Lithium carbonate airflow crushing device

The utility model relates to the field of lithium carbonate preparation, in particular to a lithium carbonate airflow crushing device which comprises a crushing tank, a lifting pipe is fixed in the crushing tank, a motor is further fixed to the crushing tank, the output end of the motor is fixed to a rotating shaft in the crushing tank, and spiral blades are fixed to the rotating shaft in the lifting pipe. A plurality of spray pipes are fixed in a space between the lifting pipe and the inner wall of the crushing tank, a plurality of spray heads are fixed at the upper ends of the spray pipes, an air inlet pipe is further fixed on the crushing tank, the spray pipes are connected with the air inlet pipe, a high-pressure air pump is further fixed at the tail end of the air inlet pipe, and a slag discharge pipe with a valve is further fixed at the bottom of the crushing tank. And a feeding pipe is also fixed on the crushing tank. By means of the device, the lithium carbonate raw materials can be cut and smashed mu