Requirements for the control of the sag mill excluding the ball mills see figure 1 fresh feed tonnage measurement and a regulatory pid control loop commanding upon the feeders.
Requirements for the control of the sag mill excluding the ball mills see figure 1 fresh feed tonnage measurement and a regulatory pid control loop commanding upon the feeders.
Read MoreAgsag 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 agsag milling can often be accomplished with fewer lines than in a conventional rod millball mill circuit a diagram of types of agsag.
Read MoreIn 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.
Read More20 egl sag mill a raptor 900 pebble crusher and two 24 x 396 ball mills each mill is equipped with a 2 x 8500hp dual pinion drive system the plant was designed to process 1585 h mtpof sag feed from startup the mill struggled to meet the required production rates over time a.
Read MoreThe millstar advanced control system has a comprehensive suite of control strategies that can be applied to provide an innovative control solution for almost any milling circuit configuration the main goals are stabilise the mill feed control product quality to the downstream processes optimise throughput and grinding efficiency.
Read MoreGrinding in ball mills modeling and process control sag mill model predictive control mpc expert systems optimization laguerre grinding sag mill weight is an example of an important process that increased stability of the downstream processes in the ball mill and flotation circuits.
Read MoreWe offer autogenous ag semiautogenous sag ball rod and pebble mills in sizes ranging from kws up to 30 mw our product range also includes a number of unique solutions including the worlds largest acid.
Read MoreSagball mill optimization home accuracy when selecting an acoustic sensor for your girding circuit will only compromise the integrity of the control system for future improvements control does not have to be what it was 30 years ago and with knowledgescape leading the way in automated process optimization higher throughput and.
Read MoreCommonly used control strategies are analyzed and discussed keywords ball mills grinding circuit process control i introduction grinding in ball mills is an important technological process applied to reduce the size of particles which may have different nature and a wide diversity of physical mechanical and chemical characteristics.
Read MorePrimary ball mill circuit a flowsheet of the primary ball mill circuit is shown in figure 1 indicating the various control loops and process measurements available to be utilized by an expert system the circuit consists of two identical primary ball mills running in parallel with an overall processing capacity of 2500 tpd.
Read More2017 supervisory fuzzy expert controller for sag mill grinding circuits sungun copper concentrator mineral processing and extractive metallurgy review 383 168.
Read MoreHome browse by title periodicals expert systems with applications an international journal vol 34 no 3 supervisory expert control for ball mill grinding circuits article supervisory expert control for ball mill grinding circuits.
Read MoreInstallation of expert control software at the plants mentioned above future philosophies and the broader holistic approach to mill control are discussed the rom sag mill circuita brief description the typical rom sag mill circuit is depicted in figure 1 the circuit is usually closed with either a screen or more commonly a cyclone.
Read MoreMetallurgical contentopen circuit grindingclosed circuit grindinggrinding circuit process control variablesgrinding operating costs the simplest grinding circuit consists of a ball or rod mill in closed circuit with a classifier the flow sheet is shown in fig 25 and the actual layout in fig 9 this single.
Read MoreEgl sag mill driven by a 24000 kw gearless drive the sag mill feeds two flsmidth ball mills each 26 ft in diameter 215 40 ft long egl each driven by a 16400 kw drive the sag mill is one of the largest volumetric capacity sag mills in the world and represented the first 40 ft sag mill in peru garcia amp villanueva 2013 1.
Read MoreAdvanced controller for grinding mills results from a ball mill circuit in a copper concentrator anoop mathur sujit gaikwad results of using this advanced controller on a ball mill circuit operation in a copper any techniqueeven a rule.
Read MoreThe scada system for the grinding area monitored sag mill loading in order to eliminate overloading conditions rules in the scada computer adjusted the sag feed rate downward from the operators set point when sag overloading occurred.
Read MoreCombined with traditional process variables such as bearing pressure mill power and recycle pebbles the data provided by millscanner allows the ksx expert system to make the best possible decisions in the least amount of time for all conditions because you are taking control actions based on measured media angles the time delay in system feedback from feed changes is greatly reduced which helps increase sag mill throughput.
Read MoreThe attributes of the ok tedi sag mills that are used by the expert system are power draw lift pressure motor temperature and recycle tonnage fresh feed tonnage and feed density are the manipulated variables set point changes in tonnage or sag mill feed density are returned to the dcs pid controllers fuzzy sets are defined for all the.
Read MoreNo longer can he grab a handful of mill discharge to estimate the size distribution and viscosity or cut a liter sample to determine the pulp density the operator is separated from the mill discharge by a sump or screen 5 or 6 meters across.
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