Abstract
The results of an elastic sectional screw operating tool development and its production technique are presented in the article under consideration. The operating tool has been made to fix the elastic sections, providing the transportation of bulk materials of agricultural production, in order to ensure their minimal damage and the process minimal power capacity. The article presents constructed regression dependencies and response surfaces for the effects of the design, kinematic and technological parameters of a sectional screw operating tool on power consumption and the damage rate of grain material in the process of its transportation. As the result of the conducted experimental research, authors came to a conclusion that the arrangement of an elastic auger without a gap between its peripheral part and the inner surface of the guiding tube significantly reduces vibrations in the process of conveying bulk material.
Highlights
Transportation of bulk material by screw conveyors has a broad range of applications in different fields of production
The grain material was transported through the technological path in the screw conveyor of the experimental installation, and we examined the three samples of grain and determined the percentage of its damage
The investigation findings on the determination of productivity output Q per second, during the transportation of grain material by the experimental installation with inner diameters of guiding pipes of D = 120 and 100 mm at a screw rotational speed of n = 450 rpm with a horizontal configuration of the screw operating tool, are shown of Figure 9
Summary
Transportation of bulk material by screw conveyors has a broad range of applications in different fields of production. Developments found in the works of [1,2,3] are dedicated to the subject of increasing the operational efficiency of pneumatic auger conveyors, and in [4,5,6,7], the results of a research on pneumatic conveyors with a simultaneous transportation and mixing of bulk material in the main characteristic areas routes are presented They provide the transportation of bulk materials along technological paths of various spatial configurations employing a mechanical feed of material by a screw discharger and an additional intensification of the process with the help of pneumatic devices
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