The research methods of gas-solid contacting efficiency in a circulating fluidized bed reactor were summarized,including thermal pulse method,one-dimensional modeling method,staining method,carbon dioxide tracer method and catalytic ozone decomposition method.Meanwhile,the advantages and limitations for each method were analyzed in terms of experimental principle and measurement method.Finally,it was pointed out that establishing proper mathematical model for understanding of gas-solid contacting behavior was still the research frontier of circulating fluidization.%概述了循环流化床反应器气固接触效率的研究方法,主要包括热脉冲法、一维模型法、染色法、CO2气体示踪法及O3催化分解法.从实验原理和测定方法人手,分析了气-固两相接触效率研究的优势及局限性,指出了建立合适的描述气-固两相接触行为模型仍然是循环流态化领域的研究热点.
展开▼
