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Processing capacity:46-375t/h
Feeding size:≤10mm
Appliable Materials: cement,silicate,refractory material,non-ferrous metal,copper mine,cement clinker etc. All grindable materials, various metal ores, non-metallic ores, non-flammable and explosive materials
Theball mill work indexlaboratory test is conducted by grinding an ore sample prepared to 100 passing 336 mm 6 mesh to product size in the range of 45150 m 325100 mesh thus determining theball mill work indexwi b or bwi the work index calculations across a narrow size range are conducted using the appropriate laboratory work index determination for the
Get PriceThis grindability test orbond ball mill work indexprocedure is used to determine thebond work indexof minus six mesh or finer feed ore samples these equation application methods are used to process 12 ore samples in aball millusing a standardballcharge below describes in general terms thebond work indexprocedure used by a professional metallurgical testing
Get PriceThe bond ball mill work index is one of the most commonly used grindability tests in mining and is often referred to as the bond work index the test is a lockedcycle test where ground product is removed from test cycles and replaced by fresh feed the test much achieve a steadystate before completion
Get PriceThe bond ball mill work index bbwi test is carried out in a standardised ball mill with a predefined media and ore charge the work index calculated from the testing can be used in the design and analysis of ball mill circuits the test requires a minimum of 10kg of sample that has been stagecrushed to 100 passing size of 335 mm
Get PriceThis study aims to develop a new approach toward estimating thebond ball mill work indexbbwi by applying a series of kinetic grinding tests withbondstandardmill thebond work index
Get PriceThe test determines the bond ball mill work index which is used with bonds third theory of comminution to calculate net power requirements various correction factors may have to be applied w wi 10p 10f where w net power consumption in kwht wi bond work index either imperial or metric units
Get PriceRod mill work index is used in the sagmillingcom bondbarratt specific energy consumption model the work index is used to calculate the energy requirement to grind rocks in the medium size range from10 mm 20 mmdown to about 2 mm
Get PriceThe rod mill work index rwi is used for particle size determination in a size range from 25 mm down to 21 mm whereas ball mill work index bwi is used for the range from 21 mm down to 100 m adjustment of grinding parameters
Get PriceThebond ball mill work indexbbwi test is carried out in a standardisedball millwith a predefined media and ore charge thework indexcalculated from the testing can be used in the design and analysis ofball millcircuits
Get PriceThebondsballmill work indexis a measure of the resistance of the material to grinding in aball mill thisindexis widely used in the industry for comparing the resistance of different materials toball milling for estimating the energy required for grinding and forball millscaleup
Get PriceThe grinding jar for thebond indexrodmillis 12 x 24 in size and has a waveshaped design at least 15 to 20 kg sample material is required to simulate a closed grinding circuit in aballor rodmill the rodmill work indexrwi is used for particle size determination in a size range from 25 mm down to 21 mm whereasball mill work
Get PriceThis study aims to develop a new approach toward estimating thebond ball mill work indexbbwi by applying a series of kinetic grinding tests withbondstandardmill thebond work index
Get PriceOct 15 2015bond work indexbwi hardgrove grindability index hgi testsfor biomass coal bwi can predict the potential formillchoking of biomass in a tube andball mill hgi is a poor method of predicting grindability of biomass in vertical spindlemills pellets should be composed of predensified particles close to the target size
Get PriceDec 04 2020 the laboratory procedure for running abond ball mill work indextest requires that the operator choose a closing screen sieve size the instruction is
Get PriceBonds rodmillforwork indexbondrodindex mill12 x 24 consisting of a one 1 piece cast shell complete with integral wave 1 hp 360220 volt motorgear reducer drive support frame which allows themillto tilt 5 degrees during operation and 45 degrees for discharge manual we are a professional mining machinery manufacturer the main equipment including jaw crusher cone
Get PriceProcedure for determination ofball bond work indexin 1 introduction abond ball mill work indextest is a standard test for determining theball mill work indexof a sample of ore it was developed by fredbondin 1952 and modified in 1961 jkmrc co 2006thisindexis widely used in the mineral industry for comparing the resistance of different
Get PriceBond ball mill work indexcustomer case thebond work indexis a measure of ore resistance to crushing and grinding and is determined using thebondgrindability test its value constitutes ore characteristic and is used for industrial comminution plants designing determining thebond work indexvalue is quite complicated timeconsuming and requires trained operating personnel and
Get PriceThe article presents the review studies and classification of the existing methods of thebond ball mill work indexdetermination the scope of the analysis embraces the methods of aksani and snmez todorovi berry and bruce horst and bassarear ahmadi kapur gharehgheshlagh lewis magdalinovich karra smith and lee armstrong as well jktech and aminpro approaches
Get PriceOct 24 2018 thework indexcan either be measured in the laboratory thebond ball mill work indexdetermination is a common example or it can be calculated from the operating performance of amilling
Get PriceMilldiameter mineral densitywork indexbondestimated the amount of wear in terms of kilograms per kwh based on the abrasionindex a ie wetball mill kg kwh 016a i0015 033 dryball mill kg kwh 0023a i 05 replacementballsize
Get Price2 thebond work indexrefers to the measure of the materials hardness or resistance to crushing and grinding and is numerically expressed as the kilowatt hours per short ton required to reduce the material from theoretically infinite feed size to 80 passing 100 m 2 it is calculated using the equation below w i 445 p i 0
Get PriceThis test determines thebond ball mill work index which can be used withbonds third theory of comminution to calculate net power requirements for sizingball mills the test is a closedcircuit dry grindability test is run in a standardball mill and can be performed at sizes ranging from 595 mm to 37 microns
Get PriceInternationally accepted mineral metallurgical standard test procedures to determine the physical properties of ores include thebond ball mill work indexand thebondrodmill work index these are empirical indices determined by close circuit grindability tests developed by fcbond
Get PriceSafety is a prime consideration for all alsto equipment and thebond index ball millis supplied equipped with acoustic enclosure theball millis designed to accept aballcharge in accordance with f cbonds standard thisballcharge consists of 286 balls as follows 44 x 35mm balls 67 x 30mm balls 10 x 254mm balls 71 x 1905mm balls and
Get PriceStandardbond ball millgrindability test methodprocedure standardbond ball millgrindability test methodprocedure here is the old allischalmersbond work indexgrindability 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
Get PriceProcedure for determination ofball bond work indexin 1 introduction abond ball mill work indextest is a standard test for determining theball mill work indexof a sample of ore it was developed by fredbondin 1952 and modified in 1961 jkmrc co 2006thisindexis widely used in the mineral industry for comparing the resistance of different
Get PriceAbond ball mill work indexmay also be used in the simulation and optimisation of existingmillsand the associated grinding circuits sample requirements a minimum of 8 kg of material crushed to nominally minus 10 mm is preferred jktech would stage crush the sample to minus 335 mm as required for thebond ball mill work indextest feed
Get PriceBond ball millgrindability testthebond ball mill work indexbbwi test is carried out in a standardisedball millwith a predefined media and ore chargethework indexcalculated from the testing can be used in the design and analysis ofball millcircuitsthe test requires a minimum of 10kg of sample that has been stagecrushed to 100
Get PriceOct 19 2017 the grinding balls diameter determined by thebondformula has a recommendatory character and serves as a starting point for calculating the necessary proportion grinding media feeding a newmill more precisely adjust theballload in themillcan only by industrial test performing
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