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Mar 15, 2021· Details of the complete SAG Mill package. The SAG Mill has a mill diameter of 24 feet and an Effective Grinding Length ("EGL) of 18.5 feet and a structural charge mass of 315 metric tonnes. The structural design ball charge is 11% with a structural design load volume of 35%. Specific gravity of the material is 2.55.

More DetailsA ball mill is a type of grinder used to grind or blend materials for use in mineral dressing processes, paints, pyrotechnics, ceramics, and selective laser sintering.It works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell. A ball mill consists of a hollow cylindrical shell rotating about its axis. T

More DetailsMill was ordered but the project was cancelled prior to installation. It is stored at manufacturer warehouses or storage sites. Manufacture and Design Grate discharge Diameter 38′ Length 25'5″ flange-to-flange EGL 22′ Components / Inclusions Feed chutes Discharge grates Steel pulp lifters SAG mill trommel Mill braking system Hydraulic ...

More DetailsThe 4.27 Ø m x 12.94 m EGL secondary ball mill is fitted with a 4125 kW motor and operates in overflow configuration. Ball mill discharge slurry gravitates to the feed of the SAG mill discharge screen situated above the mill discharge hopper. In 2002, the grinding circuit became SAG mill limited by the competency of the mill feed. In

More DetailsSag Mill Egl Definition . Sag Mill Egl Definition. A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls mounted on a metallic frame such that it can be rotated along its longitudinal axis the balls which could be of different diam.

More DetailsWhat does SAG mean in Mill? 3 meanings of SAG abbreviation related to Mill: Any category. Medical. Technology. Business. Group. Government. Military.

More DetailsSAG/ball mill circuit incorporating pebble crushers and a POLYCOM® high-pressure grinding roll. SAG and ball mill for gold ore grinding. One of three SAG mills with 9.75 m diameter and 2 x 4000 kW drive power. These mills operate in conjunction with ball mills for iron ore grinding in Iran.

More Detailsmill, and there is nothing to prevent a 1:1 aspect ratio mill of, say 10 m dia. x 10 m EGL equipped with a 20 MW motor from being fabricated. Such a mill would have a less arduous environment than, say, a 13.4 m (44-ft) diameter mill. Slurry transport issues then dominate the mill selection, rather than mechanical/structural constraints.

More DetailsOct 15, 2020· The order comprises a 22-foot diameter by 8-foot effective grinding length (egl) SAG mill and 14.5-foot diameter by 19.5-foot effective grinding length ball mill. Both mills will be driven by 2000 ...

More DetailsThe 5.5m diameter x 8.2m EGL ANI SAG mill is low aspect with a 3,850 kilowatt motor. The SAG mill normally operates in open circuit, but has the capability to be operated in closed circuit SAG only configuration. The 4.3m diameter x 6.7m EGL ball mill fitted with a 2,20 0kw motor operates in closed circuit with hydrocyclones.

More DetailsJan 01, 2009· Evolution of liners for a 360 x 150 (EGL) SAG mill at Candelaria. In: International Autogenous and Semiautogenous Grinding Technology, vol. 3. Vancouver, October 6-9, pp. 857-880. [6] Sherman, M., Rajamani, R., 1999. The effect of lifter design on Alumbrera's SAG mill performance: design expectations and optimization.

More Detailsspecific energy requirements of SAB (SAG and ball mill) and SABC (SAG and ball mill with-pebble crushing) circuits for mill design purposes. Ultimately, an example is presented to demonstrate the application of this method can be used to evaluate and minimize design risks.

More DetailsMay 16, 2009· The discharge of the SAG mill goes to a vibrating screen with the openings of 5 mm. The oversize material is recycled to the SAG mill and the undersize is combined with the ball mill (6.71 × 9.91 m) discharge and is sent to the cyclones. The SAG mill uses two 5500 hp synchronous motors and works with constant 10.5 rpm rotational speed in two ...

More DetailsGearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing Outotec to produce the world's largest SAG mill of 42' in diameter drawing power at 28 MW. Today, Outotec is the world leading supplier of gearless SAG mills operating globally.

