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how to calculate motor kw of ball mill:

Ball Mill Motor Power Draw Sizing and Design Formula

Apr 05, 2018  Ball Mill Motor Power Draw Sizing and Design Formula. Post navigation. Previous. Next. The following equation is used to determine the power that wet grinding overflow ball mills should draw. For mills larger than 3.3 meters (10 feet) diameter inside liners, the top size of the balls used affects the power drawn by the mill.

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Ball Mill Design/Power Calculation

Apr 08, 2018  Example Calculation. 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 ...

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GROSS POWER CALCULATOR - SMC Testing

base are up to 40ft in diameter and ball mills are up to 26ft in diameter. The measured gross power draws from these mills are plotted against the model predictions in Figure 1. As indicated by this data base the accuracy of the model (1 standard deviation) is 4.6%. How to Use the Model . Inputs to the model are made in three windows, viz: Mill ...

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BALL MILL POWER - Page 1 of 2

Nov 12, 2013  ball mill power . dear experts. we have a ball mill in combi mode for cement grinding . roller press before the ball mill. the supplier has given 28% grinding media filling , with shaft power 2270 kw only. ball mill size is 4.4*11 m. grinding media size is max 30mm . it is a monochamber mill designed to grind the roller press product.

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CALCULATION OF THE POWER DRAW OF DRY

A.S. Erdem, Ş.L. Ergün, A.H. Benzer 222 () KW b D V p fC s C S s s ⎟+ ⎠ ⎞ ⎜ ⎝ ⎛ = × × − × × − 9−10 0.3 2 0.1 4.879 3.2 3 1 (1) where Kwb – Kilowatts per metric ton of balls D – Mill diameter inside liners in meters Vp – Fraction of mill volume loaded with balls fCs – Fraction of critical speed Ss – Ball size factor To determine the power that a dry grinding ...

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Technical Note No.31 CAPACITY SELECTION II [CALCULATION ...

Calculate the required power and the load torque, and select a motor capacity that can be driven by the required power or higher. When selecting, also check that the rated motor torque is equal to or higher than the load torque. Required power : P LR = ×η × 6120 W V max [kW] Load torque : T LR = Nmax ×9550 P LR [Nm] Selected motor capacity

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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 ...

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Motor current calculator jCalc.NET

The motor full load current calculator calculates the motor full load current from the following parameters: Voltage (V). The phase-to-phase voltage for a 3-phase supply, or the phase-to-neutral voltage for a single phase supply. Phase. Whether its a 3-phase or single phase voltage supply. Rating (P). The power rating of the motor in kW.

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PROCESS DIAGNOSTIC STUDIES FOR CEMENT MILL

Mill drive 3.58 5000 kW Diaphragm Double blind plate ... • Empty heights of both the chambers measured to calculate the ball charge, % filling and estimate the power ... production is obtained from a ball mill when the mill motor power is at a maximum and consequently the specific

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Motor loads calculation - Electrical Engineering Centre

Electrical motor loads are calculated from power in kW and full rated load in kW.Following is the formula how to calculate Motor loads. Example : We have 1 unit Induction Motor with 30 horsepower (hp),running with 34.9 amps for amperage load and 460 volts 3 phase and power factor value is 0.75 and motor efficiency is 85%

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GROSS POWER CALCULATOR - SMC Testing

base are up to 40ft in diameter and ball mills are up to 26ft in diameter. The measured gross power draws from these mills are plotted against the model predictions in Figure 1. As indicated by this data base the accuracy of the model (1 standard deviation) is 4.6%. How to Use the Model . Inputs to the model are made in three windows, viz: Mill ...

Read More
BALL MILL POWER - Page 1 of 2

Nov 12, 2013  ball mill power . dear experts. we have a ball mill in combi mode for cement grinding . roller press before the ball mill. the supplier has given 28% grinding media filling , with shaft power 2270 kw only. ball mill size is 4.4*11 m. grinding media size is max 30mm . it is a monochamber mill designed to grind the roller press product.

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Ball mil design calculation? Yahoo Answers

Mar 31, 2008  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. The actual motor energy consumption is 5-10% greater than this due to ...

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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 ...

Read More
PROCESS DIAGNOSTIC STUDIES FOR CEMENT MILL

Mill drive 3.58 5000 kW Diaphragm Double blind plate ... • Empty heights of both the chambers measured to calculate the ball charge, % filling and estimate the power ... production is obtained from a ball mill when the mill motor power is at a maximum and consequently the specific

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(PDF) Evaluation of synchronous motors on grinding mills

KW Losses. Stator I2R. ... The c ombined motor and mill inertia is larger than the . ... The subject of this paper is a synchronous drive of grinding ball mills 4 MW, 150 rpm, 6 kV, 50 Hz on the ...

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TECHNICAL SPECIFICATIONS

Drive motor KW : 100 Motor speed RPM : 375 -1000 Accessories Weight operated pendulum flap, serving as air lock at the feed inlet. Weight operated pendulum flap, serving as air lock at the coarse discharge point. 2 high efficiency cyclones of 3800 mm Ø for

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TECHNICAL NOTES 8 GRINDING R. P. King

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 features of a model for mill

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Starting a 6kV 3Ph - 2,200 kW - 1,000 rpm slip-ring motor ...

