WO2016132016A1 - Dispositif de flottation et procédé permettant de faire passer des particules de taille plus grossière à travers un dispositif de flottation - Google Patents

Dispositif de flottation et procédé permettant de faire passer des particules de taille plus grossière à travers un dispositif de flottation Download PDF

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Publication number
WO2016132016A1
WO2016132016A1 PCT/FI2016/050100 FI2016050100W WO2016132016A1 WO 2016132016 A1 WO2016132016 A1 WO 2016132016A1 FI 2016050100 W FI2016050100 W FI 2016050100W WO 2016132016 A1 WO2016132016 A1 WO 2016132016A1
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WIPO (PCT)
Prior art keywords
flotation
μιη
slurry
flotation device
cells
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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.)
Ceased
Application number
PCT/FI2016/050100
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English (en)
Inventor
Peter Gerard Bourke
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.)
Outotec Finland Oy
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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
Priority claimed from AU2015900550A external-priority patent/AU2015900550A0/en
Application filed by Outotec Finland Oy filed Critical Outotec Finland Oy
Priority to RU2017130951U priority Critical patent/RU179963U9/ru
Priority to AU2016221600A priority patent/AU2016221600B2/en
Publication of WO2016132016A1 publication Critical patent/WO2016132016A1/fr
Anticipated expiration legal-status Critical
Priority to FIU20174210U priority patent/FI11895U1/fi
Ceased legal-status Critical Current

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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
    • B03D1/1406—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
    • B03D1/16—Flotation machines with impellers; Subaeration machines

