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Rotary Kilns

Rotary Kilns Book
Author : A. A. Boateng
Publisher : Butterworth-Heinemann
Release : 2015-12-01
ISBN : 9780128037805
Language : En, Es, Fr & De

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Book Description :

Rotary Kilns-rotating industrial drying ovens-are used for a wide variety of applications including processing raw minerals and feedstocks as well as heat-treating hazardous wastes. They are particularly critical in the manufacture of Portland cement. Their design and operation is critical to their efficient usage, which if done incorrectly can result in improperly treated materials and excessive, high fuel costs. This professional reference book will be the first comprehensive book in many years that treats all engineering aspects of rotary kilns, including a thorough grounding in the thermal and fluid principles involved in their operation, as well as how to properly design an engineering process that uses rotary kilns. This new edition contains an updated CFD section with inclusion of recent case studies and in line with recent developments covers pyrolysis processes, torrefaction of biomass, application of rotary kilns in C02 capture and information on using rotary kilns as incinerators for hydrocarbons. Provides essential information on fluid flow, granular flow, mixing and segregation, and aerodynamics during turbulent mixing and recirculation Gives guidance on which fuels to choose, including options such as natural gas versus coal-fired rotary kilns Covers principles of combustion and flame control, heat transfer and heating and material balances New edition contains information on pyrolysis processes with low temperatures and torrefaction of biomass. It also covers calcination of petcoke, how rotary kilns are used as incinerators for chlorinated hydrocarbons. Includes updated material on CFD simulation of kiln gas and solids flow with a selection of recent case studies.

The Rotary Cement Kiln

The Rotary Cement Kiln Book
Author : Kurt E. Peray,Joseph J. Waddell
Publisher : CHS Press
Release : 1972
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Rotary Cement Kiln book written by Kurt E. Peray,Joseph J. Waddell, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Rotary Kilns

Rotary Kilns Book
Author : Akwasi A Boateng
Publisher : Butterworth-Heinemann
Release : 2011-03-31
ISBN : 0080557120
Language : En, Es, Fr & De

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Book Description :

Rotary Kilns—rotating industrial drying ovens—are used for a wide variety of applications including processing raw minerals and feedstocks as well as heat-treating hazardous wastes. They are particularly critical in the manufacture of Portland cement. Their design and operation is critical to their efficient usage, which if done incorrectly can result in improperly treated materials and excessive, high fuel costs. This professional reference book will be the first comprehensive book in many years that treats all engineering aspects of rotary kilns, including a thorough grounding in the thermal and fluid principles involved in their operation, as well as how to properly design an engineering process that uses rotary kilns. Chapter 1: The Rotary Kiln Evolution & Phenomenon Chapter 2: Basic Description of Rotary Kiln Operation Chapter 3: Freeboard Aerodynamic Phenomena Chapter 4: Granular Flows in Rotary Kilns Chapter 5: Mixing & Segregation Chapter 6: Combustion and Flame Chapter 7: Freeboard Heat Transfer Chapter 8: Heat Transfer Processes in the Rotary Kiln Bed Chapter 9: Mass & Energy Balance Chapter 10: Rotary Kiln Minerals Process Applications ·Covers fluid flow, granular flow, mixing and segregation, and aerodynamics during turbulent mixing and recirculation ·Offers hard-to-find guidance on fuels used for rotary kilns, including fuel options such as natural gas versus coal-fired rotary kilns ·Explains principles of combustion and flame control, heat transfer and heating and material balances

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns Book
Author : Argonne National Laboratory,D.S. Moulton,F.F. Nunes
Publisher : Unknown
Release : 1979
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Limestone Sorbent Regeneration in Externally Fired Rotary Kilns book written by Argonne National Laboratory,D.S. Moulton,F.F. Nunes, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Control of Sulfur Content of Sponge Iron Produced in Rotary Kilns

Control of Sulfur Content of Sponge Iron Produced in Rotary Kilns Book
Author : R. C. Buehl,E. P. Shoub,J. P. Riott
Publisher : Unknown
Release : 1947
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Control of Sulfur Content of Sponge Iron Produced in Rotary Kilns book written by R. C. Buehl,E. P. Shoub,J. P. Riott, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Evaluating Raw Materials for Rotary kiln Production of Lightweight Aggregate

