摘要
目前环保政策要求电站锅炉NO_x浓度排放合格的标准是控制小时均值,未对排放的实时值提出要求。为进一步减小电站锅炉NO_x的排放浓度,提高脱硝系统运行稳定性,最大限度发挥脱硝系统的潜力,通过研究和优化电站锅炉影响NO_x生成和脱除的各影响因素,实现了NO_x排放浓度实时值均达标,同时提高了锅炉热效率。在锅炉升降负荷的变工况时段避免了短时超标的现象,在系统的安全、稳定及经济性方面取得了良好的效果,并大大降低了运行人员日常操作调整的工作量。
The current environmental policy requires that the NO x emission of power station boilers is qualified by the control hourly average,while the real time value of emissions is not required.In order to further reduce NO x emissions from power station boilers,improve operation stability and maximize the potential of SCR system,the study and optimization of the influence factors on NO x generation and removal of power station boilers was carried out.Thereby the real time values of NO x emission were all up to standard,and the boiler efficiency improved.The phenomenon of short-term over standard was avoided in the changing condition of the boiler load adjustment.It achieved good results in the safety,stability and economy of the system,and greatly reduced the workload of daily operation adjustment.
作者
张广才
李锐攀
朱学智
陶然
ZHANG Guangcai;LI Ruipan;ZHU Xuezhi;TAO Ran(Guangdong Huizhou Pinghai Power Station Co.,Ltd.,Huizhou 516363,China)
出处
《环境工程技术学报》
CAS
2018年第6期586-592,共7页
Journal of Environmental Engineering Technology
