| abstract |
The utility model discloses a kind of SCR denitration device being applied to cement clinker production line kiln tail high-dust flue gas, comprise and move towards along flue gas the cement kiln dore furnace, preheater, waste heat boiler, raw mill, electric cleaner and the kiln tail chimney that connect successively; Also comprise SCR reactor, SCR reactor comprises: reactor shell, and top is with entrance divergent segment, and bottom is with ash bucket; SCR reactor inlet flue, connects preheater and entrance divergent segment, and arranges reducing agent injector; Some catalyst layers, are from top to bottom successively set in reactor shell; Some steam sootblowers, are arranged at the top of corresponding catalyst layer with catalyst layer one_to_one corresponding; SCR reactor outlet flue, the upstream flue of coupled reaction device housing bottom and waste heat boiler or downstream flue, and set up high-temperature blower.The utility model is not arranging on the basis of hot precipitator, can tackle the smoke transportation of high NOx load fluctuation, temperature fluctuation, high dust. |