火力发电厂脱硝自动控制系统的优化与改进

Optimization and Improvement of Automatic Control System for Denitration in Power Plant

主要针对火电厂脱硝系统在供氨调节门在自动运行状态中出现的问题对脱硝系统中现场设备和DCS逻辑进行优化,提高自动投入率,确保脱硝系统达标排放要求。

Mainly aiming at the problems appeared during the automatic operation of regulating valve for ammonia supply in de -nitration system of thermal power plants , the on-site devices and DCS logic of denitration system are optimized in order to im-prove the automatic input rate and to ensure the satisfied emissions of denitration system .