Two-stage rapid roasting method and system for molecular sieve containing active metal

The invention discloses an active metal-containing molecular sieve two-stage rapid roasting method and system, active metal-containing molecular sieve raw powder and hot air respectively enter a roasting furnace for two-stage roasting, the volume fraction of oxygen in the hot air during first-stage roasting is 0-10%, and the volume fraction of oxygen in the hot air during second-stage roasting is 10-25%; and the roasted gas-solid mixture enters a gas-solid separation unit to be separated, and the separated solid is a roasted product. Local high temperature is avoided, the temperature field is uniform, and the roasted product is good in quality and stable in performance. 本发明公开了一种含活性金属的分子筛两段快速焙烧方法及系统，将含活性金属的分子筛原粉与热风分别进入焙烧炉进行两段焙烧，第一段焙烧时热风中氧气的体积分数为0～10％，第二段焙烧时热风中氧气的体积分数为10～25％，焙烧后气固混合物进入气固分离单元进行分离，分离出的固体为焙烧产物。本发明中无局部高温、温度场均匀，焙烧后的产品质量好，性能稳定。