Definitions

  • the invention relates to a flotation device and in a particular to a flotation device for processing coarser sized mineral particles.
  • the invention has been developed primarily for use as a flotation device for processing coarser sized mineral ore particles and will be described hereinafter by reference to this application .
  • Flotation cells are typically used in mineral processing to recover valuable mineral particles from unwanted gangue .
  • a flotation device for processing a slurry comprising coarser sized mineral particles, comprising:
  • each said flotation cell has a lower opening that permits said slurry to pass from a preceding flotation cell into an entry opening of a successive flotation cell;
  • a slurry transfer means in fluid communication with said lower opening and said entry opening to facilitate unimpeded slurry flow
  • a floor of each said successive flotation cell is lower than a floor of said preceding flotation cell to create an angle of inclination of at least 10° to induce a hydraulic gradient to drive said slurry to a discharge outlet of said flotation device.
  • said angle of inclination is between 10° and 65°, preferably between 13° and 50°, more preferably between 15° and 45° and most preferably is 15° to induce said hydraulic gradient.
  • said angle of inclination is between 10° and 18° to induce said hydraulic gradient. In a preferred embodiment, said angle of inclination is 15°.
  • an average angle of inclination measured from the floor of a first flotation cell in said flotation device to the floor of the last flotation cell in said flotation device, said average angle of inclination inducing said hydraulic gradient and said average angle of inclination being at least 10°. It is further preferred that said average angle of inclination being between 10° and 60°, more preferably between 13° and 45°, and most preferably 15° .
  • stepwise drop in said floor of said successive flotation cell relative to said floor of said preceding flotation cell to create said angle of inclination between adjacent cells. More preferably, said stepwise drop is between 300 and 5000 mm, preferably 600 and 3300 mm. In one embodiment, said stepwise drop is 900 mm.
  • stepwise drop in the top of said successive flotation cell relative to the top of said preceding flotation cell to create said angle of inclination between adjacent cells.
  • each said flotation cell has the same height.
  • each said flotation cell has the same width.
  • the flotation cells have a circular cross-section or diameter.
  • the respective heights and widths (or diameters) of each flotation cell do not vary by more than 10 %.
  • slurry transfer means comprises a common wall is shared by adjacent flotation cells to minimise blockages in said lower opening and said entry opening, said lower opening and said entry opening being formed in said common wall.
  • said slurry transfer means comprises a wall from each adjacent flotation cell joined together to minimise blockages in said lower opening and said entry opening.
  • said lower opening is formed in said wall of said preceding flotation cell and said entry opening being formed in said wall of said successive flotation cell.
  • said slurry transfer means comprises a portion of a side wall of each adjacent flotation cell connected together to minimise blockages in said lower opening and said entry opening .
  • said slurry flows unidirectionally in said flotation device from said preceding flotation cell to each successive flotation cell to minimise blockages in said lower opening and said entry opening.
  • each said flotation cell comprises a mechanical agitator for agitating said slurry.
  • said mechanical agitator comprises a rotor and a stator.
  • said mechanical agitator comprises a laminar flow mixer.
  • said mechanical agitator comprises a self- aspirating agitator to generate air to aerate the slurry .
  • said mechanical agitator is connected to an aeration system for aerating said slurry and generating said froth.
  • the floors of said flotation cells are the same to create uniform angles of inclination between each adjacent flotation cells.
  • At least one floor of the floors of said flotation cells, or part of said at least one floor is curved, planar, inclined, U-shaped or V- shaped .
  • flotation cells there are at least two flotation cells, preferably at least three flotation cells and more preferably at least four flotation cells.
  • the coarser sized mineral particles have a P80 of 250 ⁇ to 2 mm, preferably 300 ⁇ to 1500 ⁇ , more preferably 350 ⁇ to 1000 ⁇ and most preferably 500 ⁇ to 750 ⁇ , and a D50 of 100 ⁇ to 1000 ⁇ , preferably 150 ⁇ to 750 ⁇ , more preferably 1750 ⁇ to 500 ⁇ and most preferably 200 ⁇ to 300 ⁇ .
  • a second aspect of the invention provides the use of a flotation device according to the first aspect of the invention to process a slurry comprising coarser sized mineral particles having a P80 of 250 ⁇ to 2 mm, preferably 300 ⁇ to 1500 ⁇ , more preferably 350 ⁇ to 1000 ⁇ and most preferably 500 ⁇ to 750 ⁇ , and a D50 of 100 ⁇ to 1000 ⁇ , preferably 150 ⁇ to 750 ⁇ , more preferably 175 ⁇ to 500 ⁇ and most preferably 200 ⁇ to 300 ⁇ .
  • a third aspect of the invention provides a method processing a slurry comprising coarser sized mineral particles in a flotation device comprising a plurality of flotation cells in fluid communication with each other, wherein each said flotation cell has a lower opening and an entry opening, an inlet for receiving said slurry into one of said flotation cells, a discharge outlet, and a slurry transfer means in fluid communication with said lower opening and said entry opening, said method comprising the steps of:
  • said coarser sized mineral particles are mineral ore particles having a density of at least 2000 kg/m 3 .
  • the words "comprise”, “comprising”, and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to”.
  • Figure 1 is a cross-sectional view of a flotation device according to an embodiment of the invention ;
