华电技术 ›› 2014, Vol. 36 ›› Issue (8): 65-67.

• 节能与环保 • 上一篇    下一篇

烟气脱硝喷氨自动控制回路的优化

  

  1. (广东粤电珠海金湾发电有限公司,广东珠海〓519050)
  • 出版日期:2014-08-25

Optimization of ammonia spraying automatic control loop of flue gas deNOx system

  1. (Guangdong Yudean Zhuhai Jinwan Power Generation Company Limited, Zhuhai 519050, China)
  • Published:2014-08-25

摘要: 摘要:介绍了广东粤电珠海金湾电厂2×600MW机组的烟气脱硝喷氨自动控制回路的概况,论述了火电厂选择性催化还原法脱硝系统运行中存在着最低喷氨温度选择、喷氨频繁启/停操作及自动喷氨效果不佳的问题,分析了出现问题的原因,提出了解决方法。

关键词: 关键词:喷氨全自动控制, 最低运行温度, 烟气脱硝, 选择性催化还原法

Abstract: Abstract:The ammonia spraying automatic control loop of the flue gas deNOx system of 2×600MW unit in Guangdong Yudean Zhuhai Jinwan Power Plant was introduced. There were problems in operation of SCR deNOx system of thermal power plant, such as the selection of the minimum ammonia injection temperature, the too frequent start/stop operation of the ammonia spraying system and the poor effect of the ammonia automatic spraying. The problems were described, and the reasons of the problems were analyzed. The solutions were proposed.

Key words: Keywords:full automatic control of ammonia spraying, minimum operation temperature, flue gas deNOx, selective catalytic reduction (SCR) technology