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ball mill vs sag mill

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  • ONLINE SAG MILL PULSE MEASUREMENT AND

    product size mill throughput make up ball size mill speed liner profile and ball addition rates At the same time it can also be used to design balls and liner systems that can survive longer in the mill The technological advances made in electronics and communication makes this leap in instrumentation certainly viable Hence the

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  • TECHNICAL NOTES 8 GRINDING R

    2009 7 30 LG A mill power equation for SAG mills Minerals and Metallurgical Processing Feb 1990 pp57 62 Gross power No load power Net power drawn by the charge 8.13 The net power is calculated from Net power KD2.5L e c. Watts 8.14 In equation 8.14 D is the diameter inside the mill liners and Le is the effective length of the mill including the

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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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  • Services

    2021 10 22 Hence complete circuits can be specified including SAG or autogenous mills ball mills screens and cyclones Advice on the selection of mill liner type profile and material can also be presented tailored to the particular mills selected.

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  • The Selection and Design of Mill Liners

    Figure 5 High–low wave ball mill liner Materials The selection of the material of construction is a function of the application abrasivity of ore size of mill corrosion environment size of balls mill speed etc liner design and material of construction are integral and cannot be chosen in isolation.

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  • Used Ball mills For Sale

    UNUSED 22 x 38 6706mm x 11582mm Ball Mill 10 000 kW 13405 HP Twin Pinion 50 Hz Motors and Gear Reducers Inventory ID 6C CM02 UNUSED 22 x 38 6706mm x 11582mm Ball Mill 10 000 kW 13405 HP Twin Pinion 50 Hz Motors and Gear Reducers Manufacturer .

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  • What is the difference between a SAG mill and ball mill

    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 6 7 The largest SAG mill is 42′ 12.8m in diameter powered by a 28 MW 38 000 HP motor 8 A SAG mill with a 44

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  • ONLINE SAG MILL PULSE MEASUREMENT AND

    2012 6 18 Ball size of 1.28 inch was used at 28 mill filling The mill was run for 4 8 12 16 and 20 minutes at 60 70 and 80 critical speed The data was collected on a continuous basis and force spectrum and the force histogram were generated for each run The histogram shown here paves the way for SAG mill signature In other words a SAG

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  • PDF Maximising SAG mill throughput at Porgera gold

    Summary of Mill Survey Results 80 survey 1 SAG 2 70 Survey 1 2 2 3 60 Blast # 340 319 320 314 320 314 310 316 SAG 1 Muck Load vol 26.3 22.826.9 50 Ball Load vol 11.0 13.8 13.8 13.2 40 Ball Size mm 150 125 125 125 30 Power KW 4550 4650 3970 4310 20 Bearing Pressure 3900 3740 3720 3927 10 kpa 0 Mill Speed rpm 11.42 11.42 10.79 11.50

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  • Analysis of Power Draw in Ball Mills by the Discrete

    Abstract Ball mills like other comminution devices consume large amounts of energy Mill operators often have to assess the power draft of mills for an entirely different set of operating conditions or for a reconfigured circuit It is shown that the power draft can be accurately predicted from analysis of the motion of the charge The motion of the charge is rigorously simulated with a

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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

    2005 6 1 There are many other solutions however if the efficiency of a SAG mill is not what you are after all of the other options cost more in terms of maintenance and materials eg pure ball mills hammer mills and rod mills AG and SAG mills are cheap to operate and some inefficiency is

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  • Ball Mill Loading

    The starting point for ball mill media and solids charging generally starts as follows 50 media charge Assuming 26 void space between spherical balls non spherical irregularly shaped and mixed size media will increase or decrease the free space 50 x 26 = 13 free space Add to this another 10 15 above the ball charge for total of 23

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  • SAGMILLING

    The principal behind SAGMILLING is Alex G Doll Consulting Ltd a consultancy involved in circuit design consulting testwork program development supervision mill audits geometallurgy programs and a variety of other services in support of feasibility studies design projects and mill optimization Lead engineer Alex Doll P.Eng MAusIMM.

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  • Mining comminution crusher ball mill and advanced

    2019 2 20 Mining comminution crusher ball mill and advanced analytics Mining operations are complex environments Even for something as simple as surface mining or open pit mining there are a whole host of variables to consider Small changes in blasting operations haul truck speed stockpiling and equipment can have significant impact on

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  • Rod Mills for coarse grinding

    Rod Millsyour solution for grinding coarse materials Available in multiple sizes Designs extend to 15 feet x 22 feet 21 feet effective Though mill length is limited by manufacturing constraints for the grinding rods our Rod Mills are available in diameters from 5 feet up to 15 feet.

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  • Production Engineering Archives

    Difference Between Sag Mill vs Ball Mill October 12 2017 February 22 2018 Admin 1 Comment Manufacturing Mill Today we will learn about difference between sag mill vs ball mill A mill is a machine by which solid Read more.

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  • Used Ball mills For Sale

    UNUSED 22 x 38 6706mm x 11582mm Ball Mill 10 000 kW 13405 HP Twin Pinion 50 Hz Motors and Gear Reducers Inventory ID 6C CM02 UNUSED 22 x 38 6706mm x 11582mm Ball Mill 10 000 kW 13405 HP Twin Pinion 50 Hz Motors and Gear Reducers Manufacturer .

