LADLE device is special equipment for tundish temperature rising and it includes tundish preheater for tundish in cart, the nozzle heater for submerged nozzle installed in the bottom of tundish and the drier in maintenance area used for the heating of tundish after inside lining exchange. The company can provide the design and production service for packaged equipment, and satisfy the required heating condition for all sorts of tonnage tundish.