Mill power Usually, plant operators use mill power readings as an indicator of ball filling degree and, often, try to keep it at the maximum level It is well known that the mill absorbed power depends on operating parameters other than ball level, such as pulp density and liner configuration Figure 2 shows that there is no linear relation between

Get Pricepower estimation of ball mill Home/ power estimation of ball mill Read More THE OPTIMAL BALL DIAMETER IN A MILL The ball impact energy on grain is proportional to the ball diameter to the third power: 3 E K 1 d b 3 The coefficient of proportionality K 1 directly depends on the mill diameter, ball mill loading, milling rate and the type ,

Get Pricepower calculation formula for ball mill Tanzania Ball Mill >A motor with around 1400 Horse Power is calculated needed for the designed task Now we much select a Ball Mill that will draw this power The ball mill motor power requirement calculated above as 1400 HP is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution The following ,

Get PriceCalculation Of Power Consumption For Ball Mills As the ball wear rate depends directly on the surface of the media charge a small variation in power will lead to an important increase of wear rate The risk of underloading or overloading the mill is an additional factor A direct measurement of the ball level in the mill more accurate than power readings as well as a control of it is

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Get PriceWet Ball Mill Power Draw (Bond) For wet ball mills, Bond expressed power draw as a function of the total mass of media:Pâ†“M / Mâ†“B – 156Î¦â†“V (1 , Corrections to counter the over estimation included in a slump factor, F s:Fâ†“S = 1102 (4572 ,

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Get Price• Effective mill power draw • Ball mill specific grinding rate • Ball mill grinding efficiency The circuit output is defined as the production rate of fines by the circuit It is calculated from three values: 1 The dry ore feed rate to the circuit (t/h) 2 The % fines in the circuit feed

Get Pricetorque mill test is the mill energy input divided by the solids load The energy specific cumulative grinding rate at each screen size is calculated from a torque-mill test as in the example that follows Torque mill solids load during test: 1125 kg (248 lb) of ball mill feed sample from plant survey Sample is reconstituted with water to be ,

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Get PriceDec 08, 2009· Re: how to estimate the wear rate for Ball mill Most practical way to by measuring empty height and calculating the % volumetric filling of grinding mediaAlternative way to make track of mill main drive kW consumption reduction and add makeup charge according to the extent of fall in power consumption

Get PriceLarge electrically -driven ball mills used for grinding ore to a size suitable as feedstock to the , Electricity consumption estimate for mining and processing bauxite for export in Ghana ,15 Table 5 , estimate the power requirements for a sector of the minerals industry by commodity or

Get PriceCrushed ore is fed to the ball mill through the inlet; a scoop (small screw conveyor) ensures the feed is constant For both wet and dry ball mills, the ball mill is charged to approximately 33% with balls (range 30-45%) Pulp (crushed ore and water) fills another 15% of the drum’s volume so that the total volume of the drum is 50% charged

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Get PriceCite this chapter as: Lepore R, Wouwer AV, Remy M, Bogaerts P (2007) Receding-Horizon Estimation and Control of Ball Mill Circuits In: Findeisen R, Allgöwer F ,

Get PriceCalculating Power Draw When Sizing Ball Mills Grinding Gross Power Calculator Smc Testing Predicted slurry pooling causes the power draw in ag and sag mills to be lower than a mill without a slurry pool this phenomenon results in overflow mills usually drawing less power than grate discharge mills that are operating without a slurry pool this is because by definition overflow mills operate ,

Get PriceBall Mill Design/Power Calculation The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and ,

Get PriceBall Mill Design/Power Calculation The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and ,

Get PriceAug 30, 2019· 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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Get Pricefigure 2 mill inside measurement points figure 3 figure 4 observed vs design power consumption of ball mills bond mill power equation for saleprices – prices of jaw the power draw estimate is based mostly on the bond ball mill formula where the feed to how to calculate power Learn More

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Get Price A) Total Apparent Volumetric Charge Filling – including balls and excess slurry on top of the ball charge, plus the interstitial voids in between the balls – expressed as a percentage of the net internal mill volume (inside liners) B) Overflow Discharge Mills operating at low ball fillings – slurry may accumulate on top of the ball charge; causing, the Total Charge Filling Level to ,

Get PriceVery large tonnages can be ground with these ball mills because they are very effective material handling devic Ball mills are rated by power rather than capacity Today, the largest ball mill in operation is 853 m diameter and 1341 m long with a corresponding motor power of 22 MW (Toromocho, private communications)

Get PriceKinetic grinding test approach to estimate the ball mill work index 343 The W i parameter is obtained from Bond’s ball mill grindability test (Bond, 1961)

Get PriceAccording to the proposed method the calculation of power consumption was performed for the tubular ball mill Ø4×13,5 m They also recorded the consumed power values concerning a similar mill at ,

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