.
  • FIG. 10 shows FIG. 10 the first stage of the first fumigation pattern M1.
  • the closed gas channel travels clockwise per time interval, so that in each case the gas control valve Ve, Vf, Vg is closed one after the other per time interval.
  • the first gassing pattern M1 which, as seen in the clockwise direction on the end face 3a “, 3a"'of the suspension nozzle 3 ", 3"', revolves around a closed gas channel, is now complete and is repeated.
  • the following stage is identical to the first stage according to FIG. 10 , For each time interval, the first to eighth stages in succession are repeated again and again until a modified fumigation pattern M is desired.
  • gas channels 31 are also not critical here. Of course, more or fewer gas channels 31 may be present.
  • FIG. 15 is only the gas control valve Va and thus the gas passage 31a open, so that only here gas 7, 7a, 7b emerges.
  • the other gas control valves Vb, Vc, Vd, Ve, Vf, Vg, Vh and thus also the gas channels 31b, 31c, 31d, 31e, 31f, 31g, 31h are closed and do not allow access of the gas 7, 7a, 7b to not here illustrated mixing chamber.
  • the valve setting according to FIG. 15 but only maintained over a specific, experimentally determined in its optimal length time interval and then changed.
  • a second gassing pattern M2 is selected, in which a single connection of the gas channels 31a to 31h or the associated valves Va to Vh occurs at constant time intervals in a clockwise direction.
  • FIG. 15 shows FIG. 15 the first stage of the second fumigation pattern M2.
  • FIG. 16 shows the after a time interval, here, for example, 1s, following second stage of the second fumigation pattern M2. Based on the valve position according to FIG. 15 has the gas control valve Va closed and the gas control valve Vb, which is connected upstream of the clockwise to the gas channel 31a adjacent gas channel 31b, opened simultaneously. The other gas control valves Vc to Vh are closed unchanged.
  • FIG. 18 shows the fourth stage of the second fumigation pattern M2 following a time interval, here for example 1s. Based on the valve position according to FIG. 17 the gas control valve Vc was closed and the gas control valve Vd, which is connected upstream of the gas channel 31d adjacent to the gas channel 31c in a clockwise direction, is opened simultaneously. The following remaining gas control valves Ve to Vb are closed unchanged.
  • FIG. 19 shows after a further time interval, here for example 1s, the following eighth stage of the second fumigation pattern M2.
  • the gas control valve Vg was closed and the gas control valve Vh, which is connected upstream of the gas channel 31h adjacent to the gas channel 31g in the clockwise direction, is opened at the same time.
  • the following remaining gas control valves Va to Vf are closed unchanged.
  • the gassing pattern M5 can still be varied by feeding different gases into stage 1 and stage 2, for example in stage 1 in the form of air and stage 2 in the form of nitrogen.
  • FIG. 20 shows a flotation machine 100 in longitudinal section.
  • the dispersion of suspension and gas is improved and thus increases the probability of collision between a gas bubbles and a particle 2 to be separated from the suspension.
  • increased deposition rates and an optimal foam product can be achieved.
  • the use of the dispersion nozzle according to the invention is not generally a flotation machine or a flotation machine with a structure according to FIG. 20 limited.
  • a dispersion nozzle according to the invention can be used in flotation plants of any construction or equipment in which at least one gas is to be finely and evenly distributed in a suspension.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP09171568A 2009-09-29 2009-09-29 Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb Withdrawn EP2308601A1 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
EP09171568A EP2308601A1 (de) 2009-09-29 2009-09-29 Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb
RU2012117617/03A RU2503502C1 (ru) 2009-09-29 2010-09-28 Устройство, оборудованная им флотационная машина и способ ее эксплуатации
CA2775614A CA2775614C (en) 2009-09-29 2010-09-28 Device, flotation machine equipped therewith, and methods for the operation thereof
PCT/EP2010/064366 WO2011039190A1 (de) 2009-09-29 2010-09-28 Vorrichtung, damit ausgestattete flotationsmaschine, sowie verfahren zu deren betrieb
CN2010800436186A CN102548662A (zh) 2009-09-29 2010-09-28 装置，配备有该装置的浮选机及其操作方法
PE2012000394A PE20130166A1 (es) 2009-09-29 2010-09-28 Dispositivos, maquina de flotacion equipada con el mismo, asi como procedimiento para su funcionamiento
EP10760327A EP2482989A1 (de) 2009-09-29 2010-09-28 Vorrichtung, damit ausgestattete flotationsmaschine, sowie verfahren zu deren betrieb
AU2010303034A AU2010303034B2 (en) 2009-09-29 2010-09-28 Device, flotation machine equipped therewith, and methods for the operation thereof
MX2012003285A MX2012003285A (es) 2009-09-29 2010-09-28 Dispositivo, maquina de flotacion equipada con el mismo, y metodos par su operación.
US13/498,879 US20120218852A1 (en) 2009-09-29 2010-09-28 Device, flotation machine equipped therewith, and methods for the operation thereof
ZA2012/00731A ZA201200731B (en) 2009-09-29 2012-01-30 Device,flotation machine equipped therewith,and methods for the operation thereof
CL2012000449A CL2012000449A1 (es) 2009-09-29 2012-02-21 Dispositivo para dispersar una suspension con un gas para una maquina de flotacion, con una boquilla de dispersion, una boquilla de suspension, una camara de mezcla, un tubo de mezcla, un conducto de alimentacion de gas y valvulas de gas; maquina de flotacion; procedimientos para hacer funcionar un dispositivo y una maquina.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09171568A EP2308601A1 (de) 2009-09-29 2009-09-29 Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb

Publications (1)

Publication Number Publication Date
EP2308601A1 true EP2308601A1 (de) 2011-04-13

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ID=41727990

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09171568A Withdrawn EP2308601A1 (de) 2009-09-29 2009-09-29 Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb
EP10760327A Withdrawn EP2482989A1 (de) 2009-09-29 2010-09-28 Vorrichtung, damit ausgestattete flotationsmaschine, sowie verfahren zu deren betrieb

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10760327A Withdrawn EP2482989A1 (de) 2009-09-29 2010-09-28 Vorrichtung, damit ausgestattete flotationsmaschine, sowie verfahren zu deren betrieb

Country Status (11)

Country Link
US (1) US20120218852A1 (zh)
EP (2) EP2308601A1 (zh)
CN (1) CN102548662A (zh)
AU (1) AU2010303034B2 (zh)
CA (1) CA2775614C (zh)
CL (1) CL2012000449A1 (zh)
MX (1) MX2012003285A (zh)
PE (1) PE20130166A1 (zh)
RU (1) RU2503502C1 (zh)
WO (1) WO2011039190A1 (zh)
ZA (1) ZA201200731B (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2572778A1 (de) * 2011-09-23 2013-03-27 Siemens Aktiengesellschaft Dispergierdüse, damit ausgestattete Flotationsmaschine, sowie Verfahren zu deren Betrieb
WO2013182365A1 (de) * 2012-06-04 2013-12-12 Siemens Aktiengesellschaft Verfahren zum anpassen der geometrie einer dispergierdüse
EP2701833A1 (en) * 2011-04-26 2014-03-05 G Tech Licensing, LLC Gas dissolving apparatus
WO2014188232A1 (en) * 2013-05-23 2014-11-27 Dpsms Tecnologia E Inovação Em Mineração Ltda Automated system of froth flotation columns with aerators injection nozzles and process
WO2016102701A1 (fr) * 2014-12-24 2016-06-30 Veolia Water Solutions & Technologies Support Buse optimisée d'injection d'eau pressurisée contenant un gaz dissous
US9475066B2 (en) 2010-11-03 2016-10-25 Primetals Technologies Germany Gmbh Flotation apparatus and flotation method

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CN103506227B (zh) * 2013-09-27 2015-04-29 北京科技大学 一种脉冲喷射式泡沫浮选机
CN105664748A (zh) * 2016-04-05 2016-06-15 李理 一种螺旋提升机油汽混合箱
CN105689158B (zh) * 2016-04-06 2017-12-15 北京科技大学 一种用于射流式浮选机的旋转射流充气搅拌装置
US11344822B2 (en) * 2017-04-28 2022-05-31 Nano Gas Technologies Inc. Nanogas shear processing
CN111256367B (zh) * 2018-11-30 2021-10-26 宁波方太厨具有限公司 一种燃气热水器及其控制方法

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DE2700049A1 (de) 1977-01-03 1978-07-06 Oskar Werner Dipl Ing Pawel Flotationsduese mit einem sich nach oben verjuengenden flotationstank
DE2756894A1 (de) * 1977-12-20 1979-06-21 Clevepak Corp Verfahren zum betreiben einer vorrichtung zum vermischen eines gases mit einer fluessigkeit und vorrichtung zur durchfuehrung dieses verfahrens
GB2180957A (en) * 1985-09-09 1987-04-08 Kiyoshi Horii Fluid flow generator
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CA2775614C (en) 2015-11-03
CN102548662A (zh) 2012-07-04
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AU2010303034B2 (en) 2013-07-04
PE20130166A1 (es) 2013-02-16
CA2775614A1 (en) 2011-04-07
ZA201200731B (en) 2012-09-26
EP2482989A1 (de) 2012-08-08
WO2011039190A1 (de) 2011-04-07
US20120218852A1 (en) 2012-08-30

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