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Author: David Mills Publisher: Butterworth-Heinemann ISBN: 1483144593 Category : Technology & Engineering Languages : en Pages : 537
Book Description
Pneumatic Conveying Design Guide is a guide for the design of pneumatic conveying systems and includes detailed data and information on the conveying characteristics of a number of materials with a wide range of properties. This book includes logic diagrams for design procedures and scaling parameters for the conveying line configuration. It also explains how to improve the performance of pneumatic conveyors by optimizing, uprating, and extending the system or adapting it for a change of material. This book consists of 15 chapters divided into three sections and opens with an overview of the state of the art on pneumatic conveying, along with definitions of the terms used in pneumatic conveying. The next chapter describes the various types of pneumatic conveying systems and the parameters that influence their capabilities in terms of material flow rate and conveying distance. The discussion then turns to feeding and discharging of the conveying line; selection of a pneumatic conveying system for a particular application; and design procedures for pneumatic conveying system. The theory and use of compressed air in pneumatic conveying are also considered, along with the effect of material properties on conveying performance; troubleshooting; and operational problems and some solutions. The final chapter is devoted to the use of bench-scale test methods to determine the material properties relevant to pneumatic conveying. This monograph is intended for designers and users of pneumatic conveying systems.
Author: David Mills Publisher: CRC Press ISBN: 113553909X Category : Technology & Engineering Languages : en Pages : 705
Book Description
Pneumatic conveying systems offer enormous advantages: flexibility in plant layout, automatic operation, easy control and monitoring, and the ability to handle diverse materials, especially dangerous, toxic, or explosive materials. The Handbook of Pneumatic Conveying Engineering provides the most complete, comprehensive reference on all types and s
Author: David Mills Publisher: Butterworth-Heinemann ISBN: 1483144593 Category : Technology & Engineering Languages : en Pages : 537
Book Description
Pneumatic Conveying Design Guide is a guide for the design of pneumatic conveying systems and includes detailed data and information on the conveying characteristics of a number of materials with a wide range of properties. This book includes logic diagrams for design procedures and scaling parameters for the conveying line configuration. It also explains how to improve the performance of pneumatic conveyors by optimizing, uprating, and extending the system or adapting it for a change of material. This book consists of 15 chapters divided into three sections and opens with an overview of the state of the art on pneumatic conveying, along with definitions of the terms used in pneumatic conveying. The next chapter describes the various types of pneumatic conveying systems and the parameters that influence their capabilities in terms of material flow rate and conveying distance. The discussion then turns to feeding and discharging of the conveying line; selection of a pneumatic conveying system for a particular application; and design procedures for pneumatic conveying system. The theory and use of compressed air in pneumatic conveying are also considered, along with the effect of material properties on conveying performance; troubleshooting; and operational problems and some solutions. The final chapter is devoted to the use of bench-scale test methods to determine the material properties relevant to pneumatic conveying. This monograph is intended for designers and users of pneumatic conveying systems.
Author: G.E. Klinzing Publisher: Springer Science & Business Media ISBN: 940158981X Category : Technology & Engineering Languages : en Pages : 619
Book Description
When the four of us decided to collaborate to write this book on pneumatic conveying, there were two aspects which were of some concern. Firstly, how could four people, who liveon four different continents, write a book on a fairly complex subject with such wide lines of communications? Secondly, there was the problem that two of the authors are chemical engineers.It has been noted that the majority of chemical engineers who work in the field of pneumatic conveying research have spent most of their time considering flow in vertical pipes. As such, there was some concern that the book might be biased towards vertical pneumatic conveying and that the horizontal aspects (which are clearly the most difficult!) would be somewhat neglected. We hope that you, as the reader, are going to be satisfied with the fact that you have a truly international dissertation on pneumatic conveying and, also, that there is an even spread between the theoretical and practical aspects of pneumatic conveying technology.
Author: David Mills Publisher: CRC Press ISBN: 9780203021989 Category : Technology & Engineering Languages : en Pages : 724
Book Description
Pneumatic conveying systems offer enormous advantages: flexibility in plant layout, automatic operation, easy control and monitoring, and the ability to handle diverse materials, especially dangerous, toxic, or explosive materials. The Handbook of Pneumatic Conveying Engineering provides the most complete, comprehensive reference on all types and s
Author: A. Levy Publisher: Elsevier ISBN: 0080533280 Category : Technology & Engineering Languages : en Pages : 871
Book Description
This handbook presents comprehensive coverage of the technology for conveying and handling particulate solids. Each chapter covers a different topic and contains both fundamentals and applications. Usually, each chapter, or a topic within a chapter, starts with one of the review papers. Chapter 1 covers the characterization of the particulate materials. Chapter 2 covers the behaviour of particulate materials during storage, and presents recent developments in storage and feeders design and performance. Chapter 3 presents fundamental studies of particulate flow, while Chapters 4 and 5 present transport solutions, and the pitfalls of pneumatic, slurry, and capsule conveying. Chapters 6, 7 and 8 cover both the fundamentals and development of processes for particulate solids, starting from fluidisation and drying, segregation and mixing, and size-reduction and enlargement. Chapter 9 presents environmental aspects and the classification of the particulate materials after they have been handled by one of the above-mentioned processes. Finally, Chapter 10 covers applications and developments of measurement techniques that are the heart of the analysis of any conveying or handling system.
