April 13, 2021

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Limestone Sorbent Regeneration in Externally Fired Rotary Kilns

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns
Author : Argonne National Laboratory,D.S. Moulton,F.F. Nunes
Publisher : Unknown
Release Date : 1979
Category : Limestone
Total pages :34
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Rotary Kilns

Rotary Kilns
Author : Akwasi A Boateng
Publisher : Butterworth-Heinemann
Release Date : 2011-03-31
Category : Technology & Engineering
Total pages :368
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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

Carbon Reactivation by Externally-fired Rotary Kiln Furnace

Carbon Reactivation by Externally-fired Rotary Kiln Furnace
Author : Jinglin Zhen,Leon S. Directo
Publisher : Unknown
Release Date : 1980
Category : Carbon, Activated
Total pages :36
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Heat Transfer in Rotary Kilns with Due Regard to Cyclic Processes and Phase Formation

Heat Transfer in Rotary Kilns with Due Regard to Cyclic Processes and Phase Formation
Author : Paul Weber
Publisher : Unknown
Release Date : 1963
Category : Cement kilns
Total pages :98
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Limestone Sorbent Regeneration in Externally Fired Rotary Kilns

Limestone Sorbent Regeneration in Externally Fired Rotary Kilns
Author : Anonim
Publisher : Unknown
Release Date : 1979
Category :
Total pages :129
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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.

Producing Nickel-bearing Iron from Cuban Ores in a Batch Rotary Kiln

Producing Nickel-bearing Iron from Cuban Ores in a Batch Rotary Kiln
Author : Warren M. Mahan
Publisher : Unknown
Release Date : 1960
Category : Iron ores
Total pages :21
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Recommended Procedures for Mechanical Analysis of Rotary Kilns

Recommended Procedures for Mechanical Analysis of Rotary Kilns
Author : Robert P. Chapman
Publisher : Unknown
Release Date : 1985
Category : Kilns, Rotary
Total pages :105
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The Rotary Cement Kiln

The Rotary Cement Kiln
Author : Kurt E. Peray
Publisher : California Historical Society
Release Date : 1986
Category : Technology & Engineering
Total pages :396
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An indispensable reference source and training tool not only for kiln operators, but for supervisors and management staff as well. Extensive discussions on pre-heater and pre-calciner operations are included. The appendix includes a section with conversion tables, definitions of common terms relating to rotary kilns, and a suggested outline for a training program for new operators. Contents PART 1. KILN SYSTEMS AND THEORY 1. History 3 2. Types of Rotary Kilns 6 3. The Refractory 17 4. Fuels 37 5. Combustion 44 6. The Flame 63 7. Heat Transfer 83 8. Heat Balances 106 9. The Chemistry of Kiln Feed and Clinker 115 10. Reaction Zones in the Rotary Kiln 141 11. Coating and Ring Formation in a Rotary Kiln 147 12. The Air Circuit in a Rotary Kiln 155 13. Movement of Material Through the Kiln 174 PART II. KILN OPERATING PROCEDURES 199 14. Kiln Operating and Control Methods 201 15. Instrumentation 207 16. Kiln Control Variables 232 17. Fuel Systems 253 18. Clinker Cooler Control 266 19. Kiln Exit-Gas Temperature Control 292 20. Feed-Rate Control 299 2I. Kiln Starts and Shutdowns 308 22. The 27 Basic Kiln Conditions 327 23. Kiln Emergency Conditions 346 24. Safety and Accident Prevention 362 Appendix A: The International System of Units (SI) 367 Appendix B: Weights and Measures 369 Appendix C: Temperature Conversions 378 Appendix D: Kiln Operator's Quiz 382 Index 386

The Rotary Kiln

The Rotary Kiln
Author : Victor J. Azbe
Publisher : Unknown
Release Date : 1956
Category : Kilns
Total pages :89
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Engineering Record, Building Record and Sanitary Engineer

Engineering Record, Building Record and Sanitary Engineer
Author : Edward J. Mehren,Henry Coddington Meyer,Charles Frederick Wingate,John M. Goodell
Publisher : Unknown
Release Date : 1898
Category : Building
Total pages :129
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Rotary Kiln Technology

Rotary Kiln Technology
Author : Anonim
Publisher : Unknown
Release Date : 1987
Category : Cement kilns
Total pages :115
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Handbook of Pollution Control Processes

Handbook of Pollution Control Processes
Author : Robert Noyes
Publisher : William Andrew
Release Date : 1991
Category : Technology & Engineering
Total pages :758
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This handbook provides a comprehensive and thorough overview of technology for pollution control processes. It will be of interest to those engineers, consultants, educators, architects, planners, government officials, industry executives, attorneys, students, and others concerned with solving environmental problems. The pollution control processes are organized into chapters by broad problem areas, and appropriate technology for decontamination, destruction, isolation, etc., for each problem area is presented. Since many of these technologies are useful for more than one problem area, a specific technology may be included in more than one chapter, modified to suit the specific considerations involved. The pollution control processes described are those that are actively used today, as well as those innovative and emerging processes that have good future potential. An important feature of the book is that advantages and disadvantages of many processes are cited. Also, in many cases, regulatory-driven trends are discussed which will impact the technology used in the future.

A Contribution to the Optimal Design of Ride-Rings for Industrial Rotary Kilns

A Contribution to the Optimal Design of Ride-Rings for Industrial Rotary Kilns
Author : Heng Long Li
Publisher : Unknown
Release Date : 1984
Category :
Total pages :129
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Ceramic Abstracts

Ceramic Abstracts
Author : American Ceramic Society
Publisher : Unknown
Release Date : 1995
Category : Ceramics
Total pages :129
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Czechoslovak Heavy Industry

Czechoslovak Heavy Industry
Author : Anonim
Publisher : Unknown
Release Date : 1963
Category : Technology
Total pages :129
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