会议论文详细信息
2019 2nd International Conference of Green Buildings and Environmental Management
Causes and Countermeasures for Decrease in Denitration Efficiency and Excessive Ammonia Escape in SCR System of Coal-fired Power Plants
生态环境科学
Qi, Xiaohui^1
Huadian Electric Power Research Institute Co., Ltd., HangZhou, ZheJiang
310000, China^1
关键词: Ammonia injection;    Coal-fired power plant;    Concentration distributions;    Denitrification efficiencies;    Field investigation;    Operation process;    Plant equipments;    Stable operation;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/310/3/032056/pdf
DOI  :  10.1088/1755-1315/310/3/032056
学科分类:环境科学(综合)
来源: IOP
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【 摘 要 】

The good operation of the SCR flue gas denitration system in coal-fired power plants is of great significance to the environment. This paper introduces the denitrification efficiency drop and the ammonia escape exceeding standard in the operation process of a coal-fired power plant denitrification device. According to the actual situation of the plant equipment and the field investigation results, the problem is analyzed in depth, and the test measures for the optimization of ammonia injection are proposed. Through experiments, reducing the NOx concentration distribution of the outlet is to improve the denitration efficiency of the SCR system, at the same time reduce the ammonia escape rate of the denitration outlet, and ensure the safety, continuity and economical stable operation of the unit equipment.

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