NO942500D0 - Flotation device for concentrating ores - Google Patents
Flotation device for concentrating oresInfo
- Publication number
- NO942500D0 NO942500D0 NO942500A NO942500A NO942500D0 NO 942500 D0 NO942500 D0 NO 942500D0 NO 942500 A NO942500 A NO 942500A NO 942500 A NO942500 A NO 942500A NO 942500 D0 NO942500 D0 NO 942500D0
- Authority
- NO
- Norway
- Prior art keywords
- froth
- channel
- lead
- zinc
- drain
- Prior art date
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
- B03D1/02—Froth-flotation processes
-
- 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
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
-
- 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
- B03D1/16—Flotation machines with impellers; Subaeration 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
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
Abstract
A flotation apparatus contains a lower portion of pulp and an upper portion of froth which drains over an upper horizontal edge of the apparatus. When the ore contains lead and zinc, lead contaminated with zinc will drain off. The object of the invention is to increase the lead content in the froth drained off. This is achieved by allowing the froth to drain upwardly through a channel, preferably one having rectangular cross section and having an angle of inclination less than 90 DEG to the surface of the froth. The froth is also spayed before it leaves the channel, with at least one jet of water directed towards the part of the channel wall located furthest away in relation to the drainage edge of the channel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9200280A SE508704C2 (en) | 1992-02-03 | 1992-02-03 | Device at flotation apparatus |
PCT/SE1993/000079 WO1993014876A1 (en) | 1992-02-03 | 1993-02-02 | Flotation apparatus for concentrating ores |
Publications (3)
Publication Number | Publication Date |
---|---|
NO942500D0 true NO942500D0 (en) | 1994-07-01 |
NO942500L NO942500L (en) | 1994-07-01 |
NO302157B1 NO302157B1 (en) | 1998-02-02 |
Family
ID=20385175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO942500A NO302157B1 (en) | 1992-02-03 | 1994-07-01 | Flotation device for ore preparation |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0725684A1 (en) |
FI (1) | FI943601A (en) |
NO (1) | NO302157B1 (en) |
SE (1) | SE508704C2 (en) |
WO (1) | WO1993014876A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2281521B (en) * | 1993-09-06 | 1997-04-09 | Supaflo Tech Pty Ltd | Membrane washing apparatus for flotation device |
DE19905439C2 (en) * | 1999-02-10 | 2001-01-25 | Voith Sulzer Papiertech Patent | Process for removing solids from an aqueous paper fiber suspension |
FI115447B (en) * | 2002-03-18 | 2005-05-13 | Outokumpu Oy | Flotation plant and method |
US6793079B2 (en) * | 2002-11-27 | 2004-09-21 | University Of Illinois | Method and apparatus for froth flotation |
WO2010135760A1 (en) * | 2009-05-26 | 2010-12-02 | Newcastle Innovation Limited | Improved method and apparatus for froth flotation in a vessel with agitation |
CN102179309A (en) * | 2010-12-27 | 2011-09-14 | 昆明理工大学 | Foam controlling and flotation method for zinc oxide ore |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI78628C (en) * | 1987-10-07 | 1989-09-11 | Outokumpu Oy | FLOTATIONSMASKIN. |
-
1992
- 1992-02-03 SE SE9200280A patent/SE508704C2/en not_active IP Right Cessation
-
1993
- 1993-02-02 EP EP93904425A patent/EP0725684A1/en not_active Withdrawn
- 1993-02-02 WO PCT/SE1993/000079 patent/WO1993014876A1/en not_active Application Discontinuation
-
1994
- 1994-07-01 NO NO942500A patent/NO302157B1/en not_active IP Right Cessation
- 1994-08-02 FI FI943601A patent/FI943601A/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE9200280L (en) | 1993-08-04 |
FI943601A0 (en) | 1994-08-02 |
EP0725684A1 (en) | 1996-08-14 |
SE508704C2 (en) | 1998-10-26 |
WO1993014876A1 (en) | 1993-08-05 |
NO942500L (en) | 1994-07-01 |
NO302157B1 (en) | 1998-02-02 |
FI943601A (en) | 1994-08-02 |
SE9200280D0 (en) | 1992-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN AUGUST 2002 |