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针对硝铵造粒塔在运行中出现的腐蚀情况， 介绍了外壁混凝土裂缝灌浆、筒壁内部防腐、操作室隔墙的更换及防腐、混凝土及钢结构的防腐和排水系统的改造等防腐技术及措施， 实施效果良好。
Aiming at the corrosion of ammonium nitrate granulation tower in operation, this paper introduces the anticorrosive technologies such as the external wall concrete crack grouting, the internal corrosion of the cylinder wall, the replacement and anticorrosive of the partition of the operating room, the anticorrosion of the concrete and the steel structure and the renovation of the drainage system. Measures, the implementation of good results.