Modeling and Calculation of Flow Filter

Меренцов, Н. А.; Балашов, В. А.; Bokhan, S A; Нефедьева, Е Э; Tezikov, D A; Groshev, V V

doi:10.1088/1755-1315/224/1/012041

Cited by 10 publications

(5 citation statements)

References 8 publications

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“…For example, the collected ash particles at thermal power plants are widely used in the construction industry. When adding the collected ash to the building materials, their strength increases, which leads to an improvement of performance properties and allows for an economic effect [10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

The gas flow dynamics in a separator with coaxially arranged pipes

et al. 2020

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In order to increase the efficiency of gas purification from the particles of up to 20 microns and to increase the service life of bag and electrostatic filters, the authors propose to use a centrifugal separation device with coaxially arranged pipes to be installed before the fine purification devices. The numerical studies of gas dynamics in a separation device were conducted in ANSYS Fluent software package. As a result of conducted numerical studies, it was found that the pressure loss in the centrifugal separation device is not more than 70 Pa at the inlet gas flow rate from 1 to 15 m/s and the width of rectangular hole within the range from 10 to 15 mm. The low pressure losses are caused by the design features; in particular, the resulting vortices in the inter-cylindrical space practically do not contact the wall surfaces of device. The equations of pressure loss depending on the width of rectangular holes and the hydraulic resistance coefficient of separation device depending on the inlet gas flow rate were obtained. The design coefficient of hydraulic resistance of separation device was equal to 0.45.

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Section: Introductionmentioning

confidence: 99%

The gas flow dynamics in a separator with coaxially arranged pipes

et al. 2020

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“…For example, the main sources of dust emissions in the metallurgical industry are the activities related to the unloading of furnace burden into the bunker, unloading into the mobile weighbridge for wagons; a large number of particles of unburned fuel and ash dispersion, in the electricity-producing industry, is contained in the fume gases; dust, in the food industry, is emitted during the production of various food products; dusty gas flows are formed in the construction industry during air transportation of different materials etc. [2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Collecting finely-dispersed particles from the gas flow in a centrifugal separator with coaxially arranged pipes

2020

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The article deals with the problem of increasing the efficiency of dedusting the gas flow from the finely dispersed particles smaller than 10 μm. In order to solve this problem, a design of centrifugal separator with coaxially arranged pipes is proposed. The described principle of operation includes the large values of centrifugal forces, which take place inside the device when the flow is swirled, and these forces throw the finely dispersed particles to the walls of device. This scientific paper shows a numerical simulation of gas flow dedusting process by means of ANSYS Fluent software package. The efficiency of dedusting the gas from the finely dispersed particles of up to 10 μm in the device is on average within the range of 53.8–76.7%. The exponential function, describing the changes in the pressure loss from the input gas rate, is obtained. In the course of studies, it was found that the pressure loss in the device is not more than 800 Pa at the input gas rate from 3 to 19 m/s.

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“…One of these methods is the study of various inserts, to be installed inside of settling tanks, which have the form of webs, shields and other geometric bodies that increase the velocity of water-oil emulsions stratification into components by changing the flow structure when skirting the obstacles. It should be noted that nowadays the flow rate of water-oil emulsions in settling tanks does not exceed few millimeters per second, since at higher velocities the efficiency of emulsions separation significantly decreases due to the mixing of phases [10][11][12][13][14][15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

The experimental study of increasing the efficiency of emulsion separation

et al. 2020

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The aim of this research paper is to compare the operation efficiency of two types of coalescents: insert, made of high porous material and flat baffles. For this purpose, the method of physical experiment was applied. This research paper shows that the use of them in the settling tank allows to increase the efficiency and velocity of water-oil emulsion separation with an increase of oil concentration in the original mixture from 15 up to 25%. The experimental studies also show that the most effective coalescers are the baffles, than the inserts, made of highly porous cellular material, due to the fact that the cells are quickly clogged with heavy oil components, which leads to a more complex flow structure through them, therefore, the process of mixing oil and water compounds is intensified and prevails over the coalescence process. The velocity of oil-water emulsion separation when using the inserts, made of highly porous cellular material, and baffles in comparison with the settling tank without inserts, increases on average by 10.9 and 14.5%.

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Modeling and Calculation of Flow Filter

Cited by 10 publications

References 8 publications

The gas flow dynamics in a separator with coaxially arranged pipes

The gas flow dynamics in a separator with coaxially arranged pipes

Collecting finely-dispersed particles from the gas flow in a centrifugal separator with coaxially arranged pipes

The experimental study of increasing the efficiency of emulsion separation

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