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Modeling And Simulation Of Mineral Processing Systems

Author: R. Peter King
Publisher: Elsevier
ISBN: 0080511848
Size: 49.65 MB
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Dr. R. Peter King covers the field of quantitative modeling of mineral processing equipment and the use of these models to simulate the actual behavior of ore dressing and coal washing as they are configured to work in industrial practice. The material is presented in a pedagogical style that is particularly suitable for readers who wish to learn the wide variety of modeling methods that have evolved in this field. The models vary widely from one unit type to another. As a result each model is described in some detail. Wherever possible model structure is related to the underlying physical processes that govern the behaviour of particulate material in the processing equipment. Predictive models are emphasised throughout so that, when combined, they can be used to simulate the operation of complex mineral processing flowsheets. The development of successful simulation techniques is a major objective of the work that is covered in the text. Covers all aspects of modeling and simulation Provides all necessary tools to put the theory into practice

Cfd Modeling And Simulation In Materials Processing 2018

Author: Laurentiu Nastac
Publisher: Springer
ISBN: 3319720597
Size: 67.65 MB
Format: PDF, Docs
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This collection presents contributions on computational fluid dynamics (CFD) modeling and simulation of engineering processes from researchers and engineers involved in the modeling of multiscale and multiphase phenomena in material processing systems. The following processes are covered: Additive Manufacturing (Selective Laser Melting and Laser Powder Bed Fusion); Ironmaking and Steelmaking (Ladle Metallurgical Furnace, EAF, Continuous Casting, Blown Converter, Reheating Furnace, Rotary Hearth Furnace); Degassing; High Pressure Gas Atomization of Liquid Metals; Electroslag Remelting; Electrokinetic Deposition; Friction Stir Welding; Quenching; High Pressure Die Casting; Core Injection Molding; Evaporation of Metals; Investment Casting; Electromagnetic Levitation; Ingot Casting; Casting and Solidification with External Field (electromagnetic stirring and ultrasonic cavitation) Interaction and Microstructure Evolution The collection also covers applications of CFD to engineering processes, and demonstrates how CFD can help scientists and engineers to better understand the fundamentals of engineering processes.

The Modelling And Control Of Mineral Processing Plants

Author:
Publisher:
ISBN:
Size: 52.15 MB
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During the last 20 years, a major Worldwide research effort has been devoted to the mathematical modelling and automatic control of mineral-processing operations. Significant progress has been made towards the goal of developing a comprehensive range of models and control systems, but there are still gaps in the existing knowledge. The models of crushers, rod mills, and ball mills are suitable for use in simulation techniques, but this is not the case for autogenous mills. The major problem is lack of knowledge of the mill load, which has an important influence on mill performance. Models of screens and hydrocyclones are also adequate for simulation purposes provided that their use is restricted to the data range from which they were developed. Research that will ultimately result in more flexible classification models is in progress. Models for comminution and classification are now being used for circuit designing. Studies are continuing on the problem of basing the design of grinding circuits on simple laboratory breakage tests followed by simulation predictions. Flotation models are now capable of predicting the performance of flotation behaviour of composite particles is being solved with the introduction of automatic image analysers capable of providing quantitative information on the mineral composition of particles. It seems that flotation modelling, which has not progressed greatly over the last five years, is again in a position to move forward. The development of automatic control systems for combined ball-mill and classifier circuits is well advanced, but the control of autogenous-milling circuits has proved difficult, and work is continuing. The automatic control of flotation circuits has proved to be an elusive goal. When on-stream analysis became a reality in the early 1970s, there were initial attempts to install flotation-control systems. However, variability in the ore types has caused problems that have not yet been solved. In recent years, the trend has been to simplify the strategies and objects of flotation-control systems. The pattern for the future application of modelling and control in mineral processing is clear. Simulation techniques will become increasingly used for circuit design problems. The development of control systems will be applied on a circuit-by-circuit basis, using general concepts but always recognizing the particular ore and circuit characteristics that make each control system unique.

Wills Mineral Processing Technology

Author: Barry A. Wills
Publisher: Butterworth-Heinemann
ISBN: 0080970540
Size: 28.57 MB
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Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery has been the definitive reference for the mineral processing industry for over thirty years. This industry standard reference provides practicing engineers and students of mineral processing, metallurgy, and mining with practical information on all the common techniques used in modern processing installations. Each chapter is dedicated to a major processing procedure—from underlying principles and technologies to the latest developments in strategies and equipment for processing increasingly complex refractory ores. The eighth edition of this classic reference enhances coverage of practical applications via the inclusion of new material focused on meeting the pressing demand for ever greater operational efficiency, while addressing the pivotal challenges of waste disposal and environmental remediation. Advances in automated mineralogy and analysis and high-pressure grinding rolls are given dedicated coverage. The new edition also contains more detailed discussions of comminution efficiency, classification, modeling, flocculation, reagents, liquid-solid separations, and beneficiation of phosphate, and industrial materials. Finally, the addition of new examples and solved problems further facilitates the book’s pedagogical role in the classroom. Connects fundamentals with practical applications to benefit students and practitioners alike Ensures relevance internationally with new material and updates from renowned authorities in the UK, Australia, and Canada Introduces the latest technologies and incorporates environmental issues to place the subject of mineral processing in a contemporary context, addressing concerns of sustainability and cost effectiveness Provides new case studies, examples, and figures to bring a fresh perspective to the field

Advanced Control And Supervision Of Mineral Processing Plants

Author: Daniel Sbárbaro
Publisher: Springer Science & Business Media
ISBN: 9781849961066
Size: 14.73 MB
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Advanced Control and Supervision of Mineral Processing Plants describes the use of dynamic models of mineral processing equipment in the design of control, data reconciliation and soft-sensing schemes; through examples, it illustrates tools integrating simulation and control system design for comminuting circuits and flotation columns. Coverage is given to the design of soft sensors based on either single-point measurements or more complex measurements like images. Issues concerning data reconciliation and its employment in the creation of instrument architecture and fault diagnosis are surveyed. In consideration of the widespread use of distributed control and information management systems in mineral processing, the book describes the platforms and toolkits available for implementing such systems. Applications of the techniques described in real plants are used to highlight their benefits; information for all of the examples, together with supporting MATLAB® code can be found at www.springer.com/978-1-84996-105-9.

Cfd Modeling And Simulation In Materials Processing 2016

Author: Lifeng Zhang
Publisher: John Wiley & Sons
ISBN: 1119274729
Size: 12.93 MB
Format: PDF, ePub, Docs
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This collection explores computational fluid dynamics (CFD) modeling and simulation of engineering processes, with contributions from researchers and engineers involved in the modeling of multiscale and multiphase phenomena in material processing systems. The papers cover the following processes: Iron and Steelmaking (Tundish, Casting, Converter, Blast Furnace); Microstructure Evolution; Casting with External Field Interaction; and Smelting, Degassing, Ladle Processing, Mechanical Mixing, and Ingot Casting. The collection also covers applications of CFD to engineering processes, and demonstrates how CFD can help scientists and engineers to better understand the fundamentals of engineering processes.