### Rod Mill an overview ScienceDirect Topics

JeanPaul Duroudier in Size Reduction of Divided Solids 2016. 3.7.4 Performance. Rod mills are used in an open circuit between crushing and the ball mill. They often operate in wet and where the pulp contains up to 50% solid by mass. This machine is equally very applicable to dry where it could take a feed that has achieved 6% moisture.

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Effect on Rod Mill Power DrawLive Chat### Rod Mills Metallurgist Mineral Processing Engineer

A rod mill uses steel rods as the grinding media in tumbling mills is an efficient means to feed ball mills a product finer than could be made in a crusher but coarser than could be made in a ball mill. The principal use for rod mills which were invented to make ball mill feed in a wetgrinding rod millball mill circuit. Rod mills came into use in the United States beginning in 1900s and

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Besides dissipating a significant fraction of the total energy consumed by the mill (for example the outer row of 50 mm diameter balls in a 4 meter diameter mill consumes close to one tenth of

Live Chat### Reduction Ratio an overview ScienceDirect Topics

The reduction ratio R in rod mills varies from 2 and 20 depending on the characteristics of the ore.The usual reduction ratio is about 8. According to Bond [4] the reduction ratio is a function of length and diameter of the mill. The optimum reduction ratio R RO can be written as

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The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill. 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.

Live Chat### Rod mills how they function

Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded. For an equivalent grind a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. The rod charge must be maintained in good working condition and broken and worn rods must be removed. Rod

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Rod Mill The grinding media in a Rod mill are long rods of particular material which grind the ore by tumbling within the mill. The grinding action is by line contact between the long rods. There is a very minimal slime production since rods tumble and spin in roughly parallel alignment and produce size reduction of coarse ores efficiently.

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