大型燃机化学加氨系统及其安全技术研究与应用  

Research and Application of Chemical Ammonia Dosing System and Its Safety Technology for Large-Scale Combined Cycle Power Plant

作　　者：姬晓慧 JI Xiaohui(China Energy Engineering Group Guangdong Electric Power Design Institute Co.,Ltd.,Guangzhou 510663,China)

机构地区：[1]中国能源建设集团广东省电力设计研究院有限公司,广州510663

出　　处：《南方能源建设》2021年第3期104-108,共5页Southern Energy Construction

基　　金：中国能建广东院科技项目“大型燃机系统优化研究”(EX02411W)。

摘　　要：[目的]通过对广东某燃机项目热力系统加液氨和加氨水两种技术方案的技术经济比较,提出凝结水、给水的水质控制指标加液氨方式优于加氨水方式。加液氨可以提高热力系统设备及管道的耐腐蚀性,更有利于整套机组的安全稳定运行;液氨耗量少、运行费用较低,技术经济效益显著。[方法]为了确保液氨贮罐的安全运行并减少事故的发生,结合现行国家、地方法规和标准,提出了对液氨系统的安全设计及技术措施。[结果]总结了液氨系统安全设计的关键技术及主要创新点。[结论]研究成果可以对今后类似工程的设计起到借鉴作用。[Introduction]Through the technical and economic comparison of two ways of chemical dosing liquid ammonia and ammonia water for a large-scale combined cycle power plant in Guangdong Province,it is proposed that the water quality control index of condensate and feed water in the way of adding liquid ammonia is prior to the way of adding ammonia water.In addition,adding liquid ammonia can improve the corrosion resistance of the thermal system equipment and pipelines,and is beneficial to the safe and stable operation of the whole unit.Moreover,the consumption and operation cost of liquid ammonia are lower and the technical and economic benefits are more effective.[Method]In order to ensure the safe operation of liquid ammonia storage tank and prevent safe accidents,combined with the current national and local regulations and standards,this paper provided the safety technology design and measures for liquid ammonia system.[Result]This paper summarizes the key technology and innovative points of safety design for liquid ammonia system.[Conclusion]Therefore,it can play a reference role for the design of similar projects in the future.

关 键 词：大型燃机 化学加药 液氨贮罐 安全技术 

分 类 号：TM611[电气工程—电力系统及自动化] TM621.8