The reason for block-up and corrosion in deacidification and ammonia evaporating system of Cheng Steel is analyzed,some measures adopted from technology and equipment,better economic profit got.

• 分析了承钢化学产品脱酸蒸铵系统堵塞与腐蚀的原因,从工艺和设备等方面采取了有效措施,取得了较好的经济效益。