DOI: https://doi.org/10.32515/2414-3820.2020.50.59-68

Modeling of Bulk Material Loading Into Sieve of the Scissor-type Separator

Іgor Dudarev, Vasyl Olkhovskyi

About the Authors

Іgor Dudarev, Professor, Doctor in Technics (Doctor of Technics Sciences), Lutsk National Technical University, Lutsk, Ukraine, e-mail: i_dudarev@ukr.net, ORCID ID: 0000-0002-2016-5342

Vasyl Olkhovskyi, post-graduate, Lutsk National Technical University, Lutsk, Ukraine, ORCID ID: 0000-0002-7553-458X

Abstract

In agriculture and feed production, seeds and grains of various crops that require cleaning and separation are used as sowing material and raw materials. For seed and grain cleaning and separation the separators of different type are used. During operation, these separators take into account the physical and mechanical properties of the raw material. The article proposes the design of bulk material separator of scissor type, which has small dimensions and is easy to maintain. The efficiency of separator depends on the uniformity of the bulk material loading on the sieve surface. Therefore, substantiation of rational parameters of separator is an extremely important task. So, the aim of the study is to model the loading process of bulk material from the unloading hole of the hopper on an inclined flat sieve of the scissor-type separator, which performs oscillating motion. The proposed mathematical model of the bulk material loading from the hopper to the separator sieve allows us to determine the trajectory of the particle falling and to describe the position of the sieve, which changes due to the rotation of the eccentric. Also, modeling allows us to justify the rational parameters of the separator, taking into account the kinematic mode of its operation. Under these parameters, a layer of material of the same height will be formed on the sieve, which will provide favorable conditions for the separation process. In addition, the mathematical model allows us to determine the rational parameters of the relative position of the hopper and the sieve. In this case the entire surface of the sieve is used effectively.

Keywords

bulk material separator, bulk material loading, sieve parameters, modeling of separator loading, sieve efficiency

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References

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Citations

  1. Giyevskiy A.M., Orobinsky V.I., Tarasenko A.P., Chernyshov A.V., Kurilov, D.O. Substantiation of basic scheme of grain cleaning machine for preparation of agricultural crops seeds. IOP Conf. Series: Materials Science and Engineering, 2018. Vol. 327. P. 042035.
  2. Kugbei S., Avungana M., Hugo W. Seeds Toolkit. Module 2: Seed processing: principles, equipment and practice. The FAO of the UN and AfricaSeeds: Rome, 2018.
  3. Vasylkovskyi O., Vasylkovska K., Moroz S., Sviren M., Storozhyk L. The influence of basic parameters of separating conveyor operation on grain cleaning quality. INMATEH – Agricultural Engineering. 2019. Vol. 57(1). P. 63–70.
  4. Basiry M., Esehaghbeygi A. Cleaning and charging of seeds with an electrostatic separator. Applied Engineering in Agriculture. 2012. Vol. 28(1). P. 143–147. DOI: 10.13031/2013.41274
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  6. Magalhaes F.G.R., Atman A.P.F., Moreira J.G., Herrmann H.J. Analysis of the velocity field of granular hopper flow. Granular Matter. 2016. Vol. 18(33). DOI: 10.1007/s10035-016-0636-y
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Copyright (c) 2020 Іgor Dudarev, Vasyl Olkhovskyi