Tail gas denitration system for rotary kiln

The utility model discloses a tail gas denitration system for a rotary kiln, and relates to the technical field of tail gas treatment. The front side of the box body is provided with a connecting flange, the rear side of the box body is provided with an access door, the top of the box body is fixedly connected with a barrel body, the side wall of the upper part of the barrel body is provided with a smoke exhaust pipe, the box body below the smoke exhaust pipe is also provided with an air inlet pipe, and the barrel body is provided with a flow guide mechanism and an air supply mechanism; a spraying mechanism is further arranged on the box body and the barrel body, the spraying mechanism comprises a denitration agent storage tank, a power box and four double-fluid nozzles, the denitration agent storage tank is fixedly connected to the side wall of one side of the box body, the power box is fixedly connected to the top of the denitration agent storage tank, and the number of the double-fluid nozzles is four. By