Experimental Study of Filtration Performance of Disc Filter with Discrete Channel Structure
Publication: Journal of Irrigation and Drainage Engineering
Volume 149, Issue 7
Abstract
The large head loss of the disc filter has always been one of its main limiting factors, which may affect its working efficiency and service life. Disc flow channel structure is an important factor affecting the performance of the disc filter. In this context, to reduce the head loss of the disc filter while ensuring the filtration effect, a new type of disc filter with a discrete channel structure was designed. Its performance in terms of head loss, sediment retention, uniformity of sediment distribution, and particle-size distribution in the runner was compared with that of a traditional linear channel disc filter. The results showed that the head loss of the new disc filter under the condition of clear water was 33.5%–50% lower than that of the traditional disc filter. Moreover, in sandy water, the head loss was 18.85%–47.07% lower than that of the traditional disc filter. Compared with the traditional disc filter, the average sediment retention and sediment uniformity of the disc filter with discrete channels were increased by 6.32% and 1.5–2.5 times, respectively, when the flow rate was . Considering the head loss, sediment retention, uniformity of sediment distribution, and other indicators, the hydraulic performance of the disc filter with a discrete channel is better than that of a traditional disc filter, and the filtration performance is slightly improved. The research results can provide a reference for the design and structural optimization of disc filter.
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Data Availability Statement
The data that support the finding of this study are available from the corresponding author upon reasonable request.
Acknowledgments
This work was supported by the Major Science and Technology Projects of the XPCC (2021AA003), the National Natural Science Foundation of China (51869027), and the corps focus area innovation team project (2019CB004).
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Published In
Journal of Irrigation and Drainage Engineering
Volume 149 • Issue 7 • July 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Oct 1, 2022
Accepted: Feb 21, 2023
Published online: Apr 26, 2023
Published in print: Jul 1, 2023
Discussion open until: Sep 26, 2023
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