Casting powder adding device capable of preventing liquid level from fluctuating

The utility model relates to the technical field of casting powder adding devices, in particular to a casting powder adding device capable of preventing liquid level fluctuation, which is arranged on a crystallizer, a vibrating table is arranged between the casting powder adding device and the crystallizer, the casting powder adding device comprises a body, a plurality of material leaking holes are evenly distributed at the bottom of the body and communicated with the crystallizer, and the crystallizer is arranged in the body. The casting powder adding device comprises a body, a crystallizer is arranged on the body, a tundish nozzle used for guiding molten steel is communicated with the crystallizer, one end of the tundish nozzle is arranged in the crystallizer, and the other end of the tundish nozzle penetrates through the body and extends to a tundish towards the outside of the body. The functions of buffering external force during slag adding and filtering large-particle covering slag can be achieved, micr