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Bionic Design and Numerical Simulation of Rough-Breaking Tool for Attapulgite Clay

  • Research Article-Mechanical Engineering
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Abstract

Attapulgite has been widely used in food, chemical and building materials industries as a new mineral with a unique structure and complete application. Crushing is an essential part of the preliminary treatment of attapulgite. In general, the water content of newly excavated attapulgite is often as high as 44%. Therefore, when crushing the newly excavated attapulgite, the crusher will encounter sticking tools and agglomerating, which will lower crushing efficiency and lead to motor burning or other issues. To solve the above problems, the crusher cutter was improved by combining bionics and discrete element method in this paper, and the crushing process of attapulgite was simulated numerically. The results show that: (1) The numerical simulation results are in good agreement with the literature data; (2) bionic devices can increase the disturbance of concave soil particles and make them less likely to accumulate in the front of cutting tools; (3) the bionic tool designed with crocodile teeth has low rock breaking resistance and low energy consumption; the rock-breaking efficiency increases with teeth’ angle. The bionic tool can achieve the purpose of reducing viscosity and drag, and the optimized tool structure is simple and easy to realize. In addition, the introduction of bionics will help us to improve the shortcomings of traditional machinery and improve production efficiency.

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Acknowledgements

This work was funded by the National Natural Science Foundation of China (No. U19A2097) and Installation Engineering Co., Ltd. of CSCEC 7th Division. The authors also sincerely thank the editors and the reviewers for their efforts in improving this article.

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Authors and Affiliations

  1. School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an, 710049, China

    Yike Dang & Zheng Yang

  2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, 610059, China

    Haiyan Zhu & Qingyou Liu

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  1. Yike Dang
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  4. Qingyou Liu
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Correspondence to Haiyan Zhu.

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Dang, Y., Zhu, H., Yang, Z. et al. Bionic Design and Numerical Simulation of Rough-Breaking Tool for Attapulgite Clay. Arab J Sci Eng 48, 2747–2767 (2023). https://doi.org/10.1007/s13369-022-06999-9

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  • DOI: https://doi.org/10.1007/s13369-022-06999-9

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