Paint stirring reaction kettle

The utility model discloses a paint stirring reaction kettle. The reaction kettle comprises a reaction kettle body, wherein the reaction kettle body comprises a barrel-shaped main body, a top cover and a bottom cover; the top cover is arranged at the upper part of the barrel-shaped main body and the bottom cover is arranged at the lower part of the barrel-shaped main body; a jacket is arranged outside the barrel-shaped main body and the bottom cover; a plurality of electrical heating rods are arranged inside the jacket; an inlet and an outlet are formed in the upper part of the jacket; a discharge outlet is formed in the bottom of the jacket; a plurality of U-shaped pipes are arranged at the lower part of an inner cavity of the barrel-shaped main body; the two ends of the U-shaped pipes penetrate through the barrel wall of the barrel-shaped main body and enter an inner cavity of the jacket; and inner cavities of the U-shaped pipes are communicated with the inner cavity of the jacket. The paint stirring reacti