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Повышение износостойкости деталей оборудования пищевой промышленности

выпускная квалификационная работа магистра

Повышение износостойкости деталей оборудования пищевой промышленности

Abstract

Данная работа посвящена исследованию характеристик центробежного насоса при заданной технологической нагрузке, повышению надежности и долговечности работы рабочего колеса насоса и процессу изготовления прототипа рабочего колеса методом послойной печати. В результате выполненной работы для перекачки подсолнечного масла выполнен расчет основных кинематических и геометрических параметров рабочего колеса, проведено проектирование меридианного сечения, расчет спирального отвода и осевой силы, действующей на ротор насоса, прочностные расчеты шлицевого соединения, выбор электродвигателя. Разработана 3D модель рабочего колеса, изготовлен прототип методом послойной печати из полимерного материала. Выполнены лабораторные испытания конструкционных материалов на износ в среде жидкости с твердыми частицами. Обоснование и выбор конструктивных параметров рабочего колеса и использование аддитивного производства для изготовления, восстановления деталей направлено на совершенствование технологии и оборудования в машиностроении. Результаты испытаний могут быть использованы при проектировании насосного оборудования.

This work is devoted to the study of the characteristics of a centrifugal pump at a given technological load, improving the reliability and durability of the pump impeller and the process of manufacturing a prototype impeller by layer-by-layer printing. As a result of the work performed for pumping sunflower oil, the calculation of the main kinematic and geometric parameters of the impeller was carried out, the design of the meridian section, the calculation of the spiral outlet and the axial force acting on the pump rotor, the strength calculations of the spline connection, and the choice of the electric motor were carried out. A 3D model of the impeller was developed, a prototype was made by layer-by-layer printing from a polymer material. Tests of laboratory structural materials for wear in a liquid medium with solid particles were carried out. The substantiation and selection of the design parameters of the impeller and the use of additive manufacturing for the manufacture, restoration of parts is aimed at improving the technology and equipment in mechanical engineering. The test results can be used in the design of pumping equipment.

Keywords

рабочее колесо насоса, finite element method, 3d модель, screen, drum screen, аддитивное производство, центробежный насос, material testing

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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