Design of Cotton Recovery Device and Operation Parameters Optimization

Hezheng Wang, Silin Cao (), Yongrui Liu, Yuxin Yang, Xiangyu Meng and Peng Ji
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Hezheng Wang: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Silin Cao: Mechanical Equipment Research Institute, Xinjiang Academy of Land Reclamation Sciences, Shihezi 832000, China
Yongrui Liu: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Yuxin Yang: Institute of Agricultural Mechanization, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
Xiangyu Meng: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China
Peng Ji: College of Mechanical and Electrical Engineering, Shihezi University, Shihezi 832000, China

Agriculture, 2022, vol. 12, issue 9, 1-17

Abstract: This research aims to optimize the working parameters of the sawtooth-type recovery device for cotton fallen on the ground to enhance cotton’s recovery effect. Firstly, the cotton-picking mechanism and cotton unloading mechanism of the cotton recovery device were designed. The movement trajectory of the serrated tooth end of the designed device, the cotton non-missing picking condition, and the cotton unloading condition were noted. Secondly, virtual simulation technology developed a model of the interaction process between the picking equipment and the soil. To determine the optimal combination of operating parameters for the recovery device, a three-factor, three-level response surface optimization test was conducted using Box–Behnken’s central combination method with operating machine speed, spacing between serrated discs, and serrated disc speed as the test factors, and the picking and impurity rate as the test indexes. In addition, a response surface regression model was developed to analyze the effects of the selected factors on the recovery unit, and each factor was optimized. When the picking and impurity rates were 79.09% and 35.12%, respectively, the optimal operating speed of the machine was 0.96 m/s, the spacing of the serrated discs was 40 mm, and the speed of the serrated discs was 68 rpm. The relative error between the experimental findings and the theoretical optimized values was less than 5%, and the optimized working parameters were reliable. This study can provide a reference for the device used to recover cotton that has fallen to the ground.

Keywords: cotton recovery device; EDEM; virtual simulation; parameters optimization; agricultural machinery (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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