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ball mill work index calculation xls

  • Ball Mill Design/Power Calculation

    Ball Mill Power Calculation Example #1. 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

  • Bond Work Index Formula-Equation

    Basic EquationsSize Distribution and Exposure RatioEquations For Work Index VariationsWork Index and Crack EnergyThe basic work index equation is:W = 10 Wi/√P – 10 Wi/√F(1)where W is the work input required in kilowatt hours per short ton to grind from 80% passing F microns to 80% passing P microns, and Wi is the work index, or the grinding resistance parameter. It represents the energy input required in kilowatt hours to reduce a short ton from theoretAfficher plus sur 911metallurgist
  • ball mill work index calc xls Pochiraju Industries Ltd

    ball mill work index calc xls. Chapter M MODELLING, SIMULATION, OPTIMIZATION 02'(//(0 Apr 19, 2013 specified rate or the simulator will calculate the water optimization tool of Excel (Figure 2). The Bond ball mill work index given by the. Get Price. Free Online Calculators for Engineers Electrical, Mechanical Welcome to CALCULATOR EDGE, an online FREE Engineering

  • How to Size a Ball Mill -Design Calculator & Formula

    The parameter Wi, known as the work index of the ore, is obtained from batch bench tests first devised by Bond (1961). The power calculated on using equation 1, (Bond, 1961; Rowland and Kjos, 1978), relates to: 1) Rod milling a rod mill with a diameter of 2.44 meters, inside new liners, grinding wet in

  • Table of Bond Work Index by Minerals

    This Table of Ball Mill Bond Work Index of Minerals is a summary as tested on ‘around the world sample’. You can find the SG of 2017-09-22T18:26:56-04:00 June 19th, 2015 Categories: Grinding Comments Off on Table of Bond Work Index by Minerals. Related Posts. Effect of Pulp Rheology on Grinding Mill Power. Gallery Effect of Pulp Rheology on Grinding Mill Power . Ball Mills. Gallery

  • Ball mill calculation xls Henan Mining Machinery

    Ball Mill Design Power Calculation . 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

  • sagdesign

    = SAG mill feed sample mass, grams The ball mill pinion energy is determined from the Bond the Third Theory of Comminution : S d-BWI = 1.102 * 44.5 (P cs 0.23 G pb 0.82) (10 P 80 1/2 10 F 80 1/2) where : S d-BWI = Bond ball mill work index on SAG ground ore, kWh/ton ground F 80 = 80% passing of SAG ground of the test feed size

  • Ball Mill Design/Power Calculation LinkedIn

    12/12/2016· Ball Mill Power Calculation Example 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

  • Small Ball Mill Capacity & Sizing Table

    No BWi Bond Work Index required here BUT be aware it is only a crude approximation for “most soft ores” from F80 1 cm to P80 700um. Ball mill design power example calculation. Calculate Ball Mill Grinding Capacity. By L D Michaud 2017-03-19T05:14:45-04:00 February 14th, 2016 Categories: Tools of a Metallurgist Tags: ball mill design, how to size a ball mill Comments Off on Small

  • Training Courses based on the Grinding Software

    7. Ball Charge Make-up Calculator 8. Ball Mill Simulation 9. Grinding Media Wear Rate Monochamber Mill 10. Grinding Media Wear Rate 2 chambers Mill 11. Marked Ball Test Calculator Section 2: Volume Load & Power Kit 12. Volume Load Calculator for 1 chamber mill 13. Volume Load Calculator for 2 chambers mill 14. Volume Load Calculator for 3

  • O. I. SKARIN N. O. TIKHONOV CALCULATION OF THE REQUIRED

    CALCULATION OF THE REQUIRED SEMIAUTOGENOUS MILL POWER BASED ON THE BOND WORK INDEXES O. I. SKARIN, for finer particles — ball milling work index BWI (Table). These indexes are readily obtained using the special-purpose laboratory equipment (Fig. 1). Finding the total specific energy consumption in the wet autogenous mill — central discharge ball mill circuit (WAM —

  • TECHNICAL NOTES 8 GRINDING R. P. King Mineral Tech

    TECHNICAL NOTES 8 GRINDING R. P. King. 8-2 &ROOLVLRQ 5ROOLQJ ZLWK QLSSLQJ Figure 8.1 Different types of grinding action by the grinding media. 7XPQEOL J 6KRXOGHU RI WKH ORDG *UDYLWDWLRQDO IRUFH ) 6WD J QDQW ]RQH J &HQWULIX J DO RUFHI ) F J,P S DFW ]RQH 7RH RI KWH RODG &DWDUDFWLQ J)FRV Figure 8.2 Media motion in the tumbling mill. 8.1

  • MODELING THE SPECIFIC GRINDING ENERGY AND BALL-MILL

    MODELLING THE SPECIFIC GRINDING ENERGY AND BALL-MILL SCALEUP Ball-mill scale up (Bond’s Law) Data: zBond work index w i zFeed D f and product d size (both 80% cumulative passing) Result: The specific grinding energy w Mill power draw P = wT, where T the mill capacity Mill dimensions (from Tables or charts) 3 Ball-mill scale up Continued Denver method Denver slide rule (circular

  • Relationships between comminution J energy and product

    facilitate the calculation of specific grinding energy. Results Table I shows the Bond ball mill work index obtained for the ore samples as well as the iron and silica content in concentrate and tail after LIMS. The concentrate weight recovery was in the order of 50–60%. Furthermore it may be observed that the Bond ball mill work indices for the ore (Wi) varies from 14.6 to 20.9 kWh/t. The

