Alkali liquor spraying device

The utility model provides an alkali liquor spraying device which comprises a tower drum and a dosing tank, a filler layer is arranged in the tower drum, a spraying pipe is arranged at the upper end of the filler layer and communicated with the dosing tank through a pipeline, a smoke inlet pipe is inserted into the lower portion of the side wall of the tower drum, the top of the tower drum is communicated with a smoke exhaust pipe, and the smoke inlet pipe is vertically arranged downwards at a smoke inlet in the tower drum; a plurality of layers of shunting rings are arranged between the smoke inlet pipe and the adjacent packing layer at the upper end, each shunting ring is a conical ring with a downward small-diameter end, the inner diameter of each layer of shunting ring from top to bottom is smaller than the outer diameter of the shunting ring at the lower layer, the outer diameter of the shunting ring at the uppermost layer is the same as the inner diameter of the tower drum, and a spherical crown plate p