The main types of tundish are high temperature tundish, hot tundish and cold tundish.
According to the cast steel smelting method and whether it is necessary to bake and other conditions, the tundish is roughly divided into the following types.
Main types of intermediate packages are as below:
(1) High temperature tundish
The tundish is set up for a specific metallurgical process, and the lining is made of magnesia bricks, preheated to about 1500°C.
(2) Hot tundish
At present, a common tundish in steel mills uses fired bricks or unfired bricks or castables as the lining of the tundish. Before pouring, it should be preheated to 800～1100℃.
(3) Cold tundish
The insulation board is used as the lining, which can be used without preheating before pouring. As for the choice of which tundish type and which material is better for the lining, it depends on the cast steel, smelting method, baking conditions and the ability of the steel plant itself.

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