Determiantion of energy characteristics of material destruction in the crushing chamber of the vibration crusher

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.239292

Keywords:

vibration crusher, crushing chamber, resonant mode, process of destruction, energy, stress, deformation

Abstract

The crushing equipment is characterized by a significant energy-consuming system during the crushing workflow. The current trend in the development of such processes puts forward requirements for the development of new or improvement of existing energy-saving equipment. The essence of the solution to the problem in this work is determined by using resonant modes, which are inherently the most effective. The practical implementation of the resonance mode has been achieved taking into account the conditions for the interaction of the resonant vibration crusher with the material at the stages of its destruction. The degree of the stress-strain state of the material is taken into account, which was a prerequisite for identifying the potential for the development of a vibration load. Composed equations of motion based on a substantiated discrete-continuous model of a vibration crusher and processing material. An approach is applied to determine the stepwise destruction of the material with the determination of the required degree of energy. This methodological approach made it possible to reveal the nature of the process of material destruction, where energy costs at the stages of crack formation, their development and final destruction are taken into account. It was revealed that the greatest energy consumption during the operation of crushers goes into the kinetic energy of the crushing plates and the potential energy of deformation of the springs. The proposed model is common for any design of a vibration machine and its operating modes. The stable resonance mode has made it possible to significantly reduce the energy consumption for the course of the technological process of material grinding. The results obtained are used to improve the calculation methods for vibratory jaw and cone crushers that implement the corresponding energy-saving stable zones of the working process.

Author Biographies

Ivan Nazarenko, Kyiv National University of Construction and Architecture

Doctor of Technical Sciences, Professor, Head of Department

Department of Vehicles and Equipment of Technological Processes

Yevhen Mishchuk, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Vehicles and Equipment of Technological Processes

Dmitry Mishchuk, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Construction Vehicles

Mykola Ruchynskyi, Kyiv National University of Construction and Architecture

PhD, Professor

Department of Vehicles and Equipment of Technological Processes

Ivan Rogovskii, National University of Life and Environmental Sciences of Ukraine

Doctor of Technical Sciences, Senior Researcher

Research Institute of Engineering and Technology

Liudmyla Mikhailova, State Agrarian and Engineering University in Podilia

PhD, Professor

Department of Electrical Engineering, Electromechanics and Electrotechnology

Educational and Scientific Institute of Energy

Liudmyla Titova, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Technical Service and Engineering Management named after M. P. Momotenko

Mykola Berezovyi, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Mechanics

Ruslan Shatrov, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Technical Service and Engineering Management named after M. P. Momotenko

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Published

2021-08-31

How to Cite

Nazarenko, I., Mishchuk, Y., Mishchuk, D., Ruchynskyi, M., Rogovskii, I., Mikhailova, L., Titova, L., Berezovyi, M., & Shatrov, R. (2021). Determiantion of energy characteristics of material destruction in the crushing chamber of the vibration crusher . Eastern-European Journal of Enterprise Technologies, 4(7(112), 41–49. https://doi.org/10.15587/1729-4061.2021.239292

Issue

Vol. 4 No. 7(112) (2021): Applied mechanics

Section

Applied mechanics

License

Copyright (c) 2021 Ivan Nazarenko, Yevhen Mishchuk, Dmitry Mishchuk, Mykola Ruchynskyi, Ivan Rogovskii, Liudmyla Mikhailova, Liudmyla Titova, Mykola Berezovyi, Ruslan Shatrov

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