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    A MODEL FOR CALCULATING THE OPERATING LINEAR VELOCITY AND TRANSPORTATION DEPOSIT HEIGHT IN FCC REGENERATOR AND ITS APPLICATION
    催化裂化再生器操作线速和输送沉降高度软测量模型及其应用
    Nowadays with the rapid development of network scale and performance, Internet branch network capacity is increasing, new service is appearing one after another. Fast and intelligent network equipment is indeed needed.
    随着当今网络规模和性能迅速增长,Internet主干网络流量的指数性增长,新业务接连出现,这就要求网络设备具有线速和智能的处理能力。
    The height computation model of fluidize-bed showed that the bed height is mainly influenced by catalyst filling amount, linear speed of reaction gas and particle size of catalyst.
    流化床高度计算模型表明,床层高度主要受催化剂装填量、反应气体线速和催化剂粒度的影响。
    The increasing of network scale and performance requires that the network devices of now and future can work at line-speed and intelligently as well as high flexibility.
    网络规模和性能的迅速增长,要求当前和未来的网络设备具备线速和智能处理能力的同时,又需要高灵活性。
    Increasing the vaporization of catalytic feed, improving flow status of catalyst, and keeping catalyst in a fit feeding velocity and a certine density are the key measures for inhibiting or reducing of coking on feed nozzles in riser.
    抑制或减少提升管进料喷嘴上方区域结焦的关键在于提高催化裂化进料的汽化率和改善催化剂的流动状况 ,保证催化剂有合适的预提升线速和密度。
    Using oxygen tracing method, experiments of mass transfer between gas and solid phase were carried out systemically in general fluidized bed stripper and disk-donut stripper of f 486×8000mm plexiglass fluidized bed, and the axial concentration distribution of oil gas in these two kinds of strippers at different stripping gas velocities and catalyst fluxes were obtained.
    采用氧气示踪的方法在f 486×8000mm的有机玻璃床内对普通流化床汽提器和盘环形挡板汽提器进行了系统的气固相传质冷态模拟实验,得出了不同汽提线速和催化剂质量流率下上述两种催化剂汽提器内油气浓度轴向分布的变化规律。
 

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