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Outokumpu Flotation Cell

NUMERICAL MODELING OF AN OUTOKUMPU

2003-11-26 · The flotation cell by Outokumpu in general consists of flotation tank, rotor and stator, air feed mechanism and pulp feed- and discharge mechanism. Figure 1 shows Outokumpu cell design in general. Industrial cell size can be from 5m³ to 200m³. Figure 2 is a close up demonstration of air distribution and slurry pumping. The

Flotation Tank Cells - Metallurgist & Mineral Processing ...

2018-5-22 · The froth crowders or “boosters,” as they are called, extend free deep in the cell near the rotor toward the froth lip reducing the area available for froth

Outokumpu Technology to deliver world's largest flotation ...

2007-2-1 · Outokumpu Technology has agreed the delivery of three TankCell®-300 flotation cells to OceanaGold's Macraes operation in New Zealand. TankCell®-300, with an active capacity of over 300m3, is the largest mechanical flotation cell in the world.

Flotation Cell Design: Application of Fundamental

2016-6-7 · Figure 4 Typical flow patterns in a mechanical flotation cell (courtesy of Outokumpu Mintec Oy, Finland). sure through the hollow shaft to the impeller region. Self-induced air machines utilize a standpipe which shroudsthe drive shaft which is solid. The impeller is located almost in the midpoint of the cell which

(PDF) Modelling of froth transportation in an Outokumpu ...

compares the froth transportation profiles in the Outokumpu 3 m 3 tank cell at different froth depths and air rates, at the same impeller speed of 200 rpm.

DEVELOPMENT OF CFD MODELS OF MINERAL

2003-11-26 · Outokumpu Flotation Cell The Outokumpu impeller was operated at a speed of 328 rpm. The CFD mesh has 146,912 grid points as shown in Figure 6 with details of the surface grid on the impeller shown in Figure 7. The velocity vectors predicted by CFD in a vertical plane are shown in Figure 8. The predicted flow pattern consists

Modelling and measurement of multi-phase

2019-12-1 · Photographs of the Outotec flotation cell components. Download : Download high-res image (251KB) Download : Download full-size image; Fig. 2. Physical model of the Outokumpu flotation cell with the LDV system. Note the top half of the tank is the flotation cell while the bottom half is below the false bottom and plays no part in the hydrodynamics.

Modelling of froth transportation in industrial flotation ...

2004-9-1 · Outokumpu 50 m 3 tank flotation cell at Anglo Platinum BRPM concentrator. The primary rougher flotation cells at BRPM are Outokumpu tank cells with approximately 50 m 3 of effective volume, 4.282 m in diameter, and 4.4 m in height. The cells are also configured with a froth crowder of approximately 1.3 m diameter (at the froth surface level), a ...

Polyurethane spare parts for flotation cells

2019-7-30 · Outokumpu flotation cells, Outotec flotation cells, OK-TC cells, OK-R cells and OK-U cells, TankCell. ane disperser, polyurethane hood for WEMCO flotation cells, WEMCO 1+1 flotation cells, WEMCO Smart Cell flotation Polyurethane spare parts for Flotation Cells Via A. Verga no. 9 – 24127, Bergamo - Italy

Flotation Cell Control - International Mining

2005-9-15 · Flotation cells have three main control parameters. (1) reagent dosing rate (2) froth depth and (3) air addition. rate. Many other parameters may vary such as feed rate, particle. size distribution and head grade, however these are the output. of upstream processes and are not controlled in the flotation. circuit itself.

Flotation cell with eccentric rotor and stator - Outokumpu

A flotation cell of the type comprising at least one froth removal edge and a rotor and stator adapted to be immersed in the liquid to be flotated, in order to direct the surface flow in the flotation cell towards its removal edge or edges, the clearance between the rotor and the stator, as seen in the rotation direction of the rotor, widens in that rotational sector or those rotational ...

DEVELOPMENT OF CFD MODELS OF MINERAL

2003-11-26 · Outokumpu Flotation Cell The Outokumpu impeller was operated at a speed of 328 rpm. The CFD mesh has 146,912 grid points as shown in Figure 6 with details of the surface grid on the impeller shown in Figure 7. The velocity vectors predicted by CFD in a vertical plane are shown in Figure 8. The predicted flow pattern consists

SELECTION OF MECHANICAL FLOTATION EQUIPMENT

2021-6-24 · flotation cell rotor. Traditionally flotation plant design blower selection and control has been based on using an oversized positive displacement blower, or an industrial fan, with any excess air discharged to atmosphere. While easy to select and design, this type of circuit contains inefficiencies especially when it comes to energy consumption.

Polyurethane spare parts for flotation cells

2019-7-30 · Outokumpu flotation cells, Outotec flotation cells, OK-TC cells, OK-R cells and OK-U cells, TankCell. ane disperser, polyurethane hood for WEMCO flotation cells, WEMCO 1+1 flotation cells, WEMCO Smart Cell flotation Polyurethane spare parts for Flotation Cells Via A. Verga no. 9 – 24127, Bergamo - Italy

Flotation machine - Oyj, Outokumpu

1. Flotation machine comprising: a flotation cell having a means for feeding slurry in the flotation cell, a means for feeding air into the slurry and producing froth, a means for removing froth from the flotation cell, a means for removing tailings from the flotation cell, means for preventing a possible froth collapse during movement of the froth removal device consisting essentially of at ...

