the laboratory ball milling machine and mill for 30 minutes. 5. The test and the reference ores from the laboratory ball mill machine were sized and each sieve fraction was weighed and the value noted as the product or discharge. 6. Sieve analysis. The ground samples were sieved into the following sieve size
Get PriceBond work index is estimated by using a standard bond ball mil.. In this study, one special ball mill was used to perform bond tests by which bond work index can be precisely obtained. This ball mill was designed and set up by Nematollahi [15], and is commonly called calibrated bond ball mill . Get Price
Get Pricebond ball mill ore machine plant. Mill Ball Mill Closed circuit crushing to 16 mm Open circuit 8 dia rod mill to 1 mm Closed circuit 8 dia ball mill to P80 um The ore Test Work Index Circuit Operating Work Index 9 The Standard Bond Circuit Coarse Ore Bins Fine Ore Bins Screen Crushing Screen Classification Rod Mill Ball Mill THIS IS THE
Get Priceground using the laboratory ball mill grinding machine. 80% passing size for the iron ore marble and granite samples were obtained at 100 μ m sieve size for the feeds and products. The
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Get PriceBond index is useful in designing of grinding system in mineral processing. In this study, the Bond work index of Birnin- Gwari iron ore in northern Nigeria is determined using modified Bond’s method using ‘reference ore’. Samples of iron ore were sourced using random method, reference minerals; marble and granite of known weight and iron ore of known weight were ground using the
Get Price4. The “feed” test and reference ore were each gathered together and introduced into laboratory ball mill machine and ground for one hour. 5. The test and the reference ores from the laboratory ball mill machine were sized and each sieve fraction was weighed
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Get Pricegrinding the reference and test ore with the same particle size distribution under the same grinding conditions. Typical feed load and mill speed in practice were used in order to make the grinding environment as close as possible to that in large scale grinding. The Bond’s work index of Baban Tsauni (Nigeria) ore was found to be 11.52kWh/tonne
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Get Pricespecification of the Bond mill are given in Table 1. Table 1. Bond's mill specification and grinding conditions Mill diameter, D m, cm 30.48 Mill Length, L m, cm 30.48 Number of mill rotations in minutes, n, min-1 70 Mill balls weight, M b, kg 21.125 Geometry of mill liner smooth Grinding type dry V ore, cm 3
Get PriceDec 22, 2014 For design purposes, you need an estimation or prediction of your SAG Mill’s tonnage; well, there are 3 ways to generate good rock “ore” hardness testing data for SAG and ball mill circuit grindability from half drill core. We can abbreviate the discussion by saying there are three “religions” of grinding, and there are small-scale tests suitable for all three of the major religions
Get Pricethe laboratory ball milling machine and mill for 30 minutes. 5. The test and the reference ores from the laboratory ball mill machine were sized and each sieve fraction was weighed and the value noted as the product or discharge. 6. Sieve analysis. The ground samples were sieved into the following sieve size
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