Nov 26, 2019· The biggest characteristic of the sag mill is that the crushing ratio is large The particle size of the materials to be ground is 300 ~ 400mm, sometimes even larger, and the minimum particle size of the materials to be discharged can reach 01 mm The calculation shows that the crushing ratio can reach 3000 ~ 4000, while the ball mill,
Get MoreOct 12, 2017· 1 SAG mill is the primary tool for grinding SAG mill is used before the other mills Ball mill is a secondary, and it is used after the SAG mill 2 SAG mill breaks the raw material into pieces for the further grinding Ball mill is used to grind ,
Get MoreJun 24, 2015· Grate Discharge Ball Mills have shown 25% to 45% more tonnage ground and a substantial reduction in power consumed per ton of material compared size for size with overflow mills To illustrate the characteristics of various type mills we have shown the types of discharge for rod mills and ball mills There are essentially four types of rod mill .
Get MoreSAG 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′ (128m) in diameter, powered by a 28 MW (38,000 HP) motor [8] A SAG mill with a 44 .
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Get MoreJan 11, 2018· Attrition mill is a type of grinding mill by kinds of media to crush lump to powder-like substanc The impact can be rock on rock such as in an Autogenous Grinding (AG) mill, rock and a small ball charge (~10%), used in Semi Autogenous Grinding (SAG) mills, balls of various sizes in Ball Mills and less commonly these days, steel rods in Rod Mills
Get MoreIn general, the SAG mill manufacturers will control the addition amount of medium such as steel ball at 2-8%, so that the capacity of semi SAG mill to process materials can be increased by 10-30% The SAG mill liners wear will increase by 15% due to the impact of medium such as steel ball during the SAG mill ,
Get MoreSAG milling extends itself to many applications due to the range of mill sizes available They can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill and some or all of the work done by a ball mill SAG mills are also an optimum solution for wet grinding since crushing and screening in these .
Get MoreJan 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 MoreThe SAG- Ball mill combination works on impacting and attrition action and the particles residence time increases with its size and density combination This will generate slimes of high density valuable mineral particle, which is undesired activity and consumes unrequired energy The hydro cyclones in efficiency will also add up and increase .
Get MoreMILLS (SAG,AG, ROD, BALL, PEBBLE) – Bateman Engineered , SAG and some Ball Mill applications This is a screen grate installed near to the discharge end of the mill which has slots to allow the material to pass through It
Get MoreMultotec has supplied a number of trommel screens for 38’ to 40’ SAG mills that required 500 to 600 mm-high weir bars to create sufficient retention time Whereas the scrolls on ball mills are cast onto the screen panel, the arduous duty associated with SAG mills requires scrolls to be bolted directly to the steel support frame Multotec .
Get MoreSep 11, 2015· Putting a Ball or SAG Mill on Care and Maintenance The mine is closed and now you need to know how to put the SAG or Large Ball Mill in care and maintenance does not have to be complicated to the point where you need bridge erection equipment for lifting a Mill (AG/SAG/Rod/Ball) You actually need to lift a car higher than a mill
Get MoreSAG 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 The largest SAG mill is 42 128m in diameter powered by a
Get MoreJul 20, 2017· ABC closed circuit, Autogenous-Ball-Mill-Crusher Another similar technique is the ABC open circuit where the crusher product feeds the ball mill rather than the autogenous mill Crusher product is typical feed to a ball mill using large diameter balls but not much grinding of 20-25 mm ore can be accomplished in an autogenous mill
Get MoreA ball mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paintsBall mills rotate around a horizontal axis, partially filled with the material to be ground plus the grinding medium Different materials are used as media, including ceramic balls, flint pebbles, and stainless steel balls
Get MoreMar 20, 2020· Ball mill: Ball mills are the most widely used one Rod mill: The rod mill has the highest efficiency when the feed size is
Get MoreSingle 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 MoreJun 29, 2021· Sag is an acronym for semiautogenous grinding sag mills are autogenous mills that additionally use grinding balls like a ball mill a sag mill is normally a major or first stage grinder sag mills use a ball charge of eight to 21 the biggest sag mill is forty two 128m in dia,difference between sag mill and ball mill
Get MoreDec 21, 2016· 2 parallel SAG Mills each feeding 2 parallel Ball Mills (4 total) Around 50,000 TPD total grinding circuit capacity
Get MoreAG/SAG mill product that needs additional grinding in the ball mill, or “Corrected Ball Mill Feed” T2’ is the 80% passing dimension of the Corrected Ball Mill Feed Figure 1 Comparison of the Particle Size Distribution Slopes Figure 2 Relationship Between the Transfer Size Distribution Slope and T 80 or AWi0/BWi Figure 3
Get MoreSAG and ball mill for gold ore grinding One of three SAG mills with 975 m diameter and 2 x 4000 kW drive power These mills operate in conjunction with ball mills for iron ore grinding in Iran Ball mill for grinding lime-stone for a flue gas desulphuri-sation system in a Korean
Get MoreApr 26, 2021· SAG mills usually have a larger diameter than length and are used to reduce large feed size ore (typically ~300mm) down to ~3mm, often for further grinding in a secondary process Ball mills are smaller in diameter than length and can be used in either primary, secondary or tertiary grinding applications to reduce material from ~20mm to very .
Get More36 x 205 ft (11 x 63 m) Unused SAG Mill with 20,100 HP Gearless Drive - 109 x 62 meter shell - 20,100 HP (15,000 kW) Gearless Drive - 50 Hz ABB motor - Complete with control rooms and transformers - mill was part of a cancelled project, stored to manufacturer specifications Estim.
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