Correlating common breakage modes with impact breakage and ball milling of cement clinker and chromite

Camalan, Mahmut

doi:10.1016/j.ijmst.2020.03.017

Cited by 17 publications

(4 citation statements)

References 32 publications

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“…It can be seen that the slope m of the primary function fitted for each particle size by steel ball milling is close, generally representing a rise-fall trend. As the size of the ore particles decreases, the energy required for breakage and crushing difficulty increases with higher particle strength [28,29]. On the other hand, the steel ball carries large kinetic energy.…”

Section: Breakage Ratementioning

confidence: 99%

Enhancing the Grinding Efficiency of a Magnetite Second-Stage Mill through Ceramic Ball Optimization: From Laboratory to Industrial Applications

Wu,

Chen,

Liao

et al. 2024

Minerals

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Ceramic ball milling has demonstrated remarkable energy-saving efficiency in industrial applications. However, there is a pressing need to enhance the grinding efficiency for coarse particles. This paper introduces a novel method of combining media primarily using ceramic balls supplemented with an appropriate proportion of steel balls. Three grinding media approaches, including the utilization of steel balls, ceramic balls, and a hybrid combination, were investigated. Through an analysis of the grinding kinetics and the R–R particle size characteristic formulas, the study compares the breakage rate and particle size distribution changes for the three setups. The results indicate that employing binary media effectively improves the grinding efficiency for +0.3 mm coarse particles while maintaining the energy-saving advantages of ceramic ball milling. Simultaneously, the uniformity of the ground product is ensured. This proposed approach has been successfully validated in industrial applications, providing robust theoretical support for the expansion of ceramic ball milling applications.

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Section: Breakage Ratementioning

confidence: 99%

Enhancing the Grinding Efficiency of a Magnetite Second-Stage Mill through Ceramic Ball Optimization: From Laboratory to Industrial Applications

Wu,

Chen,

Liao

et al. 2024

Minerals

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“…Grinding operations, which diminish the particle size of minerals, are applied extensively across various sectors to process solid mineral resources, including mining, chemical engineering, metallurgy, and the production of construction materials [1][2][3]. Grinding operations are crucial in the mineral processing industry, in which the investment in infrastructure constitutes approximately 60% of the total construction expenses for a mineral processing facility, and operational costs contribute to around 40% to 50% of the overall expenses of a plant [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Study on the Population Balance Dynamics Simulation of Grinding under Impact Crushing

Ma,

Yang,

et al. 2024

Applied Sciences

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During the grinding process, the crushing of minerals mainly depends on the impact action of the grinding medium. Based on the JK drop weight test data of quartz and pyrrhotite and the research results of their impact crushing characteristic parameters, this paper calculates the specific crushing energy (Ecs) of mineral samples subjected to impact in a ball mill using the grinding medium motion theory and then calculates the cumulative particle size distribution under screening under any mesh size using the JK drop weight test method. On this basis, the breakage distribution function of mineral samples is calculated, and a selection function is obtained based on grinding experiments. Finally, using Matlab programming and function-fitting mathematical methods, as well as a particle size population balance dynamics simulation of grinding, the particle size distribution characteristics of the grinding products of the two mineral samples in the mill that are only subjected to impact action are calculated. The results show that the selection function of quartz and pyrrhotite decreases overall with the prolongation of the grinding time, and the selection function of the coarse particle size changes more significantly than that of the fine particle size. At the same time, the selection function decreases with the decrease in feed particle size, and the smaller the feed particle size, the lower the probability of impact crushing. The Ecs values of quartz and pyrrhotite at each particle level in the mill are different, and the degree of mineral crushing is closely related to the impact energy, feed particle size, and mineral properties.

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“…The crushing operation of ores is widely used in solid mineral resource processing fields such as mining, the chemical industry, metallurgy, building materials, thermal power, etc. [1][2][3]. The crushing process of ore plays a very important role in mineral processing production, with its infrastructure costs accounting for about 60% of the construction cost of the concentrator, and production costs accounting for 40% to 50% of the concentrator [4,5].…”

Section: Introductionmentioning

confidence: 99%

Study on Impact Crushing Characteristics of Minerals Based on Drop Weight Tests

Yang

et al. 2023

Minerals

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The degree of difficulty in crushing an ore depends on the composition of the ore itself. Due to different types and compositions of ores, the crushing mechanism of ores during the crushing process is also different. In order to quantitatively analyze the impact crushing characteristics of mineral components in ores, this paper takes pure mineral quartz, pyrrhotite, and pyrite as the research objects and uses the universal drop weight impact crushing test equipment and standard test methods developed by the JK Mineral Research Center of the University of Queensland, Australia, to conduct JK drop weight tests on these three pure mineral samples. The results show that the particle size distribution of impact crushing products is wide, covering all particle sizes from “0” to close to the feed particle size, and the yield distribution of each product particle size is relatively uniform. There are critical values and “energy barrier” effects for the impact-specific crushing energy. The impact-specific crushing energy has a significant impact on the particle size composition and crushing effect of the crushing product, and there is an interactive effect between the impact-specific crushing energy and the feed particle size and mineral type. The impact crushing resistance of the sample can be characterized by using Mohs hardness, impact crushing characteristic parameters, impact crushing resistance level, and the yield limit value t10 of the characteristic crushing particle size. The overall characterization results have good consistency.

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Correlating common breakage modes with impact breakage and ball milling of cement clinker and chromite

Cited by 17 publications

References 32 publications

Enhancing the Grinding Efficiency of a Magnetite Second-Stage Mill through Ceramic Ball Optimization: From Laboratory to Industrial Applications

Enhancing the Grinding Efficiency of a Magnetite Second-Stage Mill through Ceramic Ball Optimization: From Laboratory to Industrial Applications

Study on the Population Balance Dynamics Simulation of Grinding under Impact Crushing

Study on Impact Crushing Characteristics of Minerals Based on Drop Weight Tests

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