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Noise monitoring for optimal mill operation Mining companies around the world continue to face the challenge of increasing productivity and reducing downtime As part of its SAG mill control system, Manta Controls developed the Manta Mic a robust and reliable acoustic analyser that prevents mill ,...
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In this case, mill speed is the primary manipulated variable used to control mill load While there is no generic control strategy for SAG milling there is a considerable amount of reusable engineering In contrast to an expert or black box system, the control loop approach was built using standard blocks, connected as shown...
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MillSlicer has been developed for the minerals industry for AG/SAG and ball mills Making use of vibration sensors and state of the art technology, it provides information about the inlet and outlet conditions, as well as what is happening 360 176 around the rotating mill , Use the Mill Feed Rate to control the Mill Fill Level rather than ....
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With improved SAG mill control stability, the mill load can be optimized to , ANDRITZ AG, Stattegger Strasse 18, 8045 Graz, Austria BrainWave is a registered trademark in Canada and the USA ACE Advanced Control Expert is a registered trademark in the USA , BrainWave Control solutions for SAG ,...
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AG/SAG mills 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 of a ball mill Because of the range of mill sizes available, AG/SAG milling can often be accomplished with fewer lines than in a conventional rod mill-ball circuit All of the above contributes to...
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Oct 01, 2014 0183 32 24 Multivariable predictive control In the present work, a three-input-three-output scheme of control was performed The total water feed to the mill the feed water flow rate was added to the dilution water flow rate, so they could be specified separately, but for the SAG mill model, the total water content was the variable of interest , the fresh ore feed rate, and the mill rotation speed ....
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Oct 12, 2017 0183 32 SAG mill make use of steel balls included with some large and hard rocks for grinding These mills utilize the balls in making the large fragments of materials broken into piec The ball charge of a SAG mill is about 9 to 20 This process takes place inside the large rotating drum of SAG mill which is filled with balls partially...
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ag sag milling control inperfectestaatnl The single stage SAG/AG milling option is ideal for starter projects with significant exploration and expansion potential Currently a number of the largest SAG mills designed are installed in single stage configuration This paper discusses the challenges associated with the process design of single ....
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ag sag milling control - elthamlodgecoza Model Predictive Control for SAG Milling in 2 Model Predictive Control for SAG Milling in Minerals Processing Ore from primary crushers is combined with water in the mill where rotation causes the grinding ag sag milling control grinding mill china - The influence of feed size on autogenous and semi ....
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AG/SAG SE values to enable the additional power required for AG/SAG milling to be determined AG/SAG inef ciency varies according to the transfer size fi T80 , whereby the ner sizes have less ineffi ciency than the fi coarser siz This means a closed circuit single stage AG/ SAG mill can operate at a reasonable ef ciency if the fi nal fi...
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SAG Mill Control at Northparkes Page 2 mipacau INTRODUCTION This paper describes the successful implementation of SAG mill control at Northparkes Min Control of SAG and AG mills has been considered by many to be the exclusive domain of rule-based expert systems however this project has proven that more conventional control...
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Similar to the impeller design affecting pump capacity, the pulp lifter design affects the discharge capacity or mill throughput of AG and SAG grinding mills Generally, the discharge from AG/SAG mills consists of one or both of the following components slurry water and finer particles and pebbles 20-100 mm...
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Model Predictive Control for SAG Milling in Minerals Processing 5 Model Predictive Control on a SAG Mill and Ball Mills The solution for the SAG Mill is an adaptive controller which controls mill load using direct mill weight measurement or indirectly from bearing oil pressure...
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1 Optimization and Control of a Primary SAG Mill Using Real-time Grind Measurement CW Steyn , K Keet , W Breytenbach Control Engineer, Anglo American Platinum, Control and Instrumentation Department, Johannesburg....
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sag mill components labelling diagram - BINQ Mining Nov 18, 2012 SAG Mill Control and Optimization KnowledgeScape Because KSX is a general expert system, you can easily extend advanced control beyond your SAG mill to other parts of your plant like flotation and thickening »More detailed read more...
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MillSlicer has been developed for the minerals industry for AG/SAG and ball mills Making use of vibration sensors and state of the art technology, it provides , - Use the Mill Feed Rate to control the Mill Fill Level rather than bearing pressure The Mill Fill ,...
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Single 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...
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Advanced Simulation for Semi-Autogenous Mill S ystems A Simplified Models Approach 147 description it is necessary to consider the relationship between the feed stream and mill charge level This relationship is known as the transport rate and is probably the least developed aspect in models proposed so far Apelt et al, 2002 a,b...
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Single stage semi-autogenous / autogenous S/AG milling has become a common design for a variety of ore types with the advantages of being comparatively low capital cost and flexible for future expansion The single stage SAG/AG milling option is ideal for starter projects with significant exploration and expansion potential Currently a...
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Manta Controls ® have developed the Manta Cube ® system where it is available for SAG Mill Control, AG Mill Control, Ball Mill Control, Flotation Control, Thickener Control and CCD Control Control of other process units are also available...
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Used Mining Equipment ColesMining provide comprehensive used equipment solutions used SAG Mills, used ball mills, used rod mills, used tower mills, used Svedala, used Allis Chalmers, used Krupp Polysius, used Mary, used Dominion Engineering, used Metso, used Hardinge, used Denver, used Allis Chalmers, used Outotec, used Nordberg, used Symonds, used Fuller Traylor, used Kemco, Dorr ,...
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Increasing liner lifter face angle from 7 to 30 176 increased throughput by 27 Converting AG to SAG mills by adding 5 balls increased throughput by 40 SAG milling also decreased the product size by 3 Stability of the process was the main outcome of conversion to SAG milling...
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MillStar control system has stabilised the feed to the SAG mill as well as the density at the discharge end of the SAG mill and ball mill The FloatStar Stabilisation and Optimisation controllers have successfully stabilised and optimised the flotation circuit to ensure consistent product quality within desired specifications...
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It is obviously well understood that autogenous AG and semi-autogenous SAG mills operate quite differently from conventional rod mill or ball mills Since these mills are of a grate discharge type, they operate with varying loads, with the power drawn by the mill being dependent upon the volumetric load within the mill and factors that influence the viscosity of the charge, as shown in Figure 1...
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SAG Mill Control It Shouldnt be that Hard , Rely on our proven track record of SAG and AG Mill superiority Since the early 1980s, we have been designing and manufacturing Semi-Autogenous SAG and Autogenous AG Grinding Mills under the Fuller-Traylor brand Semi-autogenous grinding uses a minimal ball charge in the range of 15 while ....
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An Expert System for Control of a Sag/Ball Mill Circuit , e AG/SAG Mill Theory - Text and graphics explaining grinding definitions, the fundamentals of AG and SAG mills, mill control strategies, techniques for handling problems with overviscous pulps and effects of variation of mill speed, ball load and total mill charge on throughput and ....
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Model Predictive Control for SAG Milling in Minerals Processing 2 Model Predictive Control for SAG Milling in Minerals Processing Ore from , Conversely for hard ore, mill speed is increased to input more energy to the , single stage sag/ag milling design - Orway Mineral Consultants...
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