探讨了搅拌桨型、挡板和气体分布器等结构因素及气体流量、颗粒质量分数等工艺因素对下沉颗粒三相体系临界搅拌转速的影响。
The influences of impeller types, baffle configurations and gas sparger on critical speed of floating particle in an agitated vessel were investigated.
搅拌釜式反应器中的浆液浓度、临界搅拌转速、淤浆悬浮高度和环管反应器中的浆液浓度等参数，既是反应器的设计、优化的重要依据，也是实际生产运行过程中的重要控制变量。
The slurry concentration, minimum agitation speed and slurry suspension height, as the basic parameters in the solid-liquid system, is very important to the design and optimization of the reactors.
搅拌轴的设计，必须进行强度、刚度和临界转速的校核，还要正确选择轴的公差配合，只有这样，才能保证轴既能正常运转，又能追求最低的加工成本。
Checking its strength, rigidity and critical speed, correct selecting its tolerance and fit are necessary in a mix axle's design, by which the axle's normal operation and least cost can be ensured.
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