EP0364654A3 - Verfahren und Vorrichtung zur Erzeugung von Mikroblasen in Schaumflotation-Mineralaufbereitungssystemen - Google Patents

Verfahren und Vorrichtung zur Erzeugung von Mikroblasen in Schaumflotation-Mineralaufbereitungssystemen Download PDF

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Publication number
EP0364654A3
EP0364654A3 EP19890103088 EP89103088A EP0364654A3 EP 0364654 A3 EP0364654 A3 EP 0364654A3 EP 19890103088 EP19890103088 EP 19890103088 EP 89103088 A EP89103088 A EP 89103088A EP 0364654 A3 EP0364654 A3 EP 0364654A3
Authority
EP
European Patent Office
Prior art keywords
housing
elongated
inner member
air
porous
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Withdrawn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
EP19890103088
Other languages
English (en)
French (fr)
Other versions
EP0364654A2 (de
Inventor
Donald E. Zipperian
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.)
Deister Concentrator Co Inc
Original Assignee
Deister Concentrator Co Inc
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 Deister Concentrator Co Inc filed Critical Deister Concentrator Co Inc
Publication of EP0364654A2 publication Critical patent/EP0364654A2/de
Publication of EP0364654A3 publication Critical patent/EP0364654A3/de
Withdrawn legal-status Critical Current

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
    • B03D1/24—Pneumatic
    • 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
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
    • 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
    • B01F23/2321—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 moving liquid and gas in counter current
    • B01F23/23211—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 moving liquid and gas in counter current the liquid flowing in a thin film to absorb the gas
    • 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
    • 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
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B01F25/31421—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction the conduit being porous
    • 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
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
    • 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
    • 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
    • B01F23/23123—Diffusers consisting of rigid porous or perforated material
    • 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
    • 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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1456—Feed mechanisms for the slurry

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Nanotechnology (AREA)
  • Physical Water Treatments (AREA)
EP19890103088 1988-10-21 1989-02-22 Verfahren und Vorrichtung zur Erzeugung von Mikroblasen in Schaumflotation-Mineralaufbereitungssystemen Withdrawn EP0364654A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26081388A 1988-10-21 1988-10-21
US260813 1988-10-21

Publications (2)

Publication Number Publication Date
EP0364654A2 EP0364654A2 (de) 1990-04-25
EP0364654A3 true EP0364654A3 (de) 1991-01-23

Family

ID=22990722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890103088 Withdrawn EP0364654A3 (de) 1988-10-21 1989-02-22 Verfahren und Vorrichtung zur Erzeugung von Mikroblasen in Schaumflotation-Mineralaufbereitungssystemen

Country Status (4)

Country Link
EP (1) EP0364654A3 (de)
AU (1) AU2830689A (de)
FI (1) FI894972A0 (de)
ZA (1) ZA891489B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU617977B2 (en) * 1989-06-26 1991-12-05 Carroll International Corporation Method and apparatus for generating microbubbles in froth flotation mineral concentration systems
JP2001046849A (ja) * 1999-08-06 2001-02-20 Sumitomo Seika Chem Co Ltd 自吸式微細気泡発生装置
DE102011077104A1 (de) * 2011-06-07 2012-12-13 Siemens Aktiengesellschaft Verfahren zur Gewinnung von metallhaltigen Wertstoffen aus einem metallhaltige Wertstoffe enthaltenden suspensionsartigen Massestrom
CN103120986B (zh) * 2013-02-04 2014-03-05 中国矿业大学 浮选池
US9278360B2 (en) * 2013-10-17 2016-03-08 Eriez Manufacturing Co. Air-assisted separation system
CN107096646B (zh) * 2017-06-28 2023-04-11 贵州大学 一种粗颗粒浮选柱浮选的方法及装置
CN108854616A (zh) * 2018-05-08 2018-11-23 李常德 一种微气泡发生系统
CN108607692A (zh) * 2018-05-25 2018-10-02 河南东大科技股份有限公司 一种低品位铝土矿选矿浮选气泡发生器
CN114700182B (zh) * 2021-07-22 2023-07-14 中国矿业大学 一种梯度进气的粗颗粒流态化浮选装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694918A (en) * 1951-02-23 1953-07-29 F S Gibbs Inc Diffusion of gases in liquids
US2758714A (en) * 1954-08-25 1956-08-14 Smith Douglas Company Inc Concentration of minerals
DE2046254A1 (de) * 1969-09-18 1971-04-01 Atomic Energy Of Canada Ltd
US4735709A (en) * 1985-07-05 1988-04-05 Deister Concentrator Company, Inc. Method and apparatus for concentration of minerals by froth flotation using dual aeration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB694918A (en) * 1951-02-23 1953-07-29 F S Gibbs Inc Diffusion of gases in liquids
US2758714A (en) * 1954-08-25 1956-08-14 Smith Douglas Company Inc Concentration of minerals
DE2046254A1 (de) * 1969-09-18 1971-04-01 Atomic Energy Of Canada Ltd
US4735709A (en) * 1985-07-05 1988-04-05 Deister Concentrator Company, Inc. Method and apparatus for concentration of minerals by froth flotation using dual aeration

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AUFBEREITUNGS TECHNIK. vol. 29, no. 8, August 1988, WIESBADEN DE pages 451 - 458; R. IMHOF: "Pneumatic flotation - a modern alternative" *

Also Published As

Publication number Publication date
AU2830689A (en) 1990-04-26
FI894972A0 (fi) 1989-10-19
ZA891489B (en) 1989-11-29
EP0364654A2 (de) 1990-04-25

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