# Two Stage Ball Mill Power Consumption Calculation

• ### Design, Construction and Performance Analysis of a 5

laboratory ball mill. This method is based on two power calculation approaches used in ball and rod mill design processes due to its simplicity and workability. The first approach, which is specific power calculation, determines the power required to grind an ore from a given feed size to a specific product size. The second approach, the shaft

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

Calculation of energy required for grinding in a ball mill. Int. J. Miner. Process., 25: 41-46. The Bond work index, Wi, as an indior of the grindability of raw materials is not a material constant but rather it changes with change of size of the grinding product.

• ### Modelling SAG milling power and specific energy

ness of the models. For a given mill to have a coination of feed size, ball load, mill speed and % solids will represent the total load. Ball Mill SAG Mill Scw Jb Pc % -6" +1" N/Nc Fresh Feed Water Water Pebble Crusher Screen Cyclones Sump Pump Fig. 1. SABC A/B milling circuit.

• ### two stage ball mill power consumpation calculation

A Method of C alculating Autogenous/ Semi stage ball mills, rod mills or AG/SAG mills when calculating power according to the Bond Third Theory parameters are inputted for the speci c power calculation.

• ### A Method to Determine the Ball Filling, in Miduk Copper

Province, Iran, and its size reduction stage includes one gyratory crusher which feeds one SAG mill (9.75 dia.(m)*3.88 length(m)) following two parallel ball mills (5dia.(m)*7lenght(m)). ball mill as a function of mill`s power draw or investigation on the ball filling ratio ball filling calculation due to ragged load surface. In the

• ### The energy efficiency of ball milling in comminution

The energy efficiency of ball milling in comminution. Author links open overlay panel D.W (confined bed breakage). Using a reasonable figure for the energy consumption in a ball mill, 30 kWh/t, he concluded that ball mill efficiency, based on the energy consumption for interparticle breakage, will be between 40% and 60%. The net power

• ### two stage ball mill power consumpation calculation

ball mill ball consumption calculation. calculation of grinding media charging ball mill, calculation of power consumption for ball mills and, two stage ball mill power consumpation calculation.

• ### CALCULATION OF THE POWER DRAW OF DRY

Equation 1 is multiplied by the factor of 1.08. A multi-compartment ball mill consists of two or more grate discharge ball mills in series. The same equation is used to calculate the power that each ball mill compartment should draw. The total power is the sum of the power

• ### power calculation of crusher -

Mar 24, 2019· ''s experience and competence in crushing and .. hydraulic power unit and radio remote control, is.power consumption of ball mill – SZMoperating principle of a coal crusher which uses jaw s,power

• ### Ball Mill Design/Power Calculation

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 draw this power is

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

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

• ### Mill sizing method

Please find below two calculators for sizing mills using the Bond and Rowland methods: Ball mill sizing: Calculator for ball mill(s) in a single stage circuit. Rod ball mill sizing: Calculator for rod mill(s) as first stage of the circuit and ball mill(s) as second stage of the circuit.

• ### Modern Processing Techniques to minimize cost in Cement

Vertical Roller Mill (VRM) The power used for the actual grinding process while grinding raw materials, depends mainly on the hardness of raw materials and the type of 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.

• ### The power consumption calculation of a ball drum mill | V

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.

• ### 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

• ### torque ball mill calculation -

Mar 25, 2019· The Effect of Ball Size Diameter on Milling Performance Open A laboratory size ball mill was used with ball media of sizes 10 m.. the mill was loaded with 29.06 kg of the balls as

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

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.

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

First stage, will be broken into two parts as well, you use a Bond rod mill work index for the coarse component of the ore (+2.1 mm) and the Bond ball mill work index for the fine component (-2.1 mm).

• ### Ballmill Design - Power Draw - Edumine Online Tool

An interactive design tool for determination of ballmill power draw. Notes on Ball Mill Design - Power Draw Power Draw is steady running power requirement ignoring drive-train losses and startup loads.

• ### AMIT 135: Lesson 6 Grinding Circuit – Mining Mill Operator

The mill product can either be finished size ready for processing, or an intermediate size ready for final grinding in a rod mill, ball mill or pebble mill. AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill.

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