Issue №: 4(115)
The journal deals with the problems of vibration technologies and machines, mathematical methods of vibration process studies, information on design and technological development, presents teaching and methodological aspects of teaching in the Higher School of Applied Sciences, where vibration machines and technologies are studied.
STUDY OF EXPRESSING OF OIL-CONTAINING RAW MATERIALS ON A SCREW PRESS
Brovko Ruslan – graduate student of the Department of Agricultural Machinery Dnipro State Agrarian and Economic University (Sergiy Yefremov str., 25, Dnipro, Ukraine, 49600, е-mail: ruslan.brovko@ukr.net).
Puhach Andrii – Doctor of Science in Public Administration, Professor Department of Agricultural Machinery Dnipro State Agrarian and Economic University (Sergiy Yefremov str., 25, Dnipro, Ukraine, 49600, е-mail: anpugach13@gmail.com)
Kalyna Viktoriia – PhD, Associate Professor Department of Food Technologies Dnipro State Agrarian and Economic University (Sergiy Yefremov str., 25, Dnipro, Ukraine, 49600, е-mail: viktoriya-kalina@ukr.net).
The object of the research is the technological process of pressing oil from oil-containing raw materials with a laboratory screw oil press OR-600M. An analysis of scientific and technical information on obtaining oil by mechanical pressing was carried out. Vegetable oil is a food product that is in great demand among people. Unrefined cold-pressed first-pressed oils were obtained from ten types of oilseeds: sunflower, sesame, peanut, mustard, pumpkin, rye, flax, hemp, rapeseed, corn. The oils obtained by the cold pressing method are characterized by low peroxide and acid values and are suitable for food consumption while preserving their valuable quality. It was analyzed that the oil content of the studied raw materials is at least 12 % for corn germs, and the maximum oil yield is 54 % for sunflower. The productivity of the screw oil press was determined experimentally and the minimum productivity of the press was established, which is 401 g/h for corn germs, and the maximum productivity for sunflower is 1522 g/h. The quantitative content of oil in oil-containing raw materials was calculated and determined: the minimum yield of oil is 10,12 % for corn germs, the maximum yield of oil is 50,74 % for sunflower. It was also found that with an increase in the productivity of the screw press, the output of oil increases. The main features of using the press are characterized, including the simplicity of the technological equipment, low energy consumption of the technological process of pressing, requirements for a small area of use. The ratio of fatty acids in the studied oils was substantiated and it was found that the content of polyunsaturated fatty acids and monounsaturated fatty acids, the consumption of which contributes to strengthening human health, prevails. The obtained results of the research of the range of oil raw materials on the screw press are expedient to use in the production technology of vegetable oils of increased biological value, dietary supplements and cosmetics.
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About journal
The journal "Vibrations in engineering and technology" presents materials on the following issues
• Theory of processes and machines
• Mechanical Engineering and materialprocessing
• Processing and food production
The journal "Vibrations in Engineering and Technologies" is included in the list of technical scientific publications of Ukraine
(Category "B", Order of the Ministry of Education and Science of Ukraine dated July 2, 2020 No. 886)
Old version of the site: http://vibrojournal.vsau.edu.ua/
The journal "Vibrations in Engineering and Technology" is indexed by the following databases and catalogs:
The certificateof massmedia State registration:kv no 16643-5115 from 30.04.2010 .
Founder of the journal: Vinnytsia National Agrarian University
Kind of publication: journal
Type of publication : Scientific
Publication status: Domestic
Year of founding:
Periodicity: 4 times a year
Extent: 18.75 nominal printed pages
ISSN: 2306-8744 (printed version), (online)
Language of edition : (mixed languages) Ukrainian, English
The scope of the distribution and the category of readers: national, foreign, teaching staff, scientists, businessmen.
Periodical is included in the list of scientific professional editions of Ukraine approved by the Order of Ministry of Education and Sciences of Ukraine from 21.12.2015 No. 1328.
The journal "Vibrations in engineering and technology" is included in the "Catalogue of periodicals of Ukraine".
Journal subscription can be executed in each post office department.
Subscription Index is 99720.
Old version of site: http://vibrojournal.vsau.edu.ua/
In June 1994 the 2nd International Scientific and Technical Conference "Application of vibrations for technological purposes" was organized on the basis of Vinnytsia State Agricultural Institute. Leading experts in this field, noting the significant contribution to the school of Vibration Engineering under the leadership of P. S. Bernyk, proposed to create a professional all-Ukrainian scientific and technical journal "Vibration in engineering and technology..The journal was foundedat Vinnytsia State Agricultural Institute and P.S. Bernyk was elected to be the chief editor .
For all these years (since 1994) theJournal "vibration in engineering and technology" published 94 issues wherestudy of vibration effects, the creation of progressive energy saving technologies and equipment for their implementation were highlighted.
Currently Kaletnik H.M PhD , professor, academician NAAS is the chief editor of the "Vibrations in engineering and Technology"
The journal "Vibration in Engineering and technology", which has no analogues on the territory of Ukraine, is well known abroad.
