基于响应面法的油田蓄热式加热炉燃烧器优化设计
发布时间：2018-08-18 12:28
【摘要】：为提高水套加热炉热效率,降低污染物排放浓度,设计适用于油田水套加热炉的蓄热式燃烧器,并确定最优结构参数。基于响应面法采用三因素五水平的中心复合试验设计和岭嵴分析方法,通过数值模拟分析加热炉燃烧器燃料气喷口与二次空气喷口之间相对高度、二者之间径向距离和二次空气大直径喷口间夹角三因素对辐射管内NO浓度的影响机制,确定燃烧器最优结构参数。结果表明:二次空气大直径喷口间夹角的变化对响应值的影响最为显著,较小的夹角能够获得更均匀的温度分布和更低的NO排放浓度(体积分数);采用优化后燃烧器的加热炉NO浓度明显降低,理论热效率也有一定提高。数值模拟结果与建立的响应函数模型预测值基本一致,采用响应面法优化水套加热炉蓄热式燃烧器结构的方法是可行的。
[Abstract]:In order to improve the thermal efficiency of the water jacket furnace and reduce the pollutant emission concentration, the regenerative burner suitable for the oilfield water jacket furnace was designed and the optimum structure parameters were determined. Based on the response surface method, three factors and five levels of central composite test design and ridge analysis method were used to analyze the relative height between fuel gas nozzle and secondary air nozzle of furnace burner by numerical simulation. The influence mechanism of the radial distance between the two factors and the angle between the large diameter nozzle of the secondary air on the concentration of no in the radiation pipe is discussed. The optimum structure parameters of the burner are determined. The results show that the change of angle between large diameter nozzle of secondary air has the most significant effect on the response value. The smaller the angle is, the more uniform temperature distribution and the lower no emission concentration (volume fraction) can be obtained. The numerical simulation results are in good agreement with the predicted values of the response function model. It is feasible to optimize the structure of regenerative burners in water jacket furnace by using response surface method.
【作者单位】： 中国石油大学机械与储运工程学院;华东理工大学化学工程联合国家重点实验室;中国石化胜利油田技术检测中心;
【分类号】：TE977
本文编号：2189472
[Abstract]:In order to improve the thermal efficiency of the water jacket furnace and reduce the pollutant emission concentration, the regenerative burner suitable for the oilfield water jacket furnace was designed and the optimum structure parameters were determined. Based on the response surface method, three factors and five levels of central composite test design and ridge analysis method were used to analyze the relative height between fuel gas nozzle and secondary air nozzle of furnace burner by numerical simulation. The influence mechanism of the radial distance between the two factors and the angle between the large diameter nozzle of the secondary air on the concentration of no in the radiation pipe is discussed. The optimum structure parameters of the burner are determined. The results show that the change of angle between large diameter nozzle of secondary air has the most significant effect on the response value. The smaller the angle is, the more uniform temperature distribution and the lower no emission concentration (volume fraction) can be obtained. The numerical simulation results are in good agreement with the predicted values of the response function model. It is feasible to optimize the structure of regenerative burners in water jacket furnace by using response surface method.
【作者单位】： 中国石油大学机械与储运工程学院;华东理工大学化学工程联合国家重点实验室;中国石化胜利油田技术检测中心;
【分类号】：TE977
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