A RESEARCH OF THE IMPROVEMENT OF THE GAS VELOCITY DISTRIBUTION IN ELECTROSTATIC PRECIPITATOR THROUGH CFD SIMULATION
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Published:
Feb 15, 2021
Keywords:
CFD simulation, electrostratic precipitator, velocity distribution
Main Article Content
Abstract
Electrostatic precipitators (ESP) have been widely used in different fields such as thermal power plants, cement plants, production of constructive materials, chemical industry, fertilizer production, . . . due to their advantages
over other dust collector systems. One of the parameters which influences on dust removing efficiency of the ESP devices is the speed and velocity distribution of the polluted gas in the collecting chamber. This paper presents the research results of improving the uniform distribution of the gas velocity in the collecting chamber of ESP using CFD (Computational Fluid Dynamics) simulation. The simulation results showed that as the dispersion plate was installed at the gas inlet of the collecting chamber the velocity distribution of gas flow was more uniform and its direction was more stable towards the outlet. In addition, the dispersion plate also improved the flow stability at different flow rates and the smaller hole diameter on the dispersion plate was better for the velocity distribution and direction in the flow. The research results provide an approach for
optimum design of a ESP with high collection efficiency.
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1.
Duong B, Truong M, Le Q, Phan T, Truong L. A RESEARCH OF THE IMPROVEMENT OF THE GAS VELOCITY DISTRIBUTION IN ELECTROSTATIC PRECIPITATOR THROUGH CFD SIMULATION. journal [Internet]. 15Feb.2021 [cited 20Apr.2024];11(42):94-01. Available from: https://journal.tvu.edu.vn/index.php/journal/article/view/696
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References
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Fluid flow analysis in electrostatic precipitator of a
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different shape of baflles. Mechanical Engineering
Research Journal. 2016; 10:47–50.
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Subaschandar N. Flow simulation in an electrostatic
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electrostatic precipitator. Sadhana. 2015; 40(3):863–
873.
[20] Kabadi SJ, Hambarde MD. Flow optimization of
electrostatic precipitator using non uniform porosity
distribution screen. International Journal of Current
Engineering and Technology. 2016; 5:68–74.
[21] Power Sweden GE, Sweden AB. Relation Between
Gas Velocity Profile and Apparent Migration Velocity
in Electrostatic Precipitators. International Journal of
Plasma Environmental Science & Technology. 2017;
11(1):104–111.
[22] Triệu Quý Huy. Nghiên cứu tạo trường vận tốc đều
của dòng khí trong thiết bị lọc bụi tĩnh điện nhằm
nâng cao hiệu suất lọc [Luận án Tiến sĩ]. Viện Nghiên
cứu Cơ khí. 2018.
[23] Haque S, Rasul M, Deev A, Khan MM, Zhou J.
The influence of flow distribution on the performance
improvement of electrostatic precipitator; 2006.
[24] Swaminathan, Mahalakshmi NV. Numerical Modelling of Flow through Perforated Plates Applied
to Electrostatic Precipitator. Journal of Applied Sciences. 2010;10.
from gaseous bodies. US Patent 895729. 1908.
[2] Wang A, Song Q, Tu G, Wang H, Yue Y, Yao Q.
Influence of flue gas cleaning system on characteristics of PM2.5 emission from coal-fired power plants.
International Journal of Coal Science & Technology.
2014; 1(1):4–12.
[3] Huang Y, Huang S, Zheng Q, Shen X, Wang S, Han P,
et al. Recent progress of dry electrostatic precipitation
for PM2.5 emission control from coal-Fired boilers.
International Journal of Plasma Environmental Science & Technology. 2015; 9:69–126.
[4] Bandyopadhyay A, Mandal PK. Investigation on multiple benefits of wet ESP for emission control in an
Indian coal fired thermal power plant. Clean Technologies and Environmental Policy. 2015; 17(2):421–
31.
[5] Bayless DJ, Shi L, Kremer G, Stuart BJ, Reynolds
J, Caine J. Membrane-Based Wet Electrostatic Precipitation. Journal of the Air & Waste Management
Association. 2005; 55(6):784–91.
[6] Bologa A, Paur H-R, Seifert H, Waescher T, Woletz
K. Novel wet electrostatic precipitator for collection of fine aerosol. Journal of Electrostatics. 2009;
67:150–153.
