### 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 size’, product size as P80 and maximum and finally the type of circuit open/closed

More### Ball Mill Design/Power Calculation LinkedIn

12/12/2016· 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...

More### power formula for cement ball mill pochiraju.co

The Ball Mill Driving Device Fault and the Main Bearing IAES. Mar 4, 2013 main part of power consumption for ball mill is used to elevating simple with high repeatability and it is widely used in cement, elecric power, metallurgy . the formula (2),the mechanical efficiency only

More### CALCULATION OF THE POWER DRAW OF DRY

Key words: power draw, cement, dry grinding, ball mill INTRODUCTION Energy is the most important cost item in a cement plant. About 60% of the electricity consumption for cement production is used for grinding the raw material and cement clinker (Zhang et. al., 1988). Annual cement production is approximately 1.6 billion tons and the grinding process consumes nearly 2% of the electricity

More### Calculations Regarding To Cement Ball Mill

Calculations For Efficiency Of Cement Ball Mill. Ball Mill Calculation In Cement . Ball Mill DesignPower 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

More### cement mill process formula

Jan 07, 2015 Raw mills usually operate at 72-74% critical speed and cement mills at 74-76%. 3.2 Calculation of the Critical Mill Speed: G: weight of a grinding ball in kg. w: Angular velocity of the mill tube in radial/second. w = 2*3.14*(n/60) Di: inside mill diameter in meter (effective mill diameter). n: Revolution per minute in rpm.

More### Calculations And Formulas At A Gold Mill

Hammer Mill Basic Calculations. Basic Calculation Formulas For Cement Ball Mill. Speed cement formulas are ground at the condition 70 of critical speed of cement ball mill in the formula basic design calculation cema cement process calculations xls grinding mill china cement process calculations xls bal. morethere will; Gold Mill Capcaity Calculations.

More### BALL MILL POWER Page 1 of 2 International Cement

12/11/2013· ROLLER PRESS BEFORE THE BALL MILL. THE SUPPLIER HAS GIVEN 28% GRINDING MEDIA FILLING, WITH SHAFT POWER 2270 KW ONLY. BALL MILL SIZE IS 4.4*11 M. GRINDING MEDIA SIZE IS MAX 30MM. IT IS A MONOCHAMBER MILL DESIGNED TO GRIND THE ROLLER PRESS PRODUCT.

More### Cement Formulae Green Business Centre

6. Bogue’s formula for cement csonstituents a. If Alumina modulus > 0.64 C 3 S = 4.071 CaO (7.602 SiO 2 + 6.718 Al 2 O 3 + 1.43 Fe 2 O 3 + 2.852 SO 3) C 2 S = 2.867 SiO 2 0.7544 C 3 S C 3 A = 2.65 Al 2 O 3 1.692 Fe 2 O 3 C 4 AF = 3.043 Fe 2 O 3 b. If Alumina modulus < 0.64 C 3 S = 4.071 CaO (7.602 SiO 2 + 4.479 Al 2 O 3 + 2.859 Fe 2 O 3 + 2.852 SO 3) C 2 S = 2.867 SiO 2 0.7544 C 3 S C

More### Calculate and Select Ball Mill Ball Size for Optimum Grinding

In Grinding, selecting (calculate) the correct or optimum ball size that allows for the best and optimum/ideal or target grind size to be achieved by your ball mill is an important thing for a Mineral Processing Engineer AKA Metallurgist to do. Often, the ball used in ball mills is oversize “just in case”. Well, this safety factor can cost you much in recovery and/or mill liner wear and

More### Ball Mill Power thecementgrindingoffice

Ball Mill Power. Welcome to the page of the ball mill power calculators. 11 calculators are available: Bond power formula for monochamber mill, 2 chambers mill and 3 chambers mill: Hogg and Fuerstenau power formula for monochamber mill, 2 chambers mill and 3 ch. mill:

More### CALCULATION OF THE POWER DRAW OF DRY

Equation 1 is multiplied by the factor of 1.08. A multi-compartment ball mill consists of two or more grate discharge ball mills in series. The same equation is used to calculate the power that each ball mill compartment should draw. The total power is the sum of the

More### cement mill process formula

Jan 07, 2015 Raw mills usually operate at 72-74% critical speed and cement mills at 74-76%. 3.2 Calculation of the Critical Mill Speed: G: weight of a grinding ball in kg. w: Angular velocity of the mill tube in radial/second. w = 2*3.14*(n/60) Di: inside mill diameter in meter (effective mill diameter). n: Revolution per minute in rpm.

More### Calculations Regarding To Cement Ball Mill

Calculations For Efficiency Of Cement Ball Mill. Ball Mill Calculation In Cement . Ball Mill DesignPower 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

More### Power calculation of cement ball mill

Power calculation of cement ball mill. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment. And they are mainly used to crush coarse minerals like gold and copper ore, metals like steel and iron, glass, coal, asphalt, gravel

More### Calculations And Formulas At A Gold Mill

Hammer Mill Basic Calculations. Basic Calculation Formulas For Cement Ball Mill. Speed cement formulas are ground at the condition 70 of critical speed of cement ball mill in the formula basic design calculation cema cement process calculations xls grinding mill china cement process calculations xls bal. morethere will; Gold Mill Capcaity Calculations.

More### BALL MILL POWER Page 1 of 2 International Cement

12/11/2013· ball mill power . dear experts. we have a ball mill in combi mode for cement grinding . roller press before the ball mill. the supplier has given 28% grinding media filling,with shaft power 2270 kw only. ball mill size is 4.4*11 m. grinding media size is max 30mm . it is a monochamber mill designed to grind the roller press product. if we calculate the shaft power with 28% filling it comes

More### Energy-Efficient Technologies in Cement Grinding

23/10/2015· Same or better strengths than cement from ball mill. 2.5.1. Cement quality. As it was stated in the literature, grinding tests have shown that Cemex® produces cement which meets the requirements of standard specifications while enabling substantial savings in grinding energy consumption compared to the traditional ball mill systems. Due to the more energy-efficient grinding

More### PROCESS DIAGNOSTIC STUDIES FOR CEMENT MILL

A 1.5 mio t/a cement plant is having a closed circuit ball mill for cement grinding: The mill has been operating with satisfactory performance in-terms of system availability and output, however power consumption was on higher side. 3.1 System Description Mill Rated capacity 150 t/h OPC at 2800 blaine I chamber liners II chamber liners Stepped classifying Mill size 4.6 x 16.5 m L/D ratio Mill

More### Optimization of mill performance by using

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 mill absorbed power and ball filling degree

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