Production of vanadium nitrogenalloy by direct heating rotary kiln method research on the proportion of returned materials added
Through the pilot scale experimen of vanadium pentoxide with direct heating rotary kiln method,the rela-tionship between process parameters such as the addition ratio,temperature,and residence time of vanadium nitro-gen alloy recovery material and the quality of vanadium nitrogen alloy products was studied.The results showed that the maximum addition ratio of vanadium nitrogen alloy recovery material was 5%,the roasting temperature was 1450～1600℃,and the residence time was 18～22 hours,which can prepare better performance VN16.
vanadium nitrogen alloydirect heating rotary kilnreturn material addition ratioprocess parameters
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