Separation and energy efficiency of packed apparatuses for purifying gases from aerosols

Лаптев, А. Г.; Башаров, М. М.; Лаптева, Е. А.

doi:10.1134/s0040579517050335

Cited by 10 publications

(3 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The effectiveness of existing dust collectors for PM2.5 particles, which pose a significant risk to human health and are found in areas previously considered free of such particles [1][2][3][4], is reduced to zero [5,6].…”

Section: Introductionmentioning

confidence: 99%

Theoretical study of the influence of gas phase turbulent disturbances on the kinetics of ultrasonic coagulation of PM2.5

Khmelev,

Nesterov,

Bochenkov

2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

A numerical model of ultrasonic coagulation of PM2.5 aerosol particles in three-dimensional vortex and turbulent acoustic flows is proposed in the article. The model is intended to identify the possibility of increasing the efficiency of the process. A numerical analysis of the model using the example of PM2.5 aerosol made it possible to establish that the presence of three-dimensional turbulent disturbances leads to the fact that the coagulation efficiency of PM2.5 reaches almost 100% at a sound pressure level of no more than 165 dB.

show abstract

Section: Introductionmentioning

confidence: 99%

Theoretical study of the influence of gas phase turbulent disturbances on the kinetics of ultrasonic coagulation of PM2.5

Khmelev,

Nesterov,

Bochenkov

2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…(Lapteva 2019, Kagan et al 2013). These apparatuses use stationary irregular and regular packing as contact elements (Laptev et al 2017). Irregular packings (Raschig rings, Pall rings, Berl saddles, HY-PAK, CASCADE-RINGS, Inzhekhim packings) (Lapteva 2019, Laptev et al 2017 increase hydraulic resistance, have relatively low efficiency, and are not able to work with contaminated gases and liquids.…”

Section: Introductionmentioning

confidence: 99%

“…These apparatuses use stationary irregular and regular packing as contact elements (Laptev et al 2017). Irregular packings (Raschig rings, Pall rings, Berl saddles, HY-PAK, CASCADE-RINGS, Inzhekhim packings) (Lapteva 2019, Laptev et al 2017 increase hydraulic resistance, have relatively low efficiency, and are not able to work with contaminated gases and liquids. Regular packings (INTALOX, Sulzer, Koch, Inzhekhim, Norton, Vakupak, Glitch-Grid, Mellapak, MellapakPlus, Mellagrid, mesh packings BX and CY) contain channels of a regular structure.…”

Section: Introductionmentioning

confidence: 99%

Calculation of Hydrodynamic Characteristics of Apparatus with Regular Tubular Packing

Issayeva

2021

RoczOchrSrod

View full text Add to dashboard Cite

Among the apparatuses with a regular arrangement of packing elements creating an in-phase mode of vortex interaction, which ensures high efficiency of the processes, it is interesting to use a standard tubular packing. Such packing allows additional advantages associated with heat supply or extraction directly in the contact zone of the interacting phases, which is very important for conducting some chemisorption processes. The research covers such hydrodynamic regularities as hydraulic resistance during a heat carrier movement in pipes and during external flow around a tubular beam, retained liquid amount and gas content of layer in the external flow around the tubular beam with liquid and gas flows. The research was carried out using an experimental setup with a heat and mass transfer apparatus with regular tubular packing. The medium used during experiments is water-air. The research methodology included standard methods for determining hydraulic resistance and retained liquid amount and visual observation and photographing of gas-liquid flows. The novelty of the research was equations – one for calculating the hydraulic resistance in pipes, taking into account local resistances and pipe roughness. The other ones for determining the pressure losses during the external flow around the tubular beam, the retained liquid amount, and the gas content of the layer, taking into account the vortex interaction of gas and liquid flows. Graphical and calculated dependences of the investigated hydrodynamic characteristics were obtained as a result of the conducted research of the hydraulic resistance during the heat carrier movement in the pipes, as well as the hydraulic resistance and the retained liquid amount during the external flow around the tubular beam with a change in the gas velocity and irrigation density. When the heat carrier flows in the pipes, the numerical values of the hydraulic resistance in the transient mode do not exceed 1.5 kPa, in the developed turbulence mode in the range of the Reynolds number from 1·104 to 6·104 DР varies from 1.5 to 53 kPa. With the external flow around the tubular beam, in the developed turbulence mode wg = 4 m/s and L = 25 m3/m2h, the hydraulic resistance is 85 Pa, the retained liquid amount is 4.5·10-3 m. The change in the irrigation density in this mode (developed turbulence) in the L range from 10 to 100 m3/m2h leads to an increase in the hydraulic resistance from 65 to 160 Pa, the retained liquid amount from 2.16·10-3 to 13.6·10-3 m. The calculated dependencies are the basis of the method for calculating the hydrodynamic characteristics of the apparatus with the regular tubular packing, which can be used to calculate industrial devices.

show abstract

Hydraulic Control Systems for Packing Blocks of Mass Exchange Apparatus. Part I. Systems of Smooth Adaptive Control for Absorption, Distillation, Wet Gas Emissions Cleaning

Меренцов

Persidskiy

Голованчиков

2022

Lecture Notes in Mechanical Engineering

View full text Add to dashboard Cite

Separation and energy efficiency of packed apparatuses for purifying gases from aerosols

Cited by 10 publications

References 5 publications

Theoretical study of the influence of gas phase turbulent disturbances on the kinetics of ultrasonic coagulation of PM2.5

Theoretical study of the influence of gas phase turbulent disturbances on the kinetics of ultrasonic coagulation of PM2.5

Calculation of Hydrodynamic Characteristics of Apparatus with Regular Tubular Packing

Hydraulic Control Systems for Packing Blocks of Mass Exchange Apparatus. Part I. Systems of Smooth Adaptive Control for Absorption, Distillation, Wet Gas Emissions Cleaning

Contact Info

Product

Resources

About