TUYERE FOR A METALLURGICAL FURNACE

The invention provides a tuyere that comprises a conical hollow tuyere body with an inner surface and an outer surface, the tuyere extending along a first axis from an inlet end to an opposite outlet end, the tuyere body having a tuyere tip at the outlet end and a conical connection surface at the inlet end. The conical connection surface is configured for engaging a conical seat of a tuyere holder or tuyere cooler. Advantageously, the tuyere further comprises a corrugated portion on the outer surface of the tuyere. The corrugated portion comprises at least one recess having an open curved profile and a surface enclosing the at least of recess. The corrugated portion is arranged and configured for, during operation of the metallurgical furnace, supporting burden material and forming a scaffold of the burden material.