Dolomite raw material is fed via a belt conveyor to an elevator, then fed via a rotary air-lock feeder into the LM vertical roller mill for grinding. The ground material is lifted by the high-speed airflow from the air ring and enters the powder classifier for classification. Finished powder that meets the required fineness exits the mill along with the airflow and enters a dust collector for separation and collection. Finally, it is transported via a screw conveyor and elevator to a finished product silo for storage.