Scientific research program of NAAS 20 “Bast Crops”: main results of 2020

Tkachenko, Serhiy; Mokher, Yuriy; Zhuplatova, Liudmyla; Morhun, Olesia

doi:10.48096/btc.2021.9(14).3-11

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“…Comparing the obtained results for dehulling hemp seeds with normalized indicators for dehulling sunflower seeds, where the total content of dehulled kernels in the hempseed cake is 60 %, it can be concluded that the efficiency of this centrifugal dehuller is low. However, if, for comparison, we take one of the techniques of processing hemp seeds, in particular the process of obtaining oil [1], then the result is not so low. Under the conditions of obtaining hemp oil, the efficiency of the PSH-250 screw press used in the oil and fat industry is within 16-20 %, and in the best cases it reaches 23 %.…”

Section: Discussion Of Results Of Research On Designing a Centrifugal...mentioning

confidence: 99%

“…In modern agriculture, three main directions of hemp cultivation are used: for fiber (vegetable direction), bilateralobtaining fiber and seeds, and for seeds [1]. World experience proves that the bilateral method of growing hemp enables the greatest economic efficiency, as it makes it possible to receive income from the sale of both seeds and hemp fiber or hemp [2].…”

Section: Introductionmentioning

confidence: 99%

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Substantiating the rational parameters and operation modes for the hemp seed centrifugal dehuller

Sheichenko,

Petrachenko,

Koropchenko

et al. 2024

EEJET

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The object of research is technological processes, seeds of industrial hemp, and working bodies of the dehuller. A centrifugal-type device for crushing hemp seeds with a closed sector-type working body has been designed. Owing to this, the task related to seed dehulling was solved with a high level of efficiency in separating the seed coat from the kernel. The rational parameters for the dehuller have been substantiated: the diameter of the impeller is 162 mm, the gap between the impeller and the seed repelling panel is 80 mm, the frequency of rotation of the impeller is 2000 min–1. It was established that with the specified parameters and moisture content of the seeds within the limits of conditional (12.0–13.0 %), it is advisable to carry out dehulling process without preliminary separation of the seeds into fractions by width. It was established that an increase in seed size leads to a corresponding increase in the weight share of seed kernels. About 58.2 % of the main mass of seeds is the average fraction with a width of 2.5 to 3.0 mm. It was found that reducing the diameter of the impeller (from 236 mm to 162 mm) at a seed moisture content of 8.8 % improved the efficiency of dehulling. At a rotation frequency of the impeller of 2000 min–1, the highest total number of intact and destroyed kernels (23.23–29.33 %) was achieved for the two studied moistures. With an increase in seed moisture content from 8.8 % to 12.0 %, the number of dehulled kernels in the hempseed cake increased. It was noted that for seeds with a moisture content of 8.8 %, an increase in the gap led to a decrease in the dehulling efficiency for each of the three investigated seed fractions. The total number of dehulled kernels under such conditions decreased by 2.4–6.8 % and amounted to 16.4–26.9 %. For seeds with a moisture content of 12.0 %, an increase in the gap, on the contrary, increased the dehulling efficiency for each of the three investigated seed fractions. The total number of dehulled kernels for seeds of marked moisture increased within the range of 1.4–3.6 % and amounted to 27.4–31.0 %

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Section: Discussion Of Results Of Research On Designing a Centrifugal...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Substantiating the rational parameters and operation modes for the hemp seed centrifugal dehuller

Sheichenko,

Petrachenko,

Koropchenko

et al. 2024

EEJET

View full text Add to dashboard Cite

show abstract

Scientific research program of NAAS 20 “Bast Crops”: main results of 2020

Abstract: The scientific results of the program executors are given, the current state of scientific research on breeding, cultivation technologies, harvesting and processing of industrial hemp and fiber flax, standardization, marketing and economic research is shown

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Substantiating the rational parameters and operation modes for the hemp seed centrifugal dehuller

Substantiating the rational parameters and operation modes for the hemp seed centrifugal dehuller

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