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  • THE APPROPRIATENESS OF THE TRANSFER SIZE IN AG

    (1961) and is given in equation 1 and was originally developed for use with crusher/rod mill/ball mill circuits. W = 10 x Wi x (P-0.5 F ) (1) where W = Specific energy Wi = Work (hardness) index

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    Nov 18, 2008Equations of the design By knowing the capacity quot;Cquot; {ton} of the feed; we can get approximately the length quot;Lquot; {mm} and diameter quot;Dquot; {mm} of the batch ball mill, form **D = 124.2*(C) 485.7 **L= 85.71*(C) 1854 Volume of mill = ^2 The bulk volume of balls charge ratio to the volume of mill is known as {Filling ratio} and its range is {30-45%} ^2 _____ ** Note There is not

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    Ball Mill Design. A survey of Australian processing plants revealed a maximum ball mill diameter of 5.24 meters and length of 8.84 meters (Morrell, 1996). Autogenous mills range up to 12 meters in diameter. The length-to-diameter ratios in the previous table are for normal applications. For primary grinding,

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    The circuit consists of a 34' x 20' EGL SAG mill, a Raptor 900 pebble crusher and two 24' x 39'6" ball mills. Each mill is equipped with a 2 x 8500HP dual pinion drive system. The plant was designed to process 1585 h mtpof SAG feed. From startup, the mill struggled to meet the required production rates.

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    ball mill efficiency equation pdf samac mining crusher ball mill pdf samac laavanyain SAMAC Crusher ball mill efficiency equation . Mill (grinding) Wikipedia. Ball mill A typical type of, for ball mills typically use the following form of the Bond equation, greater the grinding efficiency Autogenous mill . design of ball mill

  • THE APPROPRIATENESS OF THE TRANSFER SIZE IN AG

    THE APPROPRIATENESS OF THE TRANSFER SIZE IN AG AND SAG MILL CIRCUIT DESIGN and was originally developed for use with crusher/rod mill/ball mill equations in the design process

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    Mill power for conical (Hardinge) type ball mills Converting the measured shaft power on the mills to the equivalent power for the cylindrical section gave a variation of mill power per unit length with respect to mill diameter of D 2.3, in agreement with the Bond mill power equation.

  • Autogenous and Semi-Autogenous Mills

    AG/SAG mills are normally used to grind run-offmine ore or primary crusher product. Feed size to the mill is limited to that size which can be practically conveyed and introduced into the mill. The mill product can either be finished size ready for processing, or an intermediate size ready for final grinding in a ball mill, pebble mill, or

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