氮化钒制备技术现状

Preparation technology status of vanadium nitride

氮化钒作为一种炼钢添加剂,能显著提高钢的综合力学性能。重点探讨氮化钒制备的生产工艺以及生产过程的关键技术,详细对比介绍了两步法、钒酸铵还原氮化法、V2O3直接氮化法和其他先进生产工艺的优缺点及发展前景,重点对氮化钒生产的关键技术进行研究和分析。认为应开发高效环保的VN制备工艺,N2将成为其制备工艺中主流氮源,同时要实现V2O3真空碳热还原的工业化生产。

Vanadium nitride as a steel- making additive can improve the comprehensive mechanical properties of steel. The production process of vanadium nitride and the key technology of the production process are discussed. The advantages and disadvantages and development prospects of two-step method,ammonium vanadate reduction nitridation method,V2O3 direct nitridation method,and other advanced production technology are introduced in details. The key production technologies of vanadium nitride are analyzed. Developing efficient and environment- friendly VN preparation process,using N2 as the mainstream nitrogen source of technology,and achieving the industrial production of V2O3 vacuum carbon thermal reduction will be the trend for V2O3 production.