公开(公告)号：US3681229A

公开(公告)日：1972-08-01

申请号：US3681229D

申请日：1970-07-17

Applicant: ALUMINUM CO OF AMERICA

Inventor： LOWE RICHARD L

IPC: C25C3/14 ,  C22D3/02 ,  C22D3/12

CPC classification number: C25C3/14 ,  Y02P10/262

Abstract: APPARATUS FOR FEEDING ALUMINA TO AN ALUMINUMPRODUCING ELECTROLYTIC CELL INCLUDING A FLUIDIZATION TYPE CONVEYOR COMMUNICATING WITH A SUPPLY OF ALUMINA AND HAVING FEED ORIFICES IN ITS SIDE WALL FOR FEEDING ALUMINA INTO THE ELECTROLYTIC CELL ADJACENT VERTICALLY RECIPROCAL PLUNGERS WHICH BREAK THE CRUST ON THE SURFACE OF THE CELL. THE FLUIDIZATION CONVEYOR HAS A POROUS HOSE IN IT FOR INTRODUCING AIR INTO THE ALUMINA TO FLUIDIZE THE ALUMINA SO THAT IT WILL FLOW THROUGH THE CONVEYOR. MEETING APPARATUS WITH FLUIDIZING VALVES THEREIN IS ALSO PROVIDED BETWEEN THE ALUMINA SUPPLY AND THE CONVEYOR FOR SUPPLYING MEASURED QUANTITIES OF ALUMINA INTO THE CONVEYOR FOR FEEDING THE CELL.