The flue gas desulfurization and denitrification project of Tongling Taifu Special Materials Co., Ltd. adopts the process route of "medium and low temperature SCR denitrification+waste heat recovery+CFB desulfurization+bag dust removal+induced draft fan". The designed flue gas conditions are a flue gas volume of 350000 Nm3/h, a temperature of 180-250 degrees Celsius, nitrogen oxides of 800 mg/Nm3, sulfur dioxide of 150 mg/Nm3, dry quenching flue gas of 65000 Nm3/h, and sulfur dioxide of 800-1300 mg/Nm3. The emission standards for nitrogen oxides are less than 150mg/Nm3, sulfur dioxide is less than 30mg/Nm3, and particulate matter is less than 10mg/Nm3.