【作者】 张庆伟；

【导师】 冯立成； 陈林；

【作者基本信息】 四川大学 ， 化学工程， 2007， 硕士

【摘要】 增产降耗是合成氨工业永恒的主题，保证装置“安、稳、长、满、优”运行是合成氨人追求奋斗的目标。为进一步使合成氨装置运行平稳、消耗降低、产量增加，云南云天化股份有限公司(以下简称云天化)合成氨装置APC(Advanced Process Control，简称APC)项目于2005年12月正式立项。云天化合成氨APC项目是由美国Honeywell公司和云天化共同开发实施的，是国内第一套真正意义上针对合成氨全装置的先进控制项目。本文介绍了大型合成氨生产技术的现状和未来的发展方向，分析了云天化合成氨生产工艺和生产控制的技术关键，然后介绍了APC的基本概念和原理，接着阐述了云天化和Honeywell公司在云天化合成氨装置共同开发和实施APC的情况，研究并解决了APC的开发和实施中的关键技术问题：APC经济效益点的选取，APC系统设计方案的制定，如何做好阶跃测试工作等。云天化合成氨APC项目融合了云天化多年来丰富的操作经验和Honeywell的过程控制技术，在国内同行业首次成功开发并实施了合成氨装置多变量模型预测控制，使云天化在过程控制水平上居同行业领先地位，对同行业装置的先进控制具有很好的借鉴作用和示范意义。增产和节能降耗是合成氨生产的一个重要研究课题，云天化合成氨APC项目的成功实施和近一年来的稳定运行实践表明，云天化合成氨APC项目使合成氨能耗降低了0．5％左右，在外供天然气充足的情况下产量增加了2％左右，每年可带来500万元以上的直接经济效益。更多还原

【Abstract】 Capacity up and energy down is a permanent topic for ammonia plant, to ensure a "safe, stable, long-term, fully, perfect" operation of the plant is target for person who is on the ammonia plant to pursue.To ensure the ammonia plant a stable operation with energy decreasing while capacity increasing, Yunnan Yuntianhua Co, Ltd. (hereinafter called as Yuntianhua) set up the APC (Advanced Process Control) project in December of 2005. The project is jointly developed and implemented by both Honeywell Company and Yuntianhua Company, which is the first real advanced control project with respect to ammonia plant.The article covers the present situation and development direction for the large scale ammonia plant, analyzes the technical critical point for ammonia process and control, integrates the basic concept of APC system, states the joint development of the APC system between Yuntianhua and Honeywell as well as the key point during the research and implementation, i.e. selection of APC economic points, establishment of APC system design, how to process the step test and so on.The APC system integrated the workstaff ’s long year operation experiences and Honeywell process control technology. It makes Yuntianhua as the first company in the similar industry to develop and implement successfully multi variables appraisement control in ammonia plant, and establish its leading postion in process control ammony the similar industry, which could be act as a reference and sample for other companies.Capacity increasing and energy decreasing is an important research topic for ammonia plant. After more than one year operation, the APC system shows the energy is decreased by around 0.5% and the capacity is increased by 2% at a condition of shortage of natural gas, which can bring Yuntianhua 5 million profit.更多还原