# Ball Mill Specific Energy Calculate

### Calculation of energy required for grinding in a ball mill ...

Jan 01, 1989· 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.

### Calculation of energy required for grinding in a ball mill ...

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 ...

### MODELING THE SPECIFIC GRINDING ENERGY AND BALL-MILL …

2 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)

### calculate effective energy ball milling - Conster Machinery

BM Ball mill specific energy from T 80 17 mm to final product P 80 using Bond’s Law kWht W T Total grinding mill circuit specific energy kWht Note that K BM is the composite of EF3 EF4 and EF5 factors for ball milling Rowland 1982 Morrell and SMCC Morrell 2004 developed a methodology for predicting specific energy with +

### SPECIFIC COMMINUTION ENERGY - SMC Testing

Semi-autogenous (SAG), rod and ball mills. As well as the total specific energy it will also predict the specific energy of the crushing section, the HPGR section and the tumbling mill section separately. Hence, for example, in the case of an SABC circuit the total specific energy of the entire

### Modelling SAG milling power and specific energy ...

Especiﬁc energy modelling SAG mills operation data abstract Comminution, particularly milling, is on average the largest consumer of energy in mining. Actual com-minution circuits consist in most of the cases in coarse crushing, SAG milling, pebble crushing and sec-ondary ball milling. In these circuits the SAG mill is the largest energy ...

### 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 type of circuit open/closed ...

### calculate effective energy ball milling

SPECIFIC COMMINUTION ENERGY SMC Testing. Semiautogenous sag, rod and ball mills as well as the total specific energy it will also predict the specific energy of the crushing section, the hpgr section and the tumbling mill section separately hence, for example, in the case of an sabc circuit the total specific energy of the entire

### ball mill specific energy calculator xls

ball mill specific energy calculator xls As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.

### calculate effective energy ball milling - Conster Machinery

BM Ball mill specific energy from T 80 17 mm to final product P 80 using Bond’s Law kWht W T Total grinding mill circuit specific energy kWht Note that K BM is the composite of EF3 EF4 and EF5 factors for ball milling Rowland 1982 Morrell and SMCC Morrell 2004 developed a methodology for predicting specific energy with +

### how to calculate the energy consumption of a ball mill

Correlations for the Grindability of the Ball Mill As a Measure of Its ... Ball mill is vital equipment in industries viz. mineral dressing, ore processing, ... increase efficiency of the mill one would have to tune the rotation velocity so ... Based on this equation it is possible to calculate, for example, the specific energy. Read more

### AG/SAG/Ball Mill - metengineer.com

AG/SAG/Ball Mill Sizing Gross Power Draw and Specific Energy Calculator for Autogenous Grinding (AG), Semi-Autogenous Grinding (SAG) and Ball Mills. Exit Mill Calculator. Shell Sizing Parameters. Parameters. Value . Value . Mill Shell Inside Diameter: [m] [ft]

### 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 type of circuit open/closed ...

### Ball Mill Design/Power Calculation - LinkedIn

Dec 12, 2016· 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 ...

### Modelling SAG milling power and specific energy ...

Especiﬁc energy modelling SAG mills operation data abstract Comminution, particularly milling, is on average the largest consumer of energy in mining. Actual com-minution circuits consist in most of the cases in coarse crushing, SAG milling, pebble crushing and sec-ondary ball milling. In these circuits the SAG mill is the largest energy ...

### calculate effective energy ball milling

SPECIFIC COMMINUTION ENERGY SMC Testing. Semiautogenous sag, rod and ball mills as well as the total specific energy it will also predict the specific energy of the crushing section, the hpgr section and the tumbling mill section separately hence, for example, in the case of an sabc circuit the total specific energy of the entire

### Orway Mineral Consultants Canada Ltd. Mississauga, ON ...

factors for feed size and pebble ing are applied to the AG/SAG specific energy, as well as specific crush energy adjustment from 1.7 mm to the mill transfer size T 80 using Bond’s Law (Starkey & Larbi, 2012). The Bond equation is used to calculate ball mill specific energy from T …

### Bond formula for the grinding balls size calculation

Oct 19, 2017· Wi — specific energy consumption, kW*h/ton; C — the mill drum rotational speed,% of the critical speed; D — the mill internal diameter, m. At result B = 25mm or less necessary to use the correction factor 1.3, i.e. the grinding balls average diameter should be 32.5 mm in the feed mixture.

### (PDF) Determination of correlation between specific energy ...

Keeping the vibration values on the main driving motors less than 4 mm/s by periodical maintenance, the specific electrical energy consumption of the mill has reduced by 2.16% to 24.97 kWh/ton ...

### How to calculate cement ball mill capacity - Quora

Jan 30, 2018· You can ask your vendor who made this machine. It’s difficulty to calculate capacity of a machine or maximum capacity. It’s depend on a lot of parameters. But you ...

### Rod Mill Design & Power Draw

The following equation is used to determine the power that a rod mill should draw. The Bottom Table lists many of the common size rod mills giving speed, loading and power data. The rod mill motor power is in horsepower at the mill pinion-shaft. For different length rod mills power varies directly as rod length. For difference between new and worn liners increase power draw by 6%, and adjust ...

