【摘要】 目前制备氮化钒（VN,别名：钒氮合金）的传统方法存在温度高、工艺复杂、品质不高、严重依赖焦煤资源等问题。针对这些不足，本文提出在甲烷–氮气（CH₄-N₂）混合气体中还原氮化三氧化二钒（V₂O₃）制备VN的方法，该方法具有反应温度低、氮含量高、不使用焦煤类固体还原剂等优点，从工艺上有利于实现节能降耗。研究表明在V（CH₄）:V（N₂）=1:2、反应温度为1 173 K、保温时间为1.5 h、混合气体流量为0.9 L·min^-1时，能制备出VN微粉，其V、N、C、O的含量分别为78.54、16.2、4.87、0.34 wt.%,达到国标VN16的要求，能用于高性能合金、耐磨涂层、陶瓷等高端领域。更多还原

【Abstract】 The traditional methods for preparing vanadium nitride（VN,also known as vanadium nitrogen alloy）currently face challenges such as high-temperature conditions, complex processes, suboptimal product quality, and heavy reliance on coking coal resources. To address these limitations, this study proposes a novel approach involving the reduction-nitridation of vanadium（Ⅲ）oxide（V₂O₃）in a methane-nitrogen（CH₄-N₂）mixed gas atmosphere. This innovative method demonstrates advantages including lowered reaction temperatures, enhanced nitrogen content, and complete elimination of solid reductants like coking coal, thereby achieving energy conservation and consumption reduction from a process optimization perspective. Studies indicate that under conditions of V（CH₄）:V（N₂）= 1:2,reaction temperature 1 173 K,holding time 1.5 h, and mixed gas flow rate 0.9 L·min^-1,VN micropowder can be synthesized. The resultant product exhibits elemental compositions of 78.54 wt% V,16.2 wt% N,4.87 wt% C,and 0.34 wt% O,which meets the requirements of the national standard VN16 and can be used in high-end fields such as high-performance alloys, wear-resistant coatings, and ceramics.更多还原