Modelling SAG milling power and specific energy ...

2017-12-14 · mill diameter, mill length, grates openings, and pebble ports size; the power equation is also function of all the operational variables selected for this study. The applied force is a function of the mass inside the mill and it is composed of balls, ore and water. The ball charge is a function of the bulk fraction of the SAG mill volume (Jb)

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The discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in the mill's performance [17] [18][19][20][21]. The initial ...

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2020-11-6 · Similar to the impeller design affecting pump capacity, the pulp lifter design affects the discharge capacity (or mill throughput) of AG and SAG grinding mills. Generally, the discharge from AG/SAG mills consists of one or both of the following components: slurry (water and finer particles) and pebbles (20-100 mm).

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Copper ore types cost & copper sag mill discharge. Home > Application > how sag mill used in copper ore mining Discharge from crusher feeds a 19 Feb 2014 Get the price of sag mill supplier copper ore south . Get Price Here!

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2017-5-13 · the SAG mill and ball mill was 8658 kW, which caused partial over-grinding. From experience in processing plants outside of China, the power rating of the ball mill should be higher than that of the SAG mill [5]. The pebble crusher had an over-powered configuration. The installed power draw of 630 kW

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2018-5-10 · The Copper Mountain SAG mill is 10363 mm [34 feet] in diameter and 6096 mm [20 feet] long. It is a grate discharge mill with an inside diameter of 10363 mm [34 feet] and a grinding length of 5334 mm [17.5 feet]. The mill is driven by two 8,500 horsepower ABB motors. Figure 2 - The 34’ x 20’ SAG mill

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Copper Sag Mill Discharge. Design . Get Price. to supply a crushing and grinding package for . The crusher will be delivered in January 2014 and the grinding mills during April 2014. The order is included in Mining and Construction's first quarter 2013 orders received. The order is included in Mining and

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Grate Discharge Sag Mill. 2018-10-22ball mill discharge screenow to calculate the ball mill discharge size distributionand the ball mill discharge combine, in grate discharge type ball mill, a grate is provided at the discharge end of shellthe sag mill discharge is screened on a rotating trommel screenall load, mill speed, trommel screen aperture, pebble.

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2020-10-29 · Metallurgical ContentBall Charge Motion inside a SAG MillSAG Mill OperationSemi Autogenous Design FactorsSAG Mill Operation ExampleProcess Plant DescriptionSAG Mill Design and Specification Operating Problems Since CommissioningDesign Changes and Future Operating Strategies AG and SAG mills are now the primary unit operation for the majority of large grinding circuits, and …

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receives combined ball mill a nd sub – screen deck size SAG mill discharge material via a 20/18 Warman centrifugal pump running with a 1700 kW variable speed motor and gearbox.

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2013-12-22 · The SAG mill has a trommel on the discharge end of it. Oversize is returned to the mill by a bucket wheel and water jet. Trommel undersize was pumped to a vibrating screen where the screen oversize was sent back to the mill and the undersize was pumped to the cyclone circuit. Figure 2 shows the flowsheet for line 2 with only the trommel,

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2018-5-29 · one SAG mill feeding two ball mills in a closed circuit with a hydrocyclone battery (Figure 1). The aim of the ball mill/ hydrocyclone circuit is to produce the optimum flotation feed particle size while maintaining grind throughput. The optimal operating point is a trade-off between throughput, recovery, and grinding cost.

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Major gold and copper operations have already started doing this in mills up to 40’ Ø and seen an improvement in the slurry discharge of up to seven percent. The composite liners are thinner than steel cast liners, and thinner liners result in a larger volume inside the mill.

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