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1. WO2016147064 - FLOTATION CELL

Publication Number WO/2016/147064
Publication Date 22.09.2016
International Application No. PCT/IB2016/050718
International Filing Date 11.02.2016
IPC
B03D 1/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION 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
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
CPC
B01D 21/08
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
21Separation of suspended solid particles from liquids by sedimentation
02Settling tanks ; with single outlets for the separated liquid
08provided with flocculating compartments
B01D 21/2433
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
21Separation of suspended solid particles from liquids by sedimentation
24Feed or discharge mechanisms for settling tanks
2433Discharge mechanisms for floating particles
B03D 1/028
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION 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
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
02Froth-flotation processes
028Control and monitoring of flotation processes; computer models therefor
B03D 1/1468
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION 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
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
1443Feed or discharge mechanisms for flotation tanks
1468Discharge mechanisms for the sediments
B03D 1/22
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION 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
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
16with impellers; Subaeration machines
22with external blowers
Applicants
  • SWANEPOEL, Johannes Gideon Andries [ZA]/[ZA]
Inventors
  • SWANEPOEL, Johannes Gideon Andries
Agents
  • SPOOR & FISHER
  • BROWN, Keith Edwin Frank
  • MOUBRAY, Hugh Robert
  • GILSON, David Grant
  • KEMP, Mark
  • WHITTAKER, Jonathan Denis
  • COCHRANE, David Hylton
  • ABRAMSON, Lance
  • MCKNIGHT, John Crawford
  • MAHOMED, Shanaaz
  • KAHN, Craig
  • BIAGIO, Dina
  • CILLIERS, Lodewyk Petrus
  • GRANT, Tyron James
  • BEHARIE, Tertia
  • VAN SCHALKWYK, Herman
  • PIENAAR, Danie
  • HANEKOM, Dirk Christiaan
Priority Data
2015/0179216.03.2015ZA
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FLOTATION CELL
(FR) CELLULE DE FLOTTATION
Abstract
(EN)
This invention relates to froth flotation, and more specifically to a froth flotation cell and an internal sand removal arrangement for the froth flotation cell. The froth flotation cell included a tank having an operatively lower zone, an intermediate zone and an operatively upper zone, and a central dispersing chamber disposed in the intermediate zone of the tank. A slurry inlet is located in the operatively lower zone of the tank, and a slurry outlet conduit extends from the operatively upper zone of the tank towards a slurry outlet. The froth flotation cell is characterised in that the operatively lower zone is also selectively in flow communication with the slurry outlet of the tank, in order for slurry located in the operatively lower zone of the tank selectively to be displaceable into the slurry outlet.
(FR)
Cette invention concerne la flottation par mousse, et plus spécifiquement une cellule de flottation par mousse et un agencement d'élimination du sable interne pour la cellule de flottation par mousse. Ladite cellule de flottation par mousse comprend un réservoir présentant une zone inférieure active, une zone intermédiaire et une zone supérieure active, et une chambre centrale de dispersion disposés dans la zone intermédiaire du réservoir. Un orifice d'admission de boue est disposé dans la zone inférieure active du réservoir, et un conduit de sortie de boue s'étend à partir de la zone supérieure active du réservoir jusqu'à un orifice de sortie de boue. Ladite cellule de flottation par mousse est caractérisée en ce que la zone inférieure active est en outre en communication d'écoulement sélective avec l'orifice de sortie de boue du réservoir, afin que de la boue située dans la zone inférieure active du réservoir puisse être déplacée de manière sélective dans l'orifice de sortie de boue.
Also published as
Latest bibliographic data on file with the International Bureau