The aerated concrete ball mill is a horizontal cylindrical rotating device, driven by outer edge gears, with two compartments and a grate type energy-saving ball mill. The materials are evenly fed into the first chamber of the mill through the feeding device and the hollow shaft spiral. This chamber is equipped with step liners or corrugated liners and contains steel balls of different specifications. As the cylinder rotates, the centrifugal force lifts the steel balls to a certain height and then they fall, exerting impact and grinding effects on the materials. After the materials are roughly ground in the first bin, they pass through a single-layer partition plate into the second bin, which is lined with flat plates and contains steel balls to further grind the materials. The powder is discharged through the discharge grate, completing the grinding operation.