Efficient aluminum ash separation system of rotary furnace

The utility model relates to the technical field of high-value utilization of aluminum ash, and provides an efficient aluminum ash separation system for a rotary furnace, which comprises a scraper, a pre-screening drum screen, a stock bin, a large ball mill, a first drum screen, a small ball mill, a second drum screen and a spiral ash removal machine, the scraper is connected with the pre-screening drum screen, the pre-screening drum screen is connected with the stock bin, and the spiral ash removal machine is connected with the large ball mill. The stock bin is connected to the large ball mill, the large ball mill is connected with the first rotary screen, the first rotary screen is connected with the small ball mill, and the small ball mill is connected with the second rotary screen; the pre-screening drum screen is used for screening for the first time, the large ball mill is used for fully separating aluminum ash for the first time, the first drum screen is used for screening for the second time, the smal