Silicon carbon alloy ball

Silicon carbon alloy balls are used in deoxidation and alloying. They can also be used as deoxidizers to generate low melting point SiO2 and CO gas after being added to molten steel. In the process of CO floating, it plays the role of stirring molten steel, which is conducive to the diffusion of deoxidation products and the floating of slag inclusions, making it The reaction is more thorough, and the deoxidation effect is better than that of ferrosilicon.

Silicon carbon alloy balls are used as deoxidizers for out-of-furnace refining. Both refining furnace deoxidation and electric furnace reduction deoxidation belong to diffusion deoxidation. According to the distribution law: at a certain temperature, the solubility of oxygen in slag and molten steel is balanced, and FeO is in The mass fraction ratio of slag to molten steel is a constant. When added to the surface of the slag layer, the FeO content in the slag decreases and the balance is destroyed. In order to maintain the distribution constant at this temperature, the oxygen in the steel must diffuse into the slag, thereby reducing the oxygen content in the steel and reaching the molten steel. purpose of deoxygenation. Silicon-carbon alloy balls can be used as a temperature-raising agent for steelmaking. In the process of steel-making, when the carbon temperature is not coordinated, the temperature of molten steel can be increased by adding silicon-carbon alloy balls instead of ferro silicon as a temperature-raising agent. It has a greater advantage than ferro silicon, and at the same time is very beneficial to removing P, especially the phenomenon of returning to P is reduced. During induction furnace smelting, silicon-carbon alloy balls can be added to reduce the low-melting-point compounds brought in by scrap steel that is particularly rusted to obtain pure molten steel, saving the original materials such as aluminum and ferro silicon.