One Of High Level Materials Ferro Vanadium

A method for preparing ferro vanadium nitride, which includes the following steps: uniformly mixing vanadium-containing compounds, solid reductants, and reduction iron powder to form a shape; placing the resulting material into a reactor under a nitrogen protective atmosphere and reacting at a high temperature of 1300-1600°C for 6-10 hours; C: transferring the resulting product out for cooling, obtaining the vanadium nitride iron product when the temperature is below 120°C. A method for preparing vanadium nitride iron, which has a simple process, strong operability, energy-saving and consumption-reducing properties, requires less investment, and can significantly improve the production capacity of vanadium-nitrogen alloy products.

1.The oxygen bottom-blown converter smelting high vanadium pig iron has characteristics such as high vanadium oxidation rate, high recovery rate, smooth blowing process, no spraying, no adhesion, semi-steel meeting steelmaking requirements, high vanadium slag grade, high refractory life, and good overall indicators for blowing vanadium. It has paved the way for the 'vanadium-containing steel slag return to the blast furnace enrichment-pyrometallurgical ferro vanadium process' (referred to as the single slag return process), providing a brand new technological solution for pyrometallurgical vanadium extraction. The metallurgical laws of vanadium in an oxygen bottom-blown converter are based on the thermodynamics of the critical temperature for selective oxidation of vanadium and carbon, suggesting that estimating the critical temperature for selective oxidation of vanadium and carbon by the reaction product formula FeO·V_2O_3 is more suitable for blowing vanadium practice. Suitable blowing temperature regimes and cooling regimes were selected. The influence of kinetic conditions on vanadium removal and the effectiveness of carbon addition measures for carbon preservation while increasing vanadium slag quality were discussed.

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