Academic literature on the topic 'Rotary kilns'

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Journal articles on the topic "Rotary kilns"

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Sekisov, Aleksandr, and Georgy Serga. "Rotary-screw systems for rotary kilns." E3S Web of Conferences 91 (2019): 02034. http://dx.doi.org/10.1051/e3sconf/20199102034.

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The proposed paper examines rotary-screw systems for rotary kilns in the production of expanded clay. To reduce the size, reduce weight, increase productivity, simplify operation, reduce energy consumption in the production of expanded clay, the shell is made screw-shaped and mounted horizontally. Technical solutions protected by six patents of the Russian Federation are proposed, the structures of the shells of rotary kilns are shown, which, in comparison with the known structures of similar purpose, are made screw-shaped with internal spiral grooves. The dependence is proposed for determinin
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Bajraktari-Gashi, Zarife, Muharrem Zabeli, and Erard Morina. "Determination of adhesion stages of the Fe-Ni ore at the Ferronikeli plant in Drenas." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 5 (2020): 37–42. http://dx.doi.org/10.33271/nvngu/2021-5/037.

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Abstract: Purpose. The process of calcine production in rotary kilns at the Ferronikeli plant in Drenas is realized with great difficulties as a result of the formation of large adhesions in the areas of rotary kilns. So far, the removal of load adhesions during the work process inside the rotary kilns is achieved only by their physical removal. The purpose of the paper is to determine the factors in reducing adhesions in the process of calcine production in the areas of rotary kilns, in the Ferronikeli plant in Drenas. Methodology. Chemical analysis of iron-nickel ore. The determination of th
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Lapaev, I. I., V. V. Sorokin, S. E. Goloskin, and A. V. Orlov. "About the lining of the rotary kilns for the petroleum coke calcination." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 1 (April 26, 2019): 3–7. http://dx.doi.org/10.17073/1683-4518-2019-1-3-7.

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The brief description is given in the article for the engineering process and design of the rotary kilns for the petroleum coke KEP-1 and KEP-2 calcination, as well as the requirements to the lining of some parts of these kilns are presented. The lining bricklaying's features and principal methods used for the rotary kilns the foreign ones including are shown. The efficient possible lining option for the rotary kilns with the diameter both of 3 and 45 meters is described. The design and the modern materials are proposed to line up the calcining kiln for the KEP-2 calcined petroleum coke manufa
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Mun, Seongil, and Jehyeung Yoo. "Operating Key Factor Analysis of a Rotary Kiln Using a Predictive Model and Shapley Additive Explanations." Electronics 13, no. 22 (2024): 4413. http://dx.doi.org/10.3390/electronics13224413.

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The global smelting business of nickel using rotary kilns and electric furnaces is expanding due to the growth of the secondary battery market. Efficient operation of electric furnaces requires consistent calcine temperature in rotary kilns. Direct measurement of calcine temperature in rotary kilns presents challenges due to inaccuracies and operational limitations, and while AI predictions are feasible, reliance on them without understanding influencing factors is risky. To address this challenge, various algorithms including XGBoost, LightGBM, CatBoost, and GRU were employed for calcine temp
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Urbano, José, Jorge Henriquez, Alvaro Ochoa, Ana Primo, and Breno Souza. "Dynamic modeling of the heat transfer process in rotary kilns with indirect oil heating: Parametric analysis of gypsum calcination case." Thermal Science, no. 00 (2021): 245. http://dx.doi.org/10.2298/tsci210523245u.

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This work proposes a mathematical modeling and numerical simulation of a gypsum rotary kiln with indirect oil heating in a three-dimensional transient regime. The mathematical model was based on Fourier's Law as a constitutive relationship and the principle of energy conservation, applied to a control volume in cylindrical coordinates. Furthermore, a bed homogenization model was used to represent the most realistic condition of the physical phenomenon since some rotary kilns have internal fins that aim at homogenizing the gypsum temperature during calcination. This work intends to fill the gap
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Valeriy, Shcherbina, Shvachko Denis, and Borshchik Serhiy. "HEAT EXCHANGE SIMULATION IN ENERGY ZONES OF A ROTARYKILN WITH CHANGE OF HEAT RESISTANCE OF THE BODY." Technology audit and production reserves 6, no. 1 (50) (2019): 36–41. https://doi.org/10.15587/2312-8372.2019.189169.

