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1)  ammonia stripping
氨汽提
1.
Presents the serious hazard of spray nozzle of HP ammonium carbamate ejector of ammonia stripping urea plant to the process,analyzes the reasons and make out preventive measures,providing references for operation and maintenance of chemical fertilizer plants of the same kind.
介绍氨汽提工艺高压甲铵喷射器使用过程中喷嘴损坏对工艺造成的严重危害,分析原因,制定防范措施,为同类型化肥装置的运行维护提供借鉴。
2)  ammonia stripper
氨汽提塔
1.
Checked the corrosion status of tube array of ammonia stripper, analysed the reasons of tube array corrosion, calculated the strength, and disposed the defects of tube array after the reversing of ammonia stripper.
检测了氨汽提塔列管腐蚀状况,分析了列管腐蚀原因,并进行强度核算,对氨汽提塔调头后列管缺陷进行处理。
2.
This article presents the situation of ammonia stripper corrosion, discusses reasons for frequent leaking of the lining welding and the countermeasures, as well as the cautions for the maintenance.
主要对氨汽提塔的腐蚀状况、衬里焊缝发生频繁泄漏的原因和应对措施以及维护检修中的注意 事项等进行探讨。
3)  ammonia-removing based on steam-extracting
汽提除氨
4)  NH3 stripping process
氨汽提法
5)  ammonia stripping process
氨汽提工艺
1.
Summarizes the production technology of ammonia stripping process,presents the operation and technical revamp of domestic main urea plants with ammonia stripping process,and analyzes problems existing in the operation of these plants.
氨汽提工艺生产技术情况进行总结,介绍全国主要氨汽提工艺尿素装置生产运行以及扩能改造实施情况,同时对氨汽提尿素装置运行中出现的问题进行分析总结。
6)  stripping ammonia-removing column
汽提脱氨塔
补充资料:氨汽提
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性质:又称氨汽提或氨解吸。铵离子与氨在废水中的平衡关系如下式: NH3+H2O←→NH4++OH-当废水pH值>7时,铵离子转化为氨,这样在有流动空气存在条件下,就可通过搅动废水使其中氨作为气体被去除。通常,氨气提系在利用鼓风机输送空气的解吸塔中进行。此法可去除氨-铵离子60%~95%,但在寒冷季节气温低时处理效率甚低。

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