Device e.g. beater mill or fan beater mill, has grinding disc in secondary refining that is configured to open conveying line for second grind with radial blades

摘要

The device has a ground-priming impeller (8) with that is provided with a hot carrier gas for drying and grinding a supplied material. The hot carrier gas from the ground-priming impeller is configured to flow at the input side with a conveying line (4) for conveying gas. A grinding disc (19) in secondary refining is configured to open a conveying line (21) for a second grind with radial blades (16). An annular disc portion (22) of the ground-priming impeller is configured to form the grinding wheel. An independent claim is included for a method for treating or grinding and drying of a first material.