The main factors influencing sulphur removal efficiency of FBC is discussed, and some problems in the refurbishment and design of FBC desulphurization system are put forward.

• 论述了流化床锅炉脱硫原理及影响脱硫效率的主要因素，给出流化床锅炉脱硫系统改造设计中应注意的一些主要问题。