High-capacity composite rotary mixer

The utility model discloses a high-capacity composite rotary mixer which comprises supports, a base, a first motor and a mixing drum, the base is arranged between the bottoms of the inner sides of the two supports, a supporting table is arranged on the outer side of one of the supports, the first motor is arranged on the supporting table, the mixing drum is arranged between the two supports, and the first motor is arranged on the mixing drum. A mixing drum support is arranged outside the mixing drum, a rotating shaft is arranged outside the mixing drum support, and the rotating shaft is connected with a rotating shaft of a first motor through a coupler; a feeding cylinder is arranged on the upper portion of the stirring cylinder, a discharging cylinder is arranged on the lower portion of the stirring cylinder, a second rotating mechanism is arranged below the discharging cylinder, and a lower sealing assembly is arranged at the bottom end of the discharging cylinder. The stirring device can fully mix and stir