中国电机工程学报2016，Vol.36Issue(2)：468-473,604,7.DOI:10.13334/j.0258-8013.pcsee.2016.02.018
超低排放燃煤火电机组湿式电除尘器细颗粒物脱除分析
Particle Removal Efficiency Analysis of WESP in an Ultra Low Emission Coal-fired Power Plant
摘要
Abstract
Fly ash particles from the inlet and outlet of the WESP in a 300 MW ultra low emission coal-fired power plant were sampled by a Dekati DPI small particle sampling collector, the mass concentrations and diameter distributions of fly ash particles in the flue gas were measured. PM10, PM2.5 and PM1 removal efficiency were then calculated using the above measurement data. The measurement results indicate that WEPS has an outstanding particle removal efficiency. The particle concentration dropped from 16.1 mg/m3 to 1.8 mg/m3 after flue gas passing through WESP, particle removal efficiency had reached 88%. Ultra low emission standard of flue gas particles can be achieved using WESP, the particle emission could be less than 5 mg/m3. The PM2.5 removal efficiency of WESP has reached 75% when the coal-fired unit worked in 100% unit load. Particles with diameters larger than 10μm were removed significantly using WESP.关键词
细颗粒物/超低排放/燃煤/火电机组/湿式电除尘器(WESP)/热泳力/机组负荷Key words
PM2.5/ultra low emission/coal-fired/power plant/wet electrostatic precipitator(WESP)/thermophoretic force/unit load分类
能源科技引用本文复制引用
赵磊,周洪光..超低排放燃煤火电机组湿式电除尘器细颗粒物脱除分析[J].中国电机工程学报,2016,36(2):468-473,604,7.基金项目
大型燃煤电站近零排放控制关键技术及示范工程(2015BAA05B02) Major Control Technology and Application Demonstration of Near-Zero Coal-Fired Power Plant (2015BAA05B02). （2015BAA05B02）
