Environment-friendly dust treatment device

The dust treatment device comprises a shell, a first filter plate and a second filter plate are inserted in the positions, located on the left side and the right side of a center shaft, of the top of the shell respectively, a motor is fixedly connected to the position, located on the left side of the shell, of the center shaft, and the output end of the motor is fixedly connected with a brush rod; a buzzer is fixedly connected to the top of the left side of the shell, a PLC is fixedly connected to the left side of the top of the shell, and a dust concentration sensor is fixedly connected to the top of an inner cavity of the shell. Through cooperation of the shell, the first filter plate, the second filter plate, the motor, the brush rod, the buzzer, the PLC, the fan, a dust suction pipe, a dust discharge pipe, a dust concentration sensor, a hollow block, a bolt, a connecting plate, a connecting rod, a plug pin, a water tank, a water pumping pipe, a pump and a spray head, the problems that according to an exis