1课题的提出佳木斯铁路分局观配属蒸汽机车142台，其中：佳木斯机务段配届74台，因机车用水质量不符合部颁标准，多年来一直使用高硬度、高残渣、含铁量高的水质（硬高5．53mg／l、残查540mg／l），造成钢炉内水垢结生过快。特别是因水质悬浮物多造成往水器故障频繁发生，长期 1 Question put forward Jiamusi Railway Branch is equipped with 142 steam locomotives, of which: Jiamusi depot session of 74 units, because the locomotive water quality does not meet the ministerial standards, over the years has been using high hardness, high residue, high iron content of water (Hard high 5.53mg / l, the remaining 540mg / l), resulting in steel furnace scale scaling too fast. In particular, due to suspended solids and more water caused frequent failures, long-term