mill work index 11.4 kWh/t and an average RQD of 44%. RQD values of 25% resulted in a SAG mill feed size (F80) between 55 and 60 mm and throughputs of 6200 t/h. RQD values of 55% resulted in SAG mill feed size (F80) of over 70 mm and a SAG mill throughput of 5200 t/h. The Batu Hijau SAG mill specific energy was a function of point load test and ...

A ball mill is a type of grinder used to grind, blend and sometimes for mixing of 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 …

Nov 27, 2012· schematic diagram of ball mill pdf – Grinding Mill China. SAG MILL diagram – OneMine Mining and Minerals … bridgeport mill wiring diagram free pdf files copies of … hd overland conveyor electrical schematic diagram »More detailed

SAG is an acronym for semi-autogenous grinding. SAG mills are autogenous mills that also use grinding balls like a ball mill. A SAG mill is usually a primary or first stage grinder. SAG mills use a ball charge of 8 to 21%. The largest SAG mill is 42' (12.8m) in diameter, powered by a 28 MW (38,000 HP) motor.

Advanced Controller for Grinding Mills: Results from a Ball Mill Circuit in a Copper Concentrator Anoop Mathur, Sujit Gaikwad, ... is described for a SAG mill circuit in a bauxite processing refinery at Wagerup, Australia (Refs: ... Block diagram of Total PlantTM …

Every mining operation has a unique grinding process. has experience of over 8,000 grinding mills globally, including manufacturing and delivering the largest SAG/AG mills in the world. Our experts welcome the opportunity to assist you with circuit and circuit control design as well as start-up, operation, and optimization of your mill.

AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill. Because of the range of mill sizes available, AG/SAG milling can often be accomplished with fewer lines than in a conventional rod mill/ball mill circuit. A diagram of types of AG/SAG ...

Grinding & Classification Circuits. ... Informed SAG mill designers understand geometries importance in lifter/liner designs and mill comminution efficiency, power draw, and wear life performance, noting a trend to larger lifters at greater pitch, which can impose higher forces on lifter systems and result in …

SAG Mill Circuit Example – Gold Processing SAG mill circuit example for gold processing [image: (135-6-3)] AG/SAG Mill. AG/SAG mills are normally used to grind run-off-mine ore or primary crusher product. Wet grinding in an AG/SAG mill is accomplished in a slurry of 50 to 80 percent solids. 2D and 3D simulations of particles in a SAG Mill

Schematic diagram of AG/SAG mill process mechanisms after (Napier-Munn et al., 1996). ... Multi-Component AG/SAG mill model structure. According to the preliminary modelling findings, the breakage rates for each component vary according to their proportion in the mill fresh feed. The reason behind this variation is that different feed blends ...

BrainWave Control solutions for SAG mills. 02 The solution: Measure. Control. And profit. BrainWave SAG mill is a unique control package using patented model-based predictive adaptive control technology. It is well known within the mining industry ... SAG mill control schematic

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Optimization and Control of a Primary SAG Mill Using Real-time Grind Measurement C.W Steyn*, K Keet**, W Breytenbach*** ... region as determined by the grind curves of the mill and defined by the parameter constraints of the controller. At ... The process flow and base-layer control diagram of WvalC primary milling circuit 2.2. Optimization ...

The operating principle of the ball mill consists of following steps. In a continuously operating ball mill, feed material fed through the central hole one of the caps into the drum and moves therealong, being exposed by grinding media. The material grinding occurs during impact falling grinding balls and abrasion the particles between the balls.

b) Power-Load Density Plot 9799 Figure 1: SAG mill circuit diagram (Coetzee, 2009) Mill input material consists of ore, recycled grind product and water. The mill content forms slurry that exits as mill product into the sump, which acts as a buffer.

Oct 12, 2017· SAG mill make use of steel balls included with some large and hard rocks for grinding. These mills utilize the balls in making the large fragments of materials broken into pieces. The ball charge of a SAG mill is about 9% to 20%.This process takes place inside the large rotating drum of SAG mill which is filled with balls partially.

GOLD FIELDS GRANNY SMITH GRINDING CIRCUIT: A METALLURGIST'S JOURNEY OF PROGRESSION *Adrian Dance1 and Andrew Radford2. 1SRK Consulting (Canada) Inc. 2200 – 1066 West Hastings St. Vancouver BC Canada V6E 3X2 Canada ... SAG mill feed size distributions from samples collected in late 2011

Parts Of A Ball Mill » thank you for visiting our site, this is images about parts of a ball mill posted by Brenda Botha in Parts category on Aug 30, 2019. You can also find other images like images wiring diagram, images parts diagram, images replacement parts, images electrical diagram, images repair manuals, images engine diagram, images engine scheme diagram, images wiring harness diagram ...

Jan 13, 2014· Parts of SAG Mill to be lubricated: Trunion Bearing (feed end) Motor Bearings Gearbox Pinion Bearings Fig.1 : SAG mill Diagram Trunion Bearing (dis. end) 7. Lubricant Data: Masbate Gold Project's SAG mill uses Compounded Gear Oil as their main lubricant. But a different class of Gear oil is use in every operating system of the SAG mill.

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Ball Mill Design. A survey of Australian processing plants revealed a maximum ball mill diameter of 5.24 meters and length of 8.84 meters (Morrell, 1996). Autogenous mills range up to 12 meters in diameter. The length-to-diameter ratios in the previous table are for normal applications. For primary grinding, the ratio could vary between 1:1and ...

Following a successful commissioning and start-up, we believe that two grinding lines at Las Bambas, Perú, each consisting of one SAG Mill and one Ball Mill (this mill combination is uniquely specific to Las Bambas ore types), are operating at design throughput of close to 140,000 tpd and within the range predicted by DJB from a managed multi-sample geometallurgical testing program (i.e., no ...

Ball Africa Mining ball mill schematic diagram SAG mills are utilized to Ball mill Wikipedia The ball mill is a key piece as closed circuit grinding and is called a planetary ball mill. Live Chat. Ball Mill Diagram Sag Mill Diagram Onemin Products.

autogenous (SAG) Mill via an utilized method. Miduk SAG Mill circuit is shown in Figure 1. Figure 1: Diagram of Miduk Copper Complex SAG Mill Methods The following methods were utilized in this research work for ball filling calculation. To fulfill this aim, three approaches were investigated. - Surface load photograph,

Nov 18, 2012· SAG MILL diagram – OneMine Mining and Minerals Library …. Internal parts, inlet and outlet, grading The SAG mill's replaceable liners are … 2mm +20mm -2mm -150mm +150mm F IG 1 – SAG mill block flow diagram.OREPASS … »More detailed

Jan 08, 2016· In this training module, we'll cover the workings of a semi-autogenous grinding mill, or SAG mill, that's designed to be the first stage of a grinding circuit. Ore that's crushed in a primary ...

Fig 2shows a schematic diagram of the rocking mill Electric Co, Ltd used in this study The rocking mill has the axis of tumbling rotation of a typical tumbling mill and an axis of rocking rotation perpendicular to this It is a grinding device that is capa Fig 2 Schematic diagram of the rocking ball mill…

A generic flow diagram of the MMZ milling circuit is indicated in Figure 2 below: Figure 2 - Nkomati 375ktpm MMZ Comminution Circuit A single 34ft x 17.3ft, grate discharge FAG mill with 2 x 5.2MW installed power is ... (SAG analyser). The mill is equipped with 70mm pebble ports and discharges onto a 30mm trommel screen. The +30mm trommel ...

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