摘　要：为降低锅炉机械不完全燃烧损失,从锅炉运行优化的角度提出了飞灰含碳质量分数目标值的定义.采用基于趋势提取的检测方法对锅炉原始运行工况数据库进行稳态判定,依据外部约束条件将锅炉稳定运行工况进行分类,以锅炉效率为评价标准获得各工况类中的最优运行工况组成锅炉运行目标工况数据库.以当前工况的运行不可控因素作为当前事例,以锅炉运行目标工况数据库作为事例库,通过相似度计算获得当前工况所对应的飞灰含碳质量分数目标值.实际应用表明该方法计算精度高、实时性好,能够向运行人员实时提供当前工况的飞灰含碳质量分数目标值,为飞灰含碳质量分数的运行调整提供了依据.
关键词：飞灰含碳质量分数;锅炉;运行优化;事例推理
分类号：TK223.21　文献标识码：A
文章编号：1004-9649(2007)03-0028-04

Real-time target value determination for the unburned carbon mass fraction in fly ash based on case-based reasoning technology

HONG Jun　 WANG Lei　 SI Feng-qi　 XU Zhi-gao　

作者简介：洪军(1978-),男,江苏扬州人,博士研究生,从事火电机组运行优化与信息系统方面的研究.E-mail:hongjun_china@yahoo.com.cn
作者单位：洪军（东南大学,能源与环境学院,江苏,南京,210096）　
　　　　　 王雷（东南大学,能源与环境学院,江苏,南京,210096）　
　　　　　 司风琪（东南大学,能源与环境学院,江苏,南京,210096）　
　　　　　 徐治皋（东南大学,能源与环境学院,江苏,南京,210096）　

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