بيت /can sag mill and ball mill have the same dimensions
Transfer Size, T80: Is the 80% passing size of ore as it passes from the SAG mill to the ball mill. It is typically about 1/3 the size of the screen opening but can be coarser than 1/3, especially when a pebble crusher is used. Screening at 5 mm ensures that the T80 will be about 10 mesh ( mm) ensuring that the ball mill will work efficiently.
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grinding, to single stage crushing and semiautogenous grinding (SAG) and ball mill (SAB) circuits. This progression has, not necessarily, been accompanied by an improvement in the efficiency of power utilisation in achieving the target grind size, but has seen an improvement in the overall efficiency of mineral processing as
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The SAGDESIGN test is performed with a specially designed laboratory SAG mill and uses 7 to 9kg (depending on ore specific gravity) of –38 mm ore. The SAG product is then used as feed to a Bond ball mill work index test. The results can be used to determine or .
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Mar 17, 2016· Question what is an Autogenous mill? An autogenous (AG) mill is a grinding mill used in the minerals processing industry. It is shaped like a huge drum on its side and spins rapidly to carry ore to the top using centrifugal force. Gravity assist...
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From the literature it is apparent that in circuit design some approaches to the sizing of AG/SAG mills as well as the ball mills that they feed use this parameter.
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Investigations were carried out in a laboratory ball mill having the size of DxL = 160x200 mm with a ribbed inside surface of the drum. The mill ball loading was 40% by volume, the rotation rate was equal to 85% of the critical speed.
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Feb 25, 2013· Mill (grinding) – Wikipedia, the free encyclopedia. A SAG mill is generally used as a primary or first stage grinding mills use a ball charge of 8 to 21%. The largest SAG mill is 42′ in diameter, . »More detailed
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After SAG mill, a trommel screen produces two over and under size materials which the oversize part is circulated into SAG mill and undersize reports to hydrocyclone for further process. Ball filling identify was implemented in this work using mill`s load sampling and ball abrasion test.
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Difference between sag mill and ball mill pooling and transport issues in sag mills the discharge trunnion they are radial vanes between the grate and the difference in flow resistance of the slurry from ag milling to ball milling, and from no 2 sag mill was found to have dropped by, despite load creeping.
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Ball Mill. Ball mill is the key equipment for grinding after the crushing process, which is widely used in the manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and can be used for the dry and wet grinding for all kinds of ores and other grindable materials.
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The Nickel West Mt Keith Concentrator (NMK) has 2 parallel grinding modules consisting of one SAG Mill and one BALL Mill per module. A third ball mill takes a split of feed from each module to assist maintaining a target product size. Both modules are fed from the same primary crushing circuit via a Coarse Ore Stockpile (COS) which provides ...
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Ball Mill How Does A Sag Mill Work. ... Iron Ore Sag Mill Machine Iron ore SAG MIll machine is considered. how does a sag mill work – How Does Ball Mill Work? . and a standard Bond Ball Mill Work Index test (BWi) on SAG ground ore. ... Search working of ball mill and sag mill to find your need. Mining and ...
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DESIGN OF THE 40 FOOT DIAMETER SAG MILL INSTALLED AT THE CADIA GOLD COPPER MINE ... SAG mill and two ball mills in closed circuit with cyclones. ... Selection of SAG mill dimensions .
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The 40 ft diameter Toromocho SAG mill GMD has a higher power density value of at the same rated power of 28 MW. The 22 MW GMD for the 28 ft diameter Toromocho ball mill has an even higher power density value of The power density has quite an impact on the design.
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Mar 03, 2015· Ultimate particle size depends entirely on how hard the material you're grinding is, and the time how long the Ball Mill runs. Our Ball Mills have been used to grind glass, powder food products ...
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The ball mill can grind various ores and other materials either wet or dry. There are two kinds of ball mill, grate type and overfall type due to different ways of discharging material. Many types of grinding media are suitable for use in a ball mill, each material having its own specific properties and advantages.
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SAG is an acronym for SemiAutogenous Grinding. SAG mills are autogenous mills but 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' () in diameter, powered by a 28 MW (38,000 HP) motor. can sag mill and ball mill have the same ...
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Depending on the mill size the SAG mills draws between 2 MW and 17 MW. The product from the SAG mill is further reduced in size using pebble crushers and ball mills. Hence, typical gold or copper ore requires between and kWh per ton of energy to reduce the particle size.
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SAG is an acronym for SemiAutogenous Grinding. SAG mills are autogenous mills but 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' () in diameter, powered by a 28 MW (38,000 HP) motor.
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W is the work index measured in a laboratory ball mill, Principle of SAG Mill operation SAG is an acronym for SemiAutogenous Grinding SAG mills are autogenous mills but 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 28 MW (38,000 HP) motor .
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Optimizing your SAG mill operation. The mill discharge from these mills consists of slurry, which goes to the ball mills for further grinding, and coarse pebbles/rocks, which are crushed and sent back to the mill. To maximize the capacity of these circuits, the general practice is to use grates with pebble ports (reaching 100 mm)...
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