电厂湿法脱硫系统对烟气中细颗粒物脱除作用的实验研究.pdf

28 5 Vol.28 No.5 Feb.15, 2008 2008 2 15 Proceedings of the CSEE ©2008 Chin.Soc.for Elec.Eng. 1 0258-8013 (2008) 05-0001-07 TK 16 A 470 20 ⋅ 100084 Experimental Study on Removal Effect of Wet Flue Gas Desulfurization System on Fine Particles From a Coal-fired Power Plant WANG Hui, SONG Qiang, YAO Qiang, CHEN Chang-he (Key laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Haidian District, Beijing 100084, China) ABSTRACT: Fly-ash particles from the inlet and outlet of the KEY WORDS wet flue gas desulfurization fine particles wet flue gas desulphurization(WFGD) system in a 300 MW size distributionparticle component PM2.5 coal-fired power plant were sampled by an Andersen 8-stage Andersen 8 300 MW impactor and the mass concentrations and size distributions of (wet flue gas desulphurizationWFGD) fly-ash particles in flue gas were obtained. The samplings were developed under 100% and 70% boiler loads. The 100%70% microstructure, major and minor-element concentrations of particles were measured using field emission scanning electron – X microscopy/energy dispersive X-ray