- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
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A small jaw crusher originally designed for testing the properties of rock material was modified (see Fig. 2). ... Discrete element method (DEM) is used to simulate an impeller-tumbler experimental rig designed to assess the performance of materials under impact-abrasion wear. The numerical study on wear incorporates Archard's equation to ...
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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, a kind of software for discrete element analysis.
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A gyratory crusher is a key mineral processing asset in a comminution circuit. Monitoring and predicting the crusher liner wear is essential to ensure the throughput and product quality are maintained during production. This study developed a digital sensor and a discrete element modelling (DEM)-coupled methodology to monitor …
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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.
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Simulation software, such as discrete element modeling (DEM), can provide highly accurate capacity estimates by simulating the interactions between individual particles within the crusher. These simulations consider factors such as particle size, shape, and material properties. ... Jaw crusher capacity calculation is a critical aspect of ...
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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 …
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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.
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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 …
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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 …
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Johansson at al. (2017) proposed a basic model for an industrial-scale jaw crusher, which predicted capacity and power consumption for various speeds and crusher settings. Fladvad and Onnela (2020) proposed a parameter study after investigating the influence of feed and jaw crusher parameters on aggregate quality in single-stage …
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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 ...
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In this paper the cone crusher, which utilizes this mechanism, is investigated using the discrete element method (DEM) and industrial scale experiments. The purpose of the work is to develop a virtual simulation environment that can be used to gain fundamental understanding regarding internal processes and operational responses.
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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 before the equipment is physically built. The DEM was used to analyse previous experimental work to gain some insight into the comminution …
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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 …
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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 impact of the cheeks of the crusher on the crushing material.
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