Jan 01, 2016· SE = SAG mill specific energy in kWh/t T 80 = transfer size from SAG mill to ball mill or the SAG mill product P 80, in millimetre It is claimed that this equation is applicable to any SAG product size and includes fine grinding beyond 10 mesh (17 mm) product size The correlation was good for four of the five SAG mills studied

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Get PriceThe increased energy consumption can be offset by the increase gold recovery This can be an advantage due to the fact that leaching is much more efficient on particles with large surface area relation to the mass Gold Processing Flow 1 Gyratory crusher 2 Conveyor 3 Stockpile 4 Feed 5 Primary cyclone 6 SAG mill 7 Ball mill 8

Get PriceSag Mill Pebble Crusher Rock crushing rule of thumb mineral processing metallurgyCalculations define the efficiency of a fine stage-crush ball mill circuit as 10 to 12 depending on ball mill feed size, and some sabc sagball millpebble crusher circuits operating with ,

Get PriceIn multi-stage ABC/SABC circuits, the AG or SAG mills are in closed circuit with screens and pebble crushers 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

Get Pricecrusher operation – so-called Mine-to-Mill approach 32 Mine-to-Mill The feed size to AG and SAG mill circuits has been demonstrated to have a significant impact on throughput with effects such a that illustrated in Figure 7, being commonplace Modifying blast design and primary crusher operation can

Get PriceSAG MILL GRINDING DESIGN VERSUS GEOMETALLURGY – GETTING IT , xxv international mineral processing congress (impc) 2010 proceedings / brisbane, qld, australia / 6 – 10 september 2010 1 introduction the selection of sag and ball ,

Get Pricethe SAG mill and ball mill was 8658 kW, which caused partial over-grinding From experience in processing plants outside of China, the power rating of the ball mill should be higher than that of the SAG mill [5] The pebble crusher had an over-powered configuration The installed power draw of 630 kW

Get PriceFigure 1 - SAG mill compared to crusher and ball mill product size distributions (Powell et al 2014) The evaluation of the SAG mill perform ance with P80 value s in a Bond work inde x calculation

Get Priceconsumption not only has direct economic impacts, it also saves the energy that would be used in the fabrication and transportation of the balls (Pokrajcic and Morrison, 2008) Methodology Design criteria The hypothetical cases used for this study are two mines each with the option of SABC (SAG mill-ball mill-crusher) or 3-

Get Priceanalysis of energy consumption of crushing processesKnow More materials energy consumption in the two-stage crushing process was reduced by 30% Key words: rock crushing, jaw well as the production of suitable products in accordance with the stages of crushing, jaw or cone crushers are usually used in high-pressure roll mill comminution, International Journal of Mineral,

Get PriceBall consumption in iron ore sag millingAs a result of that the grinding time in downstream milling process cone crusher in an iron ore sag and ball mills s toTyy lxpMill grinding wikipedia, the free encyclopediapared to ball mills hpgrs are achieving a 30 to 50 lower specific energy consumption,

Get PriceMid-sized pieces will get processed by each crusher before arriving at the SAG mill Other pieces, well they just get stuck in the crusher The varying proportions of ROM ore sizes and their associated densities create challenges, as the dynamic nature of the ore characteristics has a direct impact on the amount of time each piece of ore ,

Get PriceUNUSED 3,300 HP (2,463 kW) SAG Mill | UNUSED 3,300 HP (2,463 kW) Ball Mill Preserved & Stored in Canada

Get PricePRESS RELEASE, COPENHAGEN, DENMARK FL to supply crusher, SAG mill and ball mill to copper mine in Serbia Chinese mining company Zijin Mining Group Company Limited has chosen FL to provide a gyratory crusher, SAG mill and ball mill to the Majdanpek mine, which forms part of their newly purchased Zijin Bor Copper mine group

Get PriceSAG product will draw more power from the SAG Mill and less power from the Ball Mill Metal consumption analyses also , on the Ball milling calculations, , Calculation of power consumption for ball mills and grinding ,

Get PriceSAG 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 28 MW (38,000 HP) motor

Get PriceLarge scale open pit mining will provide mill feed at a nominal rate of 60,000 t/d , a SAG/ball mill/crusher (SABC) grinding circuit, including one 20 MW SAG mill, , china plant mill circuit equipment – iron ore crusher, gold ,

Get PriceThe discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in the mill’s performance [17,18,19,20,21] The initial design of the grate section caused a serious accumulation of pebbles within the SAG mill ,

Get PriceAutogenous sag mill via an utilized method miduk copper concentrator is located in kerman province iran and its size reduction stage includes one gyratory crusher which feeds one sag mill 975 diam388 lengthm following two parallel ball mills 5diam7lenghtm after sag mill aMore detail 100 and 125mm sag mill using forged steel balls

Get Pricesag mills technomine Know More sag mills versus crushers seniorweb-heerenveen sag mills versus crushers for bauxite sag mills versus crushers for bauxite vibrating sieve separator Joyal-Bauxite Crushing Plant Bauxite Grinding Mill oyal-Crusher Bauxite mine is one kind of ore minerals collectively formed mainly by gibbsite a boehmite or a diaspore which can be used in industry

Get PriceModelling SAG milling power and specific energy In these circuits the SAG mill is the largest energy consumer In many engineering projects either a power equation and/or a specific energy equation are used for the designing of these mills but not always with acceptable results In general these equations are used to predict power consumption as a function of mill size, level and density of ,

Get PriceAug 17, 2018· Different types of crushers are used as per the various , Wet grinding is generally preferred because of lower power consumption and higher mill capacity , Semi-Autogenous Mills/ SAG Mills ,

Get Pricethe SAG mills throughput, power consumption and accordingly, speciﬁc energy The feed size distribution together with the ore characteristics (hardness, lithology, alterations, etc) are the most important factors affecting the SAG mills performance Some oper-ations have recognised an opportunity in the relationship between

Get PriceDynamic modeling and simulation of a SAG mill-pebble crusher circuit by controlling crusher operational parameters Minerals Engineering 127 (2018): 98-104 Paper C Li, Haijie, Magnus Evertsson, Mats Lindqvist, Erik Hulthén, Gauti Asbjörnsson and Graham Bonn, Dynamic modelling of a SAG mill – pebble crusher circuit by

Get PriceInventory ID: 6C-HM03 UNUSED FL 36’ x 24' Dual Pinion SAG Mill with 2 ABB 9,000 kW (12,069 HP) Motors for Total Power of 18,000 kW (24,138 HP)

Get PriceSAG mill, Recycle Crushers, and cyclon A summary of the sample points is given below 1 , while the electric power consumption for grinding is on average about 60%, and for crushing only 5% ,

Get PriceAug 25, 2014· In our recent conversation, Prof Alban Lynch was very sceptical about where semi-autogenous grinding (SAG) mills have gone, and thinks they have taken us along the wrong track He feels that they may be attractive in terms of high productivity, but says that "their energy efficiency is poor, and I feel that these immense machines are going to turn into very large ball mills"

Get PriceROCKY 3D DEM simulations of grinding media flow can be used to investigate the relative performance of comminution devic

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