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介绍了高温常压条件下向连续式推板烧结窑炉内通入氮气的钒氮合金生产工艺,描述了造成生产中窑体堵塞的炉壁上化合物沉积的现象。对沉积的化合物进行了光谱分析,得出了组成成分。结合原料磨粉工艺以及炉膛中压力分布特性、气流运动情况等因素,研究了沉积化合物物理学形成机理,并提出了防止产生化合物沉积的几种改进对策及技术措施。实践表明:改进后的推板窑有效解决了化合物的快速沉积问题,提高了设备可靠性。
This paper introduces the production technology of vanadium-nitrogen alloy introduced into the continuous push-plate sintering kiln under high temperature and pressure conditions, and describes the deposition of compounds on the furnace wall which block the kiln body in production. Spectral analysis of the deposited compounds gave the composition. Combining with the raw material milling process, the pressure distribution in the hearth and the airflow movement, the formation mechanism of sedimentary compounds physics was studied and several improved countermeasures and technical measures to prevent the compound deposition were proposed. The practice shows that the improved pusher kiln can effectively solve the problem of rapid deposition of compounds and improve the reliability of the equipment.