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Copper Sag Mill Discharge

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Deep Dive into Efficiency CASE STUDY Copper Installation

CASE STUDY Copper Installation THE SCENARIO Using the current footprint the customer wanted to replace an existing screen in a Sag Mill copper installation with a General Kinematics STMSCREEN The SAG discharge screen experienced surges of material 2540 solids from the SAG mill which overloaded their existing screen During

Canadian Copper Screening General Kinematics

A Canadian mine was dealing with the effects of an unreliable screen positioned at the discharge end of a Sag Mill In addition to creating downtime the bruteforce screen was not processing the desired load of wet copper ore

Development of an Innovative Copper Flowsheet at Phu

128 Mta of coppergold bearing ore from the open pit Plant Feed Grades are 075 Cu and 033gt of Au and 38gt of Ag Concentrate quality is 25 Cu 7 gt of Au and 60gt of Ag Primary Grinding Circuit contains 34 ft 18 ft 13MW SAG mill 24 ft 39 ft 13 MW ball mill

PDF SAG mill circuit optimisation at Ernest Henry Mining

with the ball mill discharge in a common sump and is pumped to 840mm correlation between copper and gold in the primary ore zone however SAG mill

Increasing SAG Mill capacity at the Copper Mountain Mine

Copper Mountains 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 396 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 feed

Optimizing your SAG mill operation International Mining

Similar 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 AGSAG mills consists of one or both of the following components slurry water and

SAG Mill Liners for Discharge Grate EB Castworld SAG

EB specializes in SAG Mill Liners for Discharge Grate for 20 years We adopt cast processsend cast processs and so on

PDF Influence of feed size on AG SAG mill performance

on average an increase in F80 for this particular mill sag mill with 12 15 balls causes a higher specific energy and a consequent lower throughput at constant mill power

Discharge Grate Liners for SAG Mills EB Castworld

Discharge Grate Liners for SAG Mills ApplicationSAG Mill up to dia112m Material CrMo Alloy Steel Microstructure Pearlitical HardnessHRC3243 Impact valueabout 60J without nortch test bar Wear Performance 20 increase in comparison with ASTM A128 Grade C under same working condition Chemistry Standard for Discharge Grate Liners

Difference Between Sag Mill vs Ball Mill mech4study

Oct 12 2017 In the mining some precious metals found are like gold silver nickel and copper etc Ball Mills Ball mill is a fine grinder A horizontal or vertical rotating cylinder which is filled partially with the balls of ceramics small rocks and balls made from stainless steel The ball charge of a SAG mill is about 29 to 30 By friction and

Autogenous and SemiAutogenous Mills FLSmidth

Single 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 FullerTraylor SAGAG Mills range in size from 43m through 122m in diameter with powers as high as 28000 kW

A potential application of collectorless flotation in a

Oct 01 2010 This may provide an opportunity of using a flash unit for collectorless flotation on the SAG mill discharge stream to produce a high grade copper concentrate Finally it is worth mentioning that collectorless flotation is also proved to be an effective means to recover chalcopyrite from the pyrite concentrate after regrind at Telfer

SM at Kennecott Utah Copper Introduction

one SAG mill feeding two ball mills in a closed circuit with a hydrocyclone battery Figure 1 The aim of the ball mill hydrocyclone circuit is to produce the optimum flotation feed particle size while maintaining grind throughput The optimal operating point is a trade

Modelling SAG milling power and specific energy

Jan 01 2015 It is also possible to use the 1 fraction that shows a positive effect on the SAG mill throughput the power consumption decreases but the specific energy decreases more because the mineral goes faster to the mill discharge leaving a greater part

Mt Milligan Mine British Columbia Mining Technology

The Mt Mulligan mine produces ore of low grade coppergold The semiautonomous grinding SAG mill is the largest in North America It has a capacity to grind approximately 2717t per hour at 92 availability The 12m SAG mill is powered by a 235MW gearless motor drive The IsaMill machine the largest in Canada is used for fine grinding

Lubrication System Of A Sag Mill

1 Used 1310 dia x 49 long Marcy SAG Mill 1 piece shell cast steel heads grinding overflow discharge lubrication system jacking and braking systems Read more SAG Mill Control It Shouldnt be that Hard WOMP

SAG Mill Liner on sales Quality SAG Mill Liner supplier

AS2074 L2B SAG Mill LinersSAG Mill Pulp Lifter LinersCrMo Alloy SAG Mill Liners EB5032 1MaterialCrMo Alloy Steel 2Material GradeAS 2074 L2AL2BL2C 3DimensionsAs Per Drawings 4ApplicationSAG Mill 4

ARE SAG MILLS LOSING MARKET CONFIDENCE

AGSAG mill based circuits and this has impacted on the ability of companies to obtain funding particularly if the discharge performance in the SAG mill is not carefully considered Sossego The Sossego project Delboni et al 2006 and Bergerman et al 2009 treated a higher copper The project was the first copper operation for Vale

Industrial Grinding Estimation of Blended Ore from

AGSAG mill feed trommel screen undersize product 500 000 mm ball mill discharge and cyclone feed overflow and underflow have been conducted in order to characterize the particle size distribution in the products and to carry out mass balancing of grinding circuits

The worlds most recent greenfield copper mine Ausenco

Coarse ore reclaim via two apron feeders and onto the SAG mill feed conveyor with 12 wide metre belt running 175 metres with 12 metres of lift A closed SemiAutogenous amp Ball Mill SABC grinding circuit with ore feed video characterisation and mill discharge particle size analysis Pebble Crushing system including a 220 kW cone crusher

Slurry flow in mills gratepulp lifter discharge systems

Ideally the discharge rate through a gratepulp lifter assembly should be equal to the discharge rate through at a given mill holdup However the results obtained have shown that conventional pulp lifter designs cause considerable restrictions to flow resulting in reduced flow capacity

1000 Tph Gold Sag Mill And Copper Sag Mill Buy Sag Mill

CITICIC can produce below 12m autogenous millsAG Mill and semiautogenous millsSAG Mill autogenous semiautogenous mills AG MillampSAG Mill are utilized to grind runofmine rock or primary crusher dischargeespecially medium hard and below valuable minerals and rocks with uniformly embedded coarse grains AG MillsampSAG Mill