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Based on bonds crushing law the power required to crush ,In crushing a certain ore, the feed is such 80% is less than 50.8 mm in size and the product size is such that 80% is less than 6.35 mm. the power required is 89.5 kw. use the bond equation. the power required using the same feed so that 80% is less than 3.18 mm is
In crushing a certain ore, the feed is such 80% is less than 50.8 mm in size and the product size is such that 80% is less than 6.35 mm. the power required is 89.5 kw. use the bond equation. the power required using the same feed so that 80% is less than 3.18 mm isthe author has derived new equations of crushing kinetics, expressing the variation of the sieve residue surface, relative to that of the grains of the control size, with the crushing time. the use of these equations enables one to calculate the increase in mill output according to the degree of decrease in the initial ore size, its hardness, and the crushing size.when we apply the bond equation we found that cwi 21,54 kwht. and the cwi 27,4 kwht. My question is: there is same correction factor that we must apply on bond equation? for your information if you need it: rwi 19,3 kwht; bwi kwht; rod transfer size 886 final size thank you for your help
bonds equation crushing newest crusher, grinding mill bond crushing and grinding calculations bond 1962 crushing and grinding efficiency correction factors are applied with the bond equation. bond crushing machine ore crusher,ore crushing plant,ore bond crushing work index pakistan cement ball mill is used to grind mar 19, 2017 the crusher throw is defined as the distance in the direction of compression the moving crushing surfacesplates travel from oss to css. throw oss css. oss and css will define a crushers performance. the throw of the crusher is the distance that moving jaw moves in going from oss to css. the capacity is a function of size and oss.ball mill bond work index for limestone gold ore crusher. ball mill bond work index for limestone. the zenith is the professional gold mining equipments manufacturer in the world, located in china,india, along with other more detailed
jan 01, 2016 the lower opening close set was 102 mm and the maximum bottom opening was 330 mm. the gape was 813 mm and the width of hopper 1067 mm. 90% of the ore commenced crushing 200 mm from the bottom of the crusher. the bond index was estimated as kwht. assuming that the density of the limestone was 2.6 tm determinebond work index uses in gold processing crusher in india. bond crushing work index of copper slag values of bond crushing work index will vary from a kwht for laterite hardcap through to kwht for banded iron jan 01, 2016 smooth surfaced roll crusher had a roll diameter of 910 mm. its suitability to crush an ore at 10.0 th was being examined. preliminary examination showed that the kinetic friction factor was 0.36 when the speed of revolution was rpm. the average diameter of particles fed to the crusher was 200 mm and the s.g. of the ore was 2.8. estimate:
wic bond impact crushing test work index auxiliary equipment power is excluded. forming with the same efficiency as the bond standard circuit in accor-dance with the correlation that bond establishedcomparative bond work index data were supplied by frank van der meer, evert lessing and ric stocco of weir minerals hence the bond ball mill test should be modified when applied to the grindability of hpgr product figure shows the product of progressive crushing to 100% 335 mm and the product of a hpgr lockedcycle energy required to crush coarse materials according to bonds law calculates the energy needed to crush raw materials such that they pass through a sieve aperture of lower diameter and is represented as 0.5-0.5) or work index 0.5-0.5).work index always means the equivalent amount of
formula book cement industries free download as pdf file the clinker is hard to burn and often shows the chapter ball mill charge volume HD 0.211 0.202 energy efficiency improvement opportunities for the cement industryhours ago copper mountain mining shares jumped in early trading monday after the company released strong first-quarter financial and operating results. the mining company posted record quarterly designed by f.c. bond for use by cement companies and quality control laboratories throughout the world. meets the f.c. bond grindability test criterion. can be used in calculating the grindability of all ore.
feb 26, 2014 case study: pre- crushing troilus mine 150 mm is pre-crushed using an HP 700 cone crusher production increase and operating cost decreased. kidston mine all primary crusher ore is pre screened to remove fines all mm oversize is crushed at maximum reduction ratio to deliver maximum fines.
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