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- energy efficiency in ag and sag mills

### Technical Report: IMPROVING ENERGY EFFICIENCY .

article{osti_861643, title = {IMPROVING ENERGY EFFICIENCY VIA OPTIMIZED CHARGE MOTION AND SLURRY FLOW IN PLANT SCALE SAG MILLS}, author = {Raj K. Rajamani and Sanjeeva Latchireddi and Sravan K. Prathy and Trilokyanath Patra}, abstractNote = {The mining industry operates approximately 80 semiautogenesis grinding mills (SAG) throughout the United States.

Get Price### Difference Between Sag Mill vs Ball Mill mech4study

Oct 12, 2017· In ancient time, the mills were operated with muscle power (by hands), water animals and wind. They were totally based on the mechanical energy by natural resources and living are many types of mills which are used in the grinding industries. Today we will discuss about two important mill, sag mill and ball mill.

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For better results, lower maintenance costs and improved energy efficiency, rely on highquality, highvalue horizontal mill solutions. Precise, modularised and compact — advanced horizontal mills to optimise your business. ... Autogenous (AG) semiautogenous (SAG) mills Ball mills Rod mills FT mills Rotary scrubbers .

Get Price### seal for sag and ball mill

ball mill can be reorganised as [7] and [8], where B'Wio and A'Wio are the corrected operating work indices and WAG/SAG, WBM are the respective power draw of AG/SAG and ball mills. Note that the ball mill operating work index is applied only on the portion that needs the additional grinding (Q2), which renders to the AG/SAG mill the

Get Price### ball and sag mill circuits

SAGDesign testing provides SAG pinion energy grindability in kWh/t to within +/ 5% from 152 to mm, and Bond Ball Mill Work Index on SAG ground ore, from the SAG test on the same sample. Starkey Associates uses the patented SAGDesign technology to calculate accurate mill sizes from measurements on a client's own ore samples.

Get Price### Modelling SAG milling power and specific energy ...

Jan 01, 2015· Modelling SAG milling power and specific energy consumption including the feed percentage of intermediate size particles Modelling SAG milling power and specific energy consumption including the feed percentage of...

Get Price### grate open area in sag mills

SAG and ball mills with grate, originally developed for use by the AG/SAG mill The specific energy is mainly a function of the ore hardness A and o grate open area . [7/27 Online] SOSSEGO SAG MILL 10 YEARS OF OPERATION AND OPTIMIZATIONS,

Get Price### Modelling comminution patterns within a pilot scale AG/SAG ...

The patterns of rock comminution within tumbling mills, as well as the nature of forces, are of significant practical importance. Discrete element modelling (DEM) has been used to analyse the pattern of specific energy applied to rock, in terms of . Skip to main content ... Modelling comminution patterns within a pilot scale AG/SAG mill.

Get Price### What's the difference of Ball mill, SAG mill, AG mill?

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. These machines are used to grind or mix metals or raw materials for further processing.

Get Price### Modelling comminution patterns within a pilot scale AG/SAG ...

We also investigated the nature of the comminution process within AG vs. SAG mill, in order to explain the observed diﬀerences in energy utilisation eﬃciency, between two types of milling. All experiments were performed using a laboratory scale mill of m diameter and m length, equipped with 14 square section lifters of height 40 ...

Get Price### Overgrinding In Sag Mills

Improving energy efficiency in sag mills grinding mill plant the sag mills make use of a minimal ball charge of 6 to mills can accomplish exactly the same size reduction work that normally takes numerous stages of crushing, screening and grinding strategies which is.

Get Price### Outotec Grinding technologies

comminution. Outotec HPGR solutions are energy efficient technology packages for comminution circuits that enable processing of harder ores. AG and SAG mills Autogenous and semiautogenous mills are designed for grinding or primary crushed ore and are the most widely used in concentrators globally. Ball mills Ball mills are typically used for secondary and/or

Get Price### ball consumption in iron ore sag milling

Energy and Cost Comparisons of HPGRbased Circuits EMJ. Dec 9, 2013 ... Up until now, tumbling mills such as AG/SAG mills and ball mills have had a ... plant energy consumption and having an efficiency of as low as 1%. ... characterizing the properties of the ore .

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Up until now, tumbling mills such as AG/SAG mills and ball mills have had a ... plant energy consumption and having an efficiency of as low as 1%. ... characterizing the properties of the ore and slurry for modeling and simulation of the circuit. ...

Get Price### Optimizing your SAG mill operation International Mining

Optimizing your SAG mill operation. In the past, when primary, secondary and tertiary crushers fed material directly to large ball mills, the energy efficiency of the concentrator was determined for the most part by the ball mill operation, whereas now the energy efficiency of .

Get Price### Model Predictive Control for SAG Milling in Minerals ...

SAG and ball mills are generally accepted as the largest power consumers in a mining and mineral processing operation and can be 80% of total electrical energy consumed at a specific power consumption of around 20kWh/ton.

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