
C6X Series Jaw Crusher
C6X Series Jaw Crusher
Feed size：11002000mm
Yield：1601500t/h
materials： Barite, limestone, copper ore, river pebble, dolomite, manganese ore
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CI5X Series Impact Crusher
CI5X Series Impact Crusher
Feed size：2400x1920mm
Yield：2501200t/h
materials： Bentonite, granite, copper ore, river pebble, dolomite, manganese ore
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Crawler Mobile Crusher
Crawler Mobile Crusher
Feed size：560890mm
Yield：500800t/h
materials： River pebble, granite, basalt, iron ore, limestone, diabase, iron ore, gold ore, copper ore
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HPT Hydraulic Cone Crusher
HPT Hydraulic Cone Crusher
Feed size：95330mm
Yield：120855t/h
materials： River pebble, granite, basalt, iron ore, limestone, quartzite, diabase, iron ore, gold ore, copper
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LUM Vertical Roller Mill
LUM Vertical Roller Mill
Feed size：1020mm
Yield：518t/h
materials： Limestone, calcite, calcium carbonate, dolomite, barite, talc, gypsum, diabase, quartzite, bentonite
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MTW Trapezium Mill
MTW Trapezium Mill
Feed size：3050mm
Yield：355t/h
materials： Limestone, calcite, quick lime, dolomite, barite, talc, calcium carbonate, gypsum, bentonite, kaolin, petroleum coke, coal, etc.
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NK series mobile crusher
NK series mobile crusher
Feed size：550680mm
Yield：500800t/h
materials： Various metal and nonmetal ores, rocks, etc.
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VSI Vertical Shaft Impact Crusher
VSI Vertical Shaft Impact Crusher
Feed size：3545mm
Yield：120520t/h
materials： River pebble, granite, basalt, iron ore, limestone, calcite, quartzite, diabase, etc.
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Bond Work Index FormulaEquation
Basic EquationsSize Distribution and Exposure RatioEquations For Work Index VariationsWork Index and Crack EnergyThe basic index equation is:W = 10 Wi/√P 10 Wi/√F(1)where W is the input required in kilowatt hours per short ton to grind from 80% passing F microns to 80% passing P microns, and Wi is the index, or the grinding resistance parameter. It represents the energy input required in kilowatt hours to reduce a short ton from theoret在911metallurgist上查看更多信息poor grindability in ball mill
Relationships between comminution J energy and product . The standard Bond ball mill grindability test is a closed circuit dry grinding test with a 250 circulating load The standard procedural outline of the test is stated in Bond 1961 The index for a ball mill Wi is then calculated from the following equation 7 where P is the closing sieve size m Gbp is the grindability
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2020518 The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closed
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2020515 Here is the old AllisChalmers Bond Work Index Grindability Test Procedure. The standard feed is prepared by stage crushing to all passing a 6 mesh sieve, but finer feed can be used when necessary. It is screen analyzed and packed by shaking in a 1000cc graduated cylinder, and the weight of 700 cc is placed in the mill and ground dry at 250 per cent circulating load. The mill is 12 in. x 12
Bond Work Index Procedure and Method
2020518 This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples. These equation application methods are used to process <1/2″ ore samples in a Ball Mill using a standard ball charge.. Below describes in general terms the Bond Work Index Procedure used by a Professional Metallurgical Testing Laboratory.
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Ball Mill Grindability Index Gold Mine Africa. Introductions To Grindability In Metallurgy Ball mill grindability index gold mine africa50tph river stone crushing line in chile00tph granite crushing line in cameroon 250tph limestone crushing line in kenya50tph granite crushing line
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201641 Standard Grindability Tests and Calculations (New York Meeting. February 1943) SINCE the last publication of tabulated results of grindability tests by the authors1 the total number of ballmill tests made has more than doubled, and rodmill tests have becomeincreasingly important. Nearly all of the standard closedcircuit ballmill
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Alternative Approaches for Determination of Bond Work Index on the HGI values, grinding of fine grain samples involved. approach, is Bond's grindability test and the second one is Hardgrove index, which generally used for coal.In recent, the brittleness test/friability value of bauxite, limestone, barite, These studies were carried out in a standard ball mill 300 mm X 300 mm size.
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The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum 'chunk size', product size as P80 and maximum and finally the type of circuit
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Designs extend to 15 feet x 22 feet 21 feet effective though mill length is limited by manufacturing constraints for the grinding rods our rod mills are availe in diameters from 5 feet up to 15 feet designs extend to 15 feet in diameter by 21 effective,Ball Mill Screening Simulator In Pakistan.
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