Powder and Bulk Solids Handling Processes: Instrumentation and Control (Chemical Industries)

Addressing key issues in the instrumentation of powder handling processes, this up-to-date volumeserves as an excellent source of new ideas for designing on-line instruments, as well as a helpfulguide for understanding and applying measurement principles.Describing physical and chemical principles in clear, simple language, Powder and BulkSolids Handling Processes provides substantial background material that lists related industrialfields and the physical representation of powder properties . . . focuses on instrumentation,reviewing state variables in powder processes . . . discusses the sampling of particles from apowder bed or suspension flow as a basic method for evaluating powder handling processes ... andpresents incisive information on various methods and instruments used for on-line measurement ofpowder flow rate, particle concentration in suspension, level of powder in storage vessels, andmore.Complete with references, equations, illustrations, and tables, this volume is essential reading forchemical, mechanical, systems, ceramic, and civil engineers, instrumentation engineers in powderand bulk solid processes, and upper-level undergraduate and graduate students in chemical andmechanical engineering. Cover Half Title Title Page Copyright Page Contents Preface 1 Introduction to Powder Handling Processes 1.1 Related Industrial Fields 1.2 Particle Size 1.3 Particle Size Distribution 1.4 Mean Particle Diameter 1.5 Examples of Powder Handling Processes References 2 Introduction to Instrumentation 2.1 State Variables in Powder Handling Processes 2.2 Necessary Conditions for Instruments 2.3 Various Phenomena Applied to Powder Sensors References 3 Sampling of Particles 3.1 Powder Sampling 3.2 Sampling of Gas-Solid Suspensions References 4 Powder Flow Rate 4.1 Introduction 4.2 Weighing Method 4.3 Flowmeters Based on Mechanics 4.4 Differential Pressure Method 4.5 Electrical Method 4.6 Statistical Method 4.7 Optical Method and Others 4.8 Flow Detectors References 5 Particle Concentration in Suspensions 5.1 Introduction 5.2 Definition of Particle Concentration 5.3 Electrical Method 5.4 Attenuation Technique 5.5 Aerosol Concentration References 6 Level of Powder in Storage Vessels 6.1 Introduction 6.2 Mechanical Method 6.3 Electrical Method 6.4 Ultrasonic Wave Level Meter 6.5 Radiometric Method 6.6 Pneumatic Method and Others References 7 Particle Size 7.1 Introduction 7.2 Direct Classification Method 7.3 Permeability Method 7.4 Optical Method 7.5 Electrical Method 7.6 Acoustic Method and Others References 8 Moisture Content 8.1 Introduction 8.2 Microwave Attenuation 8.3 Reflection of Infrared Rays 8.4 Electrical Methods 8.5 NMR and Other Methods References 9 Pressure 9.1 Introduction 9.2 Pressure Gauge Construction 9.3 Pressure Transducers 9.4 Pressure Measurement in Gas-Solid Suspension Flow References 10 Temperature 10.1 Thermal Contact Thermometers 10.2 Radiation Thermometers References 11 Viscosity of Slurries, Powder Composition, and Motion Sensors 11.1 Slurry Viscosity 11.2 Mixture Quality of Powders 11.3 Motion Sensors References Index This book presents some key points in the instrumentation of powder handling processes and provides readers with sufficient knowledge of instrumentation to act as a base for the development of new instruments. It is helpful for instrumentation engineers in powder and bulk solid processes.