蓄热稳燃器对四角切圆锅炉内流动及传热的影响  

Influences of Regenerative Stability Burner on Flow and Heat Transfer in Tangential Firing Boiler

作　　者：贾冯睿[1,2] 王雷[1] 韩长明[1] 姚尧[1] 刘金彪[3] 董辉[2] 

机构地区：[1]辽宁石油化工大学石油化工学院,辽宁抚顺113001 [2]东北大学国家环境保护生态工业重点实验室,辽宁沈阳110819 [3]武汉钢铁集团鄂城钢铁有限责任公司,湖北鄂州436002

出　　处：《工业炉》2013年第4期12-14,共3页Industrial Furnace

基　　金：辽宁省科技计划资助项目(2011229004);沈阳市科技计划资助项目(F11-264-1-05)

摘　　要：建立了三维、稳态四角切圆锅炉内气流流动、传热的耦合数学模型,求得了炉内气流分布的速度场以及温度场,探讨了蓄热稳燃器的布置对炉内流动及传热的影响。研究结果表明,蓄热稳燃器的布置使火焰形成了一个环形切圆,增强了气流的扰动,进而强化了气流与水冷壁的对流换热过程;在稳定燃烧的情况下,蓄热稳燃器可作为稳定的热源,增强了辐射换热效果。研究结果可为改进锅炉设计和实际生产提供一定的理论指导。A coupling mathematical model for three-dimensional and steady state flow and heat transfer process in a tangential firing boiler was established, and the influence of the arrangement of the regenerative stability burner on the flow and temperature fields in the boiler was discussed. The results show that the regenerative stability burner forms the fire to a circular tangential, which enhances the flow disturbance, and then strengthens the convective heat transfer process between the flow and the water wall. Under the stable combustion condition, the regenerative stability burner could be used as the stable heat source, and enhances the radiation heat transfer effect. The research results could be used to improve boiler design and provide certain theoretical guidance for the actual production.

关 键 词：蓄热稳燃器 四角切圆锅炉 速度场 温度场 数值模拟 

分 类 号：TK223[动力工程及工程热物理—动力机械及工程]