管式加热炉对流受热面的吹灰优化研究

Research on Sootblowing Optimization for Convective Heating Surface of Tubular - Furnace

关键词:  管式加热炉  吹灰优化  积灰监测模型  洁净因子

Key words:  tubular-furnace,sootblowing optimization,ash deposition monitoring model,clearing factors

摘要:

在管式加热炉对流受热面实际传热系数和理想传热系数的基础上，推导出了洁净因子的计算模型，再根据蒸汽吹灰器消耗蒸汽能量损失、积灰能量损失和加热炉系统能量损失之和最小的原则，确定了最优吹灰时间间隔。由于计算公式中的参数都可以通过加热炉的DCS和DAS系统现场监测获取，因此，对于管式加热炉、锅炉、空气预热器等的对流受热面的优化吹灰的实现具有很好的参考价值．

Abstract:

The sootblowing optimization for convective heating surface of tubular-furnace is investigated in this paper.On the basis of practical heat-transfer coefficient and ideal heat-transfer coefficient of convective heating surface in tubular-furnace,the calcu