四氯化钛泥浆真空搅拌蒸发技术与应用

Development and application instances of vacuum stirring evaporation technology of titanium tetrachloride slurry

为实现泥浆中四氯化钛及有价金属的高效回收利用,进行了四氯化钛泥浆真空旋转蒸发试验,并设计了真空搅拌蒸发系统。利用余热蒸汽加热四氯化钛,螺杆真空泵组提供较高真空度,搅拌桨叶对泥浆进行搅拌,所得四氯化钛干粉含湿率低于1%,四氯化钛回收率达99%,有效解决了四氯化钛泥浆难处理及泥浆中有价金属难回收的问题。且该系统运行对环境友好,设备运行效率高,自动化程度高,适用于大规模的四氯化钛生产。

In order to realize the efficient recovery and utilization of titanium tetrachloride and valuable metals in the slurry, a vacuum rotary evaporation experiment and vacuum stirring evaporation system for titanium tetrachloride slurry were designed. This paper, used the waste heat steam to heat the titanium tetrachloride, the screw vacuum pump set provided a higher vacuum degree, and the stirring blade stirred the slurry. The moisture content of the obtained dry titanium tetrachloride powder was less than1%, and the recovery rate of titanium tetrachloride was 99%, effectively solving the complex treatment problems of titanium tetrachloride slurry and difficult recovery of valuable metals in the slurry. The system was environmentally friendly, with high operation efficiency and automation, and was suitable for large-scale titanium tetrachloride production.