In view of scaling problem existing generally in PA production, the scaling status of PA unit with a series of gypsum reslurry circuit is analyzed and its countermeasures are also presented.

• 针对磷酸生产中普遍存在的结垢现象,分析了1套串联有石膏再浆回路的磷酸装置中的结垢情况,并提出了相应的解决措施。