Kämpjärvi, Petteri; Jämsä-Jounela, Sirkka-Liisa Level ...

Modelling the Outokumpu flotation cells Fig. 3 shows the cross-section of the flotation cells under study. The pulp level changes as a function of the cell volume. The change is linear from the bottom of the cell to the starting level of the launders and boosters, denoted by

Polyurethane spare parts for Flotation Cells

2019-12-13 · cells and OK -U cells, TankC ell. Eurogomma supplies polyurethane star rotor , polyurethane disperser, polyurethane hood for WEMCO flotation cells, WEMCO 1+1 flotation cells, WEMCO Smart Cell flotation together with wemco star rotor, wemco polyurethane start rotor and wemco disperser h ood.

Leading Technologies in MineralLeading Technologies in ...

2014-3-17 · Evaluating different cell designs Increasing cell sizes / scale-up Controls and automation • Before 1969 virtually all flotation cells were below 3 m3 volume • 1970 - 16 m3 Outokumpu, Finland • 1976 - 38 m3 Outokumpu, Finland • 1982 - 60 m3 Pyhäsalmi, Finland • 1995 - 100 m3 EdidEscondida, Chile • 1997 - 150 m3 Australia

Frontiers | A Study on the Electric Surface Potential and ...

Bench-scale flotation tests were carried out in a 1.5 l Outokumpu flotation cell. A fresh background solution was prepared for each experiment with 10 mM NaCl or 1 mM MgSO 4. In addition, DowFroth 250 (DF250) at a concentration of 10 ppm was used as frother. The pH of the solution was controlled at either 5, 7, or 9.

Flotation Cell Control - International Mining

2005-9-15 · Flotation cells have three main control parameters. (1) reagent dosing rate (2) froth depth and (3) air addition. rate. Many other parameters may vary such as feed rate, particle. size distribution and head grade, however these are the output. of upstream processes and are not controlled in the flotation. circuit itself.

Numerical Modelling of an Outokumpu Flotation Cell

The flow field induced in an Outokumpu TankCell and by an OK rotor-stator mixing device in a laboratory and a process size flotation cell was modelled numerically using computational fluid dynamics (CFD). The primary target was to discover and reproduce the various interactions between the flow field and the flotation cell by numerical means.

RECENT EXPERIENCES セjャth@ LARGE OUTOKUMPU

2015-8-6 · FUNCTIONAL ZONES lN OUTOKUMPU CELLS STABIL FROTH CLEANING ZONE ISEMIFROTHl TRANOUIL ZONE Figure 4 - The different regions in deep flotation cell 1. The lowerest region is a strongly turbulent mixing zone where even the coarsest mineral particles are well in 245 . suspension and have a high probability of coming into contact with air bubbles.

Outokumpu Technology to deliver world's largest flotation ...

2021-8-1 · Outokumpu Technology has agreed the delivery of three TankCell®-300 flotation cells to OceanaGold's Macraes operation in New Zealand. TankCell®-300, with an active capacity of over 300m3, is the largest mechanical flotation cell in the world.

DEVELOPMENT OF CFD MODELS OF MINERAL

2003-11-26 · Outokumpu Flotation Cell The Outokumpu impeller was operated at a speed of 328 rpm. The CFD mesh has 146,912 grid points as shown in Figure 6 with details of the surface grid on the impeller shown in Figure 7. The velocity vectors predicted by CFD in a vertical plane are shown in Figure 8. The predicted flow pattern consists

Outokumpu Cell - VSIP.INFO

The conventional Outokumpu flotation cells – OK-R and OK-U – include most of the features of the advanced Outokumpu TankCell® units. They are optional to TankCell® units especially for smaller tank volumes (less than 50 m3). The OK-R and OK-U cells operate successfully as roughers, scavengers and cleaners. Standard OK-U cells (from 8 to ...

SELECTION OF MECHANICAL FLOTATION EQUIPMENT

2021-6-24 · flotation cell rotor. Traditionally flotation plant design blower selection and control has been based on using an oversized positive displacement blower, or an industrial fan, with any excess air discharged to atmosphere. While easy to select and design, this type of circuit contains inefficiencies especially when it comes to energy consumption.

An investigation of the effect of physical and chemical ...

2006-1-9 · Three mechanically agitated Outokumpu flotation cells were used in the tests, the size of the cells being 50 dm3, 70 dm3 and 265 dm3, respectively. The last mentioned was especially designed and constructed for this study. The cells were operated under batch conditions. The hydrodynamic conditions prevailing in the cells were modified mainly by ...

Leading Technologies in MineralLeading Technologies in ...

2014-3-17 · Evaluating different cell designs Increasing cell sizes / scale-up Controls and automation • Before 1969 virtually all flotation cells were below 3 m3 volume • 1970 - 16 m3 Outokumpu, Finland • 1976 - 38 m3 Outokumpu, Finland • 1982 - 60 m3 Pyhäsalmi, Finland • 1995 - 100 m3 EdidEscondida, Chile • 1997 - 150 m3 Australia

Frontiers | A Study on the Electric Surface Potential and ...

Bench-scale flotation tests were carried out in a 1.5 l Outokumpu flotation cell. A fresh background solution was prepared for each experiment with 10 mM NaCl or 1 mM MgSO 4. In addition, DowFroth 250 (DF250) at a concentration of 10 ppm was used as frother. The pH of the solution was controlled at either 5, 7, or 9.

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