[7] Biao X. CFD Numerical Simulation of ESP Airflow
Distribution and Application of Flue Gas Distribution. Berlin, Heidelberg: Springer Berlin Heidelberg;
2009.
[8] Dekate D. Comparative study of Various Parameter
of ESP by Using CFD. International Journal of
Engineering Research and General Science. 2015;
3(3):266–274.
[9] Maitelli C, Bezerra V, Mata W. Simulation of flow in
a centrifugal pump of ESP systems using computational fluid dynamics. Brazilian Journal of Petroleum
and Gas. 2010; 4:1–9.
[10] Zhu J, Cuamatzi-Melendez R, Martinez Farfan JA,
Zhu H, Zhang J, Zhang H-Q, editors. Flow Pattern
Prediction in Electrical Submersible Pump (ESP)
Under Gassy Flow Conditions Using Transient Multiphase CFD Methods With Visualization Experimental Validation. ASME 2018 5th Joint US-European
Fluids Engineering Division Summer Meeting; 2018.
V003T19A002.
[11] Sayem ASM, Khan MMK, Rasul MG, Hasan NMS.
Fluid flow analysis in electrostatic precipitator of a
coal fired power plant considering electrode with two
different shape of baflles. Mechanical Engineering
Research Journal. 2016; 10:47–50.
[12] Haque SME, Rasul MG, Deev AV, Khan MMK,
Subaschandar N. Flow simulation in an electrostatic
precipitator of a thermal power plant. Applied Thermal Engineering. 2009; 29(10):2037–2042.
[13] Guo BY, Hou QF, Yu AB, Li LF, Guo J. Numerical
modelling of the gas flow through perforated plates.
Chemical Engineering Research and Design. 2013;
91(3):403–408.
[14] Trần Tuấn Anh. Nghiên cứu thiết kế chế tạo thiết bị
tự động hóa cho hệ thống lọc bụi tĩnh điện. Đề tài
cấp Nhà nước. 1999.
[15] Phạm Giao Du. Nghiên cứu thiết kế, chế tạo thiết bị
phụ tùng thay thế cho công nghiệp xi măng lò quay
1,4 triệu tấn/năm. Đề tài cấp nhà nước. 2005.
[16] Kiss I, Suda J, Kristóf G, István B. The turbulent
transport process of charged dust particles in electrostatic precipitators. In 7th international Conference on Electrostatic Precipitation, Kyongju, Korea.
1998:196–205.
[17] Haque SME, Rasul MG, Khan MMK, Deev AV, Subaschandar N. Influence of the inlet velocity profiles
on the prediction of velocity distribution inside an
electrostatic precipitator. Experimental Thermal and
Fluid Science. 2009; 33(2):322–328.
[18] Soldati A, Andreussi P, Banerjee S. Direct simulation
of turbulent particle transport in electrostatic precipitators. AIChE J. 1993; 39(12):1910–1919.
[19] Gajbhiye N, Eswaran V, Saha AK, Kumar A. Numerical calculation of particle collection efficiency in an
electrostatic precipitator. Sadhana. 2015; 40(3):863–
873.
[20] Kabadi SJ, Hambarde MD. Flow optimization of
electrostatic precipitator using non uniform porosity
distribution screen. International Journal of Current
Engineering and Technology. 2016; 5:68–74.
[21] Power Sweden GE, Sweden AB. Relation Between
Gas Velocity Profile and Apparent Migration Velocity
in Electrostatic Precipitators. International Journal of
Plasma Environmental Science & Technology. 2017;
11(1):104–111.
[22] Triệu Quý Huy. Nghiên cứu tạo trường vận tốc đều
của dòng khí trong thiết bị lọc bụi tĩnh điện nhằm
nâng cao hiệu suất lọc [Luận án Tiến sĩ]. Viện Nghiên
cứu Cơ khí. 2018.
[23] Haque S, Rasul M, Deev A, Khan MM, Zhou J.
The influence of flow distribution on the performance
improvement of electrostatic precipitator; 2006.
[24] Swaminathan, Mahalakshmi NV. Numerical Modelling of Flow through Perforated Plates Applied
to Electrostatic Precipitator. Journal of Applied Sciences. 2010;10.