  • Figure 2 is a plan view of the flotation device of Figure 1 ;
  • Figure 3 is a partial cross-sectional view of the flotation device of Figure 1 ;
  • Figure 4 is a perspective view of an auxiliary agitator that can be used in the embodiment of Figure 1;
  • Figure 5 is a cross-sectional view of a flotation device according to another embodiment of the invention .
  • Figures 6a and 6b are partial cross-sectional views of valve arrangements for flotation devices according to embodiments of the invention.
  • Figures 7a to 7e are schematic cross-sectional views of different floors that can be used in the flotation cells of the flotation device according to other embodiments of the invention.
  • a flotation device 1 comprises a plurality of flotation cells 2.
  • a slurry transfer means is located between each of the flotation cells in the form of a common wall 3 shared by adjacent flotation cells.
  • Each common wall 3 has a lower opening 4 at its lower end 5 for enabling the slurry to flow unidirectionally (i.e. in a single direction) as generally indicated by arrow 6 through the flotation device 1 from one flotation cell 2 to the next successive flotation cell downstream towards a discharge outlet 7.
  • the unidirectional flow assists in minimising blockages in the lower opening 4.
  • the common walls 3 facilitate unimpeded slurry flow from the lower opening 4 of a preceding flotation cell 2 into the successive flotation cell, thus inhibiting or preventing sanding occurring between adjacent flotation cells.
  • the common wall 3 also helps to minimise blockages in the lower opening 4, which also acts as an entry opening for each successive flotation cell 2. In other embodiments there may be a separate entry opening in the common wall 3.
  • the common wall 3 of each flotation cell 2 is generally planar, whereas the remaining walls 8 of each flotation cell are arcuate or circular in cross-section. It will be appreciated that in other embodiments, the walls 8 of the flotation cell may also be planar to define rectangular, square, triangular, hexagonal, pentagonal and other polygonal cross-sections.
  • each flotation cell 2 has a internal fluid connection with the next flotation cell in line.
  • the slurry transfer means comprises separate walls of adjacent flotation cells 2 joined together, instead of each flotation cell 2 sharing the common wall 3 with the next flotation cell in succession,
  • a portion of a side wall of each adjacent flotation cell are connected together to form the slurry transfer means by creating a common wall. That is, adjacent flotation cells may have sidewalls that have respective portions that diverge from each other but are connected at another portion to define the common wall.
  • the flotation cells 2 each have floors 9 that are lower than the floor of the preceding flotation cell. This creates an effective angle of inclination a that creates a hydraulic gradient that drives the flow of the slurry through each flotation cell 2 under gravity. As a result, there is little or no risk of sanding up of the lower opening 4, even where the particle size of the slurry increases up to 2mm in diameter. Hence, the flotation device 1 is able to process coarser particles of greater particle size than conventionally possible.
  • the angle of inclination a is measured from a line 10 intersecting the edge 11 of each floor 9 relative to the horizontal plane 12.
  • the horizontal plane 12 is coincident with the floor 9 of the first flotation cell.
  • the angle of inclination a is between 10° and 18°, and it is particularly preferred that the angle of inclination is 15°, as it has been found that this angle is optimal to create the hydraulic gradient without excessively increasing the distance between respective floors 9 of the flotation cells 2.
  • the floors 9 of each successive flotation cell 2 drops stepwise by a distance D relative to the floor of the preceding flotation cell, as best shown in Figure 3.
  • the stepwise drop facilitates creation of the angle of inclination a.
  • the distance of the flotation cells 2 is 3500 mm and the flotation device 1 comprises three flotation cells 2 as illustrated in the Figures 1 and 2, this stepwise drop is preferably 938 mm to maintain the preferred angle of inclination a of 15°.
  • the stepwise drop will vary, depending on the size of the flotation cells, to maintain the preferred angle of inclination a of 15°, and is preferably between 300 and 5500 mm, and more preferably 600 and 3300 mm.
  • the flotation cells 2 have the same height or depth H to maintain a uniform angle of inclination a throughout all of the flotation cells 2 in the flotation device 1. This means that there is also a corresponding stepwise drop D between the respective tops 15 of the flotation cells 2. The stepwise drop D also facilitates creation of the angle of inclination a.
  • the width W (or diameter for flotation cells 2 having substantially circular cross-sections) is also constant for each flotation cell.
  • the height and diameter of the flotation cells 2 do not vary by more than 10 %. It is contemplated that while in most applications there is a constant height to width ratio, in other particular applications the ratio may vary by up to 15 %.
  • the flotation cells 2 are spaced by distance F measured from the respective centre lines 19 of each flotation cell.
  • Each flotation cell 2 also has a mechanical agitator 20, which comprises a rotor 22 connected to a drive shaft 24 that is driven by a drive mechanism 26.
  • the drive mechanism 26 typically comprises a motor connected to a belt drive or gearbox (not shown) .
  • a froth deflection cone 28 is provided adjacent the top of the drive shaft 24 to direct froth generated by the rotor 22 towards an overflow launder or weir 29 for recovery of fine mineral particles, as best shown in Figures 1 and 3.
  • the launder 29 is located at the common wall 3 of each flotation cell 2.
  • the launder 29 is located elsewhere along the circumference of the flotation cell 2, and is known as a perimeter launder.