Sep 16, 2017  About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators ...

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Buy Horizontal Ball Mill for Fine Grinding and Mixing of ...

Horizontal ball mill is a typical ball mill equipment, used for grinding and dispersing liquid-solid materials, especially suitable for fine grinding and mixing of high-purity materials.. The horizontal ball mill is relative to the vertical ball mill, the cylinder body lies horizontally on the bearings at both ends.Horizontal ball mill has stable performance, simple operation and more novel ...

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(PDF) A quick method for bond work index approximate value ...

Bond ball mill and grind for an arbitrary number of mill revolutions (N 1 = 50, 100 or 150 revolutions). After grinding, screen the sample on the comparative sieve and determine

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Excel Sheet For Ball Mill Calculations

Mills Panoram Wanda's Page .... You can also perform table tennis ball calculations using my Table Tennis Ball Speed Calculator or my Ball Speed Calculator. ... I used the Excel(tm) spreadsheet to calculate an average speed of 58.9 mph. Read more

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how to calculate rpm of a motor to ball mill

How To Calculate Rpm Of A Motor To Ball Mill. Selection Sheet Eaton. Ball mills These mills use forged steel balls up to 5 inches Use of a clutch permits the mill motor to be The required clutch torque is calculated from the power rating of the mill motor, clutch shaft rpm and an

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Ball mil design calculation? Yahoo Answers

Mar 31, 2008  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. The actual motor energy consumption is 5-10% greater than this due to ...

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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.

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Excel Sheet For Ball Mill Calculations

Mills Panoram Wanda's Page .... You can also perform table tennis ball calculations using my Table Tennis Ball Speed Calculator or my Ball Speed Calculator. ... I used the Excel(tm) spreadsheet to calculate an average speed of 58.9 mph. Read more

Read More
TECHNICAL SPECIFICATIONS

Drive motor KW : 100 Motor speed RPM : 375 -1000 Accessories Weight operated pendulum flap, serving as air lock at the feed inlet. Weight operated pendulum flap, serving as air lock at the coarse discharge point. 2 high efficiency cyclones of 3800 mm Ø for

Read More
6kv 10kv Three Phase Synchronous Ball Mill Motor 1250kw ...

The collection is a type of big-sized 3-stage AC synchronous motor mainly utilized to drive mills in mines, which includes grate ball mill, rod mill and coal mill. Merchandise Title: Substantial Voltage Ball Mill Synchronous Motor Rated voltage: 3000V, 6000V, 10000V Potential variety: 320 kW ~ 5000kW Rated frequency: 50Hz, 60HZ Cooling strategy ...

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Starting a 6kV 3Ph - 2,200 kW - 1,000 rpm slip-ring motor ...

Sep 16, 2017  About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators ...

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Ball mill_Henan Hongji Mine Machinery Co., Ltd.

The ball mill is the key equipment to crush the material after being crushed. This type of mill is equipped with a number of steel balls in its cylinder as grinding medium. When the barrel rotates, the grinding medium is attached to the wall lining of the barrel due to inertial centrifugal force.

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(PDF) A quick method for bond work index approximate value ...

Bond ball mill and grind for an arbitrary number of mill revolutions (N 1 = 50, 100 or 150 revolutions). After grinding, screen the sample on the comparative sieve and determine

Read More
Buy Horizontal Ball Mill for Fine Grinding and Mixing of ...

Horizontal ball mill is a typical ball mill equipment, used for grinding and dispersing liquid-solid materials, especially suitable for fine grinding and mixing of high-purity materials.. The horizontal ball mill is relative to the vertical ball mill, the cylinder body lies horizontally on the bearings at both ends.Horizontal ball mill has stable performance, simple operation and more novel ...

Read More
Vertical Ball Mill can Grind Coarse and Hard Granular ...

The vertical ball mill has stable performance, supports dry and wet grinding, and has unique performance for coarse and thickened materials. Vertical ball mill can be widely used for dispersion and grinding of solid or powder materials in paint, medicine, building materials, chemical industry and

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Comparison of the overall circuit performance in the ...

Feb 01, 2011  In this configuration, a multi-chamber ball mill was operated as closed circuit with an air classifier ().Design parameters of the circuit are presented in Table 2.As a result of the mass balancing studies, the tonnages around the circuit and the measured and the calculated size distributions are presented in Fig. 2, Fig. 3.. Download : Download full-size image

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Modelling SAG milling power and specific energy ...

mill diameter, mill length, grates openings, and pebble ports size; the power equation is also function of all the operational variables selected for this study. The applied force is a function of the mass inside the mill and it is composed of balls, ore and water. The ball charge is a function of the bulk fraction of the SAG mill volume (Jb)

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Paper # 25 - Copper Mountain Overview on the Grinding ...

Figure 7 – ABB synchronous motor on Ball Mill 1 The drive requirements for the Copper Mountain mills are as follows: Rated power: 2 x 6340 kW (2 x 8500 hp) SAG mill rated motor speed 204 rpm, max. motor speed 214 rpm Ball mill rated motor speed 195 rpm, max. motor

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