Author: R. D. Marcus Publisher: Springer Science & Business Media ISBN: 9400904053 Category : Science Languages : en Pages : 592
Book Description
When the four of us decided to collaborate to write this book on pneumatic conveying, there were two aspects which were of some concern. Firstly, how could four people, who live on four different continents, write a book on a fairly complex subject with such wide lines of communications? Secondly, there was the problem that two of the authors are chemical engineers. It has been noted that the majority of chemical engineers who work in the field of pneumatic conveying research have spent most of their time considering flow in vertical pipes. As such, there was some concern that the book might be biased towards vertical pneumatic conveying and that the horizontal aspects (which are clearly the most difficult!) would be somewhat neglected. We hope that you, as the reader, are going to be satisfied with the fact that you have a truly international dissertation on pneumatic conveying and, also, that there is an even spread between the theoretical and practical aspects of pneumatic conveying technology.
Author: Julian Jägers Publisher: Cuvillier Verlag ISBN: 3736963718 Category : Technology & Engineering Languages : en Pages : 192
Book Description
Die Zerkleinerung von Holzpellets und damit die Entstehung von Feinanteil während des pneumatischen Transports wird zusammen mit den auftretenden Druckverluste im Rahmen dieser Arbeit experimentell und numerisch untersucht. Zunächst erfolgt die Entwicklung eines empirischen Bruchmodells auf Basis von Einzelpartikelprallversuchen zur statistischen Beschreibung des Bruchverhaltens von Holzpellets in Abhängigkeit von Kenngrößen wie Partikellänge, Aufprallgeschwindigkeit und -Winkel. Die entwickelten Korrelationen werden in den hauseigenen DEM-Code des Lehrstuhls für Energieanlagen und Energieprozesstechnik der Ruhr-Universität Bochum implementiert. Gekoppelte DEM-CFD Simulationen geben detaillierte Einblicke in die Abhängigkeiten der Strömungsverhältnisse sowie des Bewegungsverhaltens und der mechanischen Belastungen der geförderten Partikel von Betriebsbedingungen und Leitungskomponenten. Die numerischen Ergebnisse stimmen qualitativ mit denen korrespondierender Experimente überein und zeigen die Erhöhung von Pelletbruch und Feinanteil durch zunehmende Förderluftströme bzw. abnehmende Pelletmassenströme und kleinere Krümmerradien. Das entwickelte Bruchmodel ermöglicht detaillierte Untersuchungen pneumatischer Fördervorgänge und die Auslegung schonender Betriebsbedingungen und Leitungskomponenten zur Reduzierung von Druckverlusten sowie Pelletbruch und Feinanteil. In the present thesis, the dependence of wood pellet degradation and fines formation during pneumatic conveying on operating conditions like air and product mass flow or shape of pipe components is investigated. Both the size reduction of the cylindrical pellets during pneumatic transport caused by mechanical impacts and the prevailing pressure losses are analysed experimentally and numerically. Single particle impact tests are performed for investigating the breakage behaviour of wood pellets including the effect of particle length, impact velocity and collision angle. Based on the empirical correlations derived, a numerical degradation model is developed and implemented into the in-house DEM code of the Department of Energy Plant and Technology of the Ruhr-University Bochum. Experimental and numerical investigations are conducted using coupled DEM-CFD simulations to obtain detailed insights into flow conditions, particle motion and the mechanical loads on the pellets during pneumatic conveying. Numerical results show good qualitative agreement with the experimentally determined degradation rates and prevailing pressure losses. The degradation model developed allows detailed investigation into wood pellet degradation and fines formation during pneumatic conveying and enables the design of pipe configurations and operating conditions to prevent particle size reduction and excessive pressure losses.
Author: C.R. Woodcock Publisher: Springer Science & Business Media ISBN: 9400926359 Category : Technology & Engineering Languages : en Pages : 534
Book Description
An understanding ofthe properties and the handling characteristics of liquids and gases has long been regarded as an essential requirement for most practising engineers. It is therefore not surprising that, over the years, there has been a regular appearance of books dealing with the fundamentals of fluid mechanics, fluid flow, hydraulics and related topics. What is surprising is that there has been no parallel development of the related discipline of Bulk Solids Handling, despite its increasing importance in modern industry across the world. It is only very recently that a structured approach to the teaching, and learning, of the subject has begun to evolve. A reason for the slow emergence of Bulk Solids Handling as an accepted topic of study in academic courses on mechanical, agricultural, chemical, mining and civil engineering is perhaps that the practice is so often taken for granted. Certainly the variety of materials being handled in bulk is almost endless, ranging in size from fine dust to rocks, in value from refuse to gold, and in temperature from deep-frozen peas to near-molten metal.
Author: David Mills
Author: David Mills
Author: David Mills
Author: G.E. Klinzing
Author: David Mills
Author: A. Levy
Author: Ernest George Phillips
Author: R. D. Marcus
Author: Julian Jägers
Author: C.R. Woodcock
Author: Hoyle B. Puckett