Analysis of the causes of abnormal quality of gypsum wet FGD system and suggestions

摘要

For the maintenance of a 330 MW limestone - gypsum wet flue gas desulfurization system found, in-depth analysis of the factors affecting the desulfurization gypsum quality, including: impurities in gypsum, absorption tower impurity balance, desulfurization absorbent quality, lime stone particle size. And attention in the operation of the desulfurization system and suggestions.