Lock for free-flowing bulk materials such as powders, granules, flakes or re-granulate, comprises three sleeve valves and two lock chambers, which are arranged perpendicularly in bulk-material stream

摘要

A lock comprises three sleeve valves (1,2,3) and two lock chambers (4,5), which are arranged perpendicularly in bulk-material stream. The sleeve valves are arranged mutually, and sleeve valves (1,2) include a geometrically defined intermediate piece. An upper lock chamber (4) is formed and a lower lock chamber is formed between the sleeve valve (2) and the sleeve valve (3) by a geometrically defined intermediate piece. The geometrically defined intermediate piece is laid between the sleeve valve (2) and the sleeve valve (3). The sleeve valves and the lock chambers are interconnected firmly. The lock comprises three sleeve valves and two lock chambers, which are arranged perpendicularly in bulk-material stream. The sleeve valves are arranged mutually. The sleeve valves include a geometrically defined intermediate piece. An upper lock chamber is formed and a lower lock chamber is formed between two sleeve valves by a geometrically defined intermediate piece. The geometrically defined intermediate piece is laid between the two sleeve valves. The sleeve valves and the lock chambers are interconnected firmly with each other in a gas-tight manner. The sleeve valves are applied electro-mechanically, hydraulically or pneumatically, where a control pressure is controlled by regulating and controlling elements.