The invention provides a flange type inlet pollutant solid remover spraying device. The flange type inlet pollutant solid remover spraying device comprises a remover inlet, a remover spray gun, a remover outlet, a remover guide plate and remover uniform-spacing plates, wherein the remover inlet and the remover outlet are formed in the remover spray gun; the remover spray gun is provided with a plurality of spray tubes; the remover guide plate is welded on the spray gun through a bracket, and is longitudinally arranged along the spray gun, and the cross section of the remover guide plate is Omega-shaped; moreover, the flat wing surface extended from the remover guide plate can increase the area of the remover guide plate, so that the remover can completely cover each circulating surface ina flue, and therefore, the remover is guaranteed to uniformly spread, and concentration distribution is reasonable; the remover uniform-spacing plates are arranged below an inlet bent tube, and a remover flowing in through the bent tube is uniformly distributed into each spray tube, so that pollutants in the smoke gas are guaranteed to be sufficiently in contact with the remover, and therefore, removal of the pollutants is guaranteed to reach the ideal degree. Besides, the pollutant solid remover spraying device has the advantages of being easy in replacing and convenient in maintaining and repairing.