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- Title
Experimental Research on a Needle Roller-Type Electrostatic Separation Device for Separating Unginned Cotton and Residual Films.
- Authors
Sun, Yue; Hu, Chunling; Li, Yangyang; Chen, Mingxiao; Zhang, Ruoyu
- Abstract
In the mechanized harvesting of cotton in Northwest China, problems result from the presence of a residual film, and it is difficult to remove the residual film in the cotton processing stage. In this study, a needle roller electrostatic separation device was designed for use with unginned cotton residual films, and a series of experiments was carried out. Through force analyses and charge testing of the seed cotton and the residual film, a theoretical basis was provided for separating them. Taking the residual film separation rate as the response index, the optimal parameter combination was determined with a response surface analysis of three factors and three levels, and a mathematical model was established. The test results showed that the optimal parameter set included a 25.3° corona electrode angle, a 172.3 mm corona electrode distance, and a 5.25 W discharge power. After optimization of the parameters for separation, the average residual film separation rate was 91.7%. This research provides data and technical support for the design of the machinery and the selection of the parameters used in treating machine-picked cotton and separating the residual film.
- Subjects
ELECTROSTATIC separation; COTTON; COTTON picking; MACHINE design; SURFACE analysis; COTTONSEED
- Publication
Agriculture; Basel, 2023, Vol 13, Issue 2, p324
- ISSN
2077-0472
- Publication type
Article
- DOI
10.3390/agriculture13020324