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Pcopper ore milling using sag and ball mills

Copper Ore Crushing Grinding Flotation

The ore can be tested by proven techniques and crushers and mills selected with assurance that they will meet performance requirements Operation of crushing plants rod mills and ball mills is understood by many and most operators are comfortable with the use of this type of equipment which has been around for over 70 years

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The Mill Drives Of Copper Mountain The SAG and ball mills at Copper Mountain are the low speed version i e the motors are connected directly to the pinion without a gearbox in between the picture on the right hand side of Figure 5 Figure 7 shows one of the synchronous motors installed on Ball Mill 1

Modelling SAG milling power and specific energy

The ball charge is a function of the bulk fraction of the SAG mill volume Jb occupied by balls the ore retained in the mill is the result of the volumetric filling which depends on the ore size distribution specially the 6″ and the −6″ 1″ on the rotational speed N Nc and on the solid concentration by weight fraction inside

SAG Mill Grinding Circuit Design

Optimised ore processing plant layout using a combination of SAG and ball milling The 3 600 kilowatt mills consist of a 22 foot diameter by 26 foot long ball mill and a 16 5 foot diameter by copper ore milling using sag and ball mills copper mining process copper crushing copper milling copper ore Copper crushing and copper milling process

Copper Ore Milling Using Sag And Ball Mills

Ball Milling Of Copper Ore In Zambia Ball mills are used for wet grinding iron ore goldcopper ore nickel ore and other sag and ball mill for the wet grinding of goldcopper ore in south australia A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing processes paints pyrotechnics ceramics and


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

SAG mill Archives

The use of a SAG and ball milling circuit followed by differential flotation removes the need for multiple stages of crushing – which was included in the previous study The new plan envisages a high steel charged SAG mill operating in an open circuit with a secondary ball mill operated in a closed circuit with a classification cyclone cluster

copper ore milling using sag and ball mills

how sag mill used in copper ore mining process SAG mill circuit optimisation at Ernest Henry Mining Ernest Henry Mine ore reserve is 123 million tonnes averaging 1 1 wt Cu and correlation between copper and gold in the primary ore zone however this gold is use a Semi Autogenous Grinding SAG mill ball charge of 8 v v followed

Ring gear drives huge grinding mill Machine Design

The largest ringmotor driven mill in the world is a 36 ft diam 16 000 hp SAG mill that processes up to 2 000 tons of ore per hour Located at Kennecott Utah Copper near Salt Lake this mill

How Sag Mill Used In Copper Ore Mining Process

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 Copper Mining and Processing Processing of Copper processing is a complicated process that begins with mining of the ore less than 1 copper and ends with sheets of 99 99 pure copper


SAG mill and ball mill circuits have spare capacity During these periods the throughput can vary from 3 100 tph to 7 200 tph depending on the ore copper head grade Table 1 – Summary of Plant Limitation and Ore Characteristic

SAG and Ball Mills

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Autogenous Mills How Do They Work

Photo of Autogenous Mill at a copper mine Autogenous Mills operate mechanically similar to the ball mill They differ in the media they use to break or grind the ore Autogenous Mills use large particles of ore instead of steel or other balls for grinding media Autogenous mills use large pieces of ore

ASARCO Milling

The ore is ground into a fine powder by large rotating mills The two types used in the Mission South Mill are called SAG semi autogenous grinding mills and ball mills SAG mills use larger pieces of ore to break up the smaller pieces autogenous does it by itself The larger pieces break down as well

Flexible milling and grinding solutions that last

For the mining industry our semi autogenous SAG grinding mill uses a minimal ball charge in the range of 6 15 percent It is primarily used in the gold copper and platinum industries as well as in the lead zinc silver and nickel industries Autogenous AG grinding mills involve no grinding media as the ore itself acts as the grinding media

sag mill ball design copper lead zinc ore

Mill grinding Wikipedia A mill is a device that breaks solid materials into smaller pieces by grinding crushing or cutting SAG mills are essentially autogenous mills but utilize grinding balls to aid in grinding like in a ball mill SAG mills are primarily used at gold copper and platinum mines with applications also in the lead

Advanced Controller for Grinding Mills Results from a

ore per day in six overflow ball mills The concentrate is transported to a smelter a few miles away The crushed ore from primary and secondary ores is conveyed into bins The ore from the bins is fed into the ball mill using a conveyor belt The ball mill grinding circuit is illustrated in Figure 2 Solids 78 9 Circulating Load 474 Advance

Difference Between Sag Mill vs Ball Mill

 · 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

Copper Mountain Mine Tour

 · A closer look at one of the large ball SAG Mills spinning and crushing ore at Copper Mountain Mine near Princeton BC Filmed August 18 2011 during a public tour of the facility Filmed by George

Mill grinding

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 A SAG mill with a 44 13 4m diameter and a power of 35 MW 47 000 HP has been designed Attrition between grinding balls and ore particles causes grinding of finer particles

copper ore milling using sag and ball mills

copper mining process copper crushing copper milling copper ore Copper crushing and copper milling process Large scale gyratory crusher jaw crusher cone crusher belt conveyor SAG mill ball mill is used for copper ore


THE MODELLING OF SCRUBBERS AND AG MILLS WHEN TO USE THEM AG mills can treat both harder or softer ore and scrubbers are for only softer ores SAG and ball mill circuits are used to

What s the Difference Between SAG Mill and Ball Mill

From the volume the ball mill divide into industrial ball mill and laboratory use the small ball mill sample grinding test In addition these mills also play an important role in cold welding alloy production and thermal power plant power production SAG mill vs Ball mill Crushing ratio

Ball Mill

The ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 1–1 5 times the shell diameter Figure 8 11 The feed can be dry with less than 3 moisture to minimize ball coating or slurry containing 20–40 water by weight

Sag Mill Supplier For Copper Ore Grinding In India

copper ore milling using sag and ball mills ball and sag mills Apache2 Ubuntu Default Page It works XBMs Ball mills that incloud roller mill ball end mill ball mill ball milling grinding mill sag ore is ground before the copper More Details india sag mill manufacturers

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