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 mill circuit. A diagram of types of AG/SAG ...
a tumbling mill to develop a mental picture of the load geometry. These past practices are being utilized within modern control instrumentation. For example, Pax1 utilizes acoustic techniques to determine the load shape online. The PLC was the most significant of the pioneering computational based online controls.
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. Provide a robust control solution. OVERALL MILLSTAR BENEFITS
Ball Mill Grinding Circuit The ball mill is in closed circuit with a sump and three cyclone classifiers. The ore and trim water are added to the ball mill and the outflow from the ball mill goes to a sump where additional water is added. The slurry from the ball mill is pumped out of a sump into two cyclone separators. The underflow from the cyclone is returned to the ball mill.
Mill charge in grinding ball mill circuits 1335 The signal from the receivers is sent to the control room. The frequency signal is further processed in a microprocessor control card based on an INTEL 80196 microcontroller and finally displayed as the mill charge.
Ball Mill Operation. Ball mills ride on steel tires or supported on both ends by trunnions. Girth gears bolted to the shell drive the mill through a pinion shaft from a prime mover drive. The prime movers are usually synchronized motors. During rotation, a portion of the charge is lifted along the inside perimeter.
circuits at Palabora Mining Company. Each milling circuit consists of a rod mill followed by a ball mill in series. Crusher product is fed to the rod mill, and the water is fed in ratio to the ore feed mass. The rod mill discharge is pumped, without any further water addition, to the first ball mill. The ball mill discharges to a sump where water is
June 10, 2020
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