Precalcined needle coke screening device

The coke screening device comprises a screening shell, a feeding plate is spirally connected to the top of the screening shell, a feeding port is formed in the middle of the feeding plate, a base is arranged at the bottom of the screening shell, and an inspection cover plate is connected to the outer wall of the middle of the screening shell through a hinge. A rotating motor is fixedly connected to the base through bolts and fixedly connected with the bottom of a rotating table through a coupler, a buffering table is arranged on the top of the rotating table, grooves are formed in the edge of the rotating table at equal intervals, a plurality of screening nets are inserted into the grooves in a penetrating mode, and the upper ends of the screening nets are inserted into an upper rotating disc in a penetrating mode. A protruding block extending outwards is arranged at the upper end of the screening net. According to the pre-calcined needle coke screening device, needle coke is screened through the closed scree