摘要 |
There is disclosed an interchangeable refractory wearing part having a flow aperture for molten metal for a metallurgical vessel or a bottom gate therefor, such as a bottom brick, a nozzle brick, a collector nozzle, a fixed plate, a sliding plate or an immersion nozzle or a choke, made of refractory concrete reinforced with metal parts which are disposed on the surface of the part remote from the flow aperture and are adapted to center and position the part in the gate or in the vessel. |