  • JKTech Laboratory Services JKTech JKTech

    JKTech Laboratory Services Bond Ball Mill Index Test (BRMWI) A Bond Ball Mill Index Test (BBMWI) is a standard test for determining the Ball Mill Work Index of a sample of ore. The BBMWI is a measure of the resistance of the material to crushing and grinding. It can be used to determine the grinding power required for a given throughput of material under ball mill grinding consitions. JKTech

  • Grinding Efficiency Of Ball Mill Calculating Equat

    Grinding efficiency of ball mill calculating equat.We have grinding efficiency of ball mill calculating equat,ball mill power calculation example 1 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

  • QUICK METHOD FOR BOND WORK INDEXAPPROXIMATE VALUE

    The aim of this study was to develop a new method for assessing the Bond work index in a ball mill (BBWI), which is based on a first order kinetics present in the Bond ball mill for grinding mineral raw materials (Austin et al., 1981; Ahmadi and Shahsavari, 2009). Theoretical basis of quick procedure Grinding of various mineral raw materials in the Bond ball mill occurs according to the first

  • Ball mill Wikipedia

    A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use in mineral dressing processes, paints, pyrotechnics, ceramics and selective laser sintering.It works on the principle of impact and attrition: size reduction is done by impact as the balls drop from near the top of the shell. A ball mill consists of a hollow cylindrical shell rotati

  • Spreadsheet-based simulation of closed ball

    In this study, It is secured calibration data for the Bond's work index of Korean desulfurization limestones according to the mining location with the standard-scale ball mill, work index were

  • (PDF) A quick method for bond work index

    The Bond work index, Wi, is defined in a Bond ball mill on the samples of standard size − 3.327 + 0 mm. In practice, it is possible to find materials of non-standard size that are finer than 3

  • O. I. SKARIN N. O. TIKHONOV CALCULATION OF THE REQUIRED

    CALCULATION OF THE REQUIRED SEMIAUTOGENOUS MILL POWER BASED ON THE BOND WORK INDEXES O. I. SKARIN, for finer particles — ball milling work index BWI (Table). These indexes are readily obtained using the special-purpose laboratory equipment (Fig. 1). Finding the total specific energy consumption in the wet autogenous mill — central discharge ball mill circuit (WAM —

  • QUICK METHOD FOR BOND WORK INDEXAPPROXIMATE VALUE

    The aim of this study was to develop a new method for assessing the Bond work index in a ball mill (BBWI), which is based on a first order kinetics present in the Bond ball mill for grinding mineral raw materials (Austin et al., 1981; Ahmadi and Shahsavari, 2009). Theoretical basis of quick procedure Grinding of various mineral raw materials in the Bond ball mill occurs according to the first

  • (PDF) Rapid determination of Bond rod-mill work

    Generally, Bond work index is a common method for selecting comminution equipment as well as estimation of grinding efficiency and calculating required power. In the current research, a simple, fast and accurate procedure is introduced to find the

  • Calculation of energy required for grinding in a

    The Bond work index, W i, as an indicator of the grindability of raw materials is not a material constant but rather it changes with change of size of the grinding product.Therefore, in practice we can expect some difficulties and errors when the energy consumption is determined according to this formula in the case when, for a given size of grinding product, the value of the work index W i

  • (PDF) A quick method for bond work index

    The Bond work index, Wi, is defined in a Bond ball mill on the samples of standard size − 3.327 + 0 mm. In practice, it is possible to find materials of non-standard size that are finer than 3

  • [Hindi] Ball Mill, Hammer mill & Critical speed of

    07/03/2018· Types of GRINDER IN HINDI, Hammer mill, Ball mill & Critical speed of Ball mill -~-~~-~~~-~~-~- Please watch: "Introduced " Crushers

  • Auteur : Chemical Pedia
  • MODELING THE SPECIFIC GRINDING ENERGY AND BALL-MILL

    MODELLING THE SPECIFIC GRINDING ENERGY AND BALL-MILL SCALEUP Ball-mill scale up (Bond’s Law) Data: zBond work index w i zFeed D f and product d size (both 80% cumulative passing) Result: The specific grinding energy w Mill power draw P = wT, where T the mill capacity Mill dimensions (from Tables or charts) 3 Ball-mill scale up Continued Denver method Denver slide rule (circular

  • Calculation of energy required for grinding in a

    Calculation of energy required for grinding in a ball mill. Int. J. Miner. Process., 25: 41-46. The Bond work index, Wi, as an indicator of the grindability of raw materials is not a material constant but rather it changes with change of size of the grinding product. Therefore, in practice we can expect some difficulties and errors when the energy consumption is determined according to this

  • Bond Ball Mill Work Index (Grindability Tests)

    19/05/2013· This video was put together by Joshua Wright and Aldo Vasquerizo as a supplemental lecture for University of Nevada Reno. If you have any questions, need adv.

  • Auteur : Joshua Wright
  • Training Courses based on the Grinding Software

    7. Ball Charge Make-up Calculator 8. Ball Mill Simulation 9. Grinding Media Wear Rate Monochamber Mill 10. Grinding Media Wear Rate 2 chambers Mill 11. Marked Ball Test Calculator Section 2: Volume Load & Power Kit 12. Volume Load Calculator for 1 chamber mill 13. Volume Load Calculator for 2 chambers mill 14. Volume Load Calculator for 3

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