The invention discloses a reaction kettle. The reaction kettle is characterized in that a kettle body is fixedly connected with a kettle cover through a bolt, and the kettle cover is provided with a feeding hole; the bottom of the kettle body is cone-shaped, and the cone surface which is close to the bottom is provided a discharge hole, the kettle body is internally provided with a stirring shaft which is sleeved with a stirring frame, the top of the kettle cover is provided with a support, and the top surface of the support is fixedly connected with a first supporting frame; the side surface of the support is fixedly connected with a second supporting frame, the first supporting frame and the second supporting frame are provided with a first motor and a second motor, respectively, the top of the stirring shaft is connected with an output shaft of the first motor, the bottom of the stirring shaft is embedded into a shaft sleeve, and the stirring frame is connected with the second motor through a gear; the stirring shaft is sleeved with multiple stirring paddles, and a certain angle is formed between the stirring paddles and a horizontal surface. The reaction kettle provided by the invention has the advantages that the stirring shaft and the stirring frame are driven by different motors to respectively obtain a suitable revolving speed, a condition that excessive wear of the inner wall of the kettle body is avoided under the condition that a reaction rate is guaranteed is realized, and the service life of the reaction kettle is prolonged.