Removal system for silicate outer lining of artificial diamond synthetic core column

The utility model belongs to the technical field of artificial diamond production, and particularly relates to a system for removing a silicate outer lining of an artificial diamond synthetic core column, which comprises a roller ore washer, a linear screening machine, a spiral classifier and a circulating water device which are sequentially connected from right to left, the roller ore washer comprises an ore grinding section and an ore washing section; the circulating water device comprises a water collecting tank, a sedimentation tank, a clean water tank and a plate-and-frame filter press; and the linear screening machine is positioned above the water collecting tank. By adopting the process and the equipment disclosed by the utility model to purify the artificial diamond, the purification of silicide can be completed, the pure artificial diamond is obtained, in addition, the process is a physical purification process, the use of high-temperature sodium hydroxide is avoided, and the intrinsic safety of the