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Laws of comminution - NPTEL. Bond, so we are having three laws of comminution and we call it Kicks law, Rittingers law, and. Bonds . So if we consider the Kicks law the energy consumption while crushing 200 mm material to 50 mm as well as 2 .. size, it means when we consider very large size feed 1/√df is negligible and thus the equation satisfies.
Relating the efficiency of comminution equipment to energy use that only depends on the feed size (F 80), product size (P 80), size distributions and Bond Work index (W i) implies an efficiency value that is not influenced by machinery design parameters, using semi-empirical models as presented below.
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See this useful summary Table of Bond Work Index by Minerals. For any circuit, whether a crushing circuit, a rod mill, or a closed ball mill circuit, the Work Index always means the equivalent amount of energy to reduce one ton of the ore from a very large size to 100 um.
Bond's law definition of Bond's law in the Free Online Encyclopedia.. A statement that relates the work required for the crushing of solid materials (for example, rocks and ore) ...bond-line formula. bondage. bondage and domination.
11 Crushing and classification Estimates vary, but it is generally accepted that of all the energy used ... Rittinger, Bond and Kick, respectively. Rittinger (1867) postulated that the energy per unit mass required is proportional to the new surface area produced, i.e. energy = (final ... where Wi is the Bond Work Index, again in energy per ...
bond crushing law definition... 3.2.2 Bond crushing law and work index,The work index, wi, is defined as the gross energy required in KWH per ton of feed to reduce a ... Read more bonds crushing law and work index - Ore process-crushing ...
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equal energy. Kick's equation is as follows:  where E is the net specific energy; x ... Kick and Bond theories might be applicable for different narrow size ranges. Kick's equation is applicable for crushing, Rittinger's equation may be used for finer grinding, and Bond's equation is applicable in the ...
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"Crushing and Grinding" in Chapter 4 Energy Consumed in the Comminution Process, page 53, Butterworths, 1974, London Approximate energy consumption in comminution, kWh/t (after Bond) Documents Similar To Bond Work Index Tables (Wi) Crushing and Grinding Calculations New.
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