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Fuction Of Long Nozzle And Submerged Nozzle

The three major pieces of continuous casting are long nozzle, stopper, and submerged  nozzle.

The long nozzle is located between ladle lower nozzle and tundish, and it is  mainly used  to prevent molten steel from splashing and being oxidized during the process of flowing molten steel from ladle into tundish. The stopper is placed in tundish to control the flow of molten steel from tundish to the mould.

The submerged nozzle is located between tundish and the mould . It is used to protect molten steel from the tundish into mould , avoid being reoxidized, and evenly distribute the molten steel into mould, controling molten steel speed .


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