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how to calculate capacity of ball mill Calculate Ball Mill Grinding Capacity. Oct 15, 2015 · Calculate Ball Mill Grinding Capacity. The sizing of ball mills and ball milling circuits from laboratory grinding tests is largely a question of applying empirical equations or factors based on accumulated experience.
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The image above represents the specific power of mill. To compute for specific power of mill, three essential parameters are needed and these parameters are Work Index of Ground Material (w i), 80% Product Size (P 80) and 80% Feed Size (F 80).. The formula for calculating the specific power of mill:
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ball mills in producing the final product (particles finer than 74 µm) was 55.38% and 44.62% respectively. That is, the SAG mill produces about 10.76% more than the ball mill in the final product. The average consumed energy at SAG and ball mills to produce one ton of final product was 23.16 kWh/t and 36.05 kWh/t respectively.
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Equations of the design By knowing the capacity quot;Cquot; {ton} of the feed; we can get approximately the length quot;Lquot; {mm} and diameter quot;Dquot; {mm} of the batch ball mill, form **D = 124.2*(C) + 485.7 **L= 85.71*(C) + 1854 Volume of mill = ^2 The bulk volume of balls charge ratio to the volume of mill is known as {Filling ratio ...
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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 …
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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 …
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SAGDesign testing provides SAG pinion energy grindability in kWh/t to within +/- 5% from 152 to 1.7 mm, and Bond Ball Mill Work Index on SAG ground ore, from the SAG test on the same sample. Starkey & Associates uses the patented SAGDesign technology to calculate accurate mill sizes from measurements on a client's own ore samples.
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I want know if you have an idea about the best comminution circuit selection basing on Ore hardness and competency (SABC, AG, ROMBALL MILL) we have two type of ore compétent and hard (AxB=24, ball work index = 18) and moderate and soft (AxB=40, work index 9,5 ) the final size 100 microns the mine start with moderate and soft ore
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Calculation of production of cement mill 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 ...
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Usually evaluated for a fixed tonnage ... Global Distribution of Bond Ball Mill Work Index Soft Ore, BWI = 11.8 kWh/tonne Medium Ore, BWI = 14.4 kWh/tonne ... 40' x 26' inside shell x EGL SAG Mill, 26' x 40' Ball Mills Plant Capacity (TPD) Plant P80 (microns) Economics Including Mine Plan 140 160 180 200 220 240 260 280 300 0 20000
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The ball mills work in a reverse classification circuit, in which the hydrocyclone underflow feeds into the ball mills and the hydrocyclone overflow is sent to the flotation circuit. The current daily average throughput of Collahuasi's grinding circuit is 130,000 metric tonnes per day with an average product size ( P 80 ) of approximately 200 ...
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In all cases, understanding of the transfer size (T80) to the ball mill is critical to achieve best economics in a SAG mill grinding plant. T80 is important to operators because when SAG energy and Bond Ball Mill Work Index on SAG ground ore are measured, accurate prediction of future throughput in any SAG circuit is possible. Without the
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The ball mill work index laboratory test is conducted by grinding an ore sample prepared to 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 ...
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pulverized. However, this index can not be used to size a pulverizer and mill power directly. Only the specific energy, mill power over capacity, is a main parameter for mill sizing. Specifically, the Bond work index is suitable for utilization in many industrial grinding processes (Rhodes, 1998). *Corresponding author.
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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 f and maximum chunk size, product size as p and maximum and finally ...
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ball mill 100 tons daily per day - proves-projekt.de. ball mill 100 tons daily per day. 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 f …
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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 ...
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Lower tonnage on hard ore. SAG MILL BALL MILLS MILL DESIGN DATA. These projects involved SAG mills from 26 to 36 ft in diameter, with installed power in the range 9.7 to 16.8 MW using single, twin pinion, and gearless technology for drives over 16 MW. The ball mills used varied from 13.5 to 25 ft in diameter, with installed power in the range 1.85
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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.
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T Circuit tonnage (metric t/h) W Specific energy (work) input (kWh/t) Wi Bond Work Index (kWh/t) WiBM Bond Ball Mill Test Work Index (kWh/t) Wic Bond Impact Crushing Test Work Index (kWh/t) WioACT Actual Operating Bond Work Index determined from measurements on the circuit (kWh/t)
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ball mill size of 500 ton per day. Small Pilot Plant Grinding Mill Know More The 911MPEPPGR426 is a small 300 kilo to 3 5 ton per 24 hour day capacity grinding mill acting primarily as a rod mill but can effortlessly be converted to a ball mill Thanks to the integrated spiral classifier it forms an easy to operate closed-circuit grinding plant It includes a fine ore …
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Apr 08 2018 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 ...
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pyrotech make ball mill calculation pdf level transmitter 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 …
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Where Wi is the work index, W is the work input (motor output) and F and P are the 80% passing sizes of the feed and product respectively, in micrometers. This relationship between feed and product energies and the calculation by difference of the required grinding energy is the basis for the two Bond Rod and Ball Mill Work Index Tests. Both were
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capacity ball mills were installed from the late 1970s (5.5 m diameter and larger) it was found that throughput predictions for large mills with high feed rates of coarser particles were greater than those achieved. Correction factors based on the new data were required. SAG mill-ball mill circuits using large diameter mills
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Ball Mill Wet Ball Mill Ball Density. Ball mill designpower calculation 202054 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
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