Ammonia spraying device for C5 cyclone of rotary kiln

The utility model provides an ammonia spraying device for a C5 cyclone cylinder of a rotary kiln, which comprises a spray gun arranged along the circumference of the upper end of a cone-shaped body at the lower part of the C5 cyclone cylinder, and the spray gun is welded with the cylinder wall of the C5 cyclone cylinder; one end of the spray gun extends into the conical body, the spray gun comprises a spray pipe body internally provided with a hollow cavity, the head of the spray pipe body is provided with a nozzle communicated with the hollow cavity, and a nozzle opening of the nozzle is in a sector ring shape; the plane of the sector ring is parallel to the cross section of the C5 cyclone; an ammonia water inlet and a compressed air inlet which are connected with the hollow cavity are respectively formed in the tail part of the spray pipe body; an outer sleeve concentric with the spray pipe body is detachably arranged outside the spray pipe body; a cooling channel is formed between the inner wall of the out