Abstract
Taking the SCR flue gas denitrification system of a 1000MW coal-fired boiler in a power plant as the research object, through the coordinated test of the temperature field, flue gas field, NOx concentration field and NH3 concentration field at the entrance and exit of SCR, taking into account the influence of temperature, flow field and concentration field on denitrification reaction comprehensively, the ammonia injection optimization adjustment test was carried out under 900MW load, and the ammonia nitrogen molar ratio distribution at the entrance of SCR was optimized to improve the denitrification reaction. The uniformity of NOx distribution at SCR outlet was improved, and the ammonia escape concentration was reduced. The validation tests were carried out under 750 MW and 500 MW loads, and the NOx concentration distribution and ammonia escape concentration at SCR outlet were tested.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Cheng M, Zhong J, Liao Y, Fan J, Gao Z (2016) Optimization experiments of ammonia-injection in SCR denitrification system based on changeable flow field. Thermal Power Gener 45(12):136–142
Debo Li, Yongjin Liao, Tinghua Zeng, Jianhua Deng, Kai Xu, Fangyong Li (2016) Discussion on key problems in adjustment experiment for ammonia injectiongrid of SCR denitration system. Guangdong Electr Power 29(7):17–21
Ministry of Environmental Protection, National Development and Reform Commission, National Energy Administration: Notice on Printing and Distributing the Work Plan for Overall Implementation of Ultra-low Emissions and Energy-saving Transformation of Coal-fired Power Plants. 2015-12-11
Ji Weng, Zheng Wang, Xiaohai Li, Xingxing Xie (2017) Optimization of partition controlled ammonia-injection grid in SCR denitrification system. Chin J Environ Eng 11(5):289–293
Jie Wang, Chunhong Liu, Xiaozhong Tong, Biao Chen (2018) Application of Kriging method for flow analysis of denitrification reactor. Proce CSEE 38(6):1751–1759
Liang C, Shen Y (2012) Optimal operation of selective catalytic reduction (SCR) flue gas denitrification system in 1000 MW unit. Electr Power 45(1):41–44
National Development and Reform Commission, Ministry of Environmental Protection, National Energy Administration: Notice on Printing and Distributing the Action Plan for Upgrading and Reforming Energy Saving and Emission Reduction of Coal Power Plants (2014–2020). 2014-09-12
Sheng Sun, Jianle He, Fazhi Liu (2018) Optimization and adjustment experiment study on ammonia injection grid of SCR denitration system. Environ Develop 30(2):124–125
Shuangchen MA, Yue Deng, Wenlong WU (2016) Experimental research on ABS formation characteristics in SCR denitrification process. J Chin Soc Power Eng 36(2):143–150
Xin-gang Zhou, Xiao Lin, Qing-chuan Zhao (2016) Optimal experiment of selective catalytic reduction in 300MW coal-fired units. Power Syst Eng 32(2):43–46
Xingxing Cheng, Xiaotao Bi (2014) A review of recent advances in selective catalytic NOx reduction reactor technologies. Particuology 16:1–18
Yan-bin Ma, Guo-an Tang, Guang-wei Chen, Qian-wei Feng (2017) Optimal Experiment of selective cataly reduction in 1000MW power station. Power Gener Air Condit 38(4):16–20
Yongjin Liao (2017) Ammonia spraying optimization of an SCR denitrificaion system based on RBF neural network. J Chin Soc Power Eng 37(11):76–82
Yu-guang NIU, Yan PAN, Xiao-Bin LI (2019) Review and prospect of automatic control system for flue gas SCR denitration in steam power station. J Eng Thermal Energy Power 34(4):1–9
Yuming Zhao (2017) Study on ammonia injection optimization of SCR system based on flue gas field uniformity diagnosis. Chem Eng Equip 7:302–304
Zhaojun Fang, Lipeng Jin, Yubao Song, Junwu Zhao, Lele Wang (2014) Performance optimization and maximum denitrationefficiency analysis for SCR-DeNOxpower plants. Thermal Power Gener 43(7):163–166
Zhou H, Zhang Z, Zhang J (2011) Mixed structure-radial basis function neural network optimal control on spraying ammonia flow for supercritical boiler flue gas denitrification. Proc CSEE 31(5):108–113
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2022 Tsinghua University Press.
About this paper
Cite this paper
Liu, J. et al. (2022). Experimental Study on Optimal Adjustment of SCR Ammonia Injection for 1000 MW Coal-Fired Unit Based on Multi-field Cooperative Diagnosis. In: Lyu, J., Li, S. (eds) Clean Coal and Sustainable Energy. ISCC 2019. Environmental Science and Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-1657-0_58
Download citation
DOI: https://doi.org/10.1007/978-981-16-1657-0_58
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-16-1656-3
Online ISBN: 978-981-16-1657-0
eBook Packages: EnergyEnergy (R0)