Energy efficiency definition of a grinding process in a ball mill

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.22881

Keywords:

grinding, ball mill, grinding mode coefficient, energy efficiency, efficiency factor

Abstract


Theoretical, analytical and experimental studies of the solid materials grinding process in the ball mill have shown that it is possible to improve the energy efficiency of the grinding process by implementing the direct blow effect, ensuring rational grinding mode and correlation of destructive loads during dispersion of specific material with the prescribed physical and mechanical properties. A phenomenological model of energy efficiency of grinding solid materials in the ball mill was developed, and the theory of calculating the grinding mode coefficient, which corresponds to the maximum efficiency factor of the process of grinding the specific material, was scientifically substantiated. The method for comparative evaluation of the effectiveness of implementing the calculated mode with the traditionally recommended was developed. Using the proposed scientifically grounded method of determining the rational coefficient of the grinding mode allowed reducing the grinding time of cement clinker by 28,9 %, coal — by 18,4 %, marble — by 28,9 % and rock salt — by 19,6 %. Herewith, the decrease in energy consumption for the grinding process was 18,3 % for cement clinker, 9,4 % for coal, 18,4 % for marble and 10,4 % for rock salt.

Author Biographies

Мария Максимовна Кузнецова, National University of the Civil Defence of Ukraine Frunze 21, Kharkov 61002

Lecturer of Department of Applied Mechanics

Валерий Евгеньевич Ведь, national Techical University @Kharkiv politehnic Institute Frunze 21, Kharkov 61002

Doctor of Technical Sciences, Professor

Department of Integrated Technology Processes and Devices

Сергей Александрович Вамболь, National University of Civil Protection of Ukraine Ul. Chernyshevsky 94 NUTSZU, Department of PM, 61023, Kharkov

Doctor of Technical Sciences, docent

Department of Applied Mechanics

References

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Published

2014-04-04

How to Cite

Кузнецова, М. М., Ведь, В. Е., & Вамболь, С. А. (2014). Energy efficiency definition of a grinding process in a ball mill. Eastern-European Journal of Enterprise Technologies, 2(1(68), 20–23. https://doi.org/10.15587/1729-4061.2014.22881

Issue

Vol. 2 No. 1(68) (2014): Mechanical engineering technology

Section

Mechanical engineering technology

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Copyright (c) 2014 Мария Максимовна Кузнецова, Валерий Евгеньевич Ведь, Сергей Александрович Вамболь

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