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
Bond_Mill_Sizing.xls. 1, About the Bond_Mill Sizing Spreadsheet ... 2, Scope : The Bond_Mill Sizing spreadsheet was designed to determine the most appropriate mill dimensions and ... Undoubtedly, the extensive work of Fred C. Bond ("The Third Theory of ... of the operational response of conventional ball mills in various grinding circuits. Read
Selection functionThis is another parameter of tumbling ball mill model and in fact is a measure of the grinding kinetics taking place inside a mill. Selection function or specific rate of breakage depends on a number of factors such as particle size, mill diameter, mill speed and ball diameter
Fuersteneau Power Model (see Mill Power_Ball Mills spreadsheet for further ... data (whenever available) from back-calculation of the first equation above. ... 4, Conventional Ball Mill Sizing. 5. Read more
Jan 02, 2017 · The spreadsheet is simple. You just input the data in dark yellow highlight. Pump sizing is calculated based on rated flow rate. If you want to size based on normal flow rate, input 0 in percentage of rated flow rate. Pressure drop components is comprehensive, including pipe loss, fitting loss, and …
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
Maximum ball size. 118 5000. NB. tph. 4000. Old production rate, tph. OPR * ( 2 - log ( OR ) ) 72. OB. OPB. NPR. mm. 1.3. 5000. 36 * F. 0.5 * { ( SG * Wi ) / ( %C * Deff. Target 0.5)} 0.333. 15. Feed size (sieve size in mm which retains 20% material), mm. SG. SG. Specific weight of feed material, gm/cm3. Wi. 15. Wi. Bond's work index, kWh/t %C. 75 %C. Mill speed as %critical, % Deff. 5.1. Deff
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
Selection functionThis is another parameter of tumbling ball mill model and in fact is a measure of the grinding kinetics taking place inside a mill. Selection function or specific rate of breakage depends on a number of factors such as particle size, mill diameter, mill speed and ball diameter
miningball mill sizing calculations spreadsheet. 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 F80 and maximum chunk size product size as P80 and maximum …
Fuersteneau Power Model (see Mill Power_Ball Mills spreadsheet for further ... data (whenever available) from back-calculation of the first equation above. ... 4, Conventional Ball Mill Sizing. 5. Read more
Selection functionThis is another parameter of tumbling ball mill model and in fact is a measure of the grinding kinetics taking place inside a mill. Selection function or specific rate of breakage depends on a number of factors such as particle size, mill diameter, mill speed and ball diameter
Fuersteneau Power Model (see Mill Power_Ball Mills spreadsheet for further ... data (whenever available) from back-calculation of the first equation above. ... 4, Conventional Ball Mill Sizing. 5. Read more
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
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