Design of a roll crusher for sunflower stems and substantiation of the rational modes of its operation

Authors

DOI:

https://doi.org/10.15587/1729-4061.2021.244903

Keywords:

crushing of sunflower stems, plant residues, processing of plant residues, tillage, roll crusher, grinding quality indicators

Abstract

This paper reports a study of the technological process of grinding plant residues of sunflower and the causal relationships of factors that form the system of quality indicators. The necessary prerequisites for determining rational modes and parameters of the roll crusher have been devised.

A prototype of the roll crusher was designed and fabricated, in which the cutting knives are arranged along the entire width of the grip in a staggered manner, with the possibility to change the angle of inclination to the axis of drum rotation in the range of 5...20°.

It was established that in the case of the right-side arrangement of the cutting edge of knives, the highest total level of the percentage of crushed stems in the range of 101‒150 mm with an additional load weighing 800 kg exceeded by 1.58 times the corresponding indicators of the roll with an additional load of 600 kg. The largest overall value of the percentage of crushed stems in the range of 0‒200 mm when additionally loading the roll with 800 kg was 1.13 times higher than the corresponding indicators of the roll with an additional load of 600 kg.

In the range of 0‒200 mm, with an additional load on the roll of 600 kg, at the left-side arrangement of the cutting edge of the knives of the roll, higher total percentage of crushed stems was observed compared to the right-side arrangement. At a speed of 7.45 km/h, 13.6 km/h, the cumulative value of the percentage of crushed stems exceeded the corresponding indicators at the right-side arrangement of knives by 1.09 times, at the speed of 18.6 km/h – by 1.04 times, at the speed of 22 km/h – by 1.04 times, respectively.

It has been noted that at the left-side arrangement of the cutting edge of the knives of the roll, the percentage of crushed stems in the range of 51‒100 mm, with an additional load of 600 kg, exceeded the corresponding indicators with an additional load of 800 kg. At the speed of 10.08 km/h, it was exceeded by 1.9 times; at the speed of 13.6 km/h – by 1.44 times; at the speed of 18.6 km/h – by 1.96 times; at the speed of 22 km/h – by 1.99 times, respectively

Author Biographies

Viktor Sheichenko, Poltava State Agrarian University

Doctor of Technical Sciences, Professor

Department of Technology and Means of Mechanization of Agricultural Production

Volodymyr Volskyi, National Scientific Center «Institute of Agricultural Engineering and Electrification»

PhD, Senior Researcher

Testing Center

Rostyslav Kotsiubanskyi, National Scientific Center «Institute of Agricultural Engineering and Electrification

Postgraduate Students

Testing Center

Viktor Dnes, National Scientific Center «Institute of Agricultural Engineering and Electrification»

PhD

Department of Modeling Technology Systems and Technical Services of Market Agricultural Production

Misha Shevchuk, Uman National University of Horticulture

Doctor of Philosophy

Department of Agricultural Engineering

Oleksandra Bilovod, Poltava State Agrarian University

PhD, Associate Professor

Department of Industrial Engineering

Olga Drozhchana, Poltava State Agrarian University

Department of Safety of Life

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Published

2021-12-29

How to Cite

Sheichenko, V., Volskyi, V., Kotsiubanskyi, R., Dnes, V., Shevchuk, M., Bilovod, O., & Drozhchana, O. (2021). Design of a roll crusher for sunflower stems and substantiation of the rational modes of its operation . Eastern-European Journal of Enterprise Technologies, 6(1 (114), 28–37. https://doi.org/10.15587/1729-4061.2021.244903

Issue

Vol. 6 No. 1 (114) (2021): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2021 Viktor Sheichenko, Volodymyr Volskyi, Rostyslav Kotsiubanskyi, Viktor Dnes, Misha Shevchuk, Oleksandra Bilovod, Olga Drozhchana

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