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SELECTION OF MECHANICAL FLOTATION EQUIPMENT AusIMM
Historically flotation cell tanks have been of the square ‘hogtrough’ design, which are also known as conventional flotation cells In a bank of conventional cells, the slurry enters2004年9月1日· The primary rougher flotation cells at BRPM are Outokumpu tank cells with approximately 50 m 3 of effective volume, 4282 m in diameter, and 44 m in heightModelling of froth transportation in industrial flotation cells:
Modelling and measurement of multiphase
2019年12月1日· The flow field, gas dispersion and solids concentration in a flotation cell fitted with an Outotec (Outokumpu) flotation mechanism have been studied using bothThe transportation time of the surface froth from various locations on the cell surface to the concentrate launder was measured in an Outokumpu 3 m3 tank cell under variousModelling of Froth Transportation in an Outokumpu 3 m3 Tank Cell
Modelling of entrainment in industrial flotation cells:
2006年8月1日· Experimental data were collected from an Outokumpu 3 m 3 tank cell in the Xstrata Mt Isa Mines copper concentrator The data are fitted to the models and the2005年1月1日· Experimental data collected from three different Outokumpu tank flotation cells in three different concentrators are well fitted by the proposed exponential modelModelling of entrainment in industrial flotation cells: the
Classification function for solids suspension in the
solids suspension measurements in the Perilya Broken Hill lead and zinc concentrator (previously owned by Pasminco) were conducted in the first zinc rougher cell, an Outokumpu 100 m 3Modelling of froth transportation in an Outokumpu 3m3 tank cell Article Fulltext available Jan 2005 Xiaofeng Zheng JeanPaul Franzidis Norman Johnson EV Manlapig Froth transportationcompares the froth transportation profiles in the
Modelling of Froth Transportation in an Outokumpu 3 m3 Tank Cell
A mathematical model for froth transportation in industrial flotation cells was proposed (Zheng et al, 2004) The model has been tested on the experimental data obtained from1995年6月1日· Flotation of copper with an Outokumpu HG tank cell prior to gold leaching Randol Gold Forum Beaver Creek '93 (1993) P Boutin et al Column Flotation Mining World In a mechanical flotation cell, macro hydrodynamics is responsible for solids suspension and aggregates transport,Column flotation: A selected review— part IV: Novel flotation devices
(PDF) Development of CFD models of mineral
2003年1月1日· Figure 6: Surface grid of the Outokumpu flotation cell Figure 7: Collision rates in the CSIRO flotation cell and the stirred tank have been compared As flotation machines,cell are described below Cell Tank TheproRleofacell tankisrectangularwithtruncated corners, Ushaped, conical or cylindrical, depending on cell type and size Typically, mechanical cells are designed with a rectangular tank bottom for cells with volume up to 3 m3 and a Ushaped bottom for cells with volume up to about 38}45m3 Cells largerFlotation Cell Design: Application of Fundamental Principles
compares the froth transportation profiles in the Outokumpu 3 m 3 tank
Download scientific diagram | 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 Clearly2019年12月1日· Photographs of the Outotec flotation cell components Download : Download highres image (251KB) Download : Download fullsize 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 theModelling and measurement of multiphase hydrodynamics in the
CMG Metal Mine Hajar Morocco Mining Technology
2000年3月26日· Outokumpu tank flotation cells One of the mine’s drilling jumbos Outokumpu Electronics Courier 30 online analyser The concentrator control room One of the Larox pressure filters The tailings disposal area has been carefully engineered2004年9月1日· The primary rougher flotation cells at BRPM are Outokumpu tank cells with approximately 50 m 3 of effective volume, 4282 m in diameter, and 44 m in height The cells are also configured with a froth crowder of approximately 13 m diameter (at the froth surface level), a 45 cm wide internal concentrate launder and an external concentrateModelling of froth transportation in industrial flotation cells:
The use of large OK16 flotation machines at the concentrators of
