#### How to Calculate and Solve for Specific Power of Mill

Jul 15, 2021 How to Calculate and Solve for Specific Power of Mill Ball Mill Sizing The image above represents the specific power of mill. To compute for specific power of mill, three essential parameters are needed and these parameters are Work Index of Ground Material (w i ), 80% Product Size (P 80 ) and 80% Feed Size (F 80 ).

#### Ball Mill Design/Power Calculation

Jun 19, 2015 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

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

May 15, 2015 A) Total Apparent Volumetric Charge Filling including balls and excess slurry on top of the ball charge, plus the interstitial voids in between the balls expressed as a percentage of the net internal mill volume (inside liners). B) Overflow Discharge Mills operating at low ball fillings slurry may accumulate on top of the ball charge; causing, the Total Charge Filling Level to be

#### P 80 Crusher Calculations

How To Calculate P80 Ball Mill. Ball mill design calculation in india download. ball-mill ball mill design calculation in india download. 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

#### Ball Mill Design/Power Calculation

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

#### A guide to maximising ball mill circuit classification

Using the data in Table 1, an example CSE calculation for a typical reverse fed ball mill circuit where 75 μs is the circuit (cyclone overflow) target P80 follows: 1. From the ball mill feed size distribution calculate the %+75 μ as: 100 19.3 = 80.7% +75 μ. 2.

#### Bond Work Index (Energy equation) Grinding

P80 = 80% passing size of the circuit product, in microns. Example. The dry feed of a ball mill circuit is 300 t/h. The power at the pinion of the ball mill is 1800 kW. F80 = 80% passing size of the circuit feed, in microns = 2500 um. P80 = 80% passing size of the circuit product, in microns = 225 um Solution

#### How To Calculate P Ball Mill From Drc

how to calculate p80 ball mill Popular Education. how to calculate p80 ball mill Mining Machiner Ball mill Wikipedia, the free encyclopedia. A ball mill is a type of grinder used to grind and blend materials for use in mineral dressing processes, paints,

#### Particle Size Distribution Effects that Should be

rod mill gave a similar-shaped size distribution to that of a closed circuit laboratory ball mill. He also demonstrated how a laboratory rod mill gave a similar shape of size distribution to a 36 inch (0.8 m) Hardinge ball mill in closed circuit with a rake classifi er treating the same ore. It seems to be this piece

#### How Coarse can Ball Mill Feed be Grinding

Feeding >15mm to a ball mill this size is not typical much larger ball mills (>21' or 7.0m diameter) typically get 12-16mm feed (from what I have seen in my experience) With regards to 3.5"- 4" media, typically for Ball mills of this size (16'), max size of ball used should be around the 50-60mm.

#### P80 of Bond ball mill Work Index tests LinkedIn

Dec 04, 2020 P80 of Bond ball mill Work Index tests Published on December 4, 2020 December 4, 2020 • 127 Likes • 21 Comments

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

use a rod mill F80 of 16,000 µm and a rod mill P80 of 1,000 µm. Note that—in order for no correction factor for ball mill product fineness to apply—the ball mill circuit P80 should be no less than approximately 70 µm (Bond, 1962). This Bond Efficiency determination should not be applied to cir-

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

6. Product P80 of any intermediate crushing circuits treat-ing primary crusher product (µm) 7. Product P80 of any intermediate HPGR circuit ahead of the tumbling mill stage(s) (µm) 8. Product P80 of the tumbling mill stage(s) (µm) •If there are multiple stages of grinding (e.g., SAG milling followed by ball milling), only the P80 of the

#### Ball Mill Design/Power Calculation

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

#### SPECIFIC COMMINUTION ENERGY

P80) is varied. Rules for the Mib are no different. Hence it is explicitly assumed that the Wib value that is used has come from a Bond ball mill work index test that has generated a similar value to that input to the “Tumbling mill circuit product P80- final grind” field. If this is not the case the resultant

#### Ball mill optimization Improving conveyor performance

Ball mill classification system optimization through functional performance modeling (P80) of the circuit (for example, a target P80 of 150 mesh, or 106 μm). In this case, It is also useful to calculate the CSE at the P80, i.e. at the P80 actually measured during the survey. That way it

#### Bond Grinding Circuit Efficiency

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 REFERENCE BASIS FOR ALL WORK INDEX EFFICIENCY DETERMINATIONS! 10. 2/20/2014 6 Example SAG-Ball Mill Circuit WI

#### Calculate the Reduction Ratio and the Number of Milling

Mar 28, 2021 Rod mill Up to 100/1 Ball mill Up to 1000/1. It should be noted that these are average and specific machines that could achieve a higher (or lower) reduction ratio depending on the design and application. Source: TON. As you can see it is impossible to achieve a size for example of 100 microns from 50cm in one shot (using one technology).

#### how to calculate p80 sie distribution

p20/p80 Indicator Weights Calculator Calculating. p20/p80 Indicator Weights Calculator. A p20/p80 indicator is also referred to as the p20/p80 inequality measure. It is the ratio of the average income of the richest 20 percent of the population divided by the average income of the bottom 20 percent.

#### How Ball Mills Work (Engineering and Mining) YouTube

Jun 20, 2019 Learn how a ball mill works, all of its main parts and some of its design features! This 3D animated video allows you to see all the internal parts of a ball...

