The Journal of The South African Institute of Mining and Metallurgy JULY165 Introduction There are six parallel conventional milling circuits at Palabora Mining Company. Each milling circuit consists of a rod mill followed by a ball mill in series. Crusher product (9 mm) is fed to the rod mill, and the water is fed in ratio to the ore

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Get PriceMar 02, · 3.1. Industrial Ball Mill The ball mill utilized in the sampling survey has an inside diameter of 7.3 m and length of 9.6 m and is run in open circuit. Under normal operating conditions, the mill ball loading is 30% of total mill volume, mill rotational speed is 75% of critical speed, slurry solids concentration is 75%, solids feed rate is 330 tph.

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Get PriceMar 01, · Powder Technology, 47 () 8796 Mathematical Model of Ball Wear in Grinding Mills 1. ZeroOrder Wear Rate J. MENACHO Mining and Metallurgical Research Center, CIMM, Casilla 170, Correo 10, Santiago (Chile) and F. CONCHA Department of Metallurgical Engineering, University of Concepcion, Casilla 53C, Concepcion (Chile) (Received November 6, ) 87 SUMMARY Using a .

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