A wet grinding ball mill in closed circuit is to be fed 100 TPH of a material with a work index of 15 and a size distribution of 80 passing ¼ inch 6350 microns The required product size distribution is to be 80 passing 100 mesh 149 microns In order to determine the power requirement the steps are as follows Example Calculation
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Grate Discharge mills will not face this issue C This value represents the Volumetric Fractional Filling of the Voids in between the balls by the retained slurry in the mill charge As defined this value should never exceed 100 but in some cases – particularly in Grate Discharge Mills – it
Read More +The ball mill capacity Q is obtained from the ratio of the power of the pinion required by the ball mill to the unit power consumption of the grinding product as shown in Eq 8 20 The grinding kinetic formula is presented in Eq
Read More +It effectively increases the production capacity while reducing the power consumption Compared to the traditional mill 5R Raymond mill the capacity of HC1700 grinding mill is about 25 to 4 times higher HC1700 grinding mill is a kind of large powdermaking
Read More +It is difficult to theoretically determine the productivity of the mill The grinding mill’s production capacity is generally calculated based on the newly generated powder ore of less than 0074 mm 200 mesh
Read More +Higher capacity than AG mill grinding Primary coarse grinding up to 400 mm feed size Grinding media is grinding feed plus 412 ball charge ball dia100 125 mm
Read More +Calculation of hammer mill grinding capacity calculation of hammer mill grinding capacity Fixed belt conveyor is transmission equipment with large transportation capacity Water wheel Wikipedia A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power often in a watermillA water wheel Get Price
Read More +EQUATIONS GIVING THE MILL POWER DRAW P The mill power draw P is a function of 1 The fraction of mill filling f L 2 The fraction of the mill critical speed f c 3 The apparent specific gravity of the charge ρand 4 The mill dimensions diameter D length L P f fL fC ρDL
Read More +Mills usually operate in the range 65 82 of critical but values as high as 90 are sometimes used A crucial parameter that defines the performance of a mill is the energy consumption The power supplied to the mill is used primarily to lift the load medium and charge
Read More +and ball mills have almost become obsolete in the move to higher milling rates required to process lower metal grades Grinding circuits with fully autogenous AG or semiautogenous SAG mills often combined with ball mills are now the standard to meet the high capacity requirement for processing ores with lower metal grades
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