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how sag mill used in copper ore mining process

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  • PACIFIC BOOKER MINERALS INC

    2010 5 7 mining company that has taken the lead in introducing the HPGR at the Cerro Verde copper mine in Peru The circuit at Cerro Verde incorporates four HPGR units 2.4 m diameter x 1.7 m wide 5 000 kW processing 2 500 tonnes per hour t/h instead of traditional SAG mill circuit.

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  • Outotec presents the world s largest SAG mill

    2012 7 8 The mill will be driven by a Gearless Motor Drive GMD which at 28.0 MW is equal to the largest grinding mill power ever used in the mining industry The SAG mill design is based on Outotec s proprietary grinding mill technology developed over decades for maximum reliability and performance.

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  • SAG Mill Trommel Screens

    The SAG mill trommel screen provides a simple mechanism to classify large volumes of mill product Many designers and mill operators believe that the benefits of simplicity and the ability to handle throughputs in excess of 5 000 tph of solids make trommels the preferred equipment for this application.

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  • Paper # 25

    2021 2 17 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 2The 34 x 20 SAG mill

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  • SAG Mills and spares

    SAG mills are characterized by their large diameter and short length as compared to ball mills The inside of the mill is lined with lifting plates to lift the material inside the mill where it then falls off the plates onto the rest of the ore charge SAG mills are primarily used at gold copper and platinum mines with applications also in

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  • AUTOMATION ADVANCED CONTROL EXPERT ACE

    PRODUCT SAG MILL ACE Antofagasta PLC s Minera Los Pelambres has one of the largest open pit mines in Chile and produces approxi mately 320 000 tonnes of copper concentrate annually When copper prices are high producers look to increase production by eliminating process bottlenecks At Minera Los Pelambres as at many mines SAG mill throughput

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  • Copper Mining and Extraction Sulfide Ores

    Mining copper About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon These mines have now closed and today the biggest copper mines are in Chile Escondida mine and Indonesia Grasberg mine These produce many millions of tonnes of copper ore per year.

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  • Copper Mining and Extraction Sulfide Ores

    Mining copper About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon These mines have now closed and today the biggest copper mines are in Chile Escondida mine and Indonesia Grasberg mine These produce many millions of tonnes of copper ore per year.

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  • Largest Sag Mill

    to Design Supply Large SAG Mill for Copper Gold has been selected to design and supply a 42 x 25 ft 28 MW gearless SAG mill The 42 ft diam SAG mill

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  • HARDNESS MODEL AND RECONCILIATION OF

    work index and the SAG power index These parameters and plant operational specifications have been used as input information to forecast the expected throughput and ball mill product size P80 for each block of ore Two forecasting techniques have been used an

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  • PDF Design of the 40 foot diameter SAG mill installed at

    Design of the 40 foot diameter SAG mill installed at the Cadia gold copper mine September 2001 Conference SAG2001International Conference on Autogenous

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  • how does a sag mill work

    2013 4 1 Home >> Processing Plant >> how does a sag mill work how does a sag mill work sag aftra sag aftra how does a sag mill work how a sag mill works Crusher South Africa Comparison of Ore Hardness Measurements for Grinding Mill size F80 of 152 mm to 80 passing 1.7 mm and a simple adjustment procedure in case the SAG product size

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  • ball mill stage in copper processing

    The mixture of ore and water is further broken up in two ball mills which are like a rod mill except steel balls are used instead of rods The slurry of finely ground ore that emerges from the final ball mill contains particles about 0 01 in 0 25 mm in diameter The current trends in copper processing are towards methods and equipment Read More

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  • Water Consumption at Copper Mines in Arizona

    2014 9 4 The Morenci Mine was the second largest open pit copper mine in North America in 2009 and one of the largest in the world The property covers nearly 60 000 acres and includes five pits of which three are currently in operation There is also a solution extraction/electrowinning SX EW facility at

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  • Wear of grinding media in the mineral processing industry

    Within the mineral processing industry a range of grinding conditions exists which include semiautogenous grinding SAG rod milling and conventional ball milling Each of these mill environments presents a unique environment for grinding media requiring the application of specific physical and chemical properties for optimum grinding media performance The environments are

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  • SAG Mill Liners

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  • Processes

    Processes Copper is found in natural ore deposits around the world This page explains the production route taken from extraction of ore containing rock to a final product that is the highest purity commercial metal in existence and used in a wide variety of applications essential to modern living.

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  • Determination and scale up of the milling parameters of

    2017 2 4 the experimental laboratory ball mill used is shown in Fig 3 2.2 Sample preparation The copper cobalt ore used in the actual test work was obtained from the feed to the primary mill run of mine at the Etoile mine of Rwashi mining a subsidiary of the Metorex group The ball mill feed content mass was calculated using following .