Evaluating Raw Materials for Rotary kiln Production of Lightweight Aggregate Book
Author : Howard Phillips Hamlin,George Templin
Publisher : Unknown
Release : 1962
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Evaluating Raw Materials for Rotary kiln Production of Lightweight Aggregate book written by Howard Phillips Hamlin,George Templin, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Sponge Iron Production in Rotary Kiln

Sponge Iron Production in Rotary Kiln Book
Author : Anonim
Publisher : PHI Learning Pvt. Ltd.
Release : 2011
ISBN : 812034099X
Language : En, Es, Fr & De

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Book Description :

Download Sponge Iron Production in Rotary Kiln book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Refractory Engineering and Kiln Maintenance in Cement Plants

Refractory Engineering and Kiln Maintenance in Cement Plants Book
Author : J.P. Saxena
Publisher : CRC Press
Release : 2003-01-01
ISBN : 9788188305001
Language : En, Es, Fr & De

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Book Description :

This book deals with two important areas that directly affect kiln availability for production. These two aspects decide if the cement plant would make profit or loss during the year. At the moment there is no book that deals with these aspects. The literature on these subjects is scattered and the totality of the subject is missing. The book Refractory Engineering and Kiln Maintenance in Cement Plants is an utmost requirement for the Cement Industry and would fulfil the needs of the Cement Industry all over the world. It has brought out various developments of refractory with the changing technological scenario. The contents is totally comprehensive in every respect and has been planned in such a way that starting from Changing Phases of Kiln Systems and Choice of Refractories, Improving the Kiln Up-time, there are also important chapters on Inspection, Storage and Packing of Refractories, Refractory Management, Kiln Maintenance with a bonus of a glossary of the technical terms. The book will serve as a handbook for production managers, production engineers, Kiln operators, refractory engineers, maintenance managers, purchase engineers, inventory engineers, warehouse officers and storekeepers.

Recommended Procedures for Mechanical Analysis of Rotary Kilns

Recommended Procedures for Mechanical Analysis of Rotary Kilns Book
Author : Robert P. Chapman
Publisher : Unknown
Release : 1985
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Recommended Procedures for Mechanical Analysis of Rotary Kilns book written by Robert P. Chapman, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Beyond the Blast Furnace

Beyond the Blast Furnace Book
Author : Amit Chatterjee
Publisher : CRC Press
Release : 2017-11-22
ISBN : 1351464248
Language : En, Es, Fr & De

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Book Description :

This unique book presents an in-depth analysis of all the emerging ironmaking processes, supplementing the conventional blast furnace method. Various processes for producing solid and liquid iron are discussed, including important features such as process outline, techno-economics, and process fundamentals. The present global status of each process is examined, projections for the future are made, and processes are compared. Beyond the Blast Furnace is valuable reading for process developers, because it gives them a complete picture of various process options. Conventional iron- and steelmakers as well as researchers and practitioners working in the area of alternative processes of ironmaking will also benefit from this ready reference. The book is an ideal text for undergraduate and postgraduate students in metallurgy.

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns Book
Author : Anonim
Publisher : Unknown
Release : 1979
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Externally fired rotary kilns were evaluated for use as regeneration reactors for the spent limestone sorbent from a fluid-bed combustor. Coke and spent sorbent containing approximately 8 wt % sulfur were reacted at temperatures between 960 and 1060/sup 0/C in two laboratory-scale externally fired rotary kilns to produce lime sorbent suitable for reuse, and concentrated SO/sub 2/. It was possible to achieve a high percent of sorbent regeneration, but the SO/sub 2/ concentration in the off-gas was low. Different operating conditions were required to produce a higher concentration of SO/sub 2/ in the off-gas, and under these conditions, the percent of sorbent regeneration was low. Two empirical equations and the shrinking-core reaction-rate model were examined for application to the experimentally determined kinetic data. The shrinking-core model appeared to fit the data better than the empirical equations, and could be a useful predictor of the conversion of sulfated limestone and of the SO/sub 2/ concentration in the off-gas from a rotary-kiln regenerator. The materials used in the construction of one of the laboratory kilns were typical of commercially available production-size rotary kilns that are externally fired. However, the materials of construction were not sufficiently durable to withstand the high SO/sub 2/ concentrations and high temperatures involved in this reaction.

