Traction liquid material transportation tank car

The utility model discloses a traction liquid material transportation tank car which comprises a tank, two tires are connected to the right side of the bottom end of the tank in a rotating mode, an anti-overflow valve is fixedly connected to the left side of the top end of the tank and communicated with the tank, an air pipe is fixedly connected to the top end of the anti-overflow valve and communicated with the anti-overflow valve, and the air pipe is communicated with the anti-overflow valve. The bottom end of the left side of the outer wall of the air pipe is fixedly connected with a separator. According to the traction liquid material transportation tank car, through cooperation of the anti-overflow valve and the separator, liquid materials can be prevented from entering the air compressor to cause damage to the air compressor, the service life is prolonged, and through installation of the air pressure meter, whether the air compressor works normally or not can be judged according to indication of a point