Therefore, the descend of SO2 removal efficiency should be considered when we rebuild a marble scrubbing dust collector to a equipment of wet calcium FGD &dusting.

• 因此，在将麻石水膜除尘器改造成旋流板塔脱硫除尘系统的过程中，增大叶片仰角的同时一定要考虑脱硫率的下降问题。