  • the perimeter launder is replaced with a donut launder or centre launder located "off the wall" (i.e. spaced apart from the cell walls 3, 8) and at a fixed distance from the flotation cell centre line 19.
  • a modified version of the agitator 20 has an auxiliary agitator 27 connected to the drive shaft 24 at a position substantially midway between the underside of the deflection cone 28 and the top of the rotor 22, as shown in Figure 4.
  • the auxiliary agitator 27 includes agitation blades 27a extending radially outwardly from diametrically opposite sides of the shaft 24. Each blade 27a intersects the shaft 24 at an angle of incidence of around 45° to the shaft axis X.
  • the blades 27a are connected to the shaft 7 by a clamp 27b.
  • the rotor 22 induces a primary radial flow and a secondary axial flow through the slurry in the flotation cell 2.
  • the auxiliary agitator 27 increases the secondary axial flow by inducing a downward current, which increases the secondary flow turnover rate. This, in turn, draws floatable particles that have dropped out of the froth zone down through the tank and into the mixing zone of the primary rotor, thereby increasing the probability that these particles will be refloated, and hence increasing the overall efficiency of the recovery process.
  • the agitation blades 27a define an axial impeller to supplement the axial flow induced by the rotor 22.
  • a stator 30 mounted on a stator base 31 is provided around the rotor 22 to form the flotation cell agitator mechanism.
  • the mechanical agitator comprises a laminar flow mixer instead of a rotor 22 and stator 30.
  • the mechanical agitator is a self- aspirating agitator, which generates its own air supply to aerate the slurry. That is, flotation air is induced and dispersed into the slurry by the self-aspirating agitator .
  • each flotation cell 2 further includes an aeration system including an air blower and a fluid conduit (not shown) to direct air from the blower into the rotor 22.
  • the fluid conduit is defined in part by an axial bore 33 extending through the drive shaft 24 into the rotor 22.
  • slurry is initially fed into the first flotation cell 2 via a feed inlet 38, from where it flows toward the mechanical agitator 20.
  • the rotating action of the rotor 22 induces a flow through the agitator mechanism that continuously recirculates the slurry at the bottom of the cell 2 to maintain the particles in suspension.
  • the aeration system continuously disperses air into the rotor 22 to form fine bubbles which collide with and adhere to the fine valuable mineral particles in the slurry and subsequently float to the top of the cell 2 to form a mineral enriched surface froth.
  • the froth floats toward the surface, it is directed radially outwardly by the deflection cone 28 for recovery through the overflow launder 29 located near the top of the cell 2.
  • the mechanical agitator 20 is a self-aspirating agitator, there is no need for an aeration system since the self-aspirating agitator will generate air to aerate the slurry.
  • the bulk of the coarse solids in the slurry will flow through the lower or bottom opening 4 into the next flotation cell 2 due to the hydraulic gradient and gravity.
  • the slurry is subjected to agitation and aeration to generate froth containing finer mineral particles that are recovered by the launder 29 while the bulk of the slurry (gangue) passes through the lower opening 4 into the next or successive flotation cell 2.
  • the slurry exits the flotation device 1 through the discharge outlet 7 for further processing.
  • the flotation device 1 allows much coarser (i.e. larger sized) material of up to 2 mm in maximum size to be transported through the flotation cells since the majority of the slurry flow does not need to rise up through a vertical duct and overflow the weir to reach the next cell in the bank, as is required in conventional flotation banks.
  • the hydraulic, gradient is always present in the flotation device 1 that will push the coarse material from one cell to the next and eventually to the discharge outlet 7,
  • each flotation cell 2 does not require any feed box, transfer duct, dovraflow duct or valve spool pieces to transfer slurry between cells that is usually required in conventional arrangements where flotation cells are connected in series to each other.
  • the flotation device 1 is able to avoid coarse material creatinq blockages between flotation cells and "sanding up" the flotation device 1.
  • a series of flotation cells that are interconnected by a feed box, transfer duct, a downflow duct with dart valves or valve with spool pieces between each cell are subject to sanding in these areas, resulting in the problems of shutdown of the flotation cells for cleaning and maintenance and consequential loss in efficiency.
  • the flotation device 1 only has to suspend these coarser solids inside each flotation cell 2 and the majority of the slurry will transfer from one cell to the next cell via the lower or bottom opening 4.
  • the effect of the invention would be a reduced shutdown of the flotation device 1, the ability to process particles up to 2 mm in maximum diameter and an increase in the efficiency of the flotation device 1 and its associated flotation process.
  • the invention can be readily scaled to provide a flotation device with individual flotation cells that have a relatively small or high volume.
  • the invention can provide a flotation device having flotation cells with relatively small volumes of 0.5 to 2.8 m 3 .
  • the invention provides a flotation device having flotation cells with relatively high volumes, ranging from 630 m 3 to 800 m 3 and up to 1000 m 3 .
  • the ability of the flotation device 1 to process coarser sized particles means that there is significantly less power consumption in the grinding circuit since there is no longer a need to grind all the ore to a smaller particle size to enable processing through the flotation device.
