Softening of boiler water refers to the exchangeability of "calcium and magnesium" hard ions in water and sodium ion exchanger, so as to remove calcium and magnesium salts that are easy to scale in water and achieve the purpose of softening water. Fixed bed and floating bed equipment are still the main equipment for ion exchange water treatment in boilers, and co-current regeneration equipment is gradually replaced by countercurrent regeneration equipment. . Hualin water quality