Bibliographies thématiques / Ore grinding, vertical roller mill

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Littérature scientifique sur le sujet « Ore grinding, vertical roller mill »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 9 février 2022

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Articles de revues sur le sujet "Ore grinding, vertical roller mill"

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Reichert, Mathis, Carsten Gerold, Andreas Fredriksson, Göran Adolfsson, and Holger Lieberwirth. "Research of iron ore grinding in a vertical-roller-mill." Minerals Engineering 73 (March 2015): 109–15. http://dx.doi.org/10.1016/j.mineng.2014.07.021.

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Altun, Deniz, Carsten Gerold, Hakan Benzer, Okay Altun, and Namık Aydogan. "Copper ore grinding in a mobile vertical roller mill pilot plant." International Journal of Mineral Processing 136 (March 2015): 32–36. http://dx.doi.org/10.1016/j.minpro.2014.10.002.

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Rais, Wahmin, Afrizul Evendi, Adriansyah Adriansyah, and Darman Dapersal Dinar. "Optimalisasi Sistem Perawatan dan Perbaikan Mesin Vertical Mill di PT. Semen Padang." Jurnal Teknik Mesin 13, no. 1 (2020): 31–37. http://dx.doi.org/10.30630/jtm.13.1.366.

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Vertical Mill is one of the main equipment in the Indarung IV factory PT. Semen Padang. This Vertical Mill is used to grind / crush the main ingredients of making cement such as Limestone, Silica stone, Clay, and Iron sand. Milling of this material is done with the help of a tool called a Roller Tire and grinding table. So that the Tire Tire and grinding table always work as expected, the Roller Tire and grinding table must be maintained and repaired continuously and planned. Major damage that is often encountered is the occurrence of wear and tear on the Tire Roller and the grinding roller. C
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Kalyagina, Nadezhda V., Ivan I. Karpukhin, Anna V. Kornilova, and Igor N. Silverstov. "Capacity of roller mill for cement grinding." RUDN Journal of Engineering Researches 21, no. 3 (2020): 181–88. http://dx.doi.org/10.22363/2312-8143-2020-21-3-181-188.

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Engineering for the cement industry is part of the heavy industry. The cement industry is the main supplier of raw materials for the production of concrete and reinforced concrete. For grinding cement, two types of mills are used - ball and roller. Recent decades have proven the great effectiveness of a vertical roller mill for grinding raw materials. Its effectiveness, combined with the implementation of drying, grinding and separation in one unit, gives it an undeniable advantage over a ball mill. This explains the significant increase in the share of roller mills in the cement mill market.
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Li, Kun Shan, and Yang Li. "The Application of the Non-Ball Mill for Superhard Refractories." Applied Mechanics and Materials 239-240 (December 2012): 1577–80. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.1577.

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The non-ball mill is a new-type grinding equipmentthat is developed on the foundation of the successful technology of vertical shaft breaker, vertical mill, roller etc., The crushing ratio is big, especially this machine adopts the advanced technology, of which the vulnerable part made up of metal and nonmetal is the first invention in the world, the life-span of the hammerhead covered with porcelain is over ten times than the alloy ’s. it is not only suitable for hard quality supplies but also for soft quality supplies, and the performance for the soft one is even better .
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Lieberwirth, Holger, and Lisa Kühnel. "Particle Size Effects on Selectivity in Confined Bed Comminution." Minerals 11, no. 4 (2021): 342. http://dx.doi.org/10.3390/min11040342.

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Confined bed comminution in high-pressure grinding rollers (HPGRs) and vertical roller mills (VRMs) was previously used preferably for grinding comparably homogeneous materials such as coal or clinker. Meanwhile, it started to complement or even replace tumbling mills in ore beneficiation with ore and gangue particles of rather different breakage behaviors. The selectivity in the comminution of a mixture of particles with different strengths but similar particle size distribution (PSD) of the constituents in a particle bed was investigated earlier. The strength of a material is, however, also
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Kittipongvises, Suthirat. "Feasibility of Applying Clean Development Mechanism and GHGs Emission Reductions in the Gold Mining Industry: A Case of Thailand." Environmental and Climate Technologies 15, no. 1 (2015): 34–47. http://dx.doi.org/10.1515/rtuect-2015-0004.

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Abstract There is presently overwhelming scientific consensus that global climate change is indeed occurring, and that human activities are the primary driver. An increasingly resource and carbon constrained world will continue to pose formidable challenges to major industries, including mining. Understanding the implications of climate change mitigation for the mining industry, however, remains limited. This paper presents the results of a feasibility study on the implementation of a clean development mechanism and greenhouse gases (GHGs) emission reductions in the gold mining industry. It dr
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Jiang, Xiao Hong, Ping Ye, and Zong Kai Li. "Analysis of Grinding Roller Stress Distribution of Vertical Roller Mill." Advanced Materials Research 936 (June 2014): 1862–67. http://dx.doi.org/10.4028/www.scientific.net/amr.936.1862.

