... combustion air or fuel is preheated to about 1,000 °C, and the thermal enthalpy thereof is increased, thereby realizing stable ... valve and the fume exhaust system at a temperature between 100 °C and 150 °C after heating the heat-accumulating body. When the ... of the steel ladle. Performance Index:Baking Temperature: ≥1,100 °C; Baking Time: Online baking about 10 minutes, transfer ladle about ...