Scientific Journal of KubSAU

Polythematic online scientific journal
of Kuban State Agrarian University
ISSN 1990-4665
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Rudoy Dmitry Vladimirovich

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associated professor

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Don State Technical University

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Articles count: 6

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abstract 1521908009 issue 152 pp. 68 – 76 31.10.2019 ru 625
This article deals with the problem of producing protein using alternative sources of raw materials, due to the shortage of feed protein and utilization of organic waste. This property makes it possible to return feed protein to farm animals and birds derived from the biomass of insect larvae. The invention relates to agricultural production. The studied problem is relevant for the technology of livestock products (agricultural sciences), which is explained by the global need for proteins and food products. The object of study is several different insects. The article studies the application and significance of some beetles in this field. The study provides a comparative analysis of the Black Linki (Hermetia illucens), House Cricket (Acheta domesticus), Locusts (Locusta migratoria), Flour Castaneum (Tribolium confusum) for a more graphic comparison of the benefit from the application of the above bugs and identify the most unpretentious and best beetle for breeding for food purposes in agricultural production. The work also shows a diagram of the process of development of the larvae of Hermetia illucens. The following research methods were used: observation, collection of scientific and practical information about beetles, study, analysis, processing, systematization of the collected material
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abstract 1552001003 issue 155 pp. 25 – 42 31.01.2020 ru 256
Enhancing the operative parts of a threshing mechanism which are realizing direct mechanical impact on an ear and being in it grains it is impossible to achieve the considerable lowering and to completely exclude traumatizing grain. New methods of noncontact grain separation from an ear in case of the threshing need to be developed. These methods exclude direct mechanical impact of operative parts on grains. A perspective method of noncontact grain separation from an ear is the imposition to a culm with an ear of oscillating motion, perpendicular its axes. It is a resonance in different parts of an ear can cause. As a result of the pilot and theoretical studies it is set that when impart low frequency oscillations in the range 18…100 Hz corresponding to natural frequencies of its oscillations to a culm with an ear, it is possible to achieve corrupting of the ear or its separation from the culm as a result of a resonance. But grain separation, at the same time, does not come from an ear as the range of natural resonance frequencies of grain oscillations does not match the range of natural frequencies of a culm with an ear and has higher values. The analysis of results of theoretical researches shows that for noncontact grain separation from an ear without its traumatizing is the imposition to it high-frequency oscillations in the range 100 … 14000 Hz matching its natural frequencies of oscillations, which is proved to be perspective. The occurring resonance causes origin of own movements of grain that leads to its separation from the ear