# parameters of ball mill in grinding of copper ore

### amount of feed to rod mill when grinding copper ore

Mining GlossaryInsideMetals Ball MillA steel cylinder containing about 40 volume of steel balls used to grind ore The mill is rotated causing the balls to cascade and grind the ore porous filter medium and filter out all fine solids from relatively clear feed solution such as silver copper and mercury which will be further refined to near pure gold.

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sections such as secondary and tertiary crushing ball mill grinding and classification The results showed that a combination of semi autogenous and ball mill grinding is an appropriate way of comminution circuit optimization Keywords AG SAG ore blend industrial experiment concentrator.

Get Price### Factors Affecting Ball Mill Grinding Efficiency

The following are factors that have been investigated and applied in conventional ball milling in order to maximize grinding efficiency a Mill Geometry and SpeedBond 1954 observed grinding efficiency to be a function of ball mill diameter and established empirical relationships for recommended media size and mill speed that take this factor into account.

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Research was done by the Bureau of Mines to determine the effect of a low molecular weight polymer on wet grinding of quartz dolomite and a copper ore A 5 in ball mill equipped with a torque sensor for precise measurement of input energy was used for batch grinding tests Grinding parameters were determined from size distribution data on the feed material and ground product.

Get Price### Factors Affecting Ball Mill Grinding Efficiency

The following are factors that have been investigated and applied in conventional ball milling in order to maximize grinding efficiency a Mill Geometry and SpeedBond 1954 observed grinding efficiency to be a function of ball mill diameter and established empirical relationships for recommended media size and mill speed that take this factor into account.

Get Price### Indicators and Influencing Factors of Grinding and

The influencing factors of these two parameters mainly include the feeding nature into the grinding mill the particle size requirements of the product the type and model of the grinding mill the speed of the grinding mill the grinding medium the filling rate of steel ball and so on To increase the output of the grinding machine we can

Get Price### THE OPTIMAL BALL DIAMETER IN A MILL

grinding quartz and copper ore in a laboratory ball mill there has been defined a general form of the equation for determining the optimal ball diameter depending on the grain size being ground and the parameter of the equation through which the influence of a mill is being

Get Price### Advanced Controller for Grinding Mills Results from a

Figure 2 Ball Mill Grinding Circuit The ball mill is in closed circuit with a sump and three cyclone classifiers The ore and trim water are added to the ball mill and the outflow from the ball mill goes to a sump where additional water is added The slurry from the ball mill is pumped out of a sump into two cyclone separators The underflow

Get Price### Analysis of a grinding efficiency in the electromagnetic

used in grinding process as well as the parameters of the feed among others the crushing resistance or particle size The paper presents the results of kinetic study of copper ore grinding in electromagnetic mill for variable feed particle size distribution of and different sizes of grinding

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The ball mill grinding circuit has vast applications in the mining metallurgy chemistry pharmacy and research laboratories however this system has some challenges The grinding circuit is a multivariable system in which the high interaction between loops the variation of the system parameters with time and time delay are some of the

Get Price### INCREASING SAG MILL CAPACITY AT THE COPPER

Ore grade averaged 0.33 Cu s with a copper recovery of approximately 82 Copper concentrate production in 2013 was 66.2 million pounds containing over 21 000 oz gold and 320 000 oz of silver 2014 production was 81 million pounds of copper 22 600 oz gold and 443 700 oz

Get Price### THE EFFECT OF BALL MILL OPERATING PARAMETERS ON

by mill operating parameters It is hoped that this work can be used as a precursor to the development of a model that can predict liberation given the various ranges of operating parameters Mill speed mill charge ball size and wet grinding are the parameters which have been selected for the present study It is hoped that the analysis of the

Get Price### Semi Autogenous Grinding of Copper Ores

The length and diameter of a SAG mill are determined principally by the desired throughput capacity and the grindability of the ore For conventional ball mill grinding grindability is usually expressed in terms of the Bond Work Index which is determined in laboratory tests and expresses numerically the power required to reduce rock from a

Get Price### Influence of an Organic Polymer in Ball Mill Grinding of

in Ball Mill Grinding of Quartz Dolomite and Copper Ore By A R Rule A J Fergus and C B Daellenbach UNITED STATES DEPARTMENT OF THE INTERIOR ilcy 1 o d MINES 75TH A Report of Investigations 8964 Influence of an Organic Polymer in Ball Mill Grinding of Quartz

Get Price### Analysis of process of grinding efficiency in ball and rod

The article presents the results of laboratory scale research on the determination of the impact of ball mill parameters and the feed directed to grinding on its effectiveness and comparing it with the efficiency of grinding in a rod mill The research was carried out for grinding copper ore processed in O/ZWR KGHM PM S.A.

