Production device of medium element fertilizer

The utility model relates to the technical field of fertilizer production devices, and discloses a medium element fertilizer production device which comprises a fermentation box, a stirring box is fixedly arranged at the upper end of the fermentation box, a material guide pipe is fixedly connected between the stirring box and the fermentation box, and a first motor is fixedly arranged in the middle of the upper end of the stirring box. A rotating rod is fixedly connected to the output end of the first motor, a plurality of stirring rods are fixedly arranged on the two sides of the rotating rod, a scraping plate is fixedly connected to the ends, away from the rotating rod, of the multiple stirring rods, a feeding opening is fixedly formed in one side of the upper end of the stirring box, and two smashing rollers are rotationally arranged in the feeding opening; and gears are fixedly connected to the front ends of the two crushing rollers, and a second motor is fixedly arranged on one side of the front end of t