More DetailsThis is because by definition overflow mills operate all of the time with a slurry pool. Some idea of how much slurry pooling in an extreme case can cause the power draw of an AG/SAG mill to drop can be gauged by switching the discharge mechanism choice in the model from grate to overflow when predicting the power draw of an AG/SAG mill.

More DetailsOct 12, 2017· 1. SAG mill is the primary tool for grinding. SAG mill is used before the other mills. Ball mill is a secondary, and it is used after the SAG mill. 2. SAG mill breaks the raw material into pieces for the further grinding. Ball mill is used to grind the pieces of raw material into. powder-like structures. 3.

More DetailsSAG mill liner development draws primarily on practical experience from SAG milling operations supported by computer-based modeling of charge motion in SAG mills and on established good design practice. Liner design needs to respond to the process aspects of mill liner action that are critical to good SAG mill performance, i.e.,

More Detailscoarser sizes. This means a closed circuit single stage AG/ SAG mill can operate at a reasonable ef ciency if the ﬁ nal ﬁ product is in the 75 μm range. Burgess (1991) stated that the AG/SAG inefﬁ ciency factors to be applied to Macpherson test results were 1.10/1.25 for …

More Detailsegl definition for sag mill . Mills and GMDsABB. flange on the mill shell this means the mill body becomes SAG mill has a much larger diameter compared to stage mill no ball mill after the . Buy Now. ball mill machine ball mill ball mills . Chat Online; Unused 32 X 18.75 (9.75m X 5.71m) Egl Sag Mill

More Detailsfor a 40 ft dia. x 22 ft EGL SAG Mill. 4 Secondary Mills The standard method for sizing secondary ball mills (usually the overflow type) in AG/SAG circuits follows published mill supplier information with aspect ratios in the range 1:1.5 to 1:2.0, depending upon product sizing and pulp

More DetailsMar 15, 2021· The SAG Mill has a mill diameter of 24 feet and an Effective Grinding Length ("EGL) of 18.5 feet and a structural charge mass of 315 metric tonnes. …

More DetailsABSTRACT Copper Mountain's concentrator was commissioned in May 2011. The circuit consists of a 34' x 20' EGL SAG mill, a Raptor 900 pebble crusher and two 24' x 39'6" ball mills. Each mill is equipped with a 2 x 8500 HP dual pinion drive system. The plant was designed to process 1585 mtph of SAG...

More DetailsPrimary grinding is provided by a 6 m diameter by 3.6 m EGL SAG mill, with an installed pinion power of 2 MW. The SAG mill trommel undersize will report to the cyclone feed hopper, with the oversize recirculated back to the SAG mill feed conveyor by means of a high-angle pebble conveyor. There is a contingency for a future pebble crusher ...

More DetailsInventory ID: 6C-GC02. MPSI HARDINGE 21' x 11' (6.4m x 3.35m) EGL Sag Mill with 2875 HP, 240 RPM Motor

More DetailsNov 26, 2019· The biggest characteristic of the sag mill is that the crushing ratio is large. The particle size of the materials to be ground is 300 ~ 400mm, sometimes even larger, and the minimum particle size of the materials to be discharged can reach 0.1 mm. The calculation shows that the crushing ratio can reach 3000 ~ 4000, while the ball mill's ...

More DetailsJan 01, 2016· The SAG mill had a 6–8% ball charge and the power consumption was 8 kWh/t, which agreed well with the expected value. 9.6. Problems. 9.1. In an SAG mill the dimensions of the mill were 9.75 m × 3.5 m and the specific gravities of the mineral and …

More DetailsOct 15, 2020· The order comprises a 22-foot diameter by 8-foot effective grinding length (egl) SAG mill and 14.5-foot diameter by 19.5-foot effective grinding length ball mill.

More Details2016/01/01· The largest volume mill in the world was constructed for Tarkwa, Ghana, in 2004. The mill is 8.23 m diameter by 12.19 m effective grinding length (EGL) or inside liner length. The mill is operated in a single-stage grinding circuit. Most AG and SAG mills have slotted steel and rubber liners and are fitted with lifter bars. Get Price.

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