Roller bacterium adding machine for producing and processing compound fertilizer

The utility model relates to the field of fertilizer production, and particularly discloses a roller bacterium adding machine for compound fertilizer production and processing, which comprises an outer auxiliary roller, an inner roller is arranged in the outer auxiliary roller, one end of the inner roller is provided with a first material distributing cylinder, and the other end of the inner roller is provided with a third material distributing cylinder. And a second material distributing barrel is installed between the third material distributing barrel and the first material distributing barrel, meshing rotating teeth are installed on the outer surface of the inner roller, turbulent flow protrusions are arranged on the inner side wall of the inner roller, and stirring material scraping plates are installed on the positions, located on the inner side wall of the inner roller, of the outer sides of the turbulent flow protrusions. The meshing rotating teeth and the inner meshing rotating gear ring are meshed a