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The quality of powder of non-metal materials directly relates to the force exerted on grinding roller, while the force on grinding roller relates to the thickness of the material layer. The uneven pressure distribution between the roller and material layer is caused by the drum-shaped characteristics of vertical mill grinding roller. This paper studies the pressure distribution of roller in compacted zones, established mathematical models of pressure distribution analysis, and provides a theoretical basis for improving the vertical mill production process as well as yield and quality of the po
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Liu, Wei Hua, Rui Ying Bai, and Ji Wei Cai. "Study on Particle Characteristics of Cement by Vertical Roller Mill Finish Grinding." Advanced Materials Research 690-693 (May 2013): 738–41. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.738.

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The particle characters and their physical properties of vertical roller mill finish grinding cements were studied in this paper. The difference with roller press-ball mill combined grinding products was also analysis. The results were shown that the particle size of the vertical roller mill finish grinding cements was more evenly distributed at the comparative average size. The proportion of the particles under the 3um and on 60um has fallen off a little; the average circularity and slenderness ratio were nearly same with combined grinding process, but the proportion of high circularity parti
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West, M. P. "Process Mechanics of Vertical Roller Mill Comminution Grinding." Journal of Engineering for Industry 113, no. 4 (1991): 381–87. http://dx.doi.org/10.1115/1.2899711.

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Thèses sur le sujet "Ore grinding, vertical roller mill"

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Reichert, Mathis. "Erzmahlung in Wälzmühlen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2016. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-207347.

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In der Erzindustrie findet ein Umdenken statt. Der Einsatz der bewährten aber energieineffizienten Sturzmühlen zur Mittel- und Feinzerkleinerung wird hinterfragt. In der Zementindustrie hat bereits ein vergleichbarer Technologiewandel stattgefunden. In diesem Bereich haben sich vor allem Wälzmühlen auf Grund ihrer Vorteile durchgesetzt. Diese Maschinen stellen auch für die Mahlung von Erzen eine Alternative zu konventionellen Sturzmühlen dar. In der Dissertation werden die Ergebnisse von systematisch durchgeführten Mahlversuchen mit einer Wälzmühle im Pilotmaßstab vorgestellt. Ziel der Untersu
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Actes de conférences sur le sujet "Ore grinding, vertical roller mill"

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Ludiger, Andreas. "Gearbox design development for central mill drives and vertical roller grinding mill drives." In 2007 IEEE Cement Industry Technical Conference Record. IEEE, 2007. http://dx.doi.org/10.1109/citcon.2007.358996.

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Wang, Chenguang, Qiang Zhang, Hui Wang, Yuxi Ji, and Shilei Zhang. "Expert PID Control of Grinding Condition for Cement Vertical Roller Mill." In 2020 IEEE 9th Joint International Information Technology and Artificial Intelligence Conference (ITAIC). IEEE, 2020. http://dx.doi.org/10.1109/itaic49862.2020.9339167.

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Çopur, Engin H., Metin U. Salamci, and Selahattin Gülbeyaz. "Vibration Analysis of a Vertical Roller Mill: Modeling and Validation." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20225.

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In this paper, vibration characteristics of a Vertical Roller Mill (VRM) are studied by using physical parameters of an operating VRM. The mathematical model is derived and simulated for a set of working parameters. Mechanical properties of the grinding material and the physical properties of the mechanical construction are used in the vibration model in order to obtain more realistic results. Simulation results are presented which give critical frequencies of the VRM. The effects of the hydraulic compressive force to the vibration characteristics are investigated. The effects of the material
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Woywadt, Caroline. "Grinding process optimization — Featuring case studies and operating results of the modular vertical roller mill." In 2017 IEEE-IAS/PCA Cement Industry Technical Conference. IEEE, 2017. http://dx.doi.org/10.1109/citcon.2017.7951850.

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Takeno, Yutaka, Hiroaki Kanemoto, and Hideo Mitsui. "A Demonstration Study on a High Performance Vertical Roller Mill for a Pulverized Coal Firing Boiler." In ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55365.

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We have developed new technologies to improve particle classification performance of vertical roller mills using a rotary nozzle ring with reverse swirling flow and a louver separator. A rotary nozzle and a louver are installed in primary and secondary classification sections of the mill, respectively. A series of tests using a pilot scale mill showed that these technologies reduce the fraction of coarse particles, power consumption of the mill and mill differential pressure. For an industrial scale-up, we conducted a demonstration test using a vertical roller mill equipped in a 700MW thermal
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