Active superfine calcium carbonate surface treatment device

The utility model discloses an active superfine calcium carbonate surface treatment device, which belongs to the technical field of superfine calcium carbonate treatment equipment, and comprises a pretreatment barrel, the upper surface of the pretreatment barrel is fixedly connected with a first servo motor, one end of the first servo motor is fixedly connected with a first rotating shaft, and the other end of the first rotating shaft is fixedly connected with a second rotating shaft. A first stirring rod is fixedly connected to the outer surface of a first rotating shaft, materials are guided into a feeding hopper, a feeding filter screen is arranged in the feeding hopper, filtering can be conducted once before surface treatment, the materials are finer, then emulsion enters a pretreatment barrel through an emulsion inlet, two servo motors are started, the two rotating shafts are driven to rotate, and the materials are stirred and mixed uniformly. Therefore, the first stirring rod firstly performs primary tr