### 20150821 Morrell Method-GMG-ICE-v01-r01 Morrell method …

C.2.4 Fine Particle Tumbling Mill Specific Energy 11 C.2.5 Total Net Comminution Specific Energy 12 C.3 Conventional Crushing/Ball Mill Circuit 12

### Solved: A Ball Mill Has A 8 Ton Capacity, Which Has 40 Kw ...

A ball mill has a 8 ton capacity, which has 40 kw energy during operation. Feeding materials amount of 80% sieved from 15 mm sieve grinding materials amount of 80%sieved from 0.6 mm sieve. Fort he same amount of material grinding and finer product, need to amount of 80% sieved 0.4mm. Please calculate the ball mill energy acording to new condition.

### calculate effective energy ball milling - Conster Machinery

BM Ball mill specific energy from T 80 17 mm to final product P 80 using Bond’s Law kWht W T Total grinding mill circuit specific energy kWht Note that K BM is the composite of EF3 EF4 and EF5 factors for ball milling Rowland 1982 Morrell and SMCC Morrell 2004 developed a methodology for predicting specific energy with +

### how to calculate the energy consumption of a ball mill

Correlations for the Grindability of the Ball Mill As a Measure of Its ... Ball mill is vital equipment in industries viz. mineral dressing, ore processing, ... increase efficiency of the mill one would have to tune the rotation velocity so ... Based on this equation it is possible to calculate, for example, the specific energy. Read more

### Ball Mill Design/Power Calculation - LinkedIn

Dec 12, 2016· 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 ...

### Modelling SAG milling power and specific energy ...

Especiﬁc energy modelling SAG mills operation data abstract Comminution, particularly milling, is on average the largest consumer of energy in mining. Actual com-minution circuits consist in most of the cases in coarse crushing, SAG milling, pebble crushing and sec-ondary ball milling. In these circuits the SAG mill is the largest energy ...

### Orway Mineral Consultants Canada Ltd. Mississauga, ON ...

factors for feed size and pebble ing are applied to the AG/SAG specific energy, as well as specific crush energy adjustment from 1.7 mm to the mill transfer size T 80 using Bond’s Law (Starkey & Larbi, 2012). The Bond equation is used to calculate ball mill specific energy from T …

### 20150821 Morrell Method-GMG-ICE-v01-r01 Morrell method …

C.2.4 Fine Particle Tumbling Mill Specific Energy 11 C.2.5 Total Net Comminution Specific Energy 12 C.3 Conventional Crushing/Ball Mill Circuit 12

### 20150505 Bond Efficiency-GMG-ICE-v1-r04 Determining the ...

• Calculate the work or specific energy input from the size reduction equipment power and circuit tonnage (equation 1). Auxiliary equipment power is excluded. P W = ––– (1) T Where, W is the specific work input (kWh/t), P is the equip- ... Ball Mill, or High Pressure Grinding Roll-Ball Mill) 8.56

### MECHANICAL OPERATION LAB MANUAL

1. BALL MILL AIM: To determine the energy required for crushing the given feed and thus obtain the work index for the same. Also determine the reduction ration and critical speed of the mill. THEORY: The ball mill is classified as an intermediate and fine grinder where the action of the grinding is based on impact and attrition.

### Rod Mill Design & Power Draw

The following equation is used to determine the power that a rod mill should draw. The Bottom Table lists many of the common size rod mills giving speed, loading and power data. The rod mill motor power is in horsepower at the mill pinion-shaft. For different length rod mills power varies directly as rod length. For difference between new and worn liners increase power draw by 6%, and adjust ...

### The influence of mill speed and pulp density on the ...

The pilot mill is also equipped with a sensor measuring the ‘ball and pulp toe and shoulder angles’ (see Figure 3). These data are then used to calculate the total pulp and ball charge angle (see Graph 5). Graph 5 clearly illustrates how the ball charge stays quite compact till about 73% solids as the total media angle does not change.

### How to calculate cement ball mill capacity - Quora

Jan 30, 2018· You can ask your vendor who made this machine. It’s difficulty to calculate capacity of a machine or maximum capacity. It’s depend on a lot of parameters. But you ...

### The effect of grinding media J performance on milling and ...

the efficiency of the specific energy, which is transferred to the particle of the milling product and influence the product quality and fineness of the product. A combination of both models leads to a relation between the parameters of specific energy, power input into the mill, and the production capacity. That means, in detail, that the

### AMIT 135: Lesson 7 Ball Mills & Circuits – Mining Mill ...

For overflow ball mills, the charge should not exceed 45% of the mill volume . For grate discharge mills, the charge should occupy about 50% of the mill volume . Bond developed a relationship that can be used to determine the percent charge by volume as a function of the vertical height above the charge, He, and the radius of the mill, R, i.e.,

### A Method of Calculating Autogenous/ Semi-Autogenous ...

This test now includes a Bond Ball mill work index test. The Macpherson test is still being offered by some testing facilities. This dry test requires at least 180 kg of material. Morrell (2004) formulated an AG/SAG specific energy generator based on a drop weight index Value (DWi).