Effect of lifters and mill speed on particle behaviour, torque, and power consumption of a tumbling ball mill: Experimental study and DEM simulation
Crushing and grinding consume most of the energy in mineral processing. Ball mill is an
important kind of grinding equipment used to decrease the size of ore particles. The power …
important kind of grinding equipment used to decrease the size of ore particles. The power …
DEM modelling of liner evolution and its influence on grinding rate in ball mills
Wear of grinding mill liners and lifters plays a major role in the overall efficiency and
economics of mineral processing. Change in the shape of lifters as they wear has a …
economics of mineral processing. Change in the shape of lifters as they wear has a …
A coupled CFD–DEM model for tumbling mill dynamics—Effect of lifter profile
In comminution circuits, grinding is the most energy-intensive process. Although significant
work was focused on the charge particle dynamics via only DEM in the past, but lifter effects …
work was focused on the charge particle dynamics via only DEM in the past, but lifter effects …
Determination of the milling parameters of a platinum group minerals ore to optimize product size distribution for flotation purposes
Most concentrators desire to operate under optimal design configuration that guarantees
high mineral recovery and low operational costs. The optimal design configurations are …
high mineral recovery and low operational costs. The optimal design configurations are …
A new predictive model of lifter bar wear in mills
M Rezaeizadeh, M Fooladi, MS Powell… - Minerals …, 2010 - Elsevier
The cost of mill relining and the influence of the liner profiles on mill performance provide a
strong motivation to improve liner selection. However, the capability to predict liner life and …
strong motivation to improve liner selection. However, the capability to predict liner life and …
Effects of mixtures of grinding media of different shapes on milling kinetics
KP Simba, MH Moys - Minerals Engineering, 2014 - Elsevier
The effect of grinding media on milling kinetics has been generally studied using one media
shape. However, very little work has been done on investigating mixtures of media shapes …
shape. However, very little work has been done on investigating mixtures of media shapes …
Improved modeling of the grinding process through the combined use of matrix and population balance models
E Petrakis, K Komnitsas - Minerals, 2017 - mdpi.com
The mechanistic approach has proven so far to be flexible and successful for simulation of
the grinding process. The basic idea underlying mechanistic models, namely the matrix and …
the grinding process. The basic idea underlying mechanistic models, namely the matrix and …
A method to predict shape and trajectory of charge in industrial mills
Charge motion is of prime importance in the efficiency of comminution in tumbling mills.
Since direct observation of charge shape and its motion in industrial mills are not possible, a …
Since direct observation of charge shape and its motion in industrial mills are not possible, a …
Spreadsheet-based modeling of liner wear impact on charge motion in tumbling mills
Grinding remains the major constituent of the total cost of processing minerals in most
applications. Charge motion is one of the key parameters affecting grinding efficiency and …
applications. Charge motion is one of the key parameters affecting grinding efficiency and …
Determining a lower boundary of elasticity modulus used in the discrete element method (DEM) in simulation of tumbling mills
AR Ghasemi, E Razi, S Banisi - Advanced Powder Technology, 2020 - Elsevier
Abstract Discrete Element Method (DEM) simulations of industrial tumbling mills could
involve millions of particles. Even with the considerable increase in the computational …
involve millions of particles. Even with the considerable increase in the computational …