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grinding ball mill for copper mine copper ore ball mill Experimental Study of Operational ParametersResearch Square the mill is copper ore with the size smaller than 25.4 mm which d80 and d50 of For the product size distributions in a ball mill the well known batch grinding.

Get Price### Choose right speed to improve ball mill grinding

1 If the rotating speed is low the ball in the ball mill will be lifted to a small height The ball will slide down from the top of the ball load by the gravity of the ball itself At this time the impact force of the ball is very small but the grinding effect is strong The ore is mainly peeled and crushed and the grinding effect is

Get Price### Optimization of Wet Grinding Parameters of Calcite Ore

Optimization of Wet Grinding Parameters of Calcite Ore in Stirred Ball Mill 226 Ç.Ü Müh Mim Fak Dergisi 33 3 Eylül 2018 1 INTRODUCTION The purpose of this experimental investigate the Grinding particularly ultra fine grinding is a unit operation with high energy requirements in the

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The article concerns issues related to the copper ore ball mill grinding process operating at different technological parameters The aim of the study was to investigate the influence of various

Get Price### Application of response surface methodology for

For this study materials copper sulphide ore were sampled from the SAG mill feed in Sungun copper concentrator plant The density of ore was 2.8 g/cm 3.The ore was crushed in a laboratory scale jaw crusher and roll crusher successively to prepare materials for ball mill grinding tests.

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Offers 1 124 ball mill for grinding copper ore products About 94 of these are mine mill 1 are grinding equipment A wide variety of ball mill for grinding copper ore options are available to you such as ac motor stepper motor and dc motor.

Get Price### Optimization of Wet Grinding Parameters of Calcite Ore

Optimization of Wet Grinding Parameters of Calcite Ore in Stirred Ball Mill 226 Ç.Ü Müh Mim Fak Dergisi 33 3 Eylül 2018 1 INTRODUCTION The purpose of this experimental investigate the Grinding particularly ultra fine grinding is a unit operation with high energy requirements in the

Get Price### Hydrous Clay Copper Ore Grinding Ball Mill

Grinding dolomite ball mill system price for iron ore copper ore dolomite bentonite limestone hematite bauxite grinding ball mill for refractory clay powder 1000 high quality Gold mining machine small wet ore grinding Ball Mill with low price 1000..00 Set 1.0 Sets Min Order Brand new 10tph rock .

Get Price### Application of response surface methodology for

Abstract Modeling of some parameters of wet ball milling system of copper sulphide ore was performed in this study A three level Box–Bhenken design combining a response surface methodology RSM with quadratic model was employed for modeling of key operating parameters of ball mills Grinding experiments were designed and executed by a laboratory ball mill considering ball size ball

Get Price### The effect of slurry density on breakage parameters of

Powder Technology 42 1985 287296 The Effect of Slurry Density on Breakage Parameters of Quartz Coal and Copper Ore in a Laboratory Ball Mill C TANGSATHITKULCHAI and L G AUSTIN Mineral Processing Section Department of Mineral Engineering The Pennsylvania State University University Park PA 16802 U.S A Received February 16 1984 in revised form May 14

Get Price### Application of response surface methodology for

Application of response surface methodology for modeling of ball mills in copper sulphide ore grinding A Ebadnejad a ⁎ G.R Karimi a H Dehghani b a Department of Mining Engineering School of Engineering IKI University Qazvin Iran b Department of Mining Engineering School of Engineering University of Shahid Bahonar Kerman Iran article info abstract

Get Price### Wet overflow ball millYantai Jinpeng Mining equipment

The main component of wet overflow ball mill is a cylinder with bigger diameter and smaller length which is revolved by transmitting machinery Materials are put in cylinder through the feed opening and then thoroughly grinded The falling course of iron balls and ores can produce huge falling impact and autogenous grinding is a high technological enterprise that integrated research

Get Price### 3 Important Indicators In Grinding And Classification Stage

The production capacity of the mill can be subdivided into two parameters namely the production capacity of the mill and the capacity per unit mill volume 1 Production capacity of grinding machine This parameter refers to the amount of ore processed by the mill per hour in units of t station h at a given ore feed and product size.

