EFFICIENCY AND DISCHARGE CHARACTERISTICS OF HYDROCYCLONE WITH A FILTER DRAIN TUBE

Authors:Lamskova Mariya Igorevna, Filimonov Maksim Igorevich, Novikov Andrey Evgenievich, Borodychev Sergey Viktorovich

628.16
Theme: Land Reclamation, Recultivation, and Land Protection
Views: 2341

Annotation

Purpose: an experimental comparison of the optimal operating modes of standard and modernized hydrocyclone for water purification in reclamation systems.

Materials and methods: experimental studies to determine the water purification efficiency from dispersed particles for standard and modernized hydrocyclone were carried out, in which the drain pipe is supplemented with a bulk filter. The water with a given concentration of solid particles, the size and concentration of which corresponded to the fractional composition of impurities in a natural reservoir was the simulative suspension.

Results and discussions. As a result of the analysis of the water of a natural water source, it was found that the mass concentration of solid particles is 5 %, while 21 % of the total mass of mechanical impurities are particles with a size of 50 microns or less. The optimal value of the diameter of the sand pipe of a standard hydrocyclone GNS-100 for separating the investigated suspension is 10 mm. This design provides a purification degree of 0.79, while the ratio of purified and sludge water discharge is 3.6. The optimal parameters of the hydrocyclone of the proposed design are the diameter of the sand pipe 10 mm and the backfill of the filter layer 75 %. This configuration provides a 0.91 separation efficiency with a 17 % sludge water loss.

Conclusions: the proposed design of a hydrocyclone with a drain pipe, supplemented with a bulk filter, makes it possible to increase the efficiency of trapping mechanical impurities by 12 % in comparison with a typical apparatus, which is due to the joint implementation of hydrocyclone processes and filtration through a layer of granular loading.

doi: 10.31774/2712-9357-2021-11-4-34-48

Keywords

reclamation systems, irrigation, hydrocyclone, mechanical impurities, filtration, bulk filter, water treatment, treatment efficiency

For quoting

Efficiency and discharge characteristics of hydrocyclone with a filter drain tube / M. I. Lamskova, M. I. Filimonov, A. E. Novikov, S. V. Borodychev // Land Reclamation and Hydraulic Engineering [Electronic resource]. 2021. Vol. 11, no 4. P. 34–48. URL: http:www.rosniipm-sm.ru/en/article?n=1236 (date of access: 22.11.2021). DOI: 10.31774/2712-9357-2021-11-4-34-48.

Authors

M. I. Lamskova – Associate Professor of the Department of Processes and Apparatus for Chemical and Food Production, Candidate of Technical Sciences, Volgograd State Technical University, Volgograd, Russian Federation, lamskov@yandex.ru

M. I. Filimonov – Researcher Department of Irrigation Reclamation, Candidate of Technical Sciences, All-Russian Research Institute of Irrigated Agriculture, Volgograd, Russian Federation;

Senior Lecturer of the Department of Processes and Apparatuses of Chemical and Food Industries, Candidate of Technical Sciences, Volgograd State Technical University, Volgograd, Russian Federation, maksim.filimonov.work@yandex.ru

A. E. Novikov – Director, Doctor of Technical Sciences, Associate Professor, All-Russian Research Institute of Irrigated Agriculture, Volgograd, Russian Federation;

Head of the Department of Processes and Apparatus for Chemical and Food Production, Doctor of Technical Sciences, Associate Professor, Volgograd State Technical University, Volgograd, Russian Federation, ae_novikov@mail.ru

S. V. Borodychev – Engineer, Volgograd Branch of the All-Russian Research Institute of Hydraulic Engineering and Land Reclamation named after A. N. Kostyakov, Volgograd, Russian Federation, vkovniigim@yandex.ru

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