| 摘要 |
A valve control system for discharging solids comprised in a fluid, said valve control system comprising a conduit having an inlet for receiving said fluid comprising said solids, and having an outlet for discharging at least said solids, an elongated closing member positioned in said conduit, and moveable with respect to said conduit, in the longitudinal direction, between a first state in which said outlet is closed, and a second state in which said outlet is opened for discharging said solids, said elongated closing member comprising at least one arm extending radially outwardly with respect to said elongated closing member, and in sliding contact with an inner surface of said conduit, wherein at least a part of said elongated closing member comprises a ferromagnetic material, and a plurality of electric windings surrounding said conduit, wherein said electric windings are arranged for, when being actuated, inducing a magnetic field operating on said ferromagnetic material for moving said elongated closing member in said elongated direction. |
