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Ball and Rod Mills There are not many more critical pieces of equipment in the ore and mineral processing field than ball and rod mills Early in the process they are designed to withstand the constant banging and bumping of the ball charges and the solid material As the ball mill does its work grinding the ore into fine particles the
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· Maximum rod length is about 6 to 7 meters otherwise there is a risk of the rods bowing The drum diameter is limited to or times the length of the mill Rod mills are used for grinding hard minerals This type of mill is normally used as the first stage of a milling process to provide a reduced size feedstock for a further milling process
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Balls for use in mineral processing ball milling operations are designed for maximum abrasion resistance using high carbon content and high hardness levels PRODUCT SPECIFICATIONS SIZE Molycop manufactures forged grinding balls for use in ball milling and regrind applications in nominal sizes from to in diameter
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Ball mill and rod mill solutions are available here at APT providing an effective means for grinding and blending materials in preparation for mineral liberation from rock to dust APT specifies and designs the entire circuit around the mill to ensure that the target product size is achieved Ava
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The angular velocity ω is often expressed in terms of the rotational speed N w = 2Ï N/60 where w = 60νr/2Ï r The centrifugal force F c is given by Fc = mf 2Ï N/60 2 = mrN2 Centrifugal force is often expressed in the magnitude of the force with respect to the gravitation force g s
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9 mm 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 added before the slurry is pumped to the first cyclone Cylcone 1 See Figure 1 for a schematic of the process flow
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Widely used in cement silicate new construction material refractory material chemical fertilizer ferrous metal and non ferrous metal as well as ceramics etc Widely applied to dry or wet grinding for ores and rocks Processing Materials iron ore copper ore gold ore limestone calcite barite dolomite potassium feldspar marble talcum gypsum etc
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· Ball mill and rod mill are suitable for different materials 1 Selection by material s hardness Ball mill has a strong adaptation of material and it is suitable for grinding hard materials such as slag iron ore copper ore etc Rod mill is suitable for grinding brittle material such as rare metals 2
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ALLIS MINERAL SYSTEMS AUSTRALIA 10 10 x 16 x Rod Mill with 710 kW 950 hp motor Manufacturer ALLIS MINERAL SYSTEMS AUSTRALIA Inventory ID 6C 228
Get PriceNot widely used also being replaced by cone generally a rod mill is used Feed size as large as 50 mm product size as fine as 300 microns 1000 microns = 1 mm ii Secondary Fine grinding generally a ball mill is used Feed size as large therefore not ready for mineral processing If the grinding is more than necessary
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XMB series rod ball mill is an efficient laboratory grinding equipment for wet grinding of ore or other materials Steel balls can be used as grinding medium instead of steel rods GTEK LABORATORY China s best laboratory minging equipment supplier
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A mill is a device that breaks solid materials into smaller pieces by grinding crushing or cutting Such comminution is an important unit operation in many are many different types of mills and many types of materials processed in them Historically mills were powered by hand or by animals via a hand crank working animal horse mill wind or water
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Outotec Minerals Processing Solutions Sustainable Use of Earth s Natural Resources SAG mills rod mills ball mills and pebble mills A wide variety of mill designs are available to suit your specifications in either greenfield projects or existing operations as upgrades
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Ball and Rod Mills There are not many more critical pieces of equipment in the ore and mineral processing field than ball and rod mills Early in the process they are designed to withstand the constant banging and bumping of the ball charges and the solid material As the ball mill
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· Using smaller rod diameter and reducing the mill feed size will optimize energy use in coarse grinding 119 Introduction Rod grinding is widely used in many mineral processing plants performing coarse grinding since it is more efficient than ball grinding for this purpose [1]
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In Mineral Processing Design and Operations Second Edition 2016 Abstract To liberate minerals from sparsely distributed and depleting the ore bodies finer grinding than generally obtained by the conventional Rod Mill Ball Mill grinding circuits is needed
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· Ball mill and rod mill are suitable for different materials 1 Selection by material s hardness Ball mill has a strong adaptation of material and it is suitable for grinding hard materials such as slag iron ore copper ore etc Rod mill is suitable for grinding brittle material such as rare metals 2
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Laboratory Rod Mill is a lab grinding equipment for wet or dry grinding of ore It is applied in labs for processing and fine grinding of artificial placer materials and ores in metallurgical building material chemical light coal water conservancy electric power agricultural and geological industries
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For example assume that raw ore is a two component system comprised of a valued mineral and host rock having relative densities of and respectively The amount of valued mineral is 30% of the total Solid Mass M Mineral Host Rock 30
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Ball mill and rod mill solutions are available here at APT providing an effective means for grinding and blending materials in preparation for mineral liberation from rock to dust APT specifies and designs the entire circuit around the mill to ensure that the target product size is achieved Ava
Get Price
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