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## ball mill work index calculation xls ### Ball Mill Design/Power Calculation

19-06-2015  Ball Mill Motor/Power Sizing Calculation; Ball Mill Design/Sizing Calculator; The power required to grind a material from a given feed size to a given product size can be estimated by using the following equation: where: W = power consumption expressed in kWh/short to (HPhr/short ton = 1.34 kWh/short ton) Wi = work index, which is a factor relative to the kwh/short ton required to reduce a

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Ball Mill Design Calculation Xls And Pdf File. 2015-11-30calculator information purchase price residual value interest rate fuel cost litre fuel consumption lhr cost of tyres tracks life of tyres tracks. Get Price List. Equipment Lifecycle Cost Calculator.

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P = Net Mill Power Demand, kW. Bond's Work Index may be estimated directly from operational data (whenever available) from back-calculation of the first equation above. In such case is denoted as the Operational Work Index : Wio = E / 10 (1/P801/2 – 1/F801/2) Data Input :

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Basic Structure Of A Ball Mill Calculation Pdf. 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,

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JKSimMet Steady State Processing Plant Simulator_ 20101119 ... . DOC PPT TXT PDF XLS. ... Units: It is call unit to any equipment of processing like a ball mill or hydrocyclone. ... fraccion de llenado, lenght, critical speed, work index, ball top size), ... works Works calculating the difference between experimental and predicted data.

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Ball mill designpower calculation018-12-2 ball mill power calculation example 1 wet grinding ball mill in closed circuit is to be fed 100 tph of a material with a work index of 15 and a size distribution of 80 passing inch 6350 micronshe required product size distribution

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Ball mill operatng work index calculation. Ball mill work index calculationvakhusicoza know more pdf 459 kjournal of mining and environment jme calculate the ore work index valu equation 5 is similar to bond work index equation but it has been defined for the foregoing calibrated bond ball.

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15-05-2015  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 be higher than the Ball Filling Level. Grate Discharge mills will not face this issue. C) This value represents the Volumetric Fractional Filling of the Voids in between the balls by the retained slurry in the mill charge. As defined, this value should never exceed 100%, but in some cases – particularly in Grate Discharge Mills

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bond ball mill calculations spreadsheet A Bond Ball Mill Index Test BBMWI is a standard test for determining the Ball 8 Sep 2014 Bond Mill Throughput Free download as Excel Spreadsheet xls We perform power calculations for maximum power draw for Ball Mill liners Live Chat read more. Buy Now.

Get PriceEmail contact ### (PDF) A quick method for bond work index approximate

difference of the Bond work index for first four samples r anges from 4.48% to 3.34%. The mean difference for the first four samples ra nges from 3.53% to 2.07%. The most realistic picture of the ...

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P = Net Mill Power Demand, kW. Bond's Work Index may be estimated directly from operational data (whenever available) from back-calculation of the first equation above. In such case is denoted as the Operational Work Index : Wio = E / 10 (1/P801/2 – 1/F801/2) Data Input :

Get PriceEmail contact ### Pontificia Universidad Católica de Chile

P = Net Mill Power Demand, kW. Bond's Work Index may be estimated directly from operational data (whenever available) from back-calculation of the first equation above. In such case is denoted as the Operational Work Index : Wio = E / 10 (1/P801/2 – 1/F801/2) Data Input :

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> Mining Equipment > ball mill work index calculation; Print. ball mill work index calculation. Posted at:December 17, 2012[ 4.6 - 2033 Ratings] Ammtec. The index can be used to calculate metal wear rates in crushers and ball Bond ball mill work index and Bond abrasion index

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12-12-2016  Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch (6350...

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Ball mill design architects 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 cap Live Chat Ball mill designimg for small scale miners.

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ball mill work index was averaging only 11.6 kWh/t, which is not hard. A rod mill work index ﬁ gure was not found but was thought to be in the 16 kWh/t to 18 kWh/t range. The Xstrata Zinc 22 ft ID × 40 ft EGL over ow ball mill ﬂ was installed at Mt Isa in 2009. This mill was put into single

Get PriceEmail contact ### USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT PERFORMANCE

work index covering grinding of fine particles is labelled M. ib (Morrell, 2008). M. ia. values are provided as a standard output from a SMC Test ® (Morrell, 2004. a) whilst M. ib. values can be determined using the data generated by a conventional Bond ball mill work index test (M. ib. is NOT the Bond ball work index). M. ic. and M. ih ...

