Since for the ball mill design we are using 80 passing, the required value of C2 for the ball mill will be equal to1.20. C3 is the correction factor for mill diameter and is given as 3 = 2.44 0.2 (3) However, it is important to note that C3 =0.914 vessel used in producing the ball mill was got from a.
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Read MoreMills grinding equations. LG A mill power equation for SAG mills Minerals and Metallurgical Processing Feb 1990 pp5762 Gross power No load power Net power drawn by the charge 813 The net power is calculated from Net power KD25L e c Watts 814 In equation 814 D is the diameter inside the mill liners and Le is the effective length of the mill including the.
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Read MoreLG A mill power equation for SAG mills. Minerals and Metallurgical Processing. Feb 1990 pp57 62. Gross power No load power Net power drawn by the charge (8.13) The net power is calculated from Net power KD2.5L e! c. Watts (8.14) In equation 8.14, D is the diameter inside the mill liners and Le is the effective length of the mill including the.
Read MoreFor overflow ball mills, the charge should not exceed 45 of the mill volume . For grate discharge mills, the charge should occupy about 50 of the mill volume . Bond developed a relationship that can be used to determine the percent charge by volume as a function of the vertical height above the charge, He, and the radius of the mill, R, i.e.,.
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