含氟酰基沉积物气化反应原料利用率提高工艺研究

Study on Technology of Improving Utilization Rate of Raw Material for Gasifcation Reaction of Fluoroacyl Sediment

为提高旋转圆筒内含氟酰基沉积物气化反应中三氟化溴(BrF_(3))的利用率,本文设计了静态反应极限实验、工作条件优化实验以及多级回收复用工艺实验。静态反应极限实验证明BrF_(3)与沉积物之间可完全反应,且气化反应速率与BrF_(3)压强呈正比关系,沉积物与BrF_(3)之间化学反应动力学方程的反应级数大于1;改变旋转圆筒压强条件,增大了BrF_(3)滞留质量和圆筒温度,BrF_(3)一次利用率由3.75%提高至9.20%;采用多级回收复用工艺流程,BrF_(3)综合利用率提高至78.57%,大幅提升了气化技术的工业应用经济性。

In order to improve the utilization rate of bromine trifluoride(BrF_(3))in the gasification reaction of fluoroacyl sediment in the rotating cylinder,the static limit reaction experiment,working condition optimization experiment and multi-stage recycling process experiment were carried out.The results of static limit experiments show that BrF_(3)can completely react with the sediment,and the chemical reaction rate is proportional to the pressure of BrF_(3),and the reaction order of the chemical reaction kinetic equation between the sediment and BrF_(3)is greater than 1.By improving the working conditions of the rotating cylinder,the stagnation mass and cylinder temperature of BrF_(3)can increase,and the utilization rate of BrF_(3)can be improved.Through the optimization of working conditions,the primary utilization rate of BrF_(3)increases from 3.75%to 9.20%.By adopting the multi-stage recycling process,the utilization rate of BrF_(3)increases to 78.57%,and the industrial application economy is greatly improved after using gasification reaction technology.