flotation machines was smooth and troublefree from the start, both mechanically and from the control point ofview During thetwoyears the cells have been operating, no wear in the rotor, stator, or the 434 JUNE1976 machine itself has been noticed The feed of flotation air into the OK16 cells has been about 20m3 per celland isvery abrasive TheMoreover, they found that experimental data collected from Outokumpu tank flotation cells of three different sizes (3,100, and 150 m 3 ) were fitted using the proposed exponential model,Classification function for solids suspension in the Outokumpu
Comparison of J g values (cm/s) for various Outokumpu tank cells
The APBS is a gas dispersion measurement device that samples the pulp phase of a flotation cell Image analysis is applied to digital photographs taken by the APBS to determine the Sauter mean2019年9月1日· Two industrial scale flotation cells: minevik and Outokumpu; Exact dimensions not reported: Impeller sizes not reported: performed on relatively coarser grids to understand the mixing process and calculate average mixing time in flotation cells 2 Tank configuration and impeller design A labscale cylindrical tank of diameter (D)CFD simulation of singlephase flow in flotation cells: Effect of
Modelling of froth transportation in industrial flotation cells:
2004年9月1日· Modelling of froth transportation in an Outokumpu tank flotation cell at the Anglo Platinum Bafokeng–Rasimone Platinum Mine (BRPM) concentrator September 2004 Minerals Engineering 17(910):989年12月1日· The experiments were carried out at the former CSIRO laboratories at Highett, Melbourne The flotation cell mechanism was provided by a former subsidiary of Outotec (Outokumpu Technology Pty Ltd) A photo of the flotation cell components is shown in Fig 1 The mechanism was mounted on the top of the tank with two metal barsModelling and measurement of multiphase hydrodynamics in the
Calculate Flotation Cell Capacities Volume vs Retention Time
2015年10月9日· If the time needed to condition and float a particular ore is known, the size of the conditioning tank and the number of flotation cells required can be calculated from Table 28 To find the conditioning tank capacity, the figure in the third column of the table corresponding to the required pulp dilution must be multiplied by the tonnage to be2003年11月1日· Fig 1 Schematic diagram of flotation cells For the first cell in the series: (1) ∂ V 1 ∂ t = (q−F 1 )=q−KC v (u 1) y 1 −y 2 +h 1 where q =feed rate to the first cell, y1 =pulp level in the first cell, y2 =pulp level in the second cell, hn =physical difference in height between the cells, u1 =control signal, K =constant coefficientLevel control strategies for flotation cells ScienceDirect
Celdas OK PDF | PDF | Nature Scribd
Conventional Outokumpu flotation cells Optional cells for smaller tank volumes The Outokumpu The conventional Outokumpu flotation cells – OKR and OKU – include most partnership of the features of the advanced Outokumpu TankCell® units They are optional to TankCell® units especially for smaller tank volumes (less than 50 m3)2005年1月1日· It should also be noted that, in industrial flotation cells, there is always a significant portion of the froth burst on the surface of the cell and not reporting to the concentrate launderModelling of froth transportation in an Outokumpu 3m3 tank cell
Milestones in the Improvement of Nickel and Copper Recoveries
Installation and commissioning of 100m3 Outokumpu flotation tank cell in 1996 resulting in nickel recovery improvement of 020 %, Replacement of rougher and scavenger flotation banks in 1999 by adding 12 % additional flotation capacity, Millstar and Floatstar for process control of the grinding and flotation circuits in 2001/20022015年9月10日· Introduction Flotation is an important process in the mineral industry (Yianatos, 2007, Zhou et al, 2010) The capacity of conventional dressing plants exceeds one hundred thousand tons per day, with flotation cells ranging in volume up to 660 m 3 (Devan et al, 2014, JuHa et al, 2003, Rodrigo et al, 2014) Due to the development ofExperimental and computational analysis of the impeller angle in a
Flotation Machine an overview | ScienceDirect Topics
Probably the most significant area of change in mechanical flotation machine design has been the dramatic increase in machine size This is typified by the data of Fig 8, which shows the increase in machine (cell) volume size that has occurred with a commonly used cell manufactured by WemcoThe idea behind this approach is that as machine size