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Investigation of the pin-roller metering device and tube effect for wheat seeds and granular fertilizers based on DEM

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International Journal of Agricultural and Biological Engineering 2023年第2期16卷 103-114页

作者： Sugirbay Adilet Kaiyuan Zhao Guangyao Liu Nukeshev Sayakhat Jun Chen Guangrui Hu Lingxin Bu Yu Chen Hongling Jin Shuo Zhang Zagainov Nikolay Muratkhan Marat College of Mechanical and Electronic Engineering Northwest A&F UniversityXianyang 712100ShaanxiChina College of Water Resources and Architectural Engineering Northwest A&F UniversityXianyang 712100ShaanxiChina Technical Faculty S.Seifullin Kazakh Agrotechnical UniversityAstana 010000Kazakhstan College of Mechatronic Engineering North Minzu UniversityYinchuan 750021China

The metering device is the central part of the seeder discharging granular fertilizers or seeds from the hopper to the colter passing through the *** on the metering device design,the batches of particles are discharged or discharged *** research analyzes existing metering devices,and a new pin-roller metering device is recommended to discharge evenly high doses of granular fertilizers and wheat seeds at low rotation *** objective was to adapt the metering device to precision agriculture so that a little electric motor containing gearbox drives every metering ***,the pin-roller metering device parameters were investigated to apply high doses of granular fertilizers and wheat seeds *** optimal pin positions were determined according to response surface methods(RSM)by simulating the granular fertilizers and wheat seeds'behavior on *** coefficient of variation(CV)and the slip rate(SR)of the particles between the pins were chosen as indicators for evaluating the *** shape of the pin was specified,and then the number of lines,the number of pins in a line,and the pin height were chosen to *** analysis of the simulation results shows the optimal parameters:the number of pins in a line is four,and the number of lines is *** SR of granular fertilizers and wheat seeds were 8%and 2%,*** pin-roller metering device is compared with the six-grooved and twelve-grooved metering *** comparison results show that the pin-roller metering device distributes twice more uniformly than other metering *** CV of the granular fertilizer distribution for six-grooved,twelve-grooved,and pin-roller metering devices was 111.13%,80.74%,and 37%,*** CV of the wheat seed distribution for twelve-grooved and pin-roller metering devices was 96%,and 37%,*** long as the particles interact with the tube,leaving the metering device,the effect of tube type and position is investi

关键词： pin-roller metering device DEM coefficient of variation slippage rate tube

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