Analysis of Flow in Power Plant Flue via Fluent Simulations

Author:

Chen Guan Yi1,Yuan Guo Dong1,Zheng Le Yu2,Guo Xiao Ke2,Lv An Long2,Geng Ye1,Cui Zhan Zhong1,Long Hui3,Yan Bei Bei1,Ni Yu4,Long Zheng Wei1

Affiliation:

1. Tianjin University

2. China Power Engineering Consulting Group

3. Electric Power Planning and Engineering Institute

4. 3 Electric Power Planning and Engineering Institute

Abstract

The gas flow status including velocity and pressure in the rectangular gas duct (before or after) electrostatic precipitator of a power plant were simulated using Fluent software. The grid accuracy which is required by simulation has been determined then the gas flow status has been analyzed through the comparison between numerical simulation results and empirical calculation results. The results show that flues inner supporting structures are the main factor of gas pressure drops and outlet velocity distrubution.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference5 articles.

1. Lakshmiraju M, Cui J. Numerical investigation of pressure loss reduction in a power plant stack[J]. Applied mathematical modelling, 2007, 31(9): 1915-(1933).

2. Lechuan Zhang, Li Jiang, Zhen Hou, Optimization Design of Flue before EPS[J]. Power System Engineering , Vol. 26. No. 4: 33-34.

3. Llerena-Chavez H, Larachi F. Analysis of flow in rotating packed beds via CFD simulations—Dry pressure drop and gas flow maldistribution[J]. Chemical Engineering Science, 2009, 64(9): 2113-2126.

4. Kallinikos L E, Farsari E I, Spartinos D N, et al. Simulation of the operation of an industrial wet flue gas desulfurization system[J]. Fuel Processing Technology, 2010, 91(12): 1794-1802.

5. Dongjie Yan, Xiaoqing Dang, Xuemin Huang et al. Numerical simulation experimental study on gas flow distribution of electrostatic precipitator[J]. Chinese Journal of Environmental Engineering, Vol. 2 No. 2 Mar. 2008. pp.383-386.

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