Circulating mixed extraction device

The utility model discloses a circulating mixed extraction device, including rotating disc column, filler component, material mixing mechanism, filler component arranges inside the rotating disc column that it is that first filler, second pack, the third packs, the fourth packs that the inside from the top down interval arrangement of this filler component has four groups to pack, the first mixed zone of domain formation between first filler and second pack, the second domain formation convection current district between packing with the third of packing, the third pack and the fourth filler between domain formation second mixed zone, material mixing mechanism includes two groups, and each material mixing mechanism of group includes the compounding pump mixing tube inside with connecting compounding pump and rotating disc column, first material mixing mechanism and first mixed zone intercommunication, a second material mixing mechanism and second mixed zone intercommunication, first filler top intercommunicat