循环流化床烟气脱硫采用脱硫、除尘一体化工艺，具有系统简单、造价低、维护费用低、脱硫效率高等优点。通过对某电厂循环流化床烟气脱硫运行中存在的问题进行试验分析，找出运行问题的原因并提出措施，可供循环流化床烟气脱硫的设计、运行人员参考。

For the flue gas desulfurization(FGD) of circulating fluidized bed(CFB), the integrative process of desulfurization and dust extraction has many advantages of simple system, low cost, low maintenance cost, and high desulfurization efficiency ect. By the test analysis of the operation problems of CFB-FGD in the power plant, the causes and corresponding measures are put forward, providing references for design and operation of CFB-FGD system.