FIELD: metallurgy. SUBSTANCE: tuyere device has inclined part connected with elbow, nozzle, tuyere and ball connection for connecting with furnace wall. Inclined part has conical tube, whose upper part is provided with flanges for connection with upper connecting portion 34 made integral with elbow. Tuyere device is further provided with sylphon-type compensator and tension rods providing for mechanical connection between conical tube and lower connecting portion. Conical tube and lower connecting portion are movable one with respect to the other in axial direction and are provided with members for limiting their motion in radial directions. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 9 dwg