Get Price### Ball Mill for Gold Ore Rock Copper Cement Grinding

Ball Mill for Gold Ore Rock Copper Cement Grinding Ball mill application Ball mill is the key equipment for recrushing the materials after they are primarily crushed It is an efficient tool for grinding various materials into powder There are two ways of grinding the dry process and the wet process It can be divided into tabular type

Get Price### China Ball Mill for Grinding OreChina Copper Ore Ball

Copper Ore Ball Mill Ore Ball Mill Ball Mill for Ore manufacturer supplier in China offering China Ball Mill for Grinding Ore 200 to 3000 Tons Per Day Lime Calcination Rotary Kiln at Cement Producing Processing Plant Energy Saving Mini Stone Rock Jaw Crusher for Sale with Factory Price and so on.

Get Price### Influence of an Organic Polymer in Ball Mill Grinding of

in Ball Mill Grinding of Quartz Dolomite and Copper Ore By A R Rule A J Fergus and C B Daellenbach UNITED STATES DEPARTMENT OF THE INTERIOR ilcy 1 o d MINES 75TH A Report of Investigations 8964 Influence of an Organic Polymer in Ball Mill Grinding of Quartz

Get Price### Semi Autogenous Grinding of Copper Ores

The length and diameter of a SAG mill are determined principally by the desired throughput capacity and the grindability of the ore For conventional ball mill grinding grindability is usually expressed in terms of the Bond Work Index which is determined in laboratory tests and expresses numerically the power required to reduce rock from a

Get Price### Determination and scale up of the milling parameters of

The ball mill measured 0.305 m in diameter and 0.127 in length It was driven by an asynchronous motor rated with power close to 10 kW A schematic of the experimental laboratory ball mill used is shown in Fig 3 2.2 Sample preparation The copper cobalt ore used in the actual test work was obtained from the feed to the

Get Price### Optimization of the make up ball charge in a grinding mill

The −20 10 mm fraction pebbles are compared with steel balls as media for grinding of a copper concentrate in a vertical stirred mill which obtained from a 7.0 m diameter 3.5 m SAG mill at

Get Price### Analysis of the Effects of Grind Size on Production of

This crushed ore was then taken to rod or ball mills for grinding to the size required for flotation From grinding mills the pulp was fed to classifiers e.g Cyclones which returned the coarser particles to the mill for further grinding According to 9 fineness of grind is the single most effective control action influencing the

Get Price### Determining milling parameters of a pear shaped ball mill

Determining milling parameters of a pear shaped ball mill for grinding high talc oxidized copper cobalt ore 11 Vol 8 2Q2017 9259 Kime.qxp Layout 1 5 02 PM

Get Price### EFFECTS OF MILL ROTATIONAL SPEED ON THE BATCH

depending on feed size and mill speed The parameters and were constant at 7.3 and 1.17 respectively Key terms Population balance Model ball milling communition Size specific energy Selection function breakage function mill critical speed Platinum ore milling kinetics breakage rate.

Get Price### Grind Optimization of Konkola Blended Copper Ore

Konkola West Concentrator stockpile handles 55000 tonnes copper ore per day producing an average of 400 tonnes of concentrate The grade of the concentrate is 36 to 40 TCu The plant efficiency recovery is at 89 TCu The concentrator operations include Primary secondary and tertiary crushing grinding flotation dewatering and tailings disposal.

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Ball mill is the key equipment for grinding after the crush process and it is various mine materials manganese copper tungsten ore chrome ore etc 3 The impact of liner materialThe main parameters affecting the.

Get Price### Rod mills how they functionMine Engineer

The rods grind the ore by tumbling within the the mill similar to the grinding balls in a ball mill To prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 1.4 to 1.6 Rod mills accept feed up to about 50 mm 2 in and produce a product in the size range of 3000 to 270 mm –4 to –35 mesh .

Get Price### Ball Mill Parameter Selection CalculationPower

1 Calculation of ball mill capacity The production capacity of the ball mill is determined by the amount of material required to be ground and it must have a certain margin when designing and selecting There are many factors affecting the production capacity of the ball mill in addition to the nature of the material grain size hardness density temperature and humidity the degree of

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