Study on abrasive grinding characteristics of calcite

Jinlin Yang; Pengyan Zhu; Wenzhe Xu; Shaojian Ma

doi:10.1117/12.2638722

29 April 2022 Study on abrasive grinding characteristics of calcite

Jinlin Yang, Pengyan Zhu, Wenzhe Xu, Shaojian Ma

Proceedings Volume 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022); 122551O (2022) https://doi.org/10.1117/12.2638722
Event: 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 2022, Chongqing, China

Abstract

Impact and abrasion are the two main grinding mechanisms of ball mill and most of the studies on the co-existence of impact and abrasion were carried out by predecessors, but the single lapping action state has rarely been studied. Therefore, the pure natural calcite is taken as the research object in this paper, and the batch grinding, laser particle size analysis, statistics and Matlab programming techniques were applied to study the particle size distribution and law of calcite grinding products, the characteristics and law of single-grain grinding speed and the minimum particle size of grinding products under different feeding size fractions. The results show that the grinding force of material is more sufficient with the prolongation of grinding time and the trend of change is more significant with the fineness of feed size. The grinding speed decreases with the increase of grinding time, and the finer the feed size fraction is, the smaller the grinding speed is, but the grinding characteristics change with a certain feed particle size, which also indicates that the grinding mechanism under the grinding state is more complex with the decrease of the feed size fraction. The minimum particle size of grinding products under grinding condition is maintained in the range of 3.386~5.146μm by statistical method. The results can not only provide a theoretical basis for the subsequent research on the characteristics and rules of grinding in the cascading motion state, but also provide a new idea for the subsequent data processing in the grinding process.

Citation Download Citation

Jinlin Yang, Pengyan Zhu, Wenzhe Xu, and Shaojian Ma "Study on abrasive grinding characteristics of calcite", Proc. SPIE 12255, 2022 International Conference on Optoelectronic Information and Functional Materials (OIFM 2022), 122551O (29 April 2022); https://doi.org/10.1117/12.2638722

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KEYWORDS

Particles

Calcite

Statistical analysis

Abrasives

MATLAB

Data processing

Minerals

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