Uniform mixing device for preparing high-water-solubility dimetridazole premix

The blending device comprises a mixing tank, a supporting cabinet and a control cabinet, an impeller is arranged at the bottom in the mixing tank, the center of the impeller is fixedly connected with a first rotating shaft, and the first rotating shaft penetrates through the bottom of the mixing tank and is in transmission connection with a servo motor; the servo motor is arranged in the supporting cabinet, a discharging port is formed in the side face of the conical bottom of the mixing tank, an electric telescopic rod is arranged at the top of the cover body, the bottom of the telescopic end of the electric telescopic rod downwards penetrates through the cover body and extends into the mixing tank, and the bottom of the telescopic end is horizontally sleeved with a baffle. A plurality of connecting rods are arranged on the baffle at intervals, a second rotating shaft is connected to the bottoms of the connecting rods, a plurality of sets of cutting blades are arranged on the second rotating shaft, and the e