中文摘要：

在T型对撞反应器的基础上,对其结构进行改进,设计了旋流锥型对撞、T型旋撞和旋流锥型旋撞（二次旋转）3种撞击流反应器。用化学吸收法测量了这几种不同结构的微反应器在气液二相逆流接触条件下平均相界比表面积α及液相吸收传质系数kL;进而分析了反应器进口结构、尺寸和流体流量等条件对传质性能的影响。结果表明：旋撞比直撞的传质系数大,二次旋撞的比一次旋撞的传质系数要大;撞击区进口尺寸越小,气液流体的流量越大,反应器的传质系数越大;液相传质系数较常规气液接触设备的至少高1—2个数量级,其传质强化的原因主要源于微反应器内相界比表面积大幅度地增加。

英文摘要：

Vortex conoid impinging streams,T-shaped vortex streams and twice vortex streams reactors were designed based on the T-shaped impinging streams reactor.Their averaged gas-liquid interfacial specific surface area α and liquid mass transfer coefficient kL were experimentally measured by chemical absorption method when gas-liquid is contacting.The effects of the inlet configuration,size and fluid flux of the reactor on the mass transfer performance were discussed.The experimental results show that the liquid mass transfer coefficient of the vortex reactor is higher than that of impinging streams reactor,and the liquid mass transfer coefficient of the twice vortex reactor is higher than that of vortex reactor.The liquid mass transfer coefficient increases with the decrease of inlet size and the increase of fluid flux.The liquid side volumetric mass transfer coefficients are at least one or two orders of magnitude higher than that of the conventional gas-liquid contactors,thus the averaged gas-liquid interfacial specific surface area is greatly enhanced.