Kiln tail feeding device in cement production

The invention discloses a kiln tail feeding device in cement production. The kiln tail feeding device comprises a shell, a valve plate rotationally connected into the shell, a material guide plate arranged on the shell, a feeding tongue arranged on the shell and a driving part used for driving the valve plate to rotate, wherein a baffle block is arranged on one side inside the shell, an installing groove formed in one end of the valve plate, one end of the valve plate is slidably connected to a valve block, the valve block clings to the surface of the valve plate, a T-shaped plate is arranged on the valve block, the T-shaped plate is inserted into the installing groove, a plurality of electric telescopic rods are fixed in the installing groove, the movable ends of the electric telescopic rods are connected to the T-shaped plate, a sealing strip is arranged at one end of the valve block, the sealing strip is tightly attached to the side wall of the shell, a pre-pressing plate is installed on the upper surface