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Functions of tundish nozzles

Date: Dec 28th, 2022

Tundish nozzle is used for steel smelting and pouring in the tundish. When it is used, it needs to withstand high temperature and be resistant to molten iron corrosion, so as to reduce damage to the tundish nozzle. There are many types and materials of tundish nozzle, and the common material of tundish nozzle is oxidation knot. This is because oxidizer has good high temperature resistance and corrosion resistance, which can fully block the impact of molten iron.

Functions of tundish nozzle and its requirements for refractory materials:

(1) Tundish is mainly a container for receiving, storing and redistributing ladle water. Tundish metallurgy technologies such as adjusting temperature, adjusting trace alloying elements and improving inclusions are gradually developed.

(2) Refractory materials are required to have low refractoriness, but they are required to be resistant to corrosion of molten steel slag and molten slag, have good thermal shock resistance, have small thermal conductivity, good thermal insulation performance, have no pollution to molten steel, and be easy to lay and dismantle.