Effect of the Design of a Multi-Vortex Classifier–Separator on the Separation Efficiency of Powder Based on Silica Gel

Зинуров, В. Э.; Дмитриев, А. В.; Дмитриева, О. С.

doi:10.1007/s10556-023-01158-9

Chem Petrol Eng

2023

DOI: 10.1007/s10556-023-01158-9

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Effect of the Design of a Multi-Vortex Classifier–Separator on the Separation Efficiency of Powder Based on Silica Gel

В. Э. Зинуров

А. В. Дмитриев

О. С. Дмитриева

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Cited by 4 publications

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Effect of arc element diameter on fine particle collection efficiency of the separator

Vu Linh,

Abdullina,

Khamitova

et al. 2023

E3S Web Conf.

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Clean gas without suspended particles is an essential factor for many industries. The paper is concerned with the design of a separation device with rows of the arc elements, in which a wave-like flow pattern is observed. The separation of solid particles from the gas occurs due to inertial and centrifugal forces. A three-dimensional model of the device and its operating principles are presented. The aim of the work is to numerically study the effect of the size of the arc elements of the separation device on the efficiency of particle collection. In the course of the simulation, the diameter of the arc elements varied from 25 to 50 mm. The exit to the stationary solution was estimated by the pressure drop of the separation device. It was found that about 870 iterations were needed. Results have shown that the diameter of the arc elements, at which the maximum efficiency of collecting particles from gas-solid flow occurs, is 40 mm. The separation efficiency of the device with a diameter of the arc elements of 25, 40, and 50 mm averages 81.1, 90.1, and 86.5%, respectively, at an inlet gas velocity of 0.5 to 5.0 m/s. The pressure loss in the separation device ranged from 12.6 to 1924.1 Pa at a gas velocity of 0.5 to 5.0 m/s. It is concluded that it is important to use a separation device to collect fine particles at a dusty gas velocity of less than 3 m/s because its pressure drop is significantly lower compared with other air separators.

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Effect of arc element diameter on fine particle collection efficiency of the separator

Vu Linh,

Abdullina,

Khamitova

et al. 2023

E3S Web Conf.

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Effect of arc element row arrangement on separator efficiency

Vu Linh,

Khamitova,

Kuznetsov

et al. 2023

E3S Web of Conf.

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Dust emission gas cleaning is a crucial factor for many industries. The paper proposes a separator with the arc-shaped elements to clean dusty gas from solid particles. The study aims to examine how the distance between rows of arc-shaped elements affects separator efficiency and pressure drop, using numerical methods. In simulations, the inlet velocity of the gas flow varied from 0.5 to 5 m/s and the particle size was 10 to 170 μm. It was found that the change in the distance between the rows of the arc elements in the device leads to the formation of different streams. The results show that increasing the distance between the rows of the arc results in a decrease in the separator efficiency, since the particles during separation from the dusty gas due to centrifugal forces fly into the space between the elements, where they are inversed by the flow again. In this case, the pressure drop decreases. The maximum efficiency of particle separation by the developed device (95.4%) is achieved at a distance between rows of arc elements of 0.75. Pressure loss in the separator ranges from 16 to 1862 Pa at an inlet gas velocity of 0.5 to 5 m/s.

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Study of eco-friendly static gas-solid centrifugal separator

Prets,

Ziangirov,

The Vu

et al. 2024

E3S Web of Conf.

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Gas-solid separation is a common process in many industries, including transport and power engineering. A static centrifugal multivortex device has been developed for effective separating fine particles from gas streams. The work aims to numerically study the efficiency and pressure drop of the separator. It was found that a choice of the turbulence model does not affect the pressure drop. The efficiency of the static centrifugal separator is 64.3% at the input gas velocity of 7 m/s. The sloped blades located above the apertures made in the internal pipe results in the improvement of separation efficiency. Moreover, changing the slope of the blades does not affect the efficiency of the separator. The hydraulic resistance coefficient of the developed device is on average 20.6, with a Reynolds number from 11400 to 38000. The low pressure drop provides reduced energy cost, which promotes decarbonization efforts.

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Effect of the Design of a Multi-Vortex Classifier–Separator on the Separation Efficiency of Powder Based on Silica Gel

Cited by 4 publications

References 7 publications

Effect of arc element diameter on fine particle collection efficiency of the separator

Effect of arc element diameter on fine particle collection efficiency of the separator

Effect of arc element row arrangement on separator efficiency

Study of eco-friendly static gas-solid centrifugal separator

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