凝聚器在135MW机组电除尘器改造中的应用

Application of Agglomerator in Electrostatic Precipitator Retrofit of 135 MW Power Unit

结合凝聚器在135 MW燃煤机组电除尘器改造中的应用,介绍了凝聚器的工作原理和技术特点。改造结果表明:加装凝聚器后进一步提高了电除尘器的除尘效率,出口颗粒物排放浓度减少了30%左右。凝聚器的投资、运行和维护费用比较低,改造工期短,对老机组电除尘器的技术改造有积极的意义。

Taking the application of agglomerator in the electrostatic precipitator retrofit of one 135 MW power unit as an example, this work introduced the operating principles and technical features of agglomerators in detail. After performing retrofit, we found that the collection efficiency of the electrostatic precipitator had been significantly improved, while the concentration of the outlet particles had been reduced by about 30%. The investment as well as the operation and maintenance costs of agglomerator is relatively low, while the retrofit period is also not too long. Thus, it is believed that agglomerator can benefit the technical retrofit of electrostatic precipitators in old thermal power units.