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    • 6. 发明授权
    • Method and apparatus for controlling the bed temperature in a
circulating fluidized bed reactor
    • 控制循环流化床反应器床层温度的方法和装置
    • US5363812A
    • 1994-11-15
    • US198694
    • 1994-02-18
    • Felix BelinKiplin C. AlexanderDavid E. James
    • Felix BelinKiplin C. AlexanderDavid E. James
    • F22D1/00B01J8/32F22B31/00F23C10/24F22B1/00
    • F22B31/0084
    • Bed temperature in a circulating fluidized bed (CFB) reactor is controlled by varying a recirculation rate of particles collected by a secondary particle separator back to the CFB reactor. Particle storage means, sized to contain sufficient inventory required for bed inventory/temperature control due to fuel/sorbent variations and/or load changes, stores particles collected by the secondary particle separator. The storage means can be either directly below the secondary particle separator or at a remote location. Particles collected by the secondary particle separator rather than by the primary particle separator are preferred due to their smaller size and lower temperature. A bed temperature control system controls the recirculation rate of these particles back to the reactor. Level sensing devices are provided on the storage means. A solids storage level control system that interacts with the bed temperature control system controls the solids inventory in the storage means via a purge system.
    • 循环流化床(CFB)反应器中的床温度通过将由二次粒子分离器收集的颗粒的再循环速率改变回CFB反应器来控制。 颗粒储存装置,其尺寸适于包含由于燃料/吸附剂变化和/或负荷变化而导致的床库存/温度控制所需的足够的库存,存储由次级颗粒分离器收集的颗粒。 存储装置可以直接在次级颗粒分离器下面或在远程位置。 由二次粒子分离器而不是一次粒子分离器收集的颗粒由于其较小的尺寸和较低的温度而优选。 床温控制系统将这些颗粒的再循环速率控制回反应器。 液位传感装置设置在存储装置上。 与床温控制系统相互作用的固体储存液位控制系统通过吹扫系统控制储存装置中的固体物料清单。