Study of Airflow Distribution in Fabric Area of Electrostatic-Fabric Integrated Precipitator

C. Sun1, X. Long2, B. Lou2, and X. Yu1, 2

1Electric Power Research Institute of Guangdong Power Grid Corporation, China
2South China University of Technology, China

Abstract- Numerical simulation method was used to calculate the airflow distribution in the fabric area. We established the 3-D structure for Electrostatic-Fabric Integrated Precipitator (EFIP) of 600 MW unit by the Pro/Engineering software and dealt with the data collecting from the simulation with the Tecplot 360. Data about airflow distribution in the filter area were obtained by comparing different operation conditions. In the filter area, the biggest pressure is 530 Pa and the speed in the bags was changing from 1 m/s to 4 m/s. Bags located at the front of fabric area are tend to be damaged due to the fast flue gas and those bags in the second filter area would be used for more time because of the smaller flux than the first one. The numerical simulation results are reasonable and could be used as the reference to the designing of EFIP.

Keywords- Numerical simulation, filter bag, airflow distribution, electrostatic-fabric integrated precipitator



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