Aluminum ash nitrogen removal and fluorine fixation reaction kettle

The utility model discloses a nitrogen removal and fluorine fixation reaction kettle for aluminum ash, which belongs to the technical field of aluminum ash processing and comprises a reaction kettle body, the reaction kettle body is provided with a feed port and a discharge port, a stirring device is mounted in the reaction kettle body, a plurality of baffle plates are arranged on the inner wall of the reaction kettle body, and the baffle plates are arranged on the inner wall of the reaction kettle body. The upper part of the inner wall of the reaction kettle body is also provided with an ultrasonic generator and a fluorine fixing agent filling port, the periphery of the middle lower part of the reaction kettle body is provided with at least one air injection port, the air injection port is respectively communicated with high-pressure steam and compressed air through a tee joint connected with a pipeline, the top of the reaction kettle body is also provided with an air outlet, and the air outlet is communicat