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# calculation of specific power consumption of ball mill with

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### MODELING THE SPECIFIC GRINDING ENERGY AND BALL …

Ball mill power draw predicted from the Denver slide rule, kW 0 200 400 600 Calculated ball-mill power draw from the m odel derived, kW Data compared Line y=x Fig. 2. Comparison of the ball mill power draw from the Denver slide rule and the proposed model. Dashed line corresponds to y=x.

### (PDF) Measurement of electrical energy consumption in a ...

The specific comminution energy for milling in the Bond test mill appears to be based on 60 J/rev, which defines the net energy required in the Bond ball mill to realise the same grinding ...

### specific power consumption of ball mill

ball mill specific power consumptionNAMARI Heavy ball mill specific power consumption 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 of80 passing inch(6350 microns).

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

In many engineering projects either a power equation and/or a specific energy equation are used for the designing of these mills but not always with acceptable results. In general these equations are used to predict power consumption as a function of mill size, level …

### Specific Energy Consumption Calculation

Specific Energy Consumption Calculation S. No Newsprint Units Base Line Year (BY) Assessment Year (AY) 1 Specific Steam Consumption -MP kcal/Tonne 0 0 2 Specific Steam Consumption -LP kcal/Tonne 1921850 1995000 3 Specific Power Consumption kcal/Tonne 1423329.57 1028949.235 4 Total Specific Energy Consumption (Newsprint) kcal/Tonne 3345179.57 ...

### Cutting Power for Face Milling | MITSUBISHI MATERIALS ...

What is the cutting power required for milling tool steel at a cutting speed of 80m/min. With depth of cut 2mm, cutting width 80mm, and table feed 280mm/min by Φ250 cutter with 12 inserts. Machine coefficient 80%. （Answer） First, calculate the spindle speed in order to obtain feed per tooth. n=1000vc πDC=(1000 80) (3.14 250)=101.91min-1

### Modern Processing Techniques to minimize cost in …

mill used, i.e. ball mill or vertical roller mill. Typically, the motor of the ball mill consumes about 14 - 15 kWh/ ton of raw mix whereas the VRM motor uses 7 - 8 kWh/ ton. On an overall basis, VRM consumes about 20 % lower specific energy than conventional closed circuit ball mills and is being widely used for raw material and coal grinding ...

### Bond Work Index Formula-Equation

Apr 18, 2018 In the standard A-C closed circuit ball mill grindability test the work index is found from. where Pi is the opening in microns of the sieve mesh tested, and Gbp is the net grams of mesh undersize produced per revolution of the 12″ x 12″ test ball mill. The closed circuit 80% passing size P averages P1/log 20 for all sizes larger than 150 mesh.

### hammer mill power consumption coal

hammer mill power consumption coal abet.cl. Home hard rock screen vibrating hammer mill power consumption coal Jackson County Illinois Coal Mines and Coal Mining History It will be noted in the distribution sheet that with 9.69 working days in July 1921 the cost of power at this mine amounted to 13.36c. per ton of coal produced whereas in March. 1922 when the mine worked 21 days the power ...

### Ball Mill Design/Power Calculation - LinkedIn

Dec 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 80% passing inch (6350...

### The power consumption calculation of a ball drum mill

Current methods of power consumption calculation of a mill drive do not allow determining the power consumption for ball drum mills with a cross-longitudinal motion of the grinding media. A new...

### calculation of specific power consumption of ball mill ...

calculation of specific power consumption of ball mill with roller press Paper 27:Paper 27 - saimm estimate the energy savings that can be achieved by installing HPGR.

### power consumption for ball mill - Ath-Lotus

ball mill specific power consumption - NAMARI Heavy … ball mill specific power consumption 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 of80% passing inch(6350 microns). The required product size. Get Price

### (PDF) Measurement of electrical energy consumption in a ...

The specific comminution energy for milling in the Bond test mill appears to be based on 60 J/rev, which defines the net energy required in the Bond ball mill to realise the same grinding ...

### Charge behaviour and power consumption in ball mills ...

Aug 01, 2001 Effect of the lower cutoff of the size distribution on the specific power consumption, (a) 5 vs. 10 mm for an AG mill, and (b) 1, 2 and 5 mm cutoffs for the rock size in a ball mill. Next we consider the ball mill (rock and ball) cases with smaller cutoffs.

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

Mill Power Consumption Example. Ball mill = 3.5 m x 3.5 m; Rubber lining = 75 mm % Mill volume charge = 40%; Grinding balls diameter = 70 mm; Mill operational speed = 17.6; Calculate the optimum power consumption to operate the mill. Solution:

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

SAG milling Power modelling 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.

### Calculation Of Ton Hour For Ball Mill - YAY foto

A motor with around 1400 Horse Power is calculated needed for the designed task. Now we much select a Ball Mill that will draw this power.. The ball mill motor power requirement calculated above as 1400 HP is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution. The following shows how the size or select the matching mill required to

### Ball Mill|Ball And Tube Coal Mill Power Consumption

Ball Mill Specific Power Consumption. Calculation of specific power consumption of ball mill although the tube ball mill was invented 120 years ago its grinding media charge grading is still calculated on subjective guidelinstarting from the fact that for two ball mills of different size virtually the same specific power consumption isstage to ...

### Specific Energy Consumption Calculation

Specific Energy Consumption Calculation S. No Newsprint Units Base Line Year (BY) Assessment Year (AY) 1 Specific Steam Consumption -MP kcal/Tonne 0 0 2 Specific Steam Consumption -LP kcal/Tonne 1921850 1995000 3 Specific Power Consumption kcal/Tonne 1423329.57 1028949.235 4 Total Specific Energy Consumption (Newsprint) kcal/Tonne 3345179.57 ...

### ball mill power consumption - cafetjeukemeer.nl

Ball Mill Design/Power Calculation - 911 Metallurgist. Apr 8, 2018 The basic parameters used in ball mill design (power calculations), rod mill or any Now we much select a Ball Mill that will draw this power. Get Price; A model of mill power as affected by mill speed - …

### PROCESS DIAGNOSTIC STUDIES FOR CEMENT MILL …

production is obtained from a ball mill when the mill motor power is at a maximum and consequently the specific energy consumption is at minimum. The maximum power point is dependent upon the feed material characteristics, mill liner conditions, grinding media charge and product size requirements. 4.2 Working principle

### O. I. SKARIN N. O. TIKHONOV CALCULATION OF THE …

Finding the total specific energy consumption in the wet autogenous mill — central discharge ball mill circuit (WAM — CDBM) In the framework of the discussed method, total SEC in WAM — CDBM circuit is found based on total SEC in a con-ventional circuit including medium and fine crushing, and rod and ball milling.

### TECHNICAL NOTES 8 GRINDING R. P. King

mill is the energy consumption. The power supplied to the mill is used primarily to lift the load (medium and charge). Additional power is required to keep the mill rotating. 8.1.3 Power drawn by ball, semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8.3 Ad this can be used to establish the essential ...

### hammer mill power consumption coal

hammer mill power consumption coal abet.cl. Home hard rock screen vibrating hammer mill power consumption coal Jackson County Illinois Coal Mines and Coal Mining History It will be noted in the distribution sheet that with 9.69 working days in July 1921 the cost of power at this mine amounted to 13.36c. per ton of coal produced whereas in March. 1922 when the mine worked 21 days the power ...

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