PDF | On Sep 29, 2016, I.I. Beloglazov and others published Application of the discrete element method for modeling of rocks crushing in a jaw crusher | Find, read and cite all the research you ...
The Discrete Element Method (DEM) is a numerical method that is able to simulate the mechanical behavior of bulk solids flow using spheres or polyhedral elements, offering a powerful tool for ...
In the present study, Discrete Element Method (DEM) technique was applied to model the fracture behavior of a single spherical and cubic rock in a laboratory jaw crusher.
The output product of a jaw crusher was studied by Olaleye, 2010, Mu et al., 2013 in terms of how it varies with ore body strength as well as using Discrete Element Modelling (DEM) techniques. A useful and trustworthy model requires an understanding of the modelling approach and the involved physics.
With a lab-scale jaw crusher as a test case, an optimisation was made on how to operate it most energy-efficiently by using an evolutionary algorithm numerical method. For a selected optimised case an attempt was made to simulate the jaw crusher using a commercial software for discrete element modelling (DEM), after first simulating single ...
EDEM Simulation of Jaw Crusher. ... In an effort to reduce operating maintenance costs, Wood employed the use of Altair EDEM, a discrete element modeling (DEM) solution, to visualize the flow of material and …
First, the discrete element method (DEM) analysis model of the iron ore based on the bonded-particle model (BPM) is established. On this basis, the impacts of the mantle shaft angle, the concave angle, the eccentric angle, and the mantle shaft speed on the gyratory crusher performance are explored by the method of combination of DEM …
A discrete element method (DEM) model of the crushing process of a toothed double-roll crusher (TDRC) is established using the bonded particle model. DEM results and experimental data are compared quantitatively and a relatively good agreement is observed. The effects of rotation speed and structure of crushing rolls on the …
The smaller daughter particles flow out of the bottom of the jaw crusher, while the larger particles undergo further breakage events (c). ... By means of Discrete-Element simulations with Bonded ...
In order to analyze the force condition and crushing power of crusher teeth plate, the discrete element method models of jaw crusher and double-cavity jaw crusher are set up respectively using EDEM, … Expand. 4. Save. Influence of some rock strength properties on jaw crusher performance in granite quarry. B. Olaleye.
With a lab-scale jaw crusher as a test case, an optimisation was made on how to operate it most energy-efficiently by using an evolutionary algorithm numerical …
In the presented work, a model of the crushing process in a jaw crusher using the Discrete Element Method (MDE) was realized. The use of modern software allowed studying in detail the...
The Discrete Element Method (DEM) is a numerical method that is able to simulate the mechanical behavior of bulk solids flow using spheres or polyhedral elements, offering a powerful tool for equipment design and optimization through modeling and simulation. The present work uses a Particle Replacement Model (PRM) embedded in …
The design of the swing jaw plate is proposed using point-load deformation failure relationships along with interactive failure of rock particles as a model for such a reduction in deflection value. Traditionally, stiffness of swing plates has not been varied with changes in rock strength. Rock strength has only been of interest because of the need to know …
In the present study, Discrete Element Method (DEM) technique was applied to model the fracture behavior of a single spherical and cubic rock in a …
This review paper has focused on optimisation of energy consumption during comminution process within the crushing chambers of a single toggle jaw crusher using Genetic Algorithms (GA) and Discrete Element Modelling (DEM). This review paper has focused on optimisation of energy consumption during comminution process within the …
With a lab-scale jaw crusher as a test case, an optimisation was made on how to operate it most energy-efficiently by using an evolutionary algorithm numerical method. For a selected optimised case an attempt was made to simulate the jaw crusher using a commercial software for discrete element modelling (DEM), after first …
The development of a validated computational simulation mode of a cone crusher could significantly reduce the required lead time and costs. The discrete element method (DEM) [5] provides a potential method to investigate the mechanical behaviour of the flow and breakage of granular material on both the micro and macro scales. Over …
The Discrete element method (DEM) is an invaluable tool for studying comminution as it provides detailed information that can help with process analysis as well as trying out new equipment designs …
The output product of a jaw crusher was studied by Olaleye, 2010, Mu et al., 2013 in terms of how it varies with ore body strength as well as using Discrete Element …
In the presented work, a model of the crushing process in a jaw crusher using the Discrete Element Method (MDE) was realized. The use of modern software allowed …
A review on the design and operations challenges of a single toggle jaw crusher is presented. Strength and fracture toughness of the material to be crushed are intrinsic properties that determine the time and energy required to crush the material. Economy of the crushing process is partly dependent on the angle of nip. Productivity of …
Compressive crushing has been proven to be one of the most energy efficient principles for breaking rock particles (Schönert, 1979). In this paper the cone crusher, which utilizes this mechanism, is investigated using the discrete element method (DEM) and industrial scale experiments.
A dynamic model of the working mechanism of a compound pendulum jaw crusher with clearance is established by the Lagrange multiplier method (LMD) based on the L-N contact force model and modified Coulomb friction force model. The correctness of the dynamic model is verified by MATLAB and Adams comparison simulation, and the …
In the present study, Discrete Element Method (DEM) technique was applied to model the fracture behavior of a single spherical and cubic rock in a laboratory jaw …
In the present study, Discrete Element Method (DEM) technique was applied to model the fracture behavior of a single spherical and cubic rock in a laboratory jaw crusher.
To gain a better insight into the comminution process in this device, discrete element modeling (DEM) simulations were conducted to study the breakage of a single particle for the crusher operated under two different dynamic conditions, i.e., (1) a stationary top disc and (2) both discs rotating at the same speed.
Discrete Element Method (DEM) simulation using a breakage model is applied to study a broad range of existing compression based crushers to better understand machine level operation and to demonstrate that such modelling is now possible. Predictions for five types of crushers: jaw crusher, cone crusher, gyratory crusher, …
The considered crusher was closest to the jaw crusher. Therefore, ... To optimize the crushing chamber of the gyratory crusher, the discrete element method (DEM) is used to explore the influence ...
Therefore, the most appropriate technique is optimising the jaw crusher dimensions such as the reduction ratio, throw and toggle speed using Genetic Algorithms (GA) and Discrete Element Modelling (DEM). The Rose and English model has been proposed for optimisation and is used together with GA. Even though the GA will reveal …
To optimize the crushing chamber of the gyratory crusher, the discrete element method (DEM) is used to explore the influence of the concave curve height, concave curve radius, eccentric angle, and ...
DOI: 10.1016/J.MINPRO.2009.12.002 Corpus ID: 98768767; Discrete element modeling for predicting breakage behavior and fracture energy of a single particle in a jaw crusher @article{Refahi2010DiscreteEM, title={Discrete element modeling for predicting breakage behavior and fracture energy of a single particle in a jaw crusher}, author={A. Refahi …
All data should be used as a guide only and are not guaranteed. They depend on the feed material characteristics and the actual crusher configuration. B A D E C 1) Crusher capacity calculated based on a typical run-of-mine feed material with an average raw density 2.8 t/m³ and max. feed size ≤ 80 % of crusher feed opening.
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Breakage models imbedded in simulations using the discrete element method (DEM) have evolved significantly in recent years, ... Lowndes I (2014) Discrete element modelling of a rock cone crusher. Powder Tech 263:151–158. Article Google Scholar Cleary PW, Sinnott MD (2015) Simulation of particle flows and breakage in …