Patent ID: 8906290

Claim:
A method for mounting and removing a refractory purge plug or a refractory sleeve forming an outlet opening in or from a nozzle brick which is inserted into an opening of a container for molten metal and has a nozzle brick opening, the method comprising: introducing a new purge plug or a new sleeve into the nozzle brick opening and positioning and fixing the new purge plug or the new sleeve in the nozzle brick opening, and thereafter, filling a gap between the nozzle brick opening and the purge plug or the sleeve with a refractory mass, wherein the positioning of the new purge plug or the new sleeve in the nozzle brick opening is supported by laser measurement and/or optical methods, in order to remove a worn purge plug or a worn sleeve, the refractory mass being removed from the gap such that the purge plug or the sleeve detached in this way is replaceable.