提高蒸氨装置运行稳定性的优化措施

摘要

This paper systematically analyzes the influencing factors based on production realities for the problem of blockage in ammonia stripper which has impacted stable operation of the system,and proposes optimization and modification for oil discharging in source liquor, alkali dosing mixer and feeding process for ammonia stripper,which has reduced the blockage of ammonia stripper trays and greatly improved the operation stability of the system. In addition,the NH3-N content in wastewater from ammonia stripping could be stably controlled within 100~200mg/L.%针对蒸氨装置因堵塞影响系统稳定运行的问题，根据生产实际，对其影响因素进行了系统性分析，并对原料氨水排油、加碱管道混合器、蒸氨塔进料工艺进行了优化改造，蒸氨塔塔盘的堵塞情况得到缓解，装置运行稳定性大幅提高，蒸氨废水NH3-N可稳定控制在100~200mg/L。