Production equipment for graphene with less than three layers and ultrasonic stirring and feeding device

The utility model discloses less than three-layer graphene production equipment and an ultrasonic stirring and feeding device, which comprise a material pulp tank, a spiral conveyor, a material conveying pipe, an ultrasonic oscillator, a sprayer and a first valve, a stirring paddle is arranged in the material pulp tank, and a discharge port of the stirring paddle is communicated with a feed port of the spiral conveyor through a feed pipe; the first valve is mounted on the material conveying pipe; one end of the material conveying pipe is connected with a material outlet of the spiral conveyor, and the other end of the material conveying pipe is connected with the sprayer; a feeding port of the ultrasonic oscillator is connected with a first pipeline, a second valve is arranged on the first pipeline, the other end of the first pipeline is connected with the material conveying pipe, and the joint of the first pipeline and the material conveying pipe is located between the spiral conveyor and the first valve; a