| 摘要 |
The invention relates to a lance head (10) for an oxygen lance, wherein the lance head is formed from a base body (11) comprising an oxygen pipe (12) and a cooling water pipe arrangement (13) arranged concentrically with respect to the oxygen pipe, wherein the oxygen pipe and the cooling water pipe arrangement are each connected to a base body by means of a bonded connection, wherein the base body comprises an inflow side (26) and a front side (23), wherein in the base body at least one nozzle channel (24) is provided, which extends between the inflow side and the front side and forms an oxygen nozzle, wherein within the base body a cooling water inflow channel (27) and a cooling water return channel (28) meet in a distribution chamber (31), wherein a bypass (39) is configured between the cooling water inflow channel and the cooling water return flow channel in the base body. |
