ball rod mill charge calculation estimation

ball rod mill charge calculation estimation. We can calculate the steel charge volume of a ball or rod mill and grinding charge of a ball mill method for estimating calculate ball charge ball mill . Get Price

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AMIT 135: Lesson 8 Rod Mills Mining Mill Operator Training

Mill capacity is dependent on: 1. Mill Characteristics (length, diameter, rotation speed, lifters) 2. Feed Characteristics (work index) 3. Reduction Ratio Under given load and particle size requirement, capacity is a function of mill length and diameter: Q = kLD 2+N Nis related to mill diameter which decreases with larger diameters k a constant equal to π /4.Live Chat

20150821 Morrell MethodGMGICEv01r01 Morrell method for

3. Power draw of the comminution equipment (kW) In the case of mills, the power draw should be represented in terms of power at pinion for gear and pinion drives and at shell for gearless drives. For crushers, this should be the net power draw, that is, the gross (motor input) power draw less the noload power

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how to calculate ball mill

Calculation Of Cement Ball Mill Capacity. 8/3/2013 calculation of ball mill grinding efficiency. dear experts . please tell me how to calculate the grinding efficiency of a closed ckt open ckt ball mill. in literatures it is written that the grinding efficiency of ball mill is very less [less than 10%]. please expalin in a n excel sheet to

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ball mill grinding media calculation

Calculate Top Ball Size of Grinding Media FRED C. BOND Equation Method Previous Next Although it was developed nearly 50 years ago, Bond s method is still useful for calculating necessary mill sizes and power consumption for ball and rod mills.get price. Grinding Media Wear Rate Calculation in Ball Mill.

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A Method of C alculating Autogenous/ SemiAutogenous

mill effi ciency. Also, the plotted rod mill P80 value, as shown in Figure 1, is 2900 μm. If the rod mill fi nes are taken into account the rod mill product can be theoretically corrected to show a P80 of 1700 μm, the plotted 80 per cent passing size divided by 1.7. It should be

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Rod Mill Design Power Draw

The following equation is used to determine the power that a rod mill should draw. The Bottom Table lists many of the common size rod mills giving speed, loading and power data. The rod mill motor power is in horsepower at the mill pinionshaft. For different length rod mills power varies directly as rod length. For difference between new and worn liners increase power draw by 6%, and adjust

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Mill sizing method

Please find below two calculators for sizing mills using the Bond and Rowland methods: Ball mill sizing: Calculator for ball mill(s) in a single stage circuit. Rod ball mill sizing: Calculator for rod mill(s) as first stage of the circuit and ball mill(s) as second stage of the circuit.

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method of calculation of hammer mill power 500

Grinding Mill Power Calculation kuchyne Ball 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

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