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指出了循环流化床锅炉物料循环系统在运行中常见的结焦、分离器效率下降及回料阀烟气反窜等问题,分析了这些问题的结构原因和运行原因并提出防止措施。结合一起物料循环系统故障实例说明在运行中对回料阀正确操作的重要性。
The common problems of coking, separator efficiency and flue gas back channeling in the circulating fluidized bed boiler cycle are pointed out. The causes of the problems and the reasons for their operation are analyzed and the preventive measures are put forward. An example of a material circulation system fault is used to illustrate the importance of proper operation of the return valve during operation.