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在我国首台油页岩循环流化床锅炉上进行了Ｕ型返料器调节特性的工业试验，研究了Ｕ型返料器的启动特性，流化风和松动风数量对Ｕ型返料器工作性能的影响，并且给出了保证返料系统稳定运行所需的流化风、松动风最小极限风量。讨论了Ｕ型返料器具有良好调节品质的流化风和松动风组合调节方式，其结果可用于指导油页岩循环流化床锅炉的运行，亦可供大型循环流化床锅炉运行调节借鉴。
In China’s first oil shale circulating fluidized bed boiler U-shaped back to adjust the characteristics of the pilot test of the U-type starter to start the study of characteristics, the number of fluidized air and loose wind on the U-type back to the feeder Work performance, and gives the fluidized wind and loose wind minimum limit air volume required to ensure the stable operation of the material return system. This paper discusses the combination of fluidizing wind and loose wind that U-shaped material feeder has good regulation quality. The result can be used to guide the operation of oil shale CFB boiler and also to adjust the operation of large-scale circulating fluidized bed boiler .