Determining patterns in the separation of hemp seed hulls

Authors

DOI:

https://doi.org/10.15587/1729-4061.2024.309869

Keywords:

hemp seeds, seed hulling, seed kernel, seed hulls separation, division by size, cleaning, aspiration column

Abstract

The subject of this study is the technological processes of separation, the hull of industrial hemp seeds, an aspiration column, and whole kernels.

The problem solved was determining the technical and technological solutions that could enable the intensification of production processes for separating industrial hemp seeds.

The separation of hemp seed hull by linear dimensions on sieves with round and elongated holes has been investigated.

It was found that the percentage of seed hulls retained by sieves with circular holes was 25.98 % for ø3.5 mm, 23.59 % for ø3.0 mm, and 40.28 % for ø2.0 mm, respectively. Sieves ø3.5 mm and ø2.0 mm made it possible to obtain seed hulls fractions with two components conditionally different in the «mass-size» ratio.

Using sieves with elongated holes enabled obtaining fractions consisting of at least three components. Sieves with elongated working holes of 3.0×20 mm, due to their low ability (1.76 %) to retain hemp seed hull components, were ineffective.

The clogging levels of kernels in seed hulls, separated by linear dimensions on combined sieves with round and elongated holes, were as follows: separation option No. 1 – 48.70 %, option No. 2 – 45.74 %, option No. 3 – 60.25 %, option No. 4 – 49.32 %, respectively.

It was established that the use of an aspiration column made it possible to remove up to 32.1 % of clogging in the form of a light fraction. The application of the aspiration column reduced the content of seed coating in separation option No. 1 by 3.0–5.7 times, option No. 2 by 1.35–3.7 times, option No. 3 by 1.9–11.2 times, and option No. 4 by 1.5–4.8 times, respectively.

The quantitative and component composition of seed hulls fractions obtained under conditions of using an aspiration column with set rational values of the air damper opening angle α=53° and the vertical tilt angle of the air channel β=6°, was as follows: Stage I – «heavy» fraction – 51.78 %, 27.56 % – waste, up to 20 % – «light» fraction of Stages II and III

Author Biographies

Viktor Sheichenko, Poltava State Agrarian University

Doctor of Technical Sciences, Professor

Department of Agricultural Engineering and Road Transport

Dmytro Petrachenko, Separate Structural Subdivision “Hlukhiv Agrotechnical Professional College of SNAU”

PhD

Department of Agroengineering

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

Doctor of Technical Sciences, Professor

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

Igor Dudnikov, Poltava State Agrarian University

PhD, Associate Professor

Department of industrial machinery

Vitaliy Shevchuk, Uman National University of Horticulture

PhD, SeniorResearcher

Department of Agricultural Engineering

Denys Sheichenko, Poltava State Agrarian University

Department of Agricultural Engineering

Oleksiy Derkach, National University of Life and Environmental Sciences of Ukraine

PhD, Associate Professor

Department of Agricultural Machines and System Engineering named after Academician P. M. Vasylenko

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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Determining patterns in the separation of hemp seed hulls

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Published

2024-08-21

How to Cite

Sheichenko, V., Petrachenko, D., Rogovskii, I., Dudnikov, I., Shevchuk, V., Sheichenko, D., Derkach, O., & Shatrov, R. (2024). Determining patterns in the separation of hemp seed hulls. Eastern-European Journal of Enterprise Technologies, 4(1 (130), 54–68. https://doi.org/10.15587/1729-4061.2024.309869

Issue

Vol. 4 No. 1 (130) (2024): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2024 Viktor Sheichenko, Dmytro Petrachenko, Ivan Rogovskii, Igor Dudnikov, Vitaliy Shevchuk, Denys Sheichenko, Oleksiy Derkach, Ruslan Shatrov

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