Issue |
E3S Web of Conf.
Volume 536, 2024
2024 6th International Conference on Environmental Prevention and Pollution Control Technologies (EPPCT 2024)
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Article Number | 03023 | |
Number of page(s) | 6 | |
Section | Gas Emission Control and Solid Waste Treatment | |
DOI | https://doi.org/10.1051/e3sconf/202453603023 | |
Published online | 10 June 2024 |
The design of the dust suppression system in sand sorting process
Northwest Institute of Nuclear Technology, Xi’an 710065, China
* Corresponding author: fanchengzhou@126.com
The sand separation process will produce a lot of dust, which will cause serious harm to the environment and personnel. Only by adopting a suitable dust removal system structure can the expected dust removal effect be obtained. In this experiment, two sets of dust suppression system, namely negative pressure dust suppression system and water mist dust suppression system, were designed and manufactured. The dust suppression effect was tested under the conditions of different air volume, air inlet hood distance and water pressure/water volume. The experimental results show that: (1). Compared with the water mist dust suppression system, the negative pressure dust suppression system has a better dust suppression effect. After the dust suppression system is turned on, the dust concentration measured within 0.2 meters around the sorting area does not exceed 6.9 mg/m3; (2). The air inlet volume of the negative pressure dust suppression system is recommended to be 1000 m3/h~1300 m3/h, and the distance between the air inlet hood and the dust initiation point is recommended to be no more than 2.5 cm. (3). The water mist dust suppression system can reduce the dust concentration to about 12mg/m3, however, there are some problems, such as slow response of dust suppression system, mud attached to the conveyor belt and affecting the transmission. The results can provide reference for the detailed design of the dust removal system.
© The Authors, published by EDP Sciences, 2024
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