| Issue |
E3S Web Conf.
Volume 417, 2023
III International Conference on Geotechnology, Mining and Rational Use of Natural Resources (GEOTECH-2023)
|
|
|---|---|---|
| Article Number | 04001 | |
| Number of page(s) | 9 | |
| Section | Environmental Risk Assessment of Metallurgical Processes, Green Technologies and Sustainable Development | |
| DOI | https://doi.org/10.1051/e3sconf/202341704001 | |
| Published online | 21 August 2023 | |
Refinement of the contamination formation mechanism in the pneumatic transporting system of a cotton harvester using a new U-shaped receiving chamber
1 JV “Agrikhim”, Tashkent, Uzbekistan
2 Institute of Mechanics and Seismic Stability of Structures of the Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
* Corresponding author: don_02@mail.ru
The relevance of reducing raw cotton contamination during machine harvesting is substantiated in this article. The morphological composition of impurity elements in raw cotton, obtained during years of experience, is given; it shows that fine trash amounts to 63.93% -75.1% and is difficult to clean when processing cotton. The experimental results of a new U-shaped receiving chamber are presented, which confirm the reduction of contamination of raw cotton by up to 30% compared to serial receiving chambers. Mathematical models are presented for calculating the contamination of raw cotton using a U-shaped receiving chamber. The mechanism of impurity saturation of raw cotton during its transport in the pipes of the pneumatic transport system of the cotton harvester is substantiated. A comparison of the calculated data on the contamination of raw cotton with the experimental data obtained using a new U-shaped receiving chamber showed that the error limit is 4.8÷9.1%.
© The Authors, published by EDP Sciences, 2023
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