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Table of Contents
Intro
Preface
Contents
1 Introduction
1.1 Brief Introduction of the Evolution History of Flotation Machine
1.1.1 Flotation in Ancient Times
1.1.2 Flotation in Ancient Times
1.2 Development Trend of Flotation Equipment
1.2.1 Classification of Flotation Machines
References
2 Basic Study of Flotation Dynamics
2.1 Collision Between Mineral Particles and Bubbles
2.1.1 Collision Process Mechanism of Coarse Minerals
2.1.2 Collision Process Mechanism of Fine Minerals
2.2 Adhesion Between Mineral Particles and Bubbles
2.2.1 Adhesion of Coarse Minerals
2.2.2 Adhesion of Fine Minerals
2.3 Detachment of Mineral Particles and Bubbles
2.4 Influence of Size on Flotation
2.4.1 Influence of Coarse Particles on Flotation
2.4.2 Influence of Fine Particles on Flotation
2.5 Dynamic Zoning of Flotation Machine
2.5.1 Agitating and Mixing Zone
2.5.2 Transport Zone
2.5.3 Separation Zone
2.5.4 Froth Zone
References
3 Dynamic Characteristics and Evaluation of Flotation Machines
3.1 Characteristic Parameters and Evaluation of Flotation Machines
3.1.1 Aeration (Suction) Rate
3.1.2 Dispersion Degree of Air
3.1.3 Diameter and Distribution of Bubbles
3.1.4 Bubble Surface Area Flux
3.1.5 Gas Holdup
3.1.6 Bubble-Loading Rate
3.1.7 Pulp Resident Time Distribution
3.1.8 Short Circuit
3.1.9 Volume Utilization Coefficient
3.1.10 Pulp Suspension
3.1.11 Critical Speed of Impeller
3.1.12 Spindle Power Consumption
3.2 Performance Evaluation of Flotation Machines
References
4 Research on Fluid Dynamics Test of Flotation Machines
4.1 Flow State Test of Flotation Machines
4.1.1 LDV Testing Technology
4.1.2 PIV Testing Technology
4.2 Pulp Flow Test Technology
4.2.1 Residence Time Distribution Test
4.2.2 Circulation Volume and Flow Velocity Test
4.2.3 Suspension Capacity Test
4.3 Bubbles and Particles Testing Technology
4.4 PEPT Technology
4.5 Spindle Force Test
References
5 CFD Simulation Research on Fluid Dynamics of Flotation Machines
5.1 Summary of CFD Simulation Research of Flotation Machines
5.1.1 Significance of CFD Simulation of Flotation Equipment
5.1.2 Research Objective of CFD Simulation of Flotation Machines
5.1.3 Problems Existing in CFD Simulation of Flotation Machines
5.1.4 Prospect on CFD Simulation of Flotation Machines
5.2 CFD Simulation Research of Flotation Machines
5.2.1 CFD Mathematical Model of Flotation Machines
5.2.2 CFD Simulation Research of Flotation Machines Under the Single-Phase Condition
5.2.3 Flow Field of the Flotation Machine Under the Two-Phase System
5.2.4 Flow Field of the Flotation Machine Under the Two-Phase System
5.2.5 Optimization of Flotation Machines Based on CFD Simulation
References
6 Flotation Machine Upsizing Method and Technology
6.1 Flotation Machine Upsizing Process
Preface
Contents
1 Introduction
1.1 Brief Introduction of the Evolution History of Flotation Machine
1.1.1 Flotation in Ancient Times
1.1.2 Flotation in Ancient Times
1.2 Development Trend of Flotation Equipment
1.2.1 Classification of Flotation Machines
References
2 Basic Study of Flotation Dynamics
2.1 Collision Between Mineral Particles and Bubbles
2.1.1 Collision Process Mechanism of Coarse Minerals
2.1.2 Collision Process Mechanism of Fine Minerals
2.2 Adhesion Between Mineral Particles and Bubbles
2.2.1 Adhesion of Coarse Minerals
2.2.2 Adhesion of Fine Minerals
2.3 Detachment of Mineral Particles and Bubbles
2.4 Influence of Size on Flotation
2.4.1 Influence of Coarse Particles on Flotation
2.4.2 Influence of Fine Particles on Flotation
2.5 Dynamic Zoning of Flotation Machine
2.5.1 Agitating and Mixing Zone
2.5.2 Transport Zone
2.5.3 Separation Zone
2.5.4 Froth Zone
References
3 Dynamic Characteristics and Evaluation of Flotation Machines
3.1 Characteristic Parameters and Evaluation of Flotation Machines
3.1.1 Aeration (Suction) Rate
3.1.2 Dispersion Degree of Air
3.1.3 Diameter and Distribution of Bubbles
3.1.4 Bubble Surface Area Flux
3.1.5 Gas Holdup
3.1.6 Bubble-Loading Rate
3.1.7 Pulp Resident Time Distribution
3.1.8 Short Circuit
3.1.9 Volume Utilization Coefficient
3.1.10 Pulp Suspension
3.1.11 Critical Speed of Impeller
3.1.12 Spindle Power Consumption
3.2 Performance Evaluation of Flotation Machines
References
4 Research on Fluid Dynamics Test of Flotation Machines
4.1 Flow State Test of Flotation Machines
4.1.1 LDV Testing Technology
4.1.2 PIV Testing Technology
4.2 Pulp Flow Test Technology
4.2.1 Residence Time Distribution Test
4.2.2 Circulation Volume and Flow Velocity Test
4.2.3 Suspension Capacity Test
4.3 Bubbles and Particles Testing Technology
4.4 PEPT Technology
4.5 Spindle Force Test
References
5 CFD Simulation Research on Fluid Dynamics of Flotation Machines
5.1 Summary of CFD Simulation Research of Flotation Machines
5.1.1 Significance of CFD Simulation of Flotation Equipment
5.1.2 Research Objective of CFD Simulation of Flotation Machines
5.1.3 Problems Existing in CFD Simulation of Flotation Machines
5.1.4 Prospect on CFD Simulation of Flotation Machines
5.2 CFD Simulation Research of Flotation Machines
5.2.1 CFD Mathematical Model of Flotation Machines
5.2.2 CFD Simulation Research of Flotation Machines Under the Single-Phase Condition
5.2.3 Flow Field of the Flotation Machine Under the Two-Phase System
5.2.4 Flow Field of the Flotation Machine Under the Two-Phase System
5.2.5 Optimization of Flotation Machines Based on CFD Simulation
References
6 Flotation Machine Upsizing Method and Technology
6.1 Flotation Machine Upsizing Process