the mill High energy requirements for both the SAG mill and the ball mill were correctly predicted and have allowed grinding production tonnage forecasts to be met Design test data and production results are given INTRODUCTION In 1995 Davy International Canada, now Kvaerner Metals E & C, was commissioned as the

Get PriceBall And Sag Mill Foundation Design Stabilizersupplyfr Manual design of sagballrod mill foundations 14032007 as an engineer who has experience using fem for the design and assessment of sag and ball mill foundations i know that this approach can be timeconsuming costly and in some cases not even a hope of being accurate if you dont have ,

Get PriceThrough an innovative manufacturing process we’ve produced a ball with greater impact resistance and reduced spalling compared to the standard SAG ball, ready to perform in the highest impact SAG milling environments PRODUCT SPECIFICATIONS SIZE: SAG milling grinding media are available in sizes from 40” to 65” or 105 mm to 160 mm

Get PriceOur AG/SAG mill liners are manufactured to the highest industry standard for Autogenous Grinding(AG), Semi-Autogenous Grinding(SAG), Primary / Secondary and re-grind rod or ball mills MGS Casting mill lining system designed by our highly trained, and dedicated team throughout the world has taken your entire comminution circuit into consideration

Get PriceMaximum SAG mill po wer was determined by deducting the install ed ball mill pinion power of 795kWh/t (16,400kW) from the maximum overall circuit power of ,

Get PriceJan 06, 2021· of the SAG mill down, insert in-circuit crushers, and complete the comminution process with large ball mills where total ball mill power can be up to double the SAG mill power Scandinavian and southern hemisphere SAG mill designers have built grinding plants using low aspect (1/1) ratio SAG mills to produce a finished grind in a single stage

Get Price4 High ball charge SAG mill or ROM Ball mill (15 to 25% ball charge) Low competency ore Hidden Valley, Nzema, Sepon, UG2 ores (South Africa), Yanacocha 5 Low ball charge, high speed SAG mill (4% ball charge, 90% Nc) A cross between AG and SAG for average competency, abrasive or Typically operated in RSA on Witwatersrand Gold Ore Driefontein ,

Get PriceJan 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 96 Problems 91 In an SAG mill the dimensions of the mill were 975 m × 35 m and the specific gravities of the mineral and ,

Get PriceGrinding Mill Design & Ball Mill Manufacturer The choice of mill design depends on the particle size distribution in the feed and in the product wanted Often the grinding is more economic when executed in a primary step, followed by a secondary step, giving a fine size product , SAG Mill vs Ball Mill Ball Motion inside a SAG Mill Ver Más

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Get PriceGearless 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

Get PriceSAG Mill Discharge Controlling the feed and discharge of a mill is mostly a stabilisation exercise – you need to be able to quickly and accurately control the mill feed rate If the mill feed setpoint is changed, then the actual feed rate needs to stabilise at the new target in a short period of time The feed rate setpoint can then be tied ,

Get PriceNov 18, 2008· DEM (Discrete Element Method) simulation is used in the design and optimization of comminution equipment to predict the effects of ore characteristics, crusher and mill ,

Get PriceFollowing the SAG mill will be two 9,000-hp ball mills, each one 20-ft in diam and 331/2-ft long, that do the finish grinding , Worm Gear Selection & Design Considerations for Industrial ,

Get PriceThe final plan was to increase the ball charge in the SAG and ball mill to 10% v / v and 27% v / v, respectively; set the upper limit of the operating power in the ball mill to 5800 kW; use a TRIO TC Series crusher (without a power-/feed rate–controlling device, but with a feed bin) to crush pebbles for recirculation back to the SAG mill feed ,

Get PriceDesign of the Otjikoto Gold Mill, Namibia John Rajala1 Received: 25 May 2020/Accepted: 13 October 2020 # The Author(s) 2020 Abstract The Otjikoto Gold Mine in the Republic of Namibia is located approximately 300 kilometers north of the capital city of

Get PriceSingle stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach When future tonnage is to be increased, the SAG Mill can feed downstream ball milling to boost capacity Fuller-Traylor SAG/AG Mills range in size from 43m through 122m in diameter with powers as high as 28,000 kW

Get Priceof SAG mill performance through 1 Changes in liner/lifter design to maximize throughput while maintaining acceptable wear levels 2 Changes in ball size to maximize particle breakage without producing exceptionally high impact forc 3 Changes in grate and pan lifter designs to decrease internal mill recycle and increase throughput

Get Pricereceives 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

Get PriceThe SAG mill trommel undersize is combined with the ball mills’ discharge and pumped to two parallel packs (clusters) of twelve 660 mm diameter cyclon The cyclone underflow from each line reports to a ball mill, while the cyclone overflow is directed to the flotation circuit The designed ball milling circuit product is 80% passing 150 µm

Get PriceThe SAG mill of the invention may be used to evaluate ore samples from a mine site that is not in operation and prior to design of a commercial scale ball mill operation This is one particularly intended purpose of the pilot plant SAG mill

Get PriceGRINDING MILLS – BALL Mills, SAG Mills, AG Mills & ROD Mills We refurbish, design and manufacture an extensive range of high-quality mills and mill components to exacting standards, offering you a turnkey service that’s backed by two decades of engineering expertise

Get PriceSimilar 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 ,

Get Priceto include SAG and Ball milling The hardness of each sample was measured in terms of SAG power index, SPI (for SAG grinding) and Bond Ball mill work index, BWi (for ball mill grinding) A further measure, the Minnovex crusher index, Ci was also measured for use in the CEET program to determine SAG mill feed size (Kosick and Bennett, 2001)

Get PriceThe Cortez SAG mill liner design was recently modified to improve the mill operating energy efficiency In addition to the expected benefits, the design change unexpectedly played a , Mill #1 was a conventional rod mill/ball mill circuit followed by an 8-stage CIP circuit

Get Priceness of the models For a given mill to have a combination of feed size, ball load, mill speed and % solids will represent the total load Ball Mill SAG Mill Scw Jb Pc % -6" +1" N/Nc Fresh Feed Water Water Pebble Crusher Screen Cyclones Sump Pump Fig 1 SABC A/B milling circuit

Get PriceThe basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closed ,

Get PriceMar 14, 2007· RE: Manual design of SAG/ball/rod mill foundations youngstructural (Structural) 7 Mar 07 18:27 I have a bit of a long answer here, so I'll give you a synopsis: I don't think an design can be produced manually, and I think a preliminary design could ,

Get PriceOct 15, 2020· Farnell-Thompson is an industry leader in heavy machinery engineering design with significant experience in the design and delivery of grinding mills The order comprises a 22-foot diameter by 8-foot effective grinding length(egl) SAG mill and 145-foot diameter by 195-foot effective grinding length ball mill

Get PriceSag 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 to the largest sag mill is M in diameter, powered by a mw , hp motor a sag mill with a M diameter and a power of mw , hp has been

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