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<em>The object of research is high-temperature thermal units &ndash; rotary kilns. Rotary kilns are used in various industries. The specified equipment has high energy consumption, which is due to the operating conditions of the kiln units in compliance with a number of technological requirements for thermal conditions. At the same time, the problem of high energy intensity is aggravated by the low level of useful energy resources. One of the most problematic places is the thermal and operational characteristics of rotary kilns, as well as the use of lining with increased thermal resistance.</
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Saidi Amraoui, Houda, Khalid Janati Idrissi, and Nabil Moujibi. "Diagnostic Methods for Industrial Systems: A Case Study of Rotary Kilns in Cement Manufacturing." E3S Web of Conferences 601 (2025): 00045. https://doi.org/10.1051/e3sconf/202560100045.

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With the continuous increase in complexity in industrial systems and the growing importance of maintaining their safety, numerous research efforts have aimed to develop various methods for detecting, locating, and identifying system anomalies as early as possible. In this context, we present existing diagnostic methods and use the rotary kiln in cement manufacturing as a case study for this analysis. Because of the kiln’s large volume and the high temperatures involved, this complex structure is subjected to stress and deformation during its operation. Therefore, this study proposes a new solu
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Gashi, Zarife Bajraktari, Rrahim Maksuti, and Nagip Murati. "The Usage of Pet Kok is a Possibility of Reducing the Amount of Heavy Oil in the Rotary Kilns in the New Foundry of the New Ferronikel in Drenas." Applied Mechanics and Materials 749 (April 2015): 111–15. http://dx.doi.org/10.4028/www.scientific.net/amm.749.111.

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In this project we have represented the reduction of the ancillary heavy oil substance in the rotary kilns in the new foundry of the new Ferronickel in Drenas, with the use of the ancillary substance Pet Kok. The experimental and industrial research have been analyzed during the years 2008,2009,2010,2011,2012 and 2013. The chemical composition of heavy oil was analyzed in the INKOS Institute in Obiliq, while the composition of Pet Kok in the laboratory of the new foundry in the new Ferronickel in Drenas. The use of Pet Kok reduces the attachment of the substances in the rotary kilns walls, and
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Berta, René, and Ladislav Lukáč. "Ash ring formation in lime rotary kilns." Advances in Thermal Processes and Energy Transformation 1, no. 1 (2018): 01–04. http://dx.doi.org/10.54570/atpet2018/01/01/0001.

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This paper describes in different sections all know factors influencing ash ring formation in lime rotary kilns. Ash ring is mostly influence by fuel and lime properties and its impurities and process conditions. The paper describes different types of ash rings that might formed in rotary kilns. Factors were analyzed from feed batch, fuel to construction parts of rotary kilns. Papers describes all know factors how to prevent ash ring formation and how decrease ash ring formation and its influence on operational conditions of lime rotary kilns.
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Khamesi, Seyed Sina, Pouria Kavandi, and Maryam Mohammadi. "Simulating the Granular Materials Flow in Rotary Kilns." Applied Mechanics and Materials 232 (November 2012): 477–81. http://dx.doi.org/10.4028/www.scientific.net/amm.232.477.

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Granular materials flow is discussed by different models. These models are 2D and each of them includes some special effects of two phase flow. For simulating the 3D flow of granular materials in rotary kilns, a model based on finite volume method (FVM) is presented which includes axial and rotational motion and also all of the effects of two phase flow such as: viscosity effect, particle size, rotating velocity of kiln, kiln tilt, etc. This method is used according to a real kind of rotary kiln and hypothetical clogging inside of kiln. The simulation results in both 2D and 3D views are presen
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Dissertations / Theses on the topic "Rotary kilns"

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Heydenrych, Michael David. "Modelling of rotary kilns : proefschrift ... /." [Enschede?] : University of Twente, 2001. http://www.ub.utwente.nl/webdocs/ct/1/t00000628.pdf.

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Mujumdar, K. S. "Modeling of rotary cement kilns." Thesis(Ph.D.), Indian Institute of Technology, Bombay, 2008. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2645.

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Barr, Peter Vernon. "Heat transfer processes in Rotary kilns." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26772.

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An experimental investigation of rotary kiln heat transfer processes was carried out and a unified heat transfer model developed to describe the individual processes and their interaction. A 0.406 m ID by 5.5m refractory lined pilot kiln firing natural gas was utilized for a series of 23 heat transfer trials. Limestone, petroleum coke and two Ottawa sands were heated using a wide range of firing rates while rotation rate, kiln inclination, kiln loading and bed depth were held nearly constant. The bed material was in the rolling mode for all trials. Measurements were made to obtain the net hea
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Tackie, Emmanuel Nii. "Elutriation of particles from rotary kilns." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27549.

