Grinding disc and stirring mill with same

The invention discloses a grinding disc and a stirring mill with the grinding disc, and relates to the technical field of vertical mills.The grinding disc comprises an outer-layer grinding disc body, a middle-layer grinding disc body, an inner-layer grinding disc body and a supporting frame, and the outer-layer grinding disc body, the middle-layer grinding disc body and the inner-layer grinding disc body are sequentially arranged from outside to inside; and the outer-layer millstone, the middle-layer millstone and the inner-layer millstone are all arranged above the supporting frame. The invention further discloses a stirring mill with the grinding disc. The stirring mill comprises a cylinder body, a driving motor, a roller and a roller support. By arranging the outer-layer millstone, the middle-layer millstone and the inner-layer millstone, the outer-layer millstone, the middle-layer millstone and the inner-layer millstone form a grinding disc structure, materials sequentially pass through the inner-layer mi