LANCE NOZZLE, METHOD FOR MANUFACTURING LANCE NOZZLE AND APPARATUS FOR MANUFACTURING LANCE NOZZLE

摘要

Provided is a method and an apparatus for manufacturing a lance nozzle comprising: a casting step for primarily manufacturing the lance nozzle comprising a plurality of discharge pipes, which discharge a gas supplied through an inlet to an outlet, and a front wall with a plurality of discharge holes, each of which is connected to the outlet of the discharge pipe; and a forging step for forming forging structure by forging a circumference of the discharge holes in a front surface of the front wall positioned on an opposite side to the discharge pipes.