Spray cooling equipment in tube mill

The utility model relates to the technical field of tube mills, and discloses spray cooling equipment in a tube mill, which comprises cooling equipment, and the cooling equipment comprises a tube mill body, an external water tank, a mounting bracket, a pump machine, a depth detector, a spray head, an electromagnetic valve, a control switch, a temperature sensor, a recovery tube and an airtight valve, the depth detector is mounted at the top of the external water tank; the electromagnetic valve is mounted on the outer wall of the spray head; the control switch is mounted on the side surface of the external water tank; the temperature sensor is mounted on the inner wall of the tube mill body; according to the spray cooling equipment in the tube mill, when the temperature in the tube mill rises, the temperature sensor feeds back information to the control switch, the electromagnetic valve is started to spray clear water in the external water tank into the tube mill body, the temperature of the inner cavity of th