DEVELOPMENT AND TEST OF CORN STRAW KNEADING AND CONVEYING DEVICE
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Published:2021-12-30
Issue:
Volume:
Page:
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ISSN:2068-2239
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Container-title:INMATEH Agricultural Engineering
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language:en
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Short-container-title:INMATEH
Author:
Geng Aijun1, Gao Ang2, Zhang Yinuo2, Zhang Ji2, Zhang Zhilong2, Hu Xiaolong2
Affiliation:
1. 1)Shandong Agricultural University, College of Mechanical and Electrical Engineering/ China; 2)Shandong Provincial Engineering Laboratory of Agricultural Equipment Intelligence/ China 2. Shandong Agricultural University, College of Mechanical and Electrical Engineering/ China
Abstract
Aiming at the low comprehensive utilization rate of corn straw resources, a straw kneading and cutting conveyor suitable for corn harvester was designed to improve the utilization rate of corn straw resources. The workbench module of ANSYS is used to carry out modal analysis of the two blades, and it is determined that the vibration frequency will not cause damage to the blade sweeping bore. By changing the structure of the movable blade shaft, the speed of the blade shaft can be reduced while ensuring the effect of straw crushing and collecting. In order to determine the best working parameters, three-factor and three-level orthogonal test was carried out with blade arrangement, blade shaft speed and length of feed straw as test factors, and the crushing rate of straw as evaluation index. The results show that the main factors influencing the crushing rate of straw are blade shaft speed, blade arrangement and the minor factor is the length of feed straw. Finally, the optimum combination parameters, blade arrangement, blade shaft speed 400 r/min and whole plant feed with straw, were determined. The corresponding straw crushing rate was 96.39%. The research meets the requirements of straw crushing and can provide technical scheme for comprehensive utilization of corn straw.
Publisher
INMA Bucharest-Romania
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering,Food Science
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