Get PriceEmail contact ### (PDF) A quick method for bond work index approximate

difference of the Bond work index for first four samples r anges from 4.48% to 3.34%. The mean difference for the first four samples ra nges from 3.53% to 2.07%. The most realistic picture of the ...

Get PriceEmail contact ### Calculation of energy required for grinding in a ball mill ...

01-01-1989  The value of the Bond work index is calculated according to eq. 2: 44.5 Wi = 1.1 - 14.27 kWh/t 1540.23 1 51082f 10 10 With this value of Wi according to eq. 1, the energy consumption is determined. CONCLUSION The Bond work index Wi, as an indicator of grindability, is not a material constant but changes with the change in the size of the grinding ...

Get PriceEmail contact ### Bond Work Index - an overview ScienceDirect Topics

The ball mill work index laboratory test is conducted by grinding an ore sample prepared to 100% passing 3.36 mm (6 mesh) to product size in the range of 45-150 µm (325-100 mesh), thus determining the ball mill work index (Wi B or BWi). The work index calculations across a narrow size range are conducted using the appropriate laboratory work index determination for the material size of interest, or by

Get PriceEmail contact ### Pontificia Universidad Católica de Chile

P = Net Mill Power Demand, kW. Bond's Work Index may be estimated directly from operational data (whenever available) from back-calculation of the first equation above. In such case is denoted as the Operational Work Index : Wio = E / 10 (1/P801/2 – 1/F801/2) Data Input :

Get PriceEmail contact ### A New Approach to the Calculation of Work Index and the ...

Ball Mill Batch Process The mill dimensions, (D × L), are 0.204 × 0.158 m and it is loaded with 6.5 kg steel balls between 25 and 32 mm in diameter. ... A New Approach to the Calculation of Work Index and the Potential Energy of a Particulate Material ...

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12-12-2016  Ball Mill Power Calculation Example A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80% passing ¼ inch (6350...

Get PriceEmail contact ### ball mill work index calculation - BINQ Mining

> Mining Equipment > ball mill work index calculation; Print. ball mill work index calculation. Posted at:December 17, 2012[ 4.6 - 2033 Ratings] Ammtec. The index can be used to calculate metal wear rates in crushers and ball Bond ball mill work index and Bond abrasion index

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Ball mill design architects 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 cap Live Chat Ball mill designimg for small scale miners.

Get PriceEmail contact ### USING THE SMC TEST® TO PREDICT COMMINUTION CIRCUIT PERFORMANCE

work index covering grinding of fine particles is labelled M. ib (Morrell, 2008). M. ia. values are provided as a standard output from a SMC Test ® (Morrell, 2004. a) whilst M. ib. values can be determined using the data generated by a conventional Bond ball mill work index test (M. ib. is NOT the Bond ball work index). M. ic. and M. ih ...

Get PriceEmail contact ### A Method of C alculating Autogenous/ Semi-Autogenous ...

ball mill work index was averaging only 11.6 kWh/t, which is not hard. A rod mill work index ﬁ gure was not found but was thought to be in the 16 kWh/t to 18 kWh/t range. The Xstrata Zinc 22 ft ID × 40 ft EGL over ow ball mill ﬂ was installed at Mt Isa in 2009. This mill was put into single

Get PriceEmail contact ### Bond Work Index - an overview ScienceDirect Topics

The ball mill work index laboratory test is conducted by grinding an ore sample prepared to 100% passing 3.36 mm (6 mesh) to product size in the range of 45-150 µm (325-100 mesh), thus determining the ball mill work index (Wi B or BWi). The work index calculations across a narrow size range are conducted using the appropriate laboratory work index determination for the material size of interest, or by

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Basic EquationsSize Distribution and Exposure RatioEquations For Work Index VariationsWork Index and Crack Energyball mill work index calculation xls marthinusencoza Mar 17, 2017 Use this online formula to calculate a Ball Mill, Rod Mill or SAG Mill Operating Work Index Based on Fred Bond's work you can estimate the energy used into your

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Index Inlet Pressure PSIA Input Values FT/S With Without INPUT VALUES Liquid Valve Internal Spring Manual Input gas v=3.057*Q/d^2 v=ft/s Q=cfm d=in SCFH ... For Mach Calculation Check Valve or line size M3/hr M3/sec 1- Insure a minimum of 5 straight diameters upstream and 3 downstream the valve Liquid Unit Input Gas Units Inputs From Bar A LPM LPS

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