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    • 5. 发明授权
    • Multistage system for conversion of lower olefins with reactor quenching
means
    • 用反应器淬火方法转化低级烯烃的多级体系
    • US4942021A
    • 1990-07-17
    • US137224
    • 1987-12-23
    • William E. GarwoodFrederick J. KrambeckJohn D. KushnerickSamuel A. Tabak
    • William E. GarwoodFrederick J. KrambeckJohn D. KushnerickSamuel A. Tabak
    • C07C2/12C07C11/02C10G50/00
    • C07C11/02C07C2/12C10G50/00
    • A continuous multistage catalytic conversion system for upgrading lower olefins comprisingfirst adaibatic catalytic bed reactor means containing an acidic zeolite solid catalyst;means for feeding light olefinic gas directly to the first reactor without addition of separate diluent or recycle streams;means for operating the first reactor under olefin partial conversion conditions at elevated temperature to control adiabatic temperature increase;interstage quench means for injecting a liquid coolant directly into first stage effluent for reducing the temperature thereof and protecting downstream catalyst;second catalytic bed reactor means for receiving cooled first stage effluent with injected liquid coolant and further converting the olefins over a metallic zeolite catalyst having a metal ethene oligomerization component;means for cooling and recovering heavier liquid hydrocarbon product from the second reactor effluent; andmeans for recovering liquid coolant from the second effluent for recycle to the interstage quench means.
    • 一种用于升级低级烯烃的连续多级催化转化系统,包括含有酸性沸石固体催化剂的第一辅助催化床反应器装置; 用于将轻质烯属气体直接供给到第一反应器而不加入单独的稀释剂或再循环流的装置; 用于在高温下在烯烃部分转化条件下操作第一反应器的装置,以控制绝热温度升高; 级间骤冷装置,用于将液体冷却剂直接注入第一级流出物中以降低其温度并保护下游催化剂​​; 第二催化床反应器装置,用于接收具有注入的液体冷却剂的冷却的第一级流出物,并进一步转化具有金属乙烯低聚组分的金属沸石催化剂的烯烃; 用于从第二反应器流出物冷却和回收较重液体烃产物的装置; 以及用于从第二流出物回收液体冷却剂以再循环到级间骤冷装置的装置。