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The elutriation of fine materials from the solids bed in rotary kilns was studied in a laboratory scale steel cylinder of 0.2m in diameter and 2.4m in length. The cylinder was charged with a batch of fine alumina particles having a mean size of 64jum and the average elutriation rate measured at different air flow rates, rotational speeds and percentage of solids fill. All measurements were done at room temperature. To show the effect of fines concentration and segregation in the solids bed, a binary mixture of fine alumina and coarse Ottawa sand was used. Local dust concentration profiles were
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Lam, Basil Pui Man. "Convective heat transfer in rotary kilns." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613325.

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Hart, G. "Enhancing convective heat transfer in rotary kilns." Thesis, University of Surrey, 1985. http://epubs.surrey.ac.uk/842753/.

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The Fuels and Energy Research Group at the university of Surrey (FERGUS) have been investigating the heat transfer and energy utilisation within rotary cement kilns since the early 1970's. One such project has been the study of chain systems in cement kilns. The work presented in this thesis is an investigation of a chain system for dry process cement kilns. A review of the literature has highlighted that there is a general paucity of experimental work on cement kilns, and in particular, very little on the role of chain systems. This lack of applicable results is due to the fact that experimen
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Alyaser, Abdelmonem H. "Fluid flow and combustion in rotary kilns." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/NQ34505.pdf.

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McTait, Graeme Edgar. "Residence times and solid flows in rotary kilns." Thesis, University of Cambridge, 1999. https://www.repository.cam.ac.uk/handle/1810/251697.

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Ramanenka, Dmitrij. "Numerical Evaluation of Brick Lining Status in Rotary Kilns." Licentiate thesis, Luleå tekniska universitet, Material- och solidmekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16806.

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Rotary kilns are important in a variety of different manufacturing areas for e.g. calcination and sintering of materials. In fact, two of the most produced materials in the world, cement and iron, are likely to start their journey in a rotary kiln.A rotary kiln is a large cylinder-formed furnace which rotates about its axis and where certain chemical and physical reactions take place by the influence of heat. The slope and the rotation make the material inside to move through the kiln from feed to discharge end. Due to high process temperatures the casing of the kiln is insulated by a refracto
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Bongo, Njeng Alex Stéphane. "Experimental study and modeling of hydrodynamic and heating characteristics of flighted rotary kilns." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2015. http://www.theses.fr/2015EMAC0009/document.

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Ce travail porte sur l'étude de fours tournants équipés de releveurs. Ce sont des contacteurs gaz/solide largement répandus dans de nombreux secteurs industriels mettant en oeuvre des solides divisés. Cependant en raison d'une faible connaissance du fonctionnement de ces équipements notamment en matière d'écoulement ou de transfert thermique, leur utilisation repose encore beaucoup sur le savoir faire des opérateurs acquis avec le temps. Ainsi ce travail vise à fournir aux ingénieurs des outils de connaissance et d'extrapolation pour les accompagner dans les phases de dimensionnement, mais aus
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Books on the topic "Rotary kilns"

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Benson, R. C. Evaluation of primary air vitiation for nitric oxide reduction in a rotary cement kiln. U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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Benson, R. C. Evaluation of primary air vitiation for nitric oxide reduction in a rotary cement kiln. U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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Symposium, of the International Rotary Kiln Users' Association (3rd 1987 Ocho Rios Jamaica). Rotary kiln technology: Proceedings of the Third Symposium of TIRKUA. World Cement Pub., 1987.

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Boateng, Akwasi Acheampong. Rotary kilns: Transport phenomena and transport processes. Elsevier/Butterworth-Heinemann, 2008.

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Drevit͡skiĭ, E. G. Povyshenie ėffektivnosti raboty vrashchai͡ushchikhsi͡a pecheĭ. Stroĭizdat, 1990.

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Gill, James H. Incineration of hazardous, toxic, and mixed wastes: A textbook and handbook. North American Mfg. Co., 1993.

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Abdeev, M. A. Velʹt͡s︡evanie t͡s︡ink-svinet͡s︡soderzhashchikh materialov. Metallurgii͡a︡, 1985.

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Alexopoulos, Spiridon Orestis. Simulation des dynamischen Betriebsverhaltens von solarbeheizten Drehrohrreaktoren zum Aluminiumschmelzen. VDI, 2004.

