Introduction of the DeNO_x Project in Huaneng Yuhuan Power Plant

摘要

The Selective Catalytic Reduction (SCR) system for flue gas denitration applied in Yuhuan Power Plant with 4×1 000 MW units is introduced in this paper. The technology system structure, process features, basic design data and equipment layout of the SCR flue gas denitration system of original units in the plant are briefly introduced and the retrofi t method of equipments is described, which provide valuable experience for flue gas denitrification retrofit of large-size coal-fired boilers in China.