Speed-adjustable stirrer for synthesizing tribromoneopentyl alcohol

The speed-adjustable stirrer comprises a mounting base, the upper end of the mounting base penetrates through a rotating pipe rotationally connected with the mounting base, a rotating rod is inserted into the inner side of the rotating pipe, a motor is mounted at the upper end of the mounting base, a first gear is fixedly sleeved on an output shaft of the motor, and a second gear is fixedly sleeved on the output shaft of the motor. The side wall of the rotating pipe is fixedly sleeved with a second gear, the second gear is meshed with the first gear, the upper end of the mounting base is fixedly connected with a fixing frame, the inner top wall of the fixing frame is provided with a moving mechanism connected with the rotating rod, the moving mechanism is connected with an output shaft of the motor, and the rotating rod is provided with a bromine dropwise adding mechanism. The stirring blades can be driven to move up and down while the stirring blades are used for stirring, so that stirring at different level