Chemical raw material production device based on heavy calcium carbonate powder filling

The utility model relates to the technical field of chemical raw material production equipment, and discloses a chemical raw material production device based on heavy calcium powder filling, the chemical raw material production device comprises a base, four supporting legs and two screening boxes, the four supporting legs are welded to the four corners of the bottom of the base, the two screening boxes are welded to the two sides of the top of the base, and feeding boxes are welded to the tops of the two screening boxes; a screening mechanism is arranged in the screening box, a protection mechanism is arranged on one side of the screening box, the screening mechanism comprises a driving motor fixedly connected with the top of the base, the output end of the driving motor is fixedly connected with a rotating column, a half gear is welded to the outer surface of the rotating column and meshed with a gear plate, and connecting plates are welded to the two sides of the gear plate. According to the chemical raw ma