Unit for pre-sowing seed moistening: a rationale for the nozzle rotation angle and liquid spraying time
https://doi.org/10.26897/2687-1149-2024-4-27-34
Abstract
Pre-sowing moistening of seeds is one of the ways to control the seedlings of agricultural crops and increase the yield. Most units of cyclical operation for pre-sowing moistening of seeds use the principle of immersed moistening. However, the units of continuous operation do not fit because of the insufficient duration of the process. The most appropriate way is to develop a unit of cyclical operation with the provision of a respiratory mode by spraying the moisturizing liquid on the surface of seeds combined with the mixing process. The authors suggest a design of a drum-type unit for pre-sowing moistening of seeds. During the concept implementation at the stage of planning-technological calculations, it is very important to determine the angle of rotation of the spray nozzle, which sprays the moisturizing liquid, and the spraying time necessary for liquid application on the surface of seeds. To solve the assigned tasks, the authors carried out mathematical calculations, according to which the angle of spray nozzle rotation makes 0.39 rad for a pilot model of pre-sowing moistening with the drum diameter of 480 mm, the depth of 250 mm, the angular speed of 1.256 rad/s, and the height of seed layer corresponds to the angle of 0.42 rad. The spraying time by the interaction probability of a drop with a seed P = 0.95 makes 126.9 s. To automate and simplify calculations by the projecting of technological lines of pre-sowing moistening of seeds, the authors used the Visual C# language to make a program for calculating the angle of spray nozzle rotation and time of spraying the moisturizing liquid in accordance with the characteristics of grain material and geometrical parameters of a drum.
About the Authors
A. V. Aleshkin
Vyatka State University
Russian Federation
Russian Federation
Aleksey V. Aleshkin, DSc (Eng), Professor
Moskovskaya Str. 36, Kirov, 610000
F. A. Kipriyanov
Vologda State Dairy FarmingAcademy named after N.V. Vereshchagin
Russian Federation
Russian Federation
Fedor A. Kipriyanov, CSc (Eng),Associate Professor
Shmidta Str., 2, Molochnoe, Vologda, 160555
P. A. Savinykh
Federal Agricultural Research Center of the North-East named after N.V. Rudnitskiy
Russian Federation
Russian Federation
Petr A. Savinykh, DSc (Eng), Professor
Lenina Str., 166a, Kirov, 610007
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Review
For citations:
Aleshkin A.V., Kipriyanov F.A., Savinykh P.A. Unit for pre-sowing seed moistening: a rationale for the nozzle rotation angle and liquid spraying time. Agricultural Engineering (Moscow). 2024;26(4):27-34. (In Russ.) https://doi.org/10.26897/2687-1149-2024-4-27-34
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