Feed additive reaction kettle

The utility model provides a feed additive reaction kettle and relates to the technical field of feed additive production. The feed additive reaction kettle comprises a bottom plate and a kettle body, the kettle body is arranged at the top of the bottom plate, a rotating assembly is arranged between the kettle body and the bottom plate, the top of the kettle body is rotationally connected with a connecting disc, the top of the connecting disc is provided with a connecting pipe, and the outer side of the connecting pipe is sleeved with an input pipe. According to the feed additive reaction kettle, a reciprocating screw rod is connected with one connecting plate through a ball nut pair, and a circular water frame can reciprocate under the limiting action of a limiting rod, so that the inner wall of the kettle body can be uniformly flushed by a plurality of first spray heads and a plurality of second spray heads can be flushed by a stirring rod when the kettle body is in a rotating state; a plurality of third sp