EP3829773A4 - Flotation cell - Google Patents

Flotation cell Download PDF

Info

Publication number
EP3829773A4
EP3829773A4 EP18928263.5A EP18928263A EP3829773A4 EP 3829773 A4 EP3829773 A4 EP 3829773A4 EP 18928263 A EP18928263 A EP 18928263A EP 3829773 A4 EP3829773 A4 EP 3829773A4
Authority
EP
European Patent Office
Prior art keywords
flotation cell
flotation
cell
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.)
Pending
Application number
EP18928263.5A
Other languages
German (de)
French (fr)
Other versions
EP3829773A1 (en
Inventor
Peter Bourke
Steve Schmidt
Antti Rinne
Jere Tuominen
Valtteri VAARNA
Aleksi Peltola
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.)
Metso Finland Oy
Original Assignee
Metso Outotec Finland Oy
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 Metso Outotec Finland Oy filed Critical Metso Outotec Finland Oy
Publication of EP3829773A1 publication Critical patent/EP3829773A1/en
Publication of EP3829773A4 publication Critical patent/EP3829773A4/en
Pending 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
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • 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
    • 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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • 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
    • B01F25/25—Mixing by jets impinging against collision plates
    • 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
    • B01F35/50—Mixing receptacles
    • B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
    • 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
    • B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • 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
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • 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
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • 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
    • B03D2203/00—Specified materials treated by the flotation agents; specified applications
    • B03D2203/02—Ores
EP18928263.5A 2018-08-01 2018-08-01 Flotation cell Pending EP3829773A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2018/050568 WO2020025853A1 (en) 2018-08-01 2018-08-01 Flotation cell

Publications (2)

Publication Number Publication Date
EP3829773A1 EP3829773A1 (en) 2021-06-09
EP3829773A4 true EP3829773A4 (en) 2022-04-13

Family

ID=67700080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18928263.5A Pending EP3829773A4 (en) 2018-08-01 2018-08-01 Flotation cell

Country Status (8)

Country Link
EP (1) EP3829773A4 (en)
CN (2) CN210965531U (en)
AU (2) AU2018434575A1 (en)
CL (1) CL2019002141U1 (en)
MX (1) MX2021001128A (en)
PE (2) PE20210791A1 (en)
WO (1) WO2020025853A1 (en)
ZA (1) ZA202101401B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018434575A1 (en) * 2018-08-01 2021-03-18 Metso Outotec Finland Oy Flotation cell
CN112604819A (en) * 2020-11-27 2021-04-06 郴州天朗金石矿山设备有限公司 Efficient energy-saving device for recleaning tailings and low-degree ores

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1134690A (en) * 1914-10-09 1915-04-06 Bernard Macdonald Apparatus for separating minerals by flotation.
CN102284370A (en) * 2011-06-10 2011-12-21 福建省龙岩龙能粉煤灰综合利用有限公司 Turbulent current fly ash flotation process
US20130341252A1 (en) * 2005-02-01 2013-12-26 Newcastle Innovation Limited Method and Apparatus for Contacting Bubbles and Particles in a Flotation Separation System
US20150108044A1 (en) * 2007-04-12 2015-04-23 Michael J. Mankosa Flotation Separation Device and Method
CN107362911A (en) * 2017-09-04 2017-11-21 中煤（天津）洗选科技有限公司 Jet micro-bubble flotation machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI88268C (en) * 1991-03-27 1993-04-26 Outomec Oy Flotation
FI101863B (en) * 1996-11-08 1998-09-15 Outokumpu Oy Apparatus for producing a finely divided metal precipitate in a reactor
AUPP584698A0 (en) * 1998-09-11 1998-10-08 Jameson, Graeme John Internal recycle apparatus and process for flotation column cells
CN2905226Y (en) * 2005-11-29 2007-05-30 胡满营 Mineralization device and hydraulic pressure type self-absorption air floatation column containing the same
MA34874B1 (en) * 2010-10-25 2014-02-01 Legend Internat Holdings Inc METHOD FOR ENRICHING PHOSPHATE
CN102240610B (en) * 2011-07-04 2013-03-06 福建省龙岩龙能粉煤灰综合利用有限公司 Self-gas supply mixed fly ash multistage flotation separation system
JP6516684B2 (en) 2014-01-15 2019-05-22 テルモ株式会社 Medical holding device
CN105562216A (en) * 2016-02-23 2016-05-11 中国矿业大学 Jet flow pre-flotation type separation equipment with swirling flow microbubble flotation columns and separation method
CN207222161U (en) * 2017-09-04 2018-04-13 中煤（天津）洗选科技有限公司 For the inner cylinder on jet stream micro-bubble flotation machine
CN108273668B (en) * 2018-03-28 2024-03-01 中国矿业大学 Rapid flotation system and flotation method based on high-turbulence mixed mineralization
AU2018434575A1 (en) * 2018-08-01 2021-03-18 Metso Outotec Finland Oy Flotation cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1134690A (en) * 1914-10-09 1915-04-06 Bernard Macdonald Apparatus for separating minerals by flotation.
US20130341252A1 (en) * 2005-02-01 2013-12-26 Newcastle Innovation Limited Method and Apparatus for Contacting Bubbles and Particles in a Flotation Separation System
US20150108044A1 (en) * 2007-04-12 2015-04-23 Michael J. Mankosa Flotation Separation Device and Method
CN102284370A (en) * 2011-06-10 2011-12-21 福建省龙岩龙能粉煤灰综合利用有限公司 Turbulent current fly ash flotation process
CN107362911A (en) * 2017-09-04 2017-11-21 中煤（天津）洗选科技有限公司 Jet micro-bubble flotation machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020025853A1 *

Also Published As

Publication number Publication date
EP3829773A1 (en) 2021-06-09
CL2019002141U1 (en) 2019-10-18
MX2021001128A (en) 2021-04-29
ZA202101401B (en) 2022-07-27
AU2019100825A4 (en) 2019-08-29
CN110787916B (en) 2022-08-23
PE20191428Z (en) 2019-10-10
CN110787916A (en) 2020-02-14
AU2018434575A1 (en) 2021-03-18
PE20210791A1 (en) 2021-04-22
WO2020025853A1 (en) 2020-02-06
CN210965531U (en) 2020-07-10

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Owner name: METSO FINLAND OY