Ball valve for pulverized coal jetting

The utility model relates to a ball valve for pulverized coal jetting, mainly composed of an upper valve rod, a spherical body, a lower valve rod, a sealing ring, a valve seat, a valve cover and a valve body. A material inlet is a shrinkage cavity shape, and an outlet end of a valve is horn-shaped. An output shaft of the driving mechanism is connected with the upper valve rod by a key, driving the spherical body to rotate to realize opening and closing. The section of the through hole of the spherical body is smaller, increasing flow rate of the material and reducing blocked material. A bottom end cover is fixedly connected with the valve body through screws. The sealing ring is arranged between the valve seat and the spherical body, forming a sealing pair with the spherical body. The upper valve rod is composed of a split circular ring, an upper end cover, holding screws, and an upper valve rod. The utility model is suitable for flowing and sealing of coal powder, dust fume and gases, and two solid medium in pipelines. The utility model has the advantages of portable opening and closing, automated operation and reliable sealing.