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简单介绍了气固固三相反应设备的研究现状，描述了气固固循环流化反应器的操作特点，实验研究了气固固循环流化反应器的流体力学行为，如气固两相通过填料层的压降、细颗粒的固含率及细颗粒的质量流率等．
The research status of gas-solid three-phase reaction equipment is briefly introduced. The operational characteristics of gas-solid circulating fluidized reactor are described. The fluid mechanics behavior of gas-solid circulating fluidized reactor is experimentally studied. For example, The pressure drop of the packing layer, the solid content of the fine particles and the mass flow rate of the fine particles.