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Influence of an organic polymer in ball-mill grinding of ...

"Research was done by the Bureau of Mines to determine the effect of a low-molecular-weight polymer on wet grinding of quartz, dolomite, and a copper ore. A 5-in ball mill equipped with a torque sensor for precise measurement of input energy was used for batch grinding tests.

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Influence of an Organic Polymer in Ball-Mill Grinding of ...

INFLUENCE OF AN ORGANIC POLYMER IN BALL-MILL GRINDING OF QUARTZ, DOLOMITE, AND COPPER ORE By A. R. Rule, 1 A. J. Fergus,2 and C. B. Daellenbach3 ABSTRACT Research was done by the Bureau of Mines to determine the effect of a low-molecular-weight polymer on wet grinding of quartz, dolomite, and a copper ore.

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The Copper Mountain ball mills are 7315 mm [24 feet] in diameter and 12040 mm [39.5 feet] long. They are overflow discharge ball mills with inside diameters of 7315 mm [24 feet] and grinding lengths of 11887 mm [39 feet]. Each Ball mill is also driven by two 8,500 horsepower ABB motors. Figure 3 - The 24' x 39.5' ball mill

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Sep 01, 2013· For this study, materials (copper sulphide ore) were sampled from the SAG mill feed in Sungun copper concentrator plant. The density of ore was 2.8 g/cm 3.The ore was crushed in a laboratory scale jaw crusher and roll crusher successively to prepare materials for ball mill grinding …

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Research was done by the Bureau of Mines to determine the effect of a low-molecular-weight polymer on wet grinding of quartz, dolomite, and a copper ore. A 5-in ball mill equipped with a torque sensor for precise measurement of input energy was used for batch grinding tests. Grinding parameters were determined from size distribution data on the feed material and ground product.

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Mar 23, 2021· 3. Analysis of Variant Ball Mill Drive Systems The basic element of a ball mill is the drum, in which the milling process takes place (Figure1). The length of the drum in the analyzed mill (without the lining) is 3.6 m, and the internal diameter is 3.4 m. The mass of the drum without the grinding media is 84 Mg.

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A Ball Mill grinds material by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground. The rotation is usually between 4 to 20 revolutions per minute, depending upon the diameter of the mill. The larger the diameter, the slower the rotation.

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Influence of an Organic Polymer in Ball-Mill Grinding of ...

INFLUENCE OF AN ORGANIC POLYMER IN BALL-MILL GRINDING OF QUARTZ, DOLOMITE, AND COPPER ORE By A. R. Rule, 1 A. J. Fergus,2 and C. B. Daellenbach 3 ABSTRACT Research was done by the Bureau of Mines to determine the effect of a

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Apr 11, 2017· The rapid development of ball-mill grinding must also be attributed to the adoption of the flotation process, since it was the incentive for developing grinding methods which produced considerable copper minerals too finely divided for successful recovery by existing gravity methods.

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ore per day in six overflow ball mills. The concentrate is transported to a smelter a few miles away. The crushed ore from primary and secondary ores is conveyed into bins. The ore from the bins is fed into the ball mill using a conveyor belt. The ball mill grinding circuit is illustrated in Figure 2. % Solids 78.9 Circulating Load 474% Advance ...

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May 21, 2017· Grinding and Flotation. Fine ore at minus 19mm (¾") sizing is fed at a controlled rate into the open-circuit 2600mm x 3960mm (8'-6 x 13'-0) Hardinge rod mill at an average feed rate of 2,106 STPD or 87.75 STRH. Rod mill discharge at a nominal size of minus 16 mesh and a pulp density of 75 percent solids combines with ball mill discharge ...

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1) Ball Mill is an efficient tool for grinding many materials into fine powder; 2) The ball mill is used to grind many kinds of mine and other materials, or to select the mine; 3) Ball mill is widely used in building material, and chemical industry. 4) There are two ways of grinding: the dry way and the wet way.

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Dec 24, 2017· A section of a commercial ore grinding operation is shown in figure 1. This section consists of 13 rod mills and 26 ball mills, which are on the left of the picture. Each ball mill weighs more than 150 st, processes 85 st of ore per hour containing approximately 1,000 lb of copper and consumes approximately 95 lb of grinding balls during that time.

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Ball mill for copper grinding processing. Grinding – Ball Mills. The ore would then flow into ball mills similar to the rod mills. Steel balls inside the ball mills were about the size and weight of a shot-put ball. These grinding mills rotated anywhere form 1 to 5 times per second. The end product of the milling process is ore ground to the ...

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Mill Copper Ore Grinding - Lebanonmtbtrailscoza. Copper ore grinding in a mobile vertical roller mill pilot. Mar 10 2015 0183 32 Within the scope of the study ore grinding performance of the vertical roller mill was investigated with mobile pilot plant In this context chalcopyrite ore of a plant having rod and ball milling circuit was ground under different operating modes eg air swept and ...