Comparative Study on Low-temperature Reduction and Powdered Properties of Vanadium Titanium Sinter and Ordinary Sinter
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摘要: 试验研究分析了钒钛烧结矿与普通烧结矿的低温还原粉化性, 结果表明:普通烧结矿在500℃低温还原粉化性最差, 粉化指数达83.80%;钒钛烧结矿在700℃时低温还原粉化指数达到最低值41.94%, 低温还原粉化性能最差;普通烧结矿低温还原粉化指数是钒钛烧结矿的2倍, 钒钛烧结矿低温还原粉化性很差;调整钒钛烧结矿化学成分组成, 使MgO含量提高到5%左右, 以及喷洒氯化物稀溶液时都可以改善钒钛烧结矿低温还原粉化性。Abstract: The experimental results show that the pulverization of vanadium and titanium sintered ore and ordinary sintered ore at low temperature is analyzed. The results show that ordinary sinter At 500 ℃,the pulverization rate was 83.80%. Vanadium and titanium sintered ore at 700 ℃ low temperature reduction pulverization reached a minimum value of 41.94%,the lowest temperature reduction powder performance.The low-temperature reduction and pulverization index RDI+3.15 of vanadium-titanium sintered ore is less than half of the ordinary sintered ore,and the low-temperature reduction pulverization performance of vanadium-titanium sintered ore is worse than that of ordinary sinter. Adjust the composition of the chemical composition of vanadium titanium sinter,so that the MgO content can be increased to about 5%,as well as spray chloride dilute solution to improve the low temperature of vanadium titanium sinter.
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