Abstract
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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