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  • Development and Implementation of the new 2240 kW

    2014 12 18 Semi Parallel with ball mill because cyclone under flow is split 7 ways Vertimill stream is pre screen at screen with 6 mm apertures Oversize 10 sent to ball mill under size 90 sent to Vertimill Grinding duty F80 –600 µm P80 –150 µm 200 mtph Unfortunately due to circuit arrangement the ball mill and

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  • difference between ag and ball mills

    2021 5 10 Ball Mill And Ball Mill Difference focusondemand Difference Between Sag Mill vs Ball Mill mech4study The ball charge of a SAG mill is about 29 to 30 By friction and influence of tumbling balls inside rotating cylinder grinds the raw material to the required fineness The internal machinery of ball mill grinds the raw material into the powder like material And if extreme fineness and

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  • Gold processing 101

    2017 9 7 However the SAG route is more power intensive and for very hard ores comes with some process risk in predicting performance More recently a hybrid solution has become available in the form of high pressure grinding rolls HPGRs which can replace the third stage of crushing and also the SAG mill.

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  • PDF Maximising SAG mill throughput at Porgera gold

    Summary of Mill Survey Results 80 survey 1 SAG 2 70 Survey 1 2 2 3 60 Blast # 340 319 320 314 320 314 310 316 SAG 1 Muck Load vol 26.3 22.826.9 50 Ball Load vol 11.0 13.8 13.8 13.2 40 Ball Size mm 150 125 125 125 30 Power KW 4550 4650 3970 4310 20 Bearing Pressure 3900 3740 3720 3927 10 kpa 0 Mill Speed rpm 11.42 11.42 10.79 11.50

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  • T H E E F F E C T S O F F E E D S I Z E D I S T R I B U T

    2016 6 14 effects of feed size on SAG mills are well known Morell 2003 but have not been extended to ROM ball mills SAG mill models have been developed for substantially different mills typically without direct measurement of the feed sizing Apelt 2002 .

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  • Portabale Iron Ore Crusher In South Africa

    Grinding Mill Price Di India Fls Ball Mill Jacking Pump Pressure Sag Mill Vs Ball Mill Distillery Biocompost Pulverizer Sand Sieve Machine For Indian Prize Silica Sand Processing Equipment For Silica Rock Crusher Barmac Japan

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  • Sag Mill Scat Removal Magnet

    Sag milling in australia focus on the future248 Кб Developments in SAG Mill Design and Operation Over the last few years SAG mill manufacturing technology has advanced rapidly.Most new plant designs include this style of magnet and the use of ball mill trommels to protect the cyclone feed pump is diminishing with the acceptance of trommel

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  • difference between sag mill and ball mill solution for ore

    difference between ag sag ball mill rod The difference between bowl mill and ball mill copper ore properties Solutions for difference between ball mill More Mineral Processing Introduction mineral processing begins when an ore is The primary differences between these mills are in the install ball mills in combination with SAG mills and.

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  • Explore further

    Difference Between Sag Mill vs Ball Millmech4studymech4studySAG Mill Grinding Circuit Design911metallurgistSAG millsMetso OutotecmogroupMill grinding Wikipediaen.wikipediaRecommended to you based on what s popular Feedback

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  • The Selection and Design of Mill Liners

    Figure 5 High–low wave ball mill liner Materials The selection of the material of construction is a function of the application abrasivity of ore size of mill corrosion environment size of balls mill speed etc liner design and material of construction are integral and cannot be chosen in isolation.

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  • ball mill Archives

    2019 6 17 The contract includes delivery of one SAG mill and two ball mills with a total installed power of 36 MW as well as two HP series pebble crushers Outotec will also supply spare parts and consumables including metallic mill liners and will supervise the installation of the equipment The delivery is scheduled for 2022.

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  • Ball Mill Loading

    The starting point for ball mill media and solids charging generally starts as follows 50 media charge Assuming 26 void space between spherical balls non spherical irregularly shaped and mixed size media will increase or decrease the free space 50 x 26 = 13 free space Add to this another 10 15 above the ball charge for total of 23

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  • SAG MILL DISCHARGE SCREENS TROMMEL vs

    2013 12 22 The SAG mill has a trommel on the discharge end of it Oversize is returned to the mill by a bucket wheel and water jet Trommel undersize was pumped to a vibrating screen where the screen oversize was sent back to the mill and the undersize was pumped to the cyclone circuit Figure 2 shows the flowsheet for line 2 with only the trommel

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  • The Science of Comminution

    2010 3 24 Outokumpu s mill group was created by combining the grinding mill business formerly know independently as Morgardshammar an Scanmec with the Outokumpu mill business Outokumpu former Mills was an early leader in the design and production of large road and ball mills for the mining industry and has

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  • Paper # 25

    2021 2 17 The grinding circuit for the Copper Mountain project consists of one FL SAG mill and two FL ball mills Figure 1Overview grinding circuit 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

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