Flushing device for VOCs tail gas treatment device

The invention relates to a flushing device for a VOCs (volatile organic compounds) tail gas treatment device, which belongs to the technical field of tail gas treatment equipment and comprises an exhaust pipeline with strip-shaped holes formed in the front and rear side walls, folded plates are mounted on the strip-shaped holes, the outer ends of the folded plates are connected with the side walls of the exhaust pipeline, the two folded plates are connected through a moving plate, and two guide rails are arranged at the upper end of the exhaust pipeline. A moving trolley is arranged between the two guide rails, wheels at the lower end of the moving trolley are located on the guide rails, connecting pipes are connected between the moving trolley and the moving plate, the two connecting pipes extend into the exhaust pipeline, a square pipe is connected between the two connecting pipes, and a plurality of nozzles are arranged on the square pipe. The movable trolley reciprocates along the guide rail to drive the