#### power calculation formula for ball mill

The power (in kW) required to turn a ball mill is approximated by P = 0.285 d (1.073-j) m n where d is the internal diameter in metres j is the fraction of the mill volume occupied by media m is the total mass of media in the mill in tonnes and n is the mill speed rpm. Chat Online.

#### Modelling SAG milling power and specific energy

ﬁrstly predicted using the SAG mill feed F80 and the ball mill cyclone overﬂow P80. Morrell’s model (Morrell, 2011) relates the feed, mill geometry and operating conditions to the speciﬁc energy of the circuit. However, the F80 is not enough to represent properly different size distributions, because different size distributions can

#### Bond Tests SGS

Bond Rod Mill Grindability Test. The test determines the Bond Rod Mill Work Index which is used with Bond’s Third Theory of Comminution to calculate net power requirements when sizing ball mills*. Various correction factors may have to be applied. The test is a closed-circuit dry grindability test performed in a standard rod mill.

#### calculations for design of ball mills for cement g

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

#### how to calculate p80 size distribution

Apr 09, 2021 How To Calculate The Ball Mill Discharge Size CachedBall Mill P80 um 140 124 The measured particle size distributions for the two feeds are shown in Read more. ball size distribution in ball mills TY Ball Mill.

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

use a rod mill F80 of 16,000 µm and a rod mill P80 of 1,000 µm. Note that—in order for no correction factor for ball mill product fineness to apply—the ball mill circuit P80 should be no less than approximately 70 µm (Bond, 1962). This Bond Efficiency determination should not be applied to cir-

#### Ball Mill Design/Power Calculation

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

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

6. Product P80 of any intermediate crushing circuits treat-ing primary crusher product (µm) 7. Product P80 of any intermediate HPGR circuit ahead of the tumbling mill stage(s) (µm) 8. Product P80 of the tumbling mill stage(s) (µm) •If there are multiple stages of grinding (e.g., SAG milling followed by ball milling), only the P80 of the

#### SPECIFIC COMMINUTION ENERGY

P80) is varied. Rules for the Mib are no different. Hence it is explicitly assumed that the Wib value that is used has come from a Bond ball mill work index test that has generated a similar value to that input to the “Tumbling mill circuit product P80- final grind” field. If this is not the case the resultant

#### Modelling SAG milling power and specific energy

ﬁrstly predicted using the SAG mill feed F80 and the ball mill cyclone overﬂow P80. Morrell’s model (Morrell, 2011) relates the feed, mill geometry and operating conditions to the speciﬁc energy of the circuit. However, the F80 is not enough to represent properly different size distributions, because different size distributions can

#### difference between k80 and p80 grind size

difference between sag and ball mill chauffage . difference between k80 and p80 grind size wood4mebe. Difference Between Sag Ball Mill Difference Between Sag And Ball Mill; Difference Between Sag And Ball Mill Industry News Marvel's New VR Game Lets You Kick Ass as Earth's Mightiest,Ball mill Wikipedia, the free encyclopedia A ball mill is a type of grinder used to grind

#### how to calculate p80 sie distribution

p20/p80 Indicator Weights Calculator Calculating. p20/p80 Indicator Weights Calculator. A p20/p80 indicator is also referred to as the p20/p80 inequality measure. It is the ratio of the average income of the richest 20 percent of the population divided by the average income of the bottom 20 percent.

#### Ball charges calculators

- Ball top size (bond formula): calculation of the top size grinding media (balls or cylpebs):-Modification of the Ball Charge: This calculator analyses the granulometry of the material inside the mill and proposes a modification of the ball charge in order to improve the mill efficiency:

#### Bond Tests SGS

Bond Rod Mill Grindability Test. The test determines the Bond Rod Mill Work Index which is used with Bond’s Third Theory of Comminution to calculate net power requirements when sizing ball mills*. Various correction factors may have to be applied. The test is a closed-circuit dry grindability test performed in a standard rod mill.

#### calculate ball mill throughput

Ball Mill Grinding Capacity Calculator. Ball Mill Design leftpanel 0 Product Size P80 microns Total Plant Throughput ton/hr Fraction of the Total Mill Power Draw contributed by the Ball Charge...

#### Calculate Ball Mill Charge mayukhportfolio.co.in

How To Calculate Ball Charge In Sag Mills Protable Plant. how to calculate ball charge in sag mills-related information, including: Quotes,Price,Manufacturers,Parts : no charges against nigel wright. by ckdr news april 16th

#### How To Calculate Ball Mill Dense For Cement Grinding

Mar 10, 2011 Re: How Can I calculate new ball size and weight desing for ball mill. Hi, We have a similar mill. Pregrinding with hammer crusher and mono-chamber mill. Thisis what a proposed based on literture review i did and others agree its more and less correct. But remember it all depends on your mill feed size after pregrinding.

#### How To Calculate Power Consumption In Ball Mill

Calculate power consumption of hammer mill.Calculate power consumption of hammer mill.Calculate power consumption of hammer mill,this page is about calculation of power consumption for ball mills and grinding,, read more.Mill turbines power consumption calculator xls cpptaeu.Compact structure grain hammer mill with 22kw power us 500-1800 set 1