Application Effect of Calcium Aluminate Steelmaking Slagging Agent

The metallurgical industry is a pillar industry in the national economy, and the technical level of the metallurgical industry is one of the overall indicators of the technical level of a country’s basic industry. With the continuous advancement of industrial technology, the smelting technology of out-of-furnace refining and high-quality low-sulfur steel in the iron and steel industry is also developing rapidly. In the process of refining outside the furnace, the slagging technology has changed from calcium-fluorine slag (CaO-CaF2) to calcium-aluminum slag (CaO-AI2O3), and high-alkaline calcium-aluminum slag has a good desulfurization effect, which in turn creates a clean steel More favorable conditions.

In the steelmaking process, because aluminate clinker has the characteristics of low flame point, low viscosity of the formed slag, good fluidity, strong desulfurization ability, low corrosion to the furnace lining and no pollution to the environment, it is therefore used in steelmaking or furnace In the process of external refining, it is considered to be a kind of environmentally friendly slagging agent with better effect, or one of the most promising slagging additives that can replace fluorite.

The desulfurization effect of aluminate clinker as a steelmaking slag-making agent. According to different steelmaking processes and conditions, choosing different aluminate clinker can reduce the oxygen content in steel to 0.002% and the sulfur content to 0.003% .

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