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Alexopoulos, Spiridon Orestis. Simulation des dynamischen Betriebsverhaltens von solarbeheizten Drehrohrreaktoren zum Aluminiumschmelzen. VDI, 2004.

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National Risk Management Research Laboratory (U.S.), ed. Sonotech, Inc. frequency-tunable pulse combustion system (Cello pulse burner). The Agency, 1997.

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Book chapters on the topic "Rotary kilns"

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Pershing, D. W., J. S. Lighty, G. D. Silcox, M. P. Heap, and W. D. Owens. "Solid Waste Incineration in Rotary Kilns." In Combustion Technologies for a Clean Environment. CRC Press, 2022. http://dx.doi.org/10.1201/9780367810597-46.

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Li, Tao, Yijia Zhou, Na Zhao, and Hongzhe Zhao. "Unsupervised Defogging for Rotary Kilns Image." In Advances and Trends in Artificial Intelligence. Theory and Applications. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-36819-6_14.

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Kopáčik, Alojz, Ján Erdélyi, and Peter Kyrinovič. "Setting-Out and Control of Rotary Kilns." In Engineering Surveys for Industry. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-48309-8_9.

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Jacobsen, Niels I., and Leo F. Juhl. "Rotary Kilns - Lining Design and Energy Savings." In Proceedings of the Unified International Technical Conference on Refractories (UNITECR 2013). John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118837009.ch58.

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Scherbyna, Valerii, Aleksandr Gondlyakh, Aleksandr Sokolskiy, Yaroslav Shilovich, and Nataliia Bulavina. "Failure Analysis of Refractories in Rotary Kilns." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16651-8_53.

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Otomo, T., T. Nakagawa, and H. Akaike. "Statistical Approach to Computer Control of Cement Rotary Kilns." In Springer Series in Statistics. Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-1694-0_13.

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Edwards, Les. "Quality and Process Perforamnce of Rotary Kilns and Shaft Calciners." In Light Metals 2011. Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48160-9_153.

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Edwards, Les. "Quality and Process Performance of Rotary Kilns and Shaft Calciners." In Essential Readings in Light Metals. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48200-2_4.

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Elkanzi, E. M., F. S. Marhoon, and M. J. Jasim. "Kinetic Analysis of the Coke Calcination Processes in Rotary Kilns." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03581-9_3.

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Edwards, Les. "Quality and Process Performance of Rotary Kilns and Shaft Calciners." In Essential Readings in Light Metals. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647745.ch4.

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Conference papers on the topic "Rotary kilns"

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Whittaker, G. S. "Materials Performance Experience in Industrial Waste Incinerators at Tennessee Eastman Company." In CORROSION 1986. NACE International, 1986. https://doi.org/10.5006/c1986-86108.

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Abstract Since the early 1960s, the Tennessee Eastman Company has been disposing of solid and liquid waste in several waste incinerators. Solid waste is burned in two rotary kilns, and liquid waste is incincerated in a single chemical destructor. Additionally, a tar refining furnace is operated to recover a valuable catalyst. Experience has led to many improvements in all of these systems. Refractory life in the rotary kilns has increased from 90 days to 18 months. The rotary kiln off-gas handling system has been completely redesigned to eliminate many corrosion problems. The first chemical de
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Perdomo, Jorge J. "Rotary Lime Kiln Materials Issues and Repairs." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07212.

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Abstract This paper presents several material problems experienced with rotary lime kiln operation, along with approaches to mitigate them Some of the problems discussed are fatigue, high temperature sulfidic corrosion, creep and impact damage, and their effects on burner nozzles, shell, and lump breakers. The information is based upon field experiences during scheduled and non-scheduled maintenance operations in several North American paper mills.
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Sun, Xiaohong, Tao Zheng, Chao Bian, and Lianyong Wang. "Design of low-NOx burner for coal-fired lime rotary kiln." In Tenth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2024), edited by Yuanhao Wang and Cristian Paul Chioncel. SPIE, 2024. https://doi.org/10.1117/12.3050716.

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He, Jianxin, Yanjun Jiang, Xiaochao Fan, ChangJiang Li, HongLin Ye, and Bowen Liu. "Rotary Kiln Wall Thickness Detection Method Based on Infrared Temperature Measurement." In 2024 IEEE 2nd International Conference on Image Processing and Computer Applications (ICIPCA). IEEE, 2024. http://dx.doi.org/10.1109/icipca61593.2024.10709073.

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Georgallis, M., P. Nowak, M. Salcudean, and I. S. Gartshore. "Three-Dimensional Modeling of Lime Kilns." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1603.

