Dynamic monitoring device and dynamic monitoring method for SCR flue gas denitrification system

• Main Authors: LUO SHENG, LUO ZHENG, LIANG JIANYI, YU ZHENG, FENG SHAOSHAN, MA XIAOQIAN, ZHANG QINGPING, RUAN BIN, WANG TIAN'EN, HONG CHANGSHAO, HUANG JUN, GUAN YINGYUAN
• Format: Patent
• Language: Chinese; English
• Published: 31.03.2020
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The invention discloses a dynamic monitoring device and a dynamic monitoring method for an SCR flue gas denitrification system. The dynamic monitoring device comprises a NOx gas sensor which is used for collecting NOx concentration information at the tail end of the SCR flue gas denitrification system; and a monitoring host which is used for acquiring a control signal by combining the NOx concentration information and a preset double-support vector machine model after receiving the NOx concentration information, and controlling the inlet flow of the SCR flue gas denitrification system and theopening degree of a secondary air inlet of a hearth according to the control signal. According to the invention, the effect of removing NOx gas by SCR is monitored in real time; the SCR inlet flow andthe secondary air are adjusted according to the removal effect, so that the SCR denitration system always operates under the optimal condition, nitrogen oxide denitration is more thorough, the flue gas denitration quality is