Pressurizing device for low-density aluminum fluoride production

The utility model discloses a pressurizing device for low-density aluminum fluoride production in the technical field of aluminum fluoride production, which comprises a kettle body, a stirring assembly is arranged in the kettle body, a heating assembly is arranged on the outer surface of the kettle body, a pressure relief pipe is communicated with the right side of the top wall of the kettle body,and a pressure plate is connected to the inner wall of the pressure relief pipe in a sliding manner; a connecting rod is fixed to the top end of the pressure plate, a sealing cover is fixed to the top end of the connecting rod, a guide rod is fixed to the top end of the sealing cover, and a switch is arranged at the top end of the guide rod; the pressure relief pipe, the spring, the cover body and the like are additionally arranged, the pressure pump is started, when the pressure in the kettle body is too large, the pressure plate is pushed to move upwards, then the cover body and the guide rod are driven to move upw