TIP OF OXYGEN-CONVERTER LANCE Russian patent published in 1998 - IPC

FIELD: ferrous metallurgy, in particular, designs of devices for blowing of liquid melt with oxygen in converter. SUBSTANCE: tip has upper plate, separator, blowing nozzles and lower copper plate provided with adapting steel ring with supporting unit on which separator of internal hollows for supply and discharge of cooling agent is freely mounted. Supporting unit is made in the form of projection on lower part of adopting ring. Projection is made with through passage channels communicating tip internal hollows with one another. Through passage channels may be made in projection body to form in plan a row of uniformly spaced over circumference alternating projections and depressions. EFFECT: simplified manufacture, higher stability, maintainability and reliability of lance. 2 cl, 3 dwg