| 摘要 |
The invention relates to a refractory ceramic nozzle for metallurgical applications. The term "nozzle" includes a submerged entry nozzle (also called SEN or casting nozzle) as used in a continuous casting process for producing steel. Prior art and the invention will be described hereinafter with respect to such a SEN but without limiting the scope of the invention. The invention relates to a refractory ceramic nozzle for metallurgical applications. The term "nozzle" includes a submerged entry nozzle (also called SEN or casting nozzle) as used in a continuous casting process for producing steel. Prior art and the invention will be described hereinafter with respect to such a SEN but without limiting the scope of the invention. The invention relates to a method for operating a combined cycle power plant (1), additional burners (15, 16) being arranged in the waste heat boiler (11), said burners (15, 16) being supplied with secondary air from the gas turbine (3). |
