At present, wet process desulfurization devices of many power plants in our country should be reformed in capacity-increasing and efifciency-raising. The paper introduces several capacity-increasing and efifciency-raising reform schemes, and discusses the applications and excelences and shortcomings of the very scheme so as to provide the references for the similar capacity-increasing and efifciency-raising reform engineering of FGD devices.%目前，国内许多火电厂的湿法脱硫装置需要进行增容提效改造。文章介绍了几种应用较广泛的增容提效改造方案，并对各方案的应用和优缺点进行了论述，为同类烟气脱硫装置增容提效改造工程提供了参考。
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