Fecha de publicación: 08/09/2017 Fuente: WIPO "circular economy" The utility model discloses a building rubbish resource spiral autogenous grinding purification and separation device mainly includes purification and separation organism (1), reducing gear box (2), motor (3), screw conveyor shaft (4), frame A (5) and frame B (6), supporting seat A (7) and supporting seat B (8), washed -out sand basin (9), the defeated material belt (12) that floats water tank (10), ejection of compact shuttle groove (11) and driven by band conveyer. Have high efficiency, energy -conservation, environmental protection, the stable just lower characteristics of cost of separation product quality.