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  • Changing sag mill liners type from Hi Low to Hi Hi at

    2021 9 14 two 9.75 4.87 and 9.15 4.87 m SAG mills are used to grind a feed all under 17.5 cm that is the product of a gyratory crusher The discharge of the SAG mill is transferred onto a vibrating screen The oversize material is crushed in a pebble crusher and the undersize is combined with the ball mill 6.71 9.91 m discharge and

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  • INCREASING SAG MILL CAPACITY AT THE COPPER

    2018 2 20 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 8500HP dual pinion drive system The plant was designed to process 1585 h mtpof SAG feed From startup the mill struggled to meet the required production rates Over time a major initiative that involved

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  • SAG Mills and spares

    SAG mills are characterized by their large diameter and short length as compared to ball mills The inside of the mill is lined with lifting plates to lift the material inside the mill where it then falls off the plates onto the rest of the ore charge SAG mills are primarily used at gold copper and platinum mines with applications also in

    Get Price
  • Optimization of SAG Mill Process Control at the Raglan Mine

    2013 1 1 Before the ore is processed by the SAG its size is analyzed by a Wipfrag camera that provides a granulometry estimate A cone crusher reduces the SAG s discharge screen s oversize material A 14 foot diameter ball mill ensures final grinding before the flotation stage.Many control strategies were used at the SAG over the past few years.

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  • Wear of grinding media in the mineral processing industry

    Within the mineral processing industry a range of grinding conditions exists which include semiautogenous grinding SAG rod milling and conventional ball milling Each of these mill environments presents a unique environment for grinding media requiring the application of specific physical and chemical properties for optimum grinding media performance The environments are

    Get Price
  • Wichita Clutch Grinding Mill Clutch for Copper Mine SAG

    While the mill is running the clutch also functions as a torque limiter reducing expensive downtime and repairs by protecting the drivetrain from possible damage caused by falling ore Wichita Clutch engineers provided a Model 336H Grinding Mill Clutch GMC with 36 in diameter friction discs and a torque rating of 2 134 650 in.lbs 241 183

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  • Largest Sag Mill

    to Design Supply Large SAG Mill for Copper Gold has been selected to design and supply a 42 x 25 ft 28 MW gearless SAG mill The 42 ft diam SAG mill

    Get Price
  • Wichita Clutch Grinding Mill Clutch for Copper Mine SAG

    While the mill is running the clutch also functions as a torque limiter reducing expensive downtime and repairs by protecting the drivetrain from possible damage caused by falling ore Wichita Clutch engineers provided a Model 336H Grinding Mill Clutch GMC with 36 in diameter friction discs and a torque rating of 2 134 650 in.lbs 241 183

    Get Price
  • Copper Concentrates

    2021 10 21 Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8 9 Production Process Mainly copper goes through different stages and degrees of refinement to a lesser extent the byproducts such as molybdenum sulfuric acid and precious metals that come with copper in the ore Mining and Crushing

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  • Processes

    Processes Copper is found in natural ore deposits around the world This page explains the production route taken from extraction of ore containing rock to a final product that is the highest purity commercial metal in existence and used in a wide variety of applications essential to modern living.

    Get Price
  • Power based modelling of single stage AG and SAG mill

    other methods The ball mill correction factor CFnet is empirical and one way of estimating it was presented by Amelunxen at the Procemin 2013 Short Course by Doll Amelunxen The SGI equation uses a transfer size between a SAG and ball mill it is proposed that a synthetic transfer size of 2100 µm be used to model single stage SAG mills 5.9ˇ

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  • Changing sag mill liners type from Hi Low to Hi Hi at

    2021 9 14 two 9.75 4.87 and 9.15 4.87 m SAG mills are used to grind a feed all under 17.5 cm that is the product of a gyratory crusher The discharge of the SAG mill is transferred onto a vibrating screen The oversize material is crushed in a pebble crusher and the undersize is combined with the ball mill 6.71 9.91 m discharge and

    Get Price
  • Power based modelling of single stage AG and SAG mill

    other methods The ball mill correction factor CFnet is empirical and one way of estimating it was presented by Amelunxen at the Procemin 2013 Short Course by Doll Amelunxen The SGI equation uses a transfer size between a SAG and ball mill it is proposed that a synthetic transfer size of 2100 µm be used to model single stage SAG mills 5.9ˇ

    Get Price
  • Semi autogenous Sag Milling Process

    The ore is ground into a fine powder by large rotating mills in the Mission South Mill are called SAG semi autogenous grinding mills and ball mills To help the process along eight inch diameter steel balls are added to the rocks as they

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  • GRINDING Outotec builds world s largest SAG mill

    2012 9 24 The mill will be operated as a single stage SAG mill primary and secondary duty combined with very high throughput made possible by the use of Outotec s patented Turbo Pulp Lifter TPL technology The grinding mill will be installed during 2014 at First Quantum s Kansanshi copper mine

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