Reaction kettle suitable for phosgene raw material medicine

The reaction kettle comprises a reaction kettle body, a motor shell is fixedly connected to the surface of the top of the reaction kettle body, a rotating motor is fixedly arranged in the motor shell, the output end of the rotating motor is fixedly connected with a rotating shaft, and the rotating shaft penetrates through the cavity wall of the top of the reaction kettle body; a propeller is fixedly connected to the surface of the rotating shaft, stirring rods are fixedly connected to the surface of the rotating shaft at equal intervals, a supporting frame is fixedly connected to the lower end of the rotating shaft, an arc-shaped scraping plate is fixedly connected to one end of the supporting frame, an annular pipe is fixedly installed in the reaction kettle body, and air outlets are fixedly connected to the upper surface of the annular pipe at equal intervals; according to the reaction kettle, through the arrangement of the annular pipe, the arc-shaped scraping plate, the stirring rod and the propeller, the