  • the increase in P80 for the product size means that an ore only has to be ground sufficiently in the grinding circuit to release only the valuable minerals and not all of the gangue material has to ground. In comparison, it was required to grind the entire ore in order for the material to be within the conventional particle size limits to pass through a conventional flotation circuit or device without sanding up and keep the ore fully suspended through the flotation process.
  • the ability of the flotation device 1 to process coarser sized particles means that the particle size distribution in the feed slurry may vary more widely than conventionally permitted. Particle size distribution is determined by P80 and D50. As understood by one skilled in the art, a D50 means that 50 % of all particles present will pass through a nominated screen mesh size.
  • the P80 and D50 provide the particle slurry profile and hence the particle size distribution.
  • the invention thus permits the flotation device to process coarser sized mineral particles having a wider particle size distribution of P80 ⁇ 2 mm and D50 ⁇ 1000 ⁇ .
  • the slurry transfer means takes the form of an inclined pipe 39 that is in fluid communication with each lower opening 4 and entry opening 4a of each flotation cell 2.
  • the pipe 39 is preferably inclined at least 10°, most preferably 15°, to facilitate unimpeded slurry flow between adjacent flotation cells 2 and minimise, hinder or prevent sanding up occurring between the cells.
  • this embodiment acts in the substantially same way as the embodiment of Figures 1 to 3.
  • the slurry transfer means takes the form of a conduit instead of pipe 39, and may include a channel.
  • the lower opening 4 includes a valve to control the flow rate of the slurry.
  • the lower opening takes the form of a gate that is provided in an upstream flotation cell to control the flow rate of the slurry, as best shown in Figures 1 and 6a, where corresponding features have been given the same reference numerals .
  • the gate in the upstream flotation cell 2a is in the form of a slide gate 40 that is operatively connected to a valve actuator 42 via a shaft 44,
  • a flexible sleeve with a flow control valve is used in a downstream flotation cell to control the flow rate of the slurry, as illustrated in Figure 6b, where corresponding features have been given the same reference numerals.
  • the flexible sleeve in this embodiment takes the form, of a rubber nozzle sleeve 45 that is opened and closed using a pinching valve 47 operatively connected to the valve actuator 42 via the shaft.
  • the lower opening 4 takes the form of a sand gate, which controls the slurry flow from one flotation cell to the next successive flotation cell.
  • the slide gate 40, pinch valve arrangement 45, 47 and sand gate controls the slurry flow so that there is a constant pulp level in each flotation cell.
  • the slide gate 40, pinch valve arrangement 45, 47 and sand gate are used to maintain a set slurry level.
  • the slide gate 40, pinch valve arrangement 45, 47 and sand gate each maintains a set froth thickness to control the flotation process.
  • manually operable or automated gates and weirs can be utilised in various embodiments of the invention for the opening.
  • a computerised control system such as a remotely located DCS control system, controls operation of the gate so as to control the pulp level and froth depth in each flotation cell 2.
  • the angle of inclination a is between 10° and 65°, preferably between 13° and 50°, and more preferably between 15° and 45° to induce the hydraulic gradient.
  • the angle of inclination a is between 10° and 18° to induce the hydraulic gradient. In a preferred embodiment, said angle of inclination is 15°.
  • the floors 9 of the flotation cells 2 are not necessarily planar but instead can be curved, inclined, U-shaped, V-shaped or have any other polygonal shape. Also, only a part of the floor and not the entire floor may have one of the above shapes. Examples of possible floor shapes are shown in Figures 7a to 7e, where Figure 7a shows a floor: 9 that is curved or U-shaped, Figure 7b shows a floor 9 that is V-shaped, Figure 7c shows a floor 9 that is inclined, Figure 7d shows a floor 9 that is partly curved and Figure 7e shows a floor 9 that is partly inclined.
  • the curved and i cli ed portions of the floor 9 in Figures 7d and 7e can be located in other positions than towards one end of the cell 2, such ⁇ in the middle of the floor 9 or in the floor offset from a centreline of the cell.
  • the invention is particularly useful in processing mineral ore particles, which typically have densities of at least 2000 kg/m 3 , such as quartz ore (around 2650 kg/m 3 ) and iron ore (around 6500 kg/m 3 ) .
  • Other suitable mineral ores include copper, nickel, zinc, lead, gold, silver, platinum and other metal ores .
  • any of the features in the preferred embodiments of the invention can be combined together and are not necessarily applied in isolation from each other.
  • the feature of a laminar flow mixer for the mechanical agitator can be combined with the feature of rectangular or square walls 8 for the flotation cell 2.
  • Similar combinations of two or more features from the above described embodiments or preferred forms of the invention can be readily made by one skilled in the art .
  • the invention By providing a flotation device having flotation cells with a slurry transfer means for passing slurry through the flotation device unimpeded and floors that are gradually lower in each flotation cell to form an angle of inclination of at least 10° that creates a hydraulic gradient, the invention confers the primary advantages of being able to process slurry having coarser particles having maximum sizes of up to 2mm in contrast to conventional limits of 0.25 mm and a particle size distribution of P80 ⁇ 2 mm and D50 ⁇ 900 ⁇ . In particular, in one embodiment, this advantage is further enhanced by the angle of inclination being in the range of 10° to 18°, most preferably 15°.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)