Modelling of Rotary Kilns

Modelling of Rotary Kilns Book
Author : Michael David Heydenrych,Universiteit Twente
Publisher : Unknown
Release : 2001
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Modelling of Rotary Kilns book written by Michael David Heydenrych,Universiteit Twente, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Mineral Facts and Problems

Mineral Facts and Problems Book
Author : United States. Bureau of Mines
Publisher : Unknown
Release : 1975
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Mineral Facts and Problems book written by United States. Bureau of Mines, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Official Gazette of the United States Patent Office

Official Gazette of the United States Patent Office Book
Author : United States. Patent Office
Publisher : Unknown
Release : 1907
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Official Gazette of the United States Patent Office book written by United States. Patent Office, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Measurement of the Axial Dispersion Coefficient of Cohesive Powders in Rotary Kilns

Measurement of the Axial Dispersion Coefficient of Cohesive Powders in Rotary Kilns Book
Author : Ingrid Joylyn Paredes
Publisher : Unknown
Release : 2016
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

While continuous rotary calcination is a widely used thermal treatment in large-scale catalyst manufacturing, fundamental understanding of the process is absent from scientific literature. Thus, the goal of this research is to improve fundamental understanding of rotary calcination processes to aid in scale-up. For successful calcination to occur, the residence time of the particles must exceed the time required for heating and calcination. The optimal residence time therefore depends on both of these competing time scales, which are functions of feed material properties, kiln geometry and kiln operating conditions. For uniform treatment of the feed, the particles must also exhibit low axial dispersion. In this work, the residence time distribution and axial dispersion coefficient for two cohesive fluid cracking catalyst powders were measured in pilot plant kilns using a tracer study developed by Danckwerts. Results were successfully matched to the Taylor fit of the axial dispersion model and the Sullivan prediction for mean residence time. It was found that an increase in feed rate, kiln incline and rotary speed decreased mean residence time and overall dispersion. The axial dispersion coefficient was found to vary with kiln conditions. Such results have not been previously reported for the cohesive powders such as the ones used in our work.

SME Mineral Processing and Extractive Metallurgy Handbook

SME Mineral Processing and Extractive Metallurgy Handbook Book
Author : Courtney A. Young
Publisher : Society for Mining, Metallurgy & Exploration
Release : 2019-02-01
ISBN : 0873353854
Language : En, Es, Fr & De

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Book Description :

This landmark publication distills the body of knowledge that characterizes mineral processing and extractive metallurgy as disciplinary fields. It will inspire and inform current and future generations of minerals and metallurgy professionals. Mineral processing and extractive metallurgy are atypical disciplines, requiring a combination of knowledge, experience, and art. Investing in this trove of valuable information is a must for all those involved in the industry—students, engineers, mill managers, and operators. More than 192 internationally recognized experts have contributed to the handbook’s 128 thought-provoking chapters that examine nearly every aspect of mineral processing and extractive metallurgy. This inclusive reference addresses the magnitude of traditional industry topics and also addresses the new technologies and important cultural and social issues that are important today. Contents Mineral Characterization and AnalysisManagement and ReportingComminutionClassification and WashingTransport and StoragePhysical SeparationsFlotationSolid and Liquid SeparationDisposalHydrometallurgyPyrometallurgyProcessing of Selected Metals, Minerals, and Materials

The Modelling of Rotary Kilns

The Modelling of Rotary Kilns Book
Author : Anonim
Publisher : Unknown
Release : 2021-09-22
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Direct Firing of Rotary Kilns

Direct Firing of Rotary Kilns Book
Author : Plysius Ltd
Publisher : Unknown
Release : 2021-09-22
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Direct Firing of Rotary Kilns book written by Plysius Ltd, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Modelling of Rotary Kilns

Modelling of Rotary Kilns Book
Author : Michael David Heydenrych
Publisher : Unknown
Release : 2001
ISBN : 9789036515443
Language : En, Es, Fr & De

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Book Description :

Download Modelling of Rotary Kilns book written by Michael David Heydenrych, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.