EP3829774A4 - FLOTATION CELL - Google Patents

FLOTATION CELL Download PDF

Info

Publication number: EP3829774A4
Authority: EP; European Patent Office
Prior art keywords: flotation cell; flotation; cell
Prior art date: 2018-08-01
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.): Granted

Application number

EP18928304.7A

Other languages

German (de)

French (fr)

Other versions

EP3829774B1 (en

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.)

2018-08-01

Filing date

2018-08-01

Publication date

2022-04-13

2018-08-01 Application filed by Metso Outotec Finland Oy filed Critical Metso Outotec Finland Oy

2021-06-09 Publication of EP3829774A1 publication Critical patent/EP3829774A1/en

2022-04-13 Publication of EP3829774A4 publication Critical patent/EP3829774A4/en

2024-12-25 Application granted granted Critical

2024-12-25 Publication of EP3829774B1 publication Critical patent/EP3829774B1/en

Status Active legal-status Critical Current

2038-08-01 Anticipated expiration legal-status Critical

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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Biotechnology (AREA)
Manufacture And Refinement Of Metals (AREA)
Paper (AREA)
Physical Water Treatments (AREA)
Disintegrating Or Milling (AREA)

EP18928304.7A 2018-08-01 2018-08-01 Flotation cell Active EP3829774B1 (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 (3)

Publication Number	Publication Date
EP3829774A1 EP3829774A1 (en)	2021-06-09
EP3829774A4 true EP3829774A4 (en)	2022-04-13
EP3829774B1 EP3829774B1 (en)	2024-12-25

Family

ID=67700082

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18928304.7A Active EP3829774B1 (en)	2018-08-01	2018-08-01	Flotation cell

Country Status (12)

Country	Link
EP (1)	EP3829774B1 (en)
CN (2)	CN210474319U (en)
AU (2)	AU2018435420B2 (en)
CL (1)	CL2019002142U1 (en)
ES (1)	ES3015464T3 (en)
FI (1)	FI3829774T3 (en)
MX (1)	MX2021001130A (en)
PE (2)	PE20210792A1 (en)
PL (1)	PL3829774T3 (en)
PT (1)	PT3829774T (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
PL3829774T3 (en) *	2018-08-01	2025-05-05	Metso Finland Oy	Flotation cell
CN112718232B (en) *	2020-12-17	2022-05-03	郑州大学	A method for graded grinding and floating protection of crystalline graphite flakes

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 Finland Oy	A froth flotation method and an apparatus for extracting a valuable substance from a slurry
WO2012054953A1 (en) *	2010-10-25	2012-05-03	Legend International Holdings, Inc.	Method of beneficiation of 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	Separation equipment and separation method of a jet prefloatation type cyclone microbubble flotation column
PL3829774T3 (en) *	2018-08-01	2025-05-05	Metso Finland Oy	Flotation cell

2018
- 2018-08-01 PL PL18928304.7T patent/PL3829774T3/en unknown
- 2018-08-01 EP EP18928304.7A patent/EP3829774B1/en active Active
- 2018-08-01 ES ES18928304T patent/ES3015464T3/en active Active
- 2018-08-01 PE PE2021000150A patent/PE20210792A1/en unknown
- 2018-08-01 FI FIEP18928304.7T patent/FI3829774T3/en active
- 2018-08-01 MX MX2021001130A patent/MX2021001130A/en unknown
- 2018-08-01 WO PCT/FI2018/050565 patent/WO2020025850A1/en not_active Ceased
- 2018-08-01 AU AU2018435420A patent/AU2018435420B2/en active Active
- 2018-08-01 PT PT189283047T patent/PT3829774T/en unknown
2019
- 2019-07-29 AU AU2019100826A patent/AU2019100826A4/en active Active
- 2019-07-30 CL CL2019002142U patent/CL2019002142U1/en unknown
- 2019-07-31 PE PE2019001513U patent/PE20191275Z/en unknown
- 2019-08-01 CN CN201921237264.3U patent/CN210474319U/en active Active
- 2019-08-01 CN CN201910704844.7A patent/CN110787912A/en active Pending
2021
- 2021-03-01 ZA ZA2021/01403A patent/ZA202101403B/en unknown

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
AU2018435420B2 (en)	2024-10-24
PE20191275Z (en)	2019-09-20
WO2020025850A1 (en)	2020-02-06
CN210474319U (en)	2020-05-08
PT3829774T (en)	2025-03-06
CL2019002142U1 (en)	2019-10-18
PL3829774T3 (en)	2025-05-05
PE20210792A1 (en)	2021-04-22
FI3829774T3 (en)	2025-03-27
AU2018435420A1 (en)	2021-03-18
ES3015464T3 (en)	2025-05-05
EP3829774B1 (en)	2024-12-25
AU2019100826A4 (en)	2019-08-29
CN110787912A (en)	2020-02-14
ZA202101403B (en)	2022-07-27
EP3829774A1 (en)	2021-06-09
MX2021001130A (en)	2021-04-29

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