Abstract

La présente invention concerne un dispositif de flottation (1) et un procédé de traitement d'une boue comprenant des particules minérales de taille plus grossière. Le dispositif de flottation comprend une pluralité de cellules de flottation (2) en communication fluidique les unes avec les autres, et une entrée (38) permettant de recevoir ladite boue dans l'une desdites cellules de flottation (2). Chacune des cellules de flottation (2) présente une paroi (3) ayant une ouverture inférieure (4) qui permet à ladite boue de passer d'une cellule de flottation précédente à une ouverture d'entrée (4') d'une cellule de flottation (2) suivante, un moyen de transfert de boue (39) en communication fluidique avec ladite ouverture inférieure (4) et ladite ouverture d'entrée (4') pour faciliter l'écoulement non entravé de la boue. Un plancher (9) de chacune desdites cellules de flottation (2) suivantes est inférieur à un plancher (9) de ladite cellule de flottation (2) précédente pour créer un angle d'inclinaison d'au moins 10° pour induire un gradient hydraulique afin d'entraîner ladite boue vers une sortie d'évacuation (7) dudit dispositif de flottation (1).
PCT/FI2016/050100 2015-02-18 2016-02-17 Dispositif de flottation et procédé permettant de faire passer des particules de taille plus grossière à travers un dispositif de flottation Ceased WO2016132016A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2017130951U RU179963U9 (ru) 2015-02-18 2016-02-17 Флотационное устройство для пропускания крупнозернистых частиц через флотационное устройство
AU2016221600A AU2016221600B2 (en) 2015-02-18 2016-02-17 A flotation device and method for passing coarser sized particles through a flotation device
FIU20174210U FI11895U1 (fi) 2015-02-18 2017-09-13 Flotaatiolaite karkeampikokoisten partikkelien kuljettamiseksi flotaatiolaitteen läpi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2015900550 2015-02-18
AU2015900550A AU2015900550A0 (en) 2015-02-18 A flotation device and method for passing coarser sized particles through a flotation device

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WO2016132016A1 true WO2016132016A1 (fr) 2016-08-25

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CL (1) CL2017002094U1 (fr)
FI (1) FI11895U1 (fr)
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Cited By (4)

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CN108144755A (zh) * 2017-02-25 2018-06-12 繁昌县聚成新能源有限责任公司 一种独立选硫的浮选机生产线
CN112746167A (zh) * 2019-10-31 2021-05-04 北矿机电科技有限责任公司 一种粗颗粒悬浮搅拌浸出槽及连续作业系统
EP3743213A4 (fr) * 2018-01-23 2021-09-08 Outotec (Finland) Oy Ligne de flottation
CN115518774A (zh) * 2022-09-28 2022-12-27 昆明理工大学 一种提高浮选质量的浮选机

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RU179963U9 (ru) 2018-08-14
AU2016221600A1 (en) 2017-08-24

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