Novel valve dust prevention device for coal chemical industry

The utility model provides a novel valve dust prevention device for the coal chemical industry. The novel valve dust prevention device for the coal chemical industry is composed of a valve body, valve seats, a ball rod, a turbine support, a spherical cylinder, fixing boards and a heating device. The turbine support is arranged at the upper portion outside the valve body. The heating device is installed at the upper portion of the turbine support. The top end and the bottom end of the middle in the valve body are respectively provided with one valve seat. Each fixing board is arranged between the corresponding valve seat and the valve body. The spherical cylinder is arranged in the middle of the valve body. The bottom end of the ball rod is connected with the top of the spherical cylinder. The top end of the ball rod is connected with the heating device. The top ends of the portions, making contact with the interior of the valve body, of the two ends of each valve seat are arc. Media entering and exiting out o