METHOD AND DEVICE FOR HARD-GRAINED MATERIAL DISCHARGE FROM HOPPER, SILO AND SIMILAR CONTAINER Russian patent published in 2004 - IPC

FIELD: storage, transportation and discharge equipment for easy-caking and bridging bulk materials. SUBSTANCE: method involves discharging hard-grained material through slot-like orifice formed by container cylindrical body and container bottom, which extends beyond container body and regulating material flow by vertical moving of ring seal located outside container body. Rotating disc for material discharging from container is arranged under container bottom. Disc has blades bending around container bottom and entering through slot-like orifice into container. Disc rotates for material loosening by blades and material removing from container lower part. Ring seal side openings are closed by doors, which are opened in case of material bridging for loosening thereof. Container bottom has cuts made under doors. Number of cuts is equal to number of doors. EFFECT: decreased power consumption; possibility of controllable material discharge directly in vehicle location. 7 cl, 3 dwg