EP3829774A4 - Flotation cell - Google Patents

Flotation cell Download PDF

Info

Publication number
EP3829774A4
EP3829774A4 EP18928304.7A EP18928304A EP3829774A4 EP 3829774 A4 EP3829774 A4 EP 3829774A4 EP 18928304 A EP18928304 A EP 18928304A EP 3829774 A4 EP3829774 A4 EP 3829774A4
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
EP18928304.7A
Other languages
German (de)
French (fr)
Other versions
EP3829774A1 (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 EP3829774A1 publication Critical patent/EP3829774A1/en
Publication of EP3829774A4 publication Critical patent/EP3829774A4/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
    • B03D1/1456—Feed mechanisms for the slurry
    • 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
    • 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
    • B03D1/1462—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
    • B03D1/1475—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
    • B03D1/24—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
EP18928304.7A 2018-08-01 2018-08-01 Flotation cell Pending EP3829774A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2018/050565 WO2020025850A1 (en) 2018-08-01 2018-08-01 Flotation cell

Publications (2)

Publication Number Publication Date
EP3829774A1 EP3829774A1 (en) 2021-06-09
EP3829774A4 true EP3829774A4 (en) 2022-04-13

Family

ID=67700082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18928304.7A Pending EP3829774A4 (en) 2018-08-01 2018-08-01 Flotation cell

Country Status (8)

Country Link
EP (1) EP3829774A4 (en)
CN (2) CN110787912A (en)
AU (2) AU2018435420A1 (en)
CL (1) CL2019002142U1 (en)
MX (1) MX2021001130A (en)
PE (2) PE20210792A1 (en)
WO (1) WO2020025850A1 (en)
ZA (1) ZA202101403B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020025850A1 (en) * 2018-08-01 2020-02-06 Outotec (Finland) Oy Flotation cell
CN112718232B (en) * 2020-12-17 2022-05-03 郑州大学 Method for protecting crystalline graphite flakes through graded grinding and floating

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080251427A1 (en) * 2007-04-12 2008-10-16 Eriez Manufacturing Co. Flotation Separation Device and Method
US20130341252A1 (en) * 2005-02-01 2013-12-26 Newcastle Innovation Limited Method and Apparatus for Contacting Bubbles and Particles in a Flotation Separation System
US20140202932A1 (en) * 2011-06-10 2014-07-24 Fujian Longyan Longneng Flyash Comprehensive Utilization Co., Ltd. Flotation process and flotation apparatus for coal flyash
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
US2182442A (en) * 1937-11-11 1939-12-05 Lionel E Booth Aerating machine
FI78628C (en) * 1987-10-07 1989-09-11 Outokumpu Oy FLOTATIONSMASKIN.
FI88268C (en) * 1991-03-27 1993-04-26 Outomec Oy Flotation
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
US8771520B2 (en) * 2008-05-31 2014-07-08 Vws Westgarth Limited Fluid treatment apparatus
AU2009202281B2 (en) * 2009-06-09 2014-07-24 Metso Outotec Finland Oy A froth flotation method and an apparatus for extracting a valuable substance from a slurry
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
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
WO2020025850A1 (en) * 2018-08-01 2020-02-06 Outotec (Finland) Oy Flotation cell

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130341252A1 (en) * 2005-02-01 2013-12-26 Newcastle Innovation Limited Method and Apparatus for Contacting Bubbles and Particles in a Flotation Separation System
US20080251427A1 (en) * 2007-04-12 2008-10-16 Eriez Manufacturing Co. Flotation Separation Device and Method
US20140202932A1 (en) * 2011-06-10 2014-07-24 Fujian Longyan Longneng Flyash Comprehensive Utilization Co., Ltd. Flotation process and flotation apparatus for coal flyash
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 WO2020025850A1 *

Also Published As

Publication number Publication date
AU2018435420A1 (en) 2021-03-18
WO2020025850A1 (en) 2020-02-06
PE20210792A1 (en) 2021-04-22
ZA202101403B (en) 2022-07-27
CL2019002142U1 (en) 2019-10-18
EP3829774A1 (en) 2021-06-09
CN210474319U (en) 2020-05-08
PE20191275Z (en) 2019-09-20
MX2021001130A (en) 2021-04-29
CN110787912A (en) 2020-02-14
AU2019100826A4 (en) 2019-08-29

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