Multi-stage grinding vanadium-nitrogen alloy grinding machine

The invention discloses a multi-stage grinding vanadium-nitrogen alloy grinding machine, and particularly relates to the field of vanadium-nitrogen alloy grinding, the multi-stage grinding vanadium-nitrogen alloy grinding machine comprises a grinding machine box, and an equipment cavity and a grinding cavity which are arranged in the grinding machine box, the top of the grinding machine box is provided with a feeding hopper, and the middle of one side of the grinding machine box is provided with an adding hopper; two coarse crushing rollers are arranged at the top of an inner cavity of the grinding cavity, two fine crushing rollers are arranged at the bottoms of the coarse crushing rollers, and grinding fixing seats are arranged at the bottoms of the fine crushing rollers. Firstly, vanadium-nitrogen alloy solids are crushed through the coarse crushing roller and further crushed through the fine crushing roller, then grinding is conducted through cooperation of the grinding fixing base and the grinding stone,