Treatment device for flue gas emission

The treatment device comprises an activated carbon filter box, a bottom plate, a bag type filter device and a spraying tower, a water tank is fixed to one end of the top of the bottom plate, a filterscreen is arranged in the water tank, the spraying tower is fixed to the top end of the water tank, and an air inlet pipe is fixed to the bottom end of one side of the spraying tower; fillers are evenly arranged in the spraying tower, spraying devices are arranged above the fillers, the interior of the water tank is connected with the spraying devices through a water guide pipe, and an exhaust port is formed in the top end of the other side of the bag type filtering device. The spray tower is installed, the gas inlet pipe is arranged at the bottom end of one side of the spray tower, the primary filter layers are arranged at one end of the interior of the gas inlet pipe, impurities with large particles in entering flue gas can be conveniently filtered in advance, meanwhile, spoilers are arranged in the gas inlet pi