Discussion on the Process Feasibility of Granulation for High-titanium Slag by Water Quenching
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摘要: 为了减少高钛渣的破碎次数, 降低高钛渣的破磨成本, 尝试将高炉渣水淬工艺应用于高钛渣的生产。对比高炉渣和高钛渣的物理特性, 并进行高钛渣水淬试验, 对该工艺存在的问题及可行性进行了探讨。通过对高钛渣氧化过程进行热力学理论计算, 分析了高钛渣水淬过程金红石化可能的原因。综合分析, 并不主张采用水淬工艺处理高钛渣。Abstract: In order to reduce the crush times and grinding cost of high titanium slag,an attempt was carried out to apply the water quenching process of blast furnace slag to the production of high titanium slag.The physical properties of the blast furnace slag and high titanium slag were contrasted and the water quenching tests of high titanium slag were conducted.The problems and feasibility of the process were also discussed.The possible reasons for the rutile transition of high titanium slag during water quenching were analyzed by thermodynamics calculations for the oxidation process of high titanium slag. Through comprehensive analysis,it is proposed that the high titanium slag cannot be treated by water quenching.
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Key words:
- high titanium slag /
- particle size /
- water quenching /
- phase analysis
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