According to the characteristic of high resistivityo f fly ash in 3 # boiler,a retrofit on its electrostatic precipitator is carriedout.The dust removal efficiency is risen from 97.3% to 99.5%.

• 根据大武口发电厂3号炉飞灰比电阻高的特点；对电除尘器进行了改造；使除尘效率由原来的97.；3%25提高到99