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Rotary kilns have wide use in industry from the calcination of limestone to cement manufacturing to calcining of petroleum coke etc. Problems such as low thermal efficiency and low product quality have plagued rotary kiln operations yet these machines have survived and have been continuously improved (fuel efficiency, automation) for over a century.
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Ruiz, Janneth, Antonio Ardila, Bernardo Rueda, et al. "Empirical Determination of the Design Influence of Large Industrial Rotary Kilns for Ferronickel Production on Heat Transfer and Energy Performance." In ASME 2021 Heat Transfer Summer Conference collocated with the ASME 2021 15th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/ht2021-63970.

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Abstract In the industrial process of ferronickel production from lateritic minerals, the influence of design factors, constructive and dimensional aspects on the heat transfer and energy performance of the equipment have been little addressed. The literature focuses on cement kilns or iron and steel production applications. This work compares the influence of the approaches considered in the early phases of the design process on heat transfer and energy performance for two ferronickel rotary kilns. For this purpose, a retrospective analysis was realized identifying requirements, operating pri
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Bohan, Richard P. "Heat transfer in rotary kilns: a retrospect." In 2016 IEEE-IAS/PCA Cement Industry Technical Conference. IEEE, 2016. http://dx.doi.org/10.1109/citcon.2016.7742666.

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Amritkar, Amit Ravindra, Danesh Tafti, and Surya Deb. "Particle Scale Heat Transfer Analysis in Rotary Kiln." In ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ht2012-58137.

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Rotary furnaces have multiple applications including calcination, pyrolysis, carburization, drying, etc. Heat transfer through granular media in rotary kilns is a complex phenomenon and plays an important role in the thermal efficiency of rotary furnaces. Thorough mixing of particles in a rotary kiln determines the bed temperature uniformity. Hence it is essential to understand the particle scale heat transfer modes through which the granular media temperature changes. In this study, numerical simulations are performed using coupled Discrete Element Method (DEM) and Computational Fluid Dynamic
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Sandaka, P. Ch Gourisankar, Ashok Kumar Nallathambi, and Eckehard Specht. "Finite Element Analysis of Reaction Front Tracking in Lime Calcination." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44572.

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Calcination process is carried out in shaft kilns or rotary kilns for producing the lime. In the present work, the decomposition rates of the limestone in shaft kiln are experimentally measured in laboratory scale equipment. Mathematical model has been developed by using Finite element technique to track the reaction front movement from the surface to the core. The results obtained from the experiments are compared and validated with that of the model. Influences of parameters such as ambient temperature and the particle size are studied. The variation of reaction zone thickness during the pro
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Liu, Xiaoyan, and Jieping Chen. "Survey on monitoring of solids movement in rotary kilns." In 2014 11th World Congress on Intelligent Control and Automation (WCICA). IEEE, 2014. http://dx.doi.org/10.1109/wcica.2014.7053165.

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Reports on the topic "Rotary kilns"

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Price, J. T., D. Cameron, and P. Couturier. Potential of briquetting QIT rotary kiln fines. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/304577.

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Cobb, J. T. Jr. Coal desulfurization in a rotary kiln combustor. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/6031667.

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Cobb, J. T. Jr. Coal desulfurization in a rotary kiln combustor. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/7068646.

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Cobb, J. T. Jr. Coal desulfurization in a rotary kiln combustor. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6986558.

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Fisher, D. L. Zink rotary kiln seal: Cam followers. Revision 1. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/57621.

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Cosper, Stephen. Rotary kiln gasification of solid waste for base camps. Construction Engineering Research Laboratory (U.S.), 2018. http://dx.doi.org/10.21079/11681/26600.

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D.P. Baldwin, S.J. Bajic, D.E. Eckels, and D.S. Zamzow. Testing of a Continuous Sampling Mercury CEM at the EPA-Rotary Kiln Incinerator Simulator Facility. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/797632.

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Cobb, J. T. Jr. Coal desulfurization in a rotary kiln combustor. Final report, March 15, 1990--July 31, 1991. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10110381.

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Shaddix, Christopher R., David K. Ottesen, Sarah W. Allendorf, C. Andy Miller, and Paul M. Lemieux. Evaluation of near-infrared tunable diode lasers for detection of transient emissions from a rotary kiln. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/918248.

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Cobb, J. T. Jr. Coal desulfurization in a rotary kiln combustor. Quarterly report No. 1, April 